diff --git a/README.md b/README.md
index 8b10e6960..6864725ce 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
-# odex25-standard-moduless
+# odex25-standard-modules
 This Repo contains general standard modules for all projects.
diff --git a/odex25_maintenance/maintenance_custom/__init__.py b/odex25_maintenance/maintenance_custom/__init__.py
new file mode 100644
index 000000000..6130d984c
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/__init__.py
@@ -0,0 +1,4 @@
+from . import models
+from . import wizard
+from . import reports
+from . import controllers
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/__manifest__.py b/odex25_maintenance/maintenance_custom/__manifest__.py
new file mode 100644
index 000000000..f2c115b82
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/__manifest__.py
@@ -0,0 +1,31 @@
+{
+    'name':'Maintenance Custom ',
+    'version':'1.0',
+    'summary':'Maintenance Custom system',
+    'sequence': 1,
+    'description':
+    """
+    """,
+    'depends':['sale','purchase_requisition_custom', 'maintenance','hr_maintenance'],
+    'data':[
+            'security/ir.model.access.csv',
+            'data/ir_sequences_data.xml',
+            'security/groups.xml',
+            'views/maintenance_view.xml',
+            'views/maintenance_asset.xml',
+            'views/maintenance_checklist.xml',
+            'views/menu_security_cus.xml',
+            'wizard/maintenance_report_wiz_view.xml',
+            'reports/equipment_report.xml',
+            'reports/spare_part_report.xml',
+            'reports/general_maintenance_report.xml',
+            'reports/report_maintenance_request.xml',
+            'reports/maintenance_report.xml',
+            'reports/maintenance_team_report.xml',
+    ],
+    'qweb': ['static/src/xml/*.xml'],
+    'installable':
+    True,
+    'application':
+    True,
+}
diff --git a/odex25_maintenance/maintenance_custom/controllers/__init__.py b/odex25_maintenance/maintenance_custom/controllers/__init__.py
new file mode 100644
index 000000000..6b4f72345
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/controllers/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import service
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/controllers/service.py b/odex25_maintenance/maintenance_custom/controllers/service.py
new file mode 100644
index 000000000..f475420b9
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/controllers/service.py
@@ -0,0 +1,170 @@
+from odoo import http
+from odoo.http import request
+from odoo.exceptions import ValidationError
+from passlib.context import CryptContext
+import json
+import xmlrpc.client
+
+url = 'http://localhost:8069'
+db = 'laundry'
+#db = 'test13'
+
+models = {
+    'product' : {
+        'model' : 'product.product', 'field' : ['lst_price', 'name',]
+    },
+}
+
+class Service(http.Controller):
+
+    @http.route('/hello', auth='public')
+    def hello(self):
+        return '<h1>Hello Optimum !!</h1>'
+
+    @http.route('/user/create', auth='public')
+    def user_create(self):
+        user_data = dict(
+            name=request.params.get('name'),
+            login=request.params.get('login'),
+            password=request.params.get('password'),
+            #odoobot_state='not_initialized'
+        )
+        user_model = request.env['res.users']
+        search_res = user_model.sudo().search([('login','=',user_data['login'])])
+        if not search_res :
+            obj = user_model.sudo().create(user_data)
+            res = {
+                    'code' : 1,
+                    'message' : 'A new User Created Successfully',
+                    'result' : {
+                        'user_id' : obj.id ,
+                    }
+            }
+        else :
+            res = {
+                    'code' : -1,
+                    'message' : 'Login name is exist',
+            }
+        return json.dumps(res)
+
+
+    @http.route('/user/check', auth='public')
+    def check_user(self):
+        username = request.params.get('login')
+        password =  request.params.get('password')
+        common = xmlrpc.client.ServerProxy('{}/xmlrpc/2/common'.format(url))
+        uid = common.authenticate(db, username, password, {})
+        if uid : 
+            res = {
+                    'code' : 2,
+                    'message' : 'Login Sucessfuly',
+                    'result' : {
+                        'user_id' : uid ,
+                    }
+            }
+        else:
+            res = {
+                    'code' : -2,
+                    'message' : 'Wrong Login/Password',
+                    'result' : {
+                        #'user_id' : obj.id ,
+                    }
+            }       
+        return json.dumps(res)
+
+
+    @http.route('/product/all', auth='public')
+    def all_product(self):
+        product_model = request.env['product.template']
+        res = product_model.sudo().search_read([],['name'])
+        if res :
+            result = {
+                'code' : 3,
+                'message' : 'Request Done',
+                'result' : res
+            }
+        else :
+            result = {
+                'code' : -3,
+                'message' : 'No products',
+                'result' : []
+            }
+        return json.dumps(result)
+
+
+    @http.route('/product/get', auth='public')
+    def get_product(self):
+        product_id = request.params.get('product_id')
+        product_model = request.env['product.template']
+        res = product_model.sudo().search_read([('id', '=' , product_id)],['lst_price', 'name'])
+        result = {}
+        if res :
+            result['code'] = 4
+            result['message'] = 'Request Done'
+        else :
+            result['code'] = 4
+            result['message'] = 'No product'
+        result['result'] = res 
+        return json.dumps(result)
+
+    
+    @http.route('/variant/all', auth='public')
+    def all_vars(self):
+        product_model = request.env['product.attribute.value']
+        res = product_model.sudo().search_read([],['name'])
+        if res :
+            result = {
+                'code' : 4,
+                'message' : 'Request Done',
+                'result' : res
+            }
+        else :
+            result = {
+                'code' : -4,
+                'message' : 'No Records',
+                'result' : []
+            }
+        return json.dumps(result)
+
+    
+    @http.route('/product_var/all', auth='public')
+    def all_product_var(self):
+        product_model = request.env['product.template.attribute.value']
+        res = product_model.sudo().search_read([],['price_extra', 'product_tmpl_id', 'product_attribute_value_id'])
+        if res :
+            result = {
+                'code' : 4,
+                'message' : 'Request Done',
+                'result' : res
+            }
+        else :
+            result = {
+                'code' : -4,
+                'message' : 'No Records',
+                'result' : []
+            }
+        return json.dumps(result)
+
+
+    @http.route('/product_var/get', auth='public')
+    def get_product_var(self):
+        cond = []
+        product_tmpl_id = request.params.get('product_id')
+        product_attribute_value_id = request.params.get('var_id')
+        product_model = request.env['product.template.attribute.value']
+        if product_tmpl_id : cond += [('product_tmpl_id', '=' ,int(product_tmpl_id) )]
+        if product_attribute_value_id : cond += [('product_attribute_value_id', '=' ,int(product_attribute_value_id) )]
+        res = product_model.sudo().search_read(cond,['price_extra', 'product_tmpl_id', 'product_attribute_value_id'])
+        if res :
+            result = {
+                'code' : 4,
+                'message' : 'Request Done',
+                'result' : res
+            }
+        else :
+            result = {
+                'code' : -4,
+                'message' : 'No Records',
+                'result' : []
+            }
+        return json.dumps(result)
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/data/ir_sequences_data.xml b/odex25_maintenance/maintenance_custom/data/ir_sequences_data.xml
new file mode 100644
index 000000000..063b92972
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/data/ir_sequences_data.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="0">
+
+        <!-- Sequences for maintenance request -->
+        <record id="seq_maintenance_request" model="ir.sequence">
+            <field name="name">Maintenance Request</field>
+            <field name="code">maintenance.request</field>
+            <field name="prefix">M</field>
+            <field name="padding">5</field>
+            <field name="company_id" eval="False"/>
+        </record>
+
+        <record id="maintenance_summary" model="maintenance.summary">
+            <field name="name">Maintenance Summary</field>
+            <field name="order_chart">Maintenance Order</field>
+            <field name="priority_chart">Orders Priority</field>
+            <field name="planned_chart">Planned Maintenacne</field>
+        </record>
+
+    </data>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/i18n/ar_001.po b/odex25_maintenance/maintenance_custom/i18n/ar_001.po
new file mode 100644
index 000000000..8c59718a2
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/i18n/ar_001.po
@@ -0,0 +1,1758 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* maintenance_custom
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 14.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-01-21 09:15+0000\n"
+"PO-Revision-Date: 2024-01-21 09:15+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "<br/>REPAIR COST<br/>"
+msgstr "تكلفة الإصلاح"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "<br/>TOTAL LOSSES <br/>"
+msgstr "إجمالي الخسائر"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "<br/>TOTAL STAFF<br/>"
+msgstr "مجموع الموظفين"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "<span class=\"badge badge-warning float-right\">Canceled</span>"
+msgstr "ألغيت"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "<span class=\"ml8\">hours</span>"
+msgstr "ساعات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "ASSIGN STAFF"
+msgstr "تعيين الموظفين"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__acquisition_date
+msgid "Acquisition Date"
+msgstr "تاريخ الاستحواذ"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__active
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__active
+msgid "Active"
+msgstr "نشيط"
+
+#. module: maintenance_custom
+#: model_terms:ir.actions.act_window,help:maintenance_custom.hr_equipment_order_action
+msgid "Add a new maintenance request"
+msgstr "إضافة طلب صيانة جديد"
+
+#. module: maintenance_custom
+#: model_terms:ir.actions.act_window,help:maintenance_custom.maintenance_summary_dashboard_action
+msgid "Add a new record in the Equipment Category"
+msgstr "أضف رقمًا قياسيًا جديدًا في فئة المعدات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Administrator"
+msgstr "مدير"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__account_id
+msgid "Analytic Account"
+msgstr "الحساب التحليلي"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__asset_id
+msgid "Asset"
+msgstr "الاصــــول"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipment_job__period_type__hour
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipments_jobs__period_type__hour
+msgid "By Hour"
+msgstr "بالساعة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "CATEGORY"
+msgstr "فئة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "CLOSED ORDERS"
+msgstr "أوامر مغلقة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "CLOSED TASKS"
+msgstr "المهام المغلقة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "CONSUMPTION"
+msgstr "استهلاك"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "CORRECTION ACTION"
+msgstr "إجراء التصحيح"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "COST"
+msgstr "يكلف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_stage__stage_type__cancel
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Cancel"
+msgstr "إلغــاء"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Category"
+msgstr "فئة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__checklist_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__checklist_lines
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_request_form_checklist
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Checklist"
+msgstr "الخـــامــات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_request_form_checklist
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Checklist For Inspection"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_close
+msgid "Closed"
+msgstr "مغلق"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__is_done
+msgid "Complete ?"
+msgstr "مكتمل ؟"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__done_time
+msgid "Complete Time"
+msgstr "الوقت الكامل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_stage__stage_type__confirm
+msgid "Confirm"
+msgstr "طلــب صيــانة"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/wizard/maintenance_report_wiz.py:0
+#, python-format
+msgid "Connot Find any Request/Order ."
+msgstr "لا يمكن العثور على أي طلب / طلب."
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Corrective Maintenance"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__cost
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Cost"
+msgstr "يكلف"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_view_form_inherit
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipments_jobs_view_form
+msgid "Create Jobs"
+msgstr "خلق فرص عمل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Create Purchase Request"
+msgstr "انشــاء أمـر شـــراء"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__create_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__create_uid
+msgid "Created by"
+msgstr "انشأ من قبل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__create_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__create_date
+msgid "Created on"
+msgstr "تم إنشاؤها على"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "DATE"
+msgstr "تاريخ"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "DATE/TIME"
+msgstr "التاريخ / الوقت"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "DEPARMENT"
+msgstr "الادارة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "DOWNTIME"
+msgstr "العطل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "DOWNTIME AND LOSSES"
+msgstr " العطل والخسائر"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipment_job__period_type__day
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipments_jobs__period_type__day
+msgid "Daily"
+msgstr "يوميًا"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Date From"
+msgstr "التاريخ من"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Date To"
+msgstr "التاريخ ل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,help:maintenance_custom.field_maintenance_request__request_date
+msgid "Date requested for the maintenance to happen"
+msgstr "تاريخ إجراء الصيانة المطلوب"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__name
+msgid "Decription"
+msgstr "الوصف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,help:maintenance_custom.field_matrial_line__uom_id
+msgid "Default unit of measure used for all stock operations."
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__department_ids
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__department_id
+msgid "Department"
+msgstr "الادارة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "Departments"
+msgstr "الإدارات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__description
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__name
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Description"
+msgstr "وصف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__name
+msgid "Descrption"
+msgstr "الوصف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_template__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_purchase_request__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_equipment_report__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_general_maintenance_report__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_maintenance_team_report__display_name
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_spare_part_report__display_name
+msgid "Display Name"
+msgstr "الاسم المعروض"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Done"
+msgstr "تـم الاصــلاح"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__down_time
+msgid "Down Time"
+msgstr "وقت التعطل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Down-Time"
+msgstr "وقت التعطل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_summary_kanban
+msgid "Downtime"
+msgstr "التوقف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_stage__stage_type__draft
+msgid "Draft"
+msgstr "مسودة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__duration
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Duration"
+msgstr ""
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "EQUIPMENT"
+msgstr "معدات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "EQUIPMENT CONDITION"
+msgstr "حالة المعدات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Email cc"
+msgstr " نسخةالبريد الإلكتروني "
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__employee_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__employee_id
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Employee"
+msgstr "الموظف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__user_ids
+msgid "Engineers"
+msgstr "المهندسين"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__out_entity_id
+msgid "Entity"
+msgstr "كيان"
+
+#. module: maintenance_custom
+#: model:ir.actions.report,name:maintenance_custom.action_equipment_report
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__equipment_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__equipment_ids
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__report_type__equipment
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Equipment"
+msgstr "معدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__category_ids
+msgid "Equipment Category"
+msgstr "فئة المعدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__entry_source__job
+msgid "Equipment Job"
+msgstr "وظيفة المعدات"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.equipments_locations_action
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipments_locations_view_tree
+msgid "Equipment Locations"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.action_equipment_report_wiz
+#: model:ir.ui.menu,name:maintenance_custom.equipment_report_menu
+msgid "Equipment Reports"
+msgstr "تقارير المعدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__equipment_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__equipments_id
+msgid "Equipments"
+msgstr "المعدات"
+
+#. module: maintenance_custom
+#: model:ir.ui.menu,name:maintenance_custom.equipments_locations_menu
+msgid "Equipments Locations"
+msgstr "مواقع المعدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__estimated_time
+msgid "Estimated Duration"
+msgstr "المدة المقدرة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__time
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Executing Time"
+msgstr "وقت التنفيذ"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "FAILED COMPONANT"
+msgstr "تعطل المركب"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "FAILURE"
+msgstr "فشل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "FAILURE CAUSE"
+msgstr "سبب الفشل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "FAILURE TYPE"
+msgstr "نوع العطل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__failure_desc
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Failure Description"
+msgstr "وصف العطل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__failure_cause_id
+msgid "Failure Root Cause"
+msgstr "السبب الرئيسي للعطل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__failure_ids
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__failure_id
+msgid "Failure Type"
+msgstr "نوع العطل"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.maintenance_failure_action
+#: model:ir.ui.menu,name:maintenance_custom.menu_failure_types
+msgid "Failure Types"
+msgstr "أنواع الفشل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Failure report"
+msgstr "تقرير الفشل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Failure root cause"
+msgstr "السبب الرئيسي للعطل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_failure_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_failure_view_tree
+msgid "Fiulre Types"
+msgstr "أنواع الفشل"
+
+#. module: maintenance_custom
+#: model_terms:ir.actions.act_window,help:maintenance_custom.hr_equipment_order_action
+msgid ""
+"Follow the process of the request and communicate with the collaborator."
+msgstr "تابع عملية الطلب وتواصل مع المتعاون."
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__time_from
+msgid "From"
+msgstr "من"
+
+#. module: maintenance_custom
+#: model:ir.actions.report,name:maintenance_custom.action_general_maintenance_report
+msgid "General Maintenance"
+msgstr "صيانة عامة"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.action_maintenance_report_wiz
+msgid "General Maintenance Reports"
+msgstr "تقارير الصيانة العامة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__report_type__general
+msgid "General Report"
+msgstr "تقرير عام"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "HIGH PRIORITY"
+msgstr "ذا أهيمة عليا"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "HOW FAILURE WAS DETECTED"
+msgstr "كيف تم اكتشاف الفشل"
+
+#. module: maintenance_custom
+#. openerp-web
+#: code:addons/maintenance_custom/static/src/xml/report_template.xml:0
+#, python-format
+msgid "Hello"
+msgstr "مرحبًا"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_high
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__priority__3
+msgid "High"
+msgstr "مرتفع"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_summary_kanban
+msgid "Hour(s)"
+msgstr "ساعات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_template__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_purchase_request__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_equipment_report__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_general_maintenance_report__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_maintenance_team_report__id
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_spare_part_report__id
+msgid "ID"
+msgstr "المُعرف"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__machine_status__in_service
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__machine_status__in_service
+msgid "In Service"
+msgstr "في الخدمة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_checklist_line
+msgid "Inspection Checklist For Maintenance Lines"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__attachment
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__attachment
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__attachment
+msgid "Instruction Document"
+msgstr "وثيقة التعليمات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__team_type__in
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__team_type__in
+msgid "Internal Team"
+msgstr "فريق داخلي"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__product_id
+msgid "Item"
+msgstr "المنتج"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "Item Quantity MUST be at Least ONE!"
+msgstr "عفوا الكمية يجب ان تكون علي الأقل تساوي كمية واحدة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__product_category_ids
+msgid "Items Categories"
+msgstr "فئات المنتجات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "JOB NO"
+msgstr "وظيفة رقم"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment__job_ids
+msgid "Job"
+msgstr "وظيفة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment__job_ids_for_equipments
+msgid "Job Ids For Equipments"
+msgstr ""
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "LOSSES"
+msgstr "خسائر"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "LOSSES OF PRODUCTION"
+msgstr "فقدان الإنتاج"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_template____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_purchase_request____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_equipment_report____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_general_maintenance_report____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_maintenance_team_report____last_update
+#: model:ir.model.fields,field_description:maintenance_custom.field_report_maintenance_custom_spare_part_report____last_update
+msgid "Last Modified on"
+msgstr "آخر تعديل في"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__write_uid
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__write_uid
+msgid "Last Updated by"
+msgstr "آخر تحديث بواسطة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_equipment_locations__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_rootfailure__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__write_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__write_date
+msgid "Last Updated on"
+msgstr "آخر تحديث في"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__line_ids
+msgid "Line"
+msgstr "بند"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment__location2
+msgid "Location2"
+msgstr "مستخدمة في الموقع"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.equipments_locations_action
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipments_locations_view_tree
+msgid "Equipment Locations"
+msgstr "مواقع المعدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_loss
+msgid "Loss of Production"
+msgstr "فقدان الإنتاج"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Losses"
+msgstr "خسائر"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_low
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__priority__1
+msgid "Low"
+msgstr "منخفض"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "MAINTENANCE Type"
+msgstr "نوع الصيانة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "MAN POWER"
+msgstr "قوة الرجل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "MANAGER"
+msgstr "مدير"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Machine"
+msgstr "العنصر"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__machine_status
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__machine_status
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "Machine Status"
+msgstr "حالة الجهاز"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_purchase_request__maintenance_id
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_view_form_inherit
+msgid "Maintenance"
+msgstr "الصيانة الدورية"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__start_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__start_date
+msgid "Maintenance Begin Date"
+msgstr "تاريخ بدء الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__start_time
+msgid "Maintenance Begin Time"
+msgstr "وقت بدء الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__maintenance_time
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__maintenance_time
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__maintenance_time
+msgid "Maintenance Duration"
+msgstr "مدة الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_equipment
+msgid "Maintenance Equipment"
+msgstr "معدات الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.maintenance_equipments_group_action
+msgid "Maintenance Equipments"
+msgstr "معدات الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.ui.menu,name:maintenance_custom.menu_m_group_form
+msgid "Maintenance Equipments Group"
+msgstr "جدول الصيانة الدورية"
+
+#. module: maintenance_custom
+#: model:ir.actions.report,name:maintenance_custom.action_report_maintenance
+msgid "Maintenance Form"
+msgstr "استمارة الصيانة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Maintenance Order"
+msgstr "أمر الصيانة"
+
+#. module: maintenance_custom
+#: model:res.groups,name:maintenance_custom.maintenance_order_stage_visibility_stage_group
+msgid "Maintenance Order Acceptation"
+msgstr "تـأكـيد الذهـاب الـى طــلب الصيـانـة"
+
+#. module: maintenance_custom
+#: model:res.groups,name:maintenance_custom.maintenance_order_stage_cancel_visibility_stage_group
+msgid "Maintenance Order Cancel"
+msgstr "إلغــاء طــــلب الصـــيانــة"
+
+#. module: maintenance_custom
+#: model:res.groups,name:maintenance_custom.maintenance_order_done
+msgid "Maintenance Order Done"
+msgstr "تــم الاصـــــلاح"
+
+#. module: maintenance_custom
+#: model:res.groups,name:maintenance_custom.maintenance_order_set_to_draft
+msgid "Maintenance Order ٍSet To Draft"
+msgstr "إعــادة كمسـودة"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.hr_equipment_order_action
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__order_chart
+#: model:ir.ui.menu,name:maintenance_custom.menu_m_request_form
+msgid "Maintenance Orders"
+msgstr "أوامر الصيانة"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "Maintenance Purchase Orders"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.ui.menu,name:maintenance_custom.maintenance_report_menu
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_report_wiz_view
+msgid "Maintenance Reports"
+msgstr "تقارير الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_request
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__request_id
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_job_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipments_jobs_view_form
+msgid "Maintenance Request"
+msgstr "طلب الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_stage
+msgid "Maintenance Stage"
+msgstr "مرحلة الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.maintenance_summary_dashboard_action
+#: model:ir.ui.menu,name:maintenance_custom.maintenance_summary_dashboard_menu
+msgid "Maintenance Summary"
+msgstr "ملخص الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.actions.report,name:maintenance_custom.action_maintenance_team_report
+msgid "Maintenance Team"
+msgstr "فريق الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.ui.menu,name:maintenance_custom.team_report_menu
+msgid "Maintenance Team Reports"
+msgstr "تقارير فريق الصيانة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Maintenance Work"
+msgstr "العمل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__maintenance_category
+msgid "Maintenance category "
+msgstr "فئة الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__maintenance_work
+msgid "Maintenance works"
+msgstr "أعمال الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_matrial_line
+msgid "Matrial maintenacerequest line"
+msgstr "الخامات اللازمة للصيانة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Matrials"
+msgstr "الخــامـــات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__employee_ids
+msgid "Members"
+msgstr "أعضاء"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipment_job__period_type__month
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipments_jobs__period_type__month
+msgid "Monthly"
+msgstr "شهريا"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "NAME"
+msgstr "اسم العطل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "NO"
+msgstr "لا"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "NO. OF WORK ORDER"
+msgstr "لا. من أجل العمل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_checklist_line__name
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_failure__name
+msgid "Name"
+msgstr "اسم العطل"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "New"
+msgstr "جديد"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__next_action_date
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__next_action_date
+msgid "Next Preventive"
+msgstr "موعد الصيانة القادم"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage__next_stage_ids
+msgid "Next Stage"
+msgstr "المرحلة القادمة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_normal
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__priority__2
+msgid "Normal"
+msgstr "عادي"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "ON-TIME"
+msgstr "في الوقت المحدد"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "OPEN ORDERS"
+msgstr "أوامر مفتوحة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "OPENNED TASKS"
+msgstr "المهام المفتوحة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "OVER DUE TASKS"
+msgstr ""
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "OVER DUUE TASKS"
+msgstr "أكثر من المهام المستحقة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "OVERDUE"
+msgstr "تجاوز"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "Only team members for current department team can perform this action"
+msgstr "يمكن فقط لأعضاء الفريق لفريق القسم الحالي تنفيذ هذا الإجراء"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "Only user who create the work order can perform this action"
+msgstr "يمكن فقط للمستخدم الذي أنشأ أمر العمل تنفيذ هذا الإجراء"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_open
+msgid "Open"
+msgstr "يفتح"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Opreater"
+msgstr "المشغل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__entry_source__order
+msgid "Order Request"
+msgstr "طلب"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_stage__stage_type__for_order
+msgid "Orders"
+msgstr "امر صيانة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__machine_status__out_service
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__machine_status__out_service
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_summary_kanban
+msgid "Out of Service"
+msgstr "خارج الخدمة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__team_type__out
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__team_type__out
+msgid "Outsite Entity"
+msgstr "كيان خارجي"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "PART"
+msgstr "جزء"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "PLANNED VS UNPLANNED"
+msgstr "مخطط مقابل غير مخطط"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "POSITION"
+msgstr "موقع"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "PRIORITY"
+msgstr "أولوية"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__machine_status__part
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__machine_status__part
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_summary_kanban
+msgid "Partially effect"
+msgstr "تأثير جزئي"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__partner_id
+msgid "Partner"
+msgstr "الشريك"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Pending"
+msgstr "قيد الانتظار"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__period_type
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__period_type
+msgid "Period Type"
+msgstr "نوع الفترة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_planned
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__maintenance_category__planned
+msgid "Planned"
+msgstr "مخطط"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__planned_chart
+msgid "Planned Maintenacne"
+msgstr "صيانة مخطط لها مسبقا"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Preventive Maintenance"
+msgstr "الصيانة الوقائية"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__period
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__period
+msgid "Preventive Maintenance Frequency"
+msgstr "تردد الصيانة الوقائية"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage__pre_stage_ids
+msgid "Previous Stage"
+msgstr "المرحلة السابقة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_report_wiz_view
+msgid "Print"
+msgstr "مطبعة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__dis_priority
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__priority
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__priority_chart
+msgid "Priority"
+msgstr "الأولوية"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_product_template
+msgid "Product Template"
+msgstr "قالب الصنف"
+
+#. module: maintenance_custom
+#: model:ir.ui.menu,name:maintenance_custom.menu_product_template_action
+msgid "Products"
+msgstr "منتجات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__purchase_order_count
+msgid "Purchase Order Count"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_purchase_request
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Purchase Request"
+msgstr "طلبات الشراء"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__purchase_create
+msgid "Purchase_create"
+msgstr "انشاء طلب شراء"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__qty
+msgid "Qty"
+msgstr "الكمية"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__quantity
+msgid "Quantity"
+msgstr "كمية"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "REPAIR COMPLATE DATE AND TIME"
+msgstr "تاريخ ووقت اكتمال الإصلاح"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "REPAIR DURATION"
+msgstr "مدة الإصلاح"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "REPAIRING AND CORRECTION ACTION"
+msgstr "إجراء الإصلاح والتصحيح"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "REQUEST INFORMATION"
+msgstr "طلب معلومات"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "REQUEST NO"
+msgstr "رقم الطلب"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "REQUESTER"
+msgstr "الطلب"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_failure_view_form
+msgid "Related Engineers"
+msgstr "المهندسين ذوي الصلة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__job_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__jobs_id
+msgid "Related Maintenance Job"
+msgstr "وظيفة الصيانة ذات الصلة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__request_id
+msgid "Related Request"
+msgstr "طلب ذو صلة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_job_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipments_jobs_view_form
+msgid "Related Tasks"
+msgstr "المهام ذات الصلة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Reopen Request"
+msgstr "إعادة فتح الطلب"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Repair COST"
+msgstr "تكلفة الإصلاح"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_stage__stage_type__repair_done
+msgid "Repair Done"
+msgstr "تم الإصلاح"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_repair
+msgid "Repaired"
+msgstr "تم الاصلاح"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__report_type
+msgid "Report Type"
+msgstr "نوع التقرير"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__request_date
+msgid "Request Date"
+msgstr "تاريخ الطلب"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Request Details"
+msgstr "طلب تفاصيل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__code
+msgid "Request No"
+msgstr "رقم الطلب"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__entry_source__request
+msgid "Request Order"
+msgstr "تقديم طلب"
+
+#. module: maintenance_custom
+#: model:res.groups,name:maintenance_custom.request_order_stage
+msgid "Request Order Acceptation"
+msgstr "تــأكيد الذهـــاب ألــى أمـر الصـــيانة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__request_id
+msgid "Request Ref."
+msgstr "طلب شراء"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Requester"
+msgstr "مقدم الطلب"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "S/N"
+msgstr ""
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "SDG"
+msgstr ""
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "STOCK"
+msgstr "مخزون"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "SUPERVISOR"
+msgstr "المختص"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_task__sequence
+msgid "Sequence"
+msgstr "تسلسل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__entry_source
+msgid "Source"
+msgstr "مصدر"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__spare_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_product__is_spare
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_template__is_spare
+msgid "Spare"
+msgstr "قطعة غيار"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__spare_categ_ids
+msgid "Spare Category"
+msgstr "فئة قطعة الغيار"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "Spare Part"
+msgstr "قطعة غيار"
+
+#. module: maintenance_custom
+#: model:ir.actions.report,name:maintenance_custom.action_spare_part_report
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__spare_ids
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__report_type__spare
+msgid "Spare Parts"
+msgstr "قطع غيار"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.action_spare_report_wiz
+#: model:ir.ui.menu,name:maintenance_custom.spare_report_menu
+msgid "Spare Parts Reports"
+msgstr "تقارير قطع الغيار"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__spare_ids
+msgid "Spares"
+msgstr "قطع غيار"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__stage_type
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage__stage_type
+msgid "Stage Type"
+msgstr "نوع المرحلة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Status"
+msgstr "حالة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__user_ids
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Supervisor"
+msgstr "المختص"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "TEAM"
+msgstr "فريق"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "TITLE"
+msgstr "عنوان"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "TOTAL DOWNTIME"
+msgstr "الوقت الإجمالي"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "TOTAL EQUIPMENT"
+msgstr "معدات كاملة"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "TOTAL LOSSES"
+msgstr "إجمالي الخسائر"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "TOTAL Tasks"
+msgstr "إجمالي المهام"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.spare_part_report
+msgid "TOTAL WORK ORDERS"
+msgstr "إجمالي أوامر العمل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Task Title"
+msgstr "عنوان المهمة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__task_ids
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__task_ids
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__task_ids
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Tasks"
+msgstr "مهام"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.report_maintenance_request
+msgid "Tasks Details"
+msgstr "تفاصيل المهام"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__maintenance_team_id
+msgid "Team"
+msgstr "فريق"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "Team Member"
+msgstr "عضو الفريق"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__dis_employee_ids
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__employee_ids
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_report_wiz__report_type__team
+msgid "Team Members"
+msgstr "أعضاء الفريق"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__team_type
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__team_type
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "Team Type"
+msgstr "نوع الفريق"
+
+#. module: maintenance_custom
+#: model:ir.actions.act_window,name:maintenance_custom.action_team_report_wiz
+msgid "Teams Reports"
+msgstr "تقارير الفرق"
+
+#. module: maintenance_custom
+#. openerp-web
+#: code:addons/maintenance_custom/static/src/xml/chart_template.xml:0
+#, python-format
+msgid "This is some simple HTML"
+msgstr ""
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_job_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipments_jobs_view_form
+msgid "Title"
+msgstr "عنوان"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_report_wiz__time_to
+msgid "To"
+msgstr "إلى"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__tool_ids
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_product__is_tool
+#: model:ir.model.fields,field_description:maintenance_custom.field_product_template__is_tool
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Tools"
+msgstr "أدوات الصيانة المستخدمة "
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_spare__total
+msgid "Total"
+msgstr "إجمالي"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_downtime
+msgid "Total Downtime"
+msgstr "إجمالي وقت التعطل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_orders
+msgid "Total Orders"
+msgstr "إجمالي الطلبات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_outservice
+msgid "Total Out of Service"
+msgstr "إجمالي خارج الخدمة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_partially_effect
+msgid "Total Partiall Effect"
+msgstr "التأثير الجزئي الكلي"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.hr_equipment_order_view_form
+msgid "Total amount"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_summary__total_unplanned
+msgid "Un Planned"
+msgstr "غير مخطط له"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "Unit"
+msgstr "وحدة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__price_unit
+msgid "Unit Price"
+msgstr "سعر الوحدة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__uom_id
+msgid "Unit of Measure"
+msgstr "وحدة القياس"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Units"
+msgstr "وحدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__maintenance_category__unplanned
+msgid "Unplanned"
+msgstr "غير مخطط له"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__vendor_id
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.equipment_report
+msgid "Vendor"
+msgstr "بائع"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_request__priority__0
+msgid "Very Low"
+msgstr "منخفض جدًا"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+msgid "WORK Stage"
+msgstr "مرحلة العمل"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.general_maintenance_report
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_team_report
+msgid "WORKING HOURS"
+msgstr "ساعات العمل"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipment_job__period_type__weekly
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipments_jobs__period_type__weekly
+msgid "Weekly"
+msgstr "أسبوعي"
+
+#. module: maintenance_custom
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipment_job__period_type__year
+#: model:ir.model.fields.selection,name:maintenance_custom.selection__maintenance_equipments_jobs__period_type__year
+msgid "Yearly"
+msgstr "سنوي"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid ""
+"You cannot  confrim this request,only requester can perform this action"
+msgstr "لا يمكنك تأكيد هذا الطلب ، يمكن للطالب فقط تنفيذ هذا الإجراء"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid ""
+"You cannot Make Cancel For This Order Please Contact Your Administrator"
+msgstr "إلغــاء"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "You cannot Make Set To Draft Please Contact Your Administrator"
+msgstr "لا يمكنك إعادة تعين كمسودة برجأ التواصل مع المسؤول"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid ""
+"You cannot Make This Order Please Contact Your Administrator To Make Your "
+"Order"
+msgstr ""
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "You cannot confirm this request,only requester can perform this action"
+msgstr "لا يمكنك تأكيد هذا الطلب ، يمكن للطالب فقط تنفيذ هذا الإجراء"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid ""
+"You cannot use confrim this request,only requester can perform this action"
+msgstr "لا يمكنك استخدام تأكيد هذا الطلب ، فقط الطالب يمكنه تنفيذ هذا الإجراء"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "You cannot use go forword to this stage."
+msgstr "لا يمكنك استخدام المضي قدما إلى هذه المرحلة."
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid ""
+"You cannot use process this request,only supervisor can perform this action"
+msgstr "لا يمكنك استخدام معالجة هذا الطلب ، يمكن للمشرف فقط تنفيذ هذا الإجراء"
+
+#. module: maintenance_custom
+#: code:addons/maintenance_custom/models/maintenance.py:0
+#, python-format
+msgid "You cannot use return back to this stage."
+msgstr "لا يمكنك استخدام العودة إلى هذه المرحلة."
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_equipment_locations
+msgid "equipment.locations"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request__product_loss
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_summary_kanban
+msgid "losses of production"
+msgstr "خسائر الإنتاج"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_equipment_job
+msgid "maintenance.equipment.job"
+msgstr "الصيانة.المعدات.العمل"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_equipment_task
+msgid "maintenance.equipment.task"
+msgstr "مهمة الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_equipments_jobs
+msgid "maintenance.equipments.jobs"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_failure
+msgid "maintenance.failure"
+msgstr "فشل الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_report_wiz
+msgid "maintenance.report.wiz"
+msgstr "تقرير الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_request_spare
+msgid "maintenance.request.spare"
+msgstr "طلب صيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_request_task
+msgid "maintenance.request.task"
+msgstr "مهمة الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_rootfailure
+msgid "maintenance.rootfailure"
+msgstr "الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_maintenance_summary
+msgid "maintenance.summary"
+msgstr "ملخص الصيانة"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_request_task__name
+msgid "name"
+msgstr "الإسم"
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_report_maintenance_custom_equipment_report
+msgid "report.maintenance_custom.equipment_report"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_report_maintenance_custom_general_maintenance_report
+msgid "report.maintenance_custom.general_maintenance_report"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_report_maintenance_custom_maintenance_team_report
+msgid "report.maintenance_custom.maintenance_team_report"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model,name:maintenance_custom.model_report_maintenance_custom_spare_part_report
+msgid "report.maintenance_custom.spare_part_report"
+msgstr ""
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_matrial_line__sum_total
+msgid "sum_total"
+msgstr "الاجمالي"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipment_job__user_id
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_equipments_jobs__user_id
+msgid "supervisor"
+msgstr "مشرف"
+
+#. module: maintenance_custom
+#: model_terms:ir.ui.view,arch_db:maintenance_custom.maintenance_summary_kanban
+msgid "units"
+msgstr "وحدات"
+
+#. module: maintenance_custom
+#: model:ir.model.fields,field_description:maintenance_custom.field_maintenance_stage__for_order
+msgid "use for Order ?"
+msgstr "استخدام للطلب؟"
diff --git a/odex25_maintenance/maintenance_custom/models/__init__.py b/odex25_maintenance/maintenance_custom/models/__init__.py
new file mode 100644
index 000000000..cfa4f92f7
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/models/__init__.py
@@ -0,0 +1,4 @@
+from . import maintenance
+from . import maintenance_asset
+from . import maintenance_checklist
+from . import maintenance_checklist_line
diff --git a/odex25_maintenance/maintenance_custom/models/maintenance.py b/odex25_maintenance/maintenance_custom/models/maintenance.py
new file mode 100644
index 000000000..eef354b5c
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/models/maintenance.py
@@ -0,0 +1,659 @@
+from odoo import _, api, fields, models
+from datetime import datetime, timedelta, time
+from odoo.exceptions import RedirectWarning, UserError, ValidationError, AccessError
+from lxml import etree
+import simplejson  # If not installed, you have to install it by executing pip install simplejson
+
+from odoo.tools import get_lang
+
+
+class MaintenanceFailure(models.Model):
+    _name = 'maintenance.failure'
+
+    name = fields.Char('Name', required=True)
+    user_ids = fields.Many2many('res.users', 'failure_supervisor_rel', string='Engineers')
+
+
+class MaintenanceSpare(models.Model):
+    _name = 'maintenance.request.spare'
+
+    spare_id = fields.Many2one('product.template', string='Spare', domain=[('is_spare', '=', True)])
+    quantity = fields.Integer('Quantity')
+    cost = fields.Float('Cost')
+    request_id = fields.Many2one('maintenance.request', string='Related Request')
+    total = fields.Float('Total', readonly=True, compute='_compute')
+
+    @api.depends('quantity', 'cost')
+    def _compute(self):
+        for rec in self:
+            rec.total = rec.cost * rec.quantity
+
+    @api.onchange('spare_id')
+    def onchange_spare(self):
+        self.cost = self.spare_id.standard_price
+
+
+class MaintenanceSpare(models.Model):
+    _name = 'maintenance.rootfailure'
+
+    name = fields.Char('Description')
+
+
+class MaintenanceRequestTask(models.Model):
+    _name = 'maintenance.request.task'
+
+    name = fields.Char('name')
+    employee_id = fields.Many2one('hr.employee', string='Employee')
+    time = fields.Float('Executing Time')
+    duration = fields.Float('Duration')
+    is_done = fields.Boolean('Complete ?')
+    request_id = fields.Many2one('maintenance.request', 'Maintenance Request')
+
+
+# inherit purchase request
+class PurchaseOrder(models.Model):
+    _inherit = 'purchase.order'
+    maintenance_id = fields.Many2one('maintenance.request', )
+
+# end
+
+class MaintenanceEquipmentRequest(models.Model):
+    _inherit = 'maintenance.request'
+    # todo start
+    partner_id = fields.Many2one(comodel_name='res.partner', string='Partner',
+    )
+    product_category_ids = fields.Many2many('product.category', string='Items Categories')
+    # todo end
+    code = fields.Char('Request No', default='/')
+    # todo start
+    line_ids = fields.One2many(comodel_name='matrial.line', inverse_name='request_id', string='')
+    # todo end
+    failure_id = fields.Many2one('maintenance.failure', string='Failure Type')
+    tool_ids = fields.Many2many('product.template', 'maintenance_tool_rel', string="Tools",
+                                domain=[('is_tool', '=', True)])
+    spare_ids = fields.One2many('maintenance.request.spare', 'request_id', string="Spares")
+    maintenance_team_id = fields.Many2one('maintenance.team', string='Team', check_company=True, )
+    stage_type = fields.Selection(string='Stage Type', related='stage_id.stage_type')
+    team_type = fields.Selection([('in', 'Internal Team'), ('out', 'Outsite Entity')], 'Team Type')
+    out_entity_id = fields.Many2one('res.partner', 'Entity', domain=[('is_company', '=', True)])
+    request_date = fields.Datetime('Request Date', tracking=True, default=fields.Datetime.now,
+                                   help="Date requested for the maintenance to happen")
+    dis_employee_ids = fields.Many2many('hr.employee', 'dis_req_member_rel', string='Team Members')
+    employee_ids = fields.Many2many('hr.employee', 'req_member_rel', string='Team Members')
+    employee_id = fields.Many2one('hr.employee', string='Employee')
+    failure_desc = fields.Text('Failure Description')
+    failure_cause_id = fields.Many2one('maintenance.rootfailure', string='Failure Root Cause')
+    maintenance_work = fields.Text('Maintenance works')
+    dis_priority = fields.Selection([('3', 'A'), ('2', 'B'), ('1', 'C')], string='Priority')
+    priority = fields.Selection([('0', 'Very Low'), ('1', 'Low'), ('2', 'Normal'), ('3', 'High')], string='Priority')
+    maintenance_time = fields.Float('Maintenance Duration')
+    estimated_time = fields.Float('Estimated Duration')
+    task_ids = fields.One2many('maintenance.request.task', 'request_id', string='Tasks')
+    attachment = fields.Binary(string="Instruction Document", attachment=True)
+    done_time = fields.Datetime('Complete Time')
+    start_time = fields.Datetime('Maintenance Begin Time')
+    entry_source = fields.Selection(
+        [('request', 'Request Order'), ('order', 'Order Request'), ('job', 'Equipment Job')], string='Source',
+        default='request')
+    machine_status = fields.Selection(
+        [('out_service', 'Out of Service'), ('part', 'Partially effect'), ('in_service', 'In Service')],
+        string='Machine Status')
+    maintenance_category = fields.Selection([('planned', 'Planned'), ('unplanned', 'Unplanned')],
+                                            string="Maintenance category ")
+    down_time = fields.Float('Down Time')
+    purchase_create = fields.Boolean(string='Purchase_create')
+    product_loss = fields.Float('losses of production')
+    acquisition_date = fields.Date(string='Acquisition Date')
+    department_id = fields.Many2one('hr.department', string='Department', related='employee_id.department_id',
+                                    readonly=True, store=True)
+    purchase_order_count = fields.Integer(compute='_compute_purchase_order_count')
+    vendor_id = fields.Many2one(
+        comodel_name='res.partner',
+        string='Vendor',
+        required=False)
+    
+    purchase_order_id = fields.Many2one(
+        string='Purchase Order',
+        comodel_name='purchase.order',
+        ondelete='restrict',
+    )
+    
+    # todo start
+    def create_purchase_request(self):
+        for rec in self:
+            product_list = []
+            for line in rec.line_ids:
+                product_list.append((0, 6, {
+                    'product_id': line.product_id.id,
+                    'name': line.name,
+                    'price_unit': line.price_unit,
+                    'product_qty': line.qty,
+                    'product_uom': line.uom_id.id,
+                    'account_analytic_id': line.account_id.id,
+                }))
+            create_purchase = self.env['purchase.order'].create({
+                'name': rec.name,
+                'partner_id': rec.partner_id.id,
+                'order_line': product_list,
+                'maintenance_id': rec.id
+            })
+            rec.purchase_order_id = create_purchase.id
+            return create_purchase
+
+    def _compute_purchase_order_count(self):
+        for po in self:
+            items = self.env['purchase.order'].search([
+                ('name', '=', self.name),
+            ])
+            po.purchase_order_count = len(items)
+
+    def to_open_maintenance_purchase_order(self):
+        xmlid = "purchase.purchase_rfq"
+        action = self.env["ir.actions.act_window"]._for_xml_id(xmlid)
+        action["domain"] =  [('maintenance_id', '=', self.id)]
+        action['context']= {'create': False,'edit':False}
+        # action["views"] = [(self.env.ref("purchase.purchase_order_form").id, "form")]
+        return action
+    
+        # return {'name': _('Maintenance Purchase Orders'),
+        #         'type': 'ir.actions.act_window',
+        #         'res_model': 'purchase.order',
+        #         'view_mode': 'tree',
+        #         'domain': [('maintenance_id', '=', self.id)],
+        #         'context': "{'create': False,'edit':True}"
+        #         # 'target': 'new'
+        #         }
+
+    def request_order_creation(self):
+        for rec in self:
+            if not self.env.user.has_group('maintenance_custom.maintenance_order_stage_visibility_stage_group'):
+                raise UserError(_('You cannot Make This Order Please Contact Your Administrator To Make Your Order'))
+            else:
+                res = self.env['maintenance.stage'].search([('stage_type', '=', 'confirm')])
+                if res:
+                    rec.stage_id = res
+
+    def maintenance_order_creation(self):
+        for rec in self:
+            if not self.env.user.has_group('maintenance_custom.request_order_stage'):
+                raise UserError(_('You cannot Make This Order Please Contact Your Administrator To Make Your Order'))
+            else:
+                res = self.env['maintenance.stage'].search([('stage_type', '=', 'for_order')])
+                if res:
+                    rec.stage_id = res
+
+    def maintenance_order_done(self):
+        for rec in self:
+            if not self.env.user.has_group('maintenance_custom.maintenance_order_done'):
+                raise UserError(_('You cannot Make This Order Please Contact Your Administrator To Make Your Order'))
+            else:
+                res = self.env['maintenance.stage'].search([('stage_type', '=', 'repair_done')])
+                if res:
+                    rec.stage_id = res
+
+    def maintenance_order_cancel(self):
+        for rec in self:
+            if not self.env.user.has_group('maintenance_custom.maintenance_order_stage_cancel_visibility_stage_group'):
+                raise UserError(_('You cannot Make Cancel For This Order Please Contact Your Administrator'))
+            else:
+                res = self.env['maintenance.stage'].search([('stage_type', '=', 'cancel')])
+                if res:
+                    rec.stage_id = res
+
+    def order_set_to_draft(self):
+        for rec in self:
+            if not self.env.user.has_group('maintenance_custom.maintenance_order_set_to_draft'):
+                raise UserError(_('You cannot Make Set To Draft Please Contact Your Administrator'))
+            else:
+                res = self.env['maintenance.stage'].search([('stage_type', '=', 'draft')])
+                if res:
+                    rec.stage_id = res
+
+    def get_po(self):
+        self.ensure_one()
+        return {
+            'type': 'ir.actions.act_window',
+            'name': 'Purchase Request',
+            'view_mode': 'tree,form',
+            'res_model': 'purchase.request',
+            'domain': [('maintenance_id', '=', self.id)],
+            'context': "{'create': False}"
+        }
+
+    # todo end
+
+    @api.onchange('stage_id')
+    def _onchange_stage_id(self):
+        print("iam here=================", self.stage_id.sequence)
+        now = datetime.now()
+        if self.stage_id.stage_type == 'confirm':
+            self.request_date = now
+            # self.fields_view_get(self, view_id=None, view_type='form', toolbar=False, submenu=False)
+
+    @api.model
+    def fields_view_get(self, view_id=None, view_type='form', toolbar=False, submenu=False):
+        """
+        Overrides orm field_view_get.
+        @return: Dictionary of Fields, arch and toolbar.
+        """
+
+        res = super(MaintenanceEquipmentRequest, self).fields_view_get(view_id=view_id, view_type=view_type,
+                                                                       toolbar=toolbar, submenu=submenu)
+        # if doc.xpath("//field[@name='city_id']")
+        if self.env.context:  # Check for context value
+            doc = etree.XML(res['arch'])  # Get the view architecture of record
+            if view_type == 'form':  # Applies only if it is form view
+                for node in doc.xpath("//field"):  # Get all the fields navigating through xpath
+                    modifiers = simplejson.loads(node.get("modifiers"))  # Get all the existing modifiers of each field
+                    modifiers['readonly'] = False  # Add readonly=True attribute in modifier for each field
+                    node.set('modifiers',
+                             simplejson.dumps(modifiers))  # Now, set the newly added modifiers to the field
+                res['arch'] = etree.tostring(doc)  # Update the view architecture of record with new architecture
+        return res
+
+    @api.onchange('dis_employee_ids', 'user_id', 'team_type')
+    def onchange_members(self):
+        member_ids = []
+        if self.user_id:
+            res = self.env.get('hr.employee').search([('user_id', '=', self.user_id.id)])
+            if res: member_ids.append(res[0].id)
+        if self.dis_employee_ids and self.team_type == 'in':
+            member_ids += self.dis_employee_ids.ids
+        self.employee_ids = [(6, 0, member_ids)]
+
+    @api.model
+    def create(self, vals):
+        vals['code'] = self.env['ir.sequence'].next_by_code('maintenance.request') or _('New')
+        if 'dis_priority' in vals:
+            vals['priority'] = vals['dis_priority']
+        obj = super(MaintenanceEquipmentRequest, self).create(vals)
+        obj.onchange_members()
+        return obj
+
+    # @api.onchange('failure_id','maintenance_type')
+    # def onchange_failure(self):
+    #     domain = [('id','>','0')]
+    #     if self.maintenance_type == 'corrective':
+    #         dom = self.failure_id and self.failure_id.user_ids.ids or []
+    #         domain = [('id', 'in', dom)]
+    #     return {
+    #         'value' : {'user_id' : False},
+    #         'domain' : {
+    #             'user_id' : domain
+    #         }
+    #     }
+
+    def write(self, vals):
+        stage = self.env.get('maintenance.stage')
+        user = self.env.user
+        user_id = user.id
+        if 'dis_priority' in vals:
+            vals['priority'] = vals['dis_priority']
+        if 'stage_id' in vals:
+            new_value = vals['stage_id']
+            old = self.stage_id
+            new = stage.browse(new_value)
+
+            if old.sequence > new.sequence:
+                if old.pre_stage_ids.ids and new_value not in old.pre_stage_ids.ids:
+                    raise UserError(_('You cannot use return back to this stage.'))
+            else:
+                if self.stage_id.next_stage_ids and new_value not in self.stage_id.next_stage_ids.ids:
+                    raise UserError(_('You cannot use go forword to this stage.'))
+
+            if new.stage_type == 'confirm':
+                if 'employee_id' in vals:
+                    em = vals['employee_id']
+                    em_id = self.env.get('hr.employee').browse(em)
+                    if user_id != em_id.user_id.id:
+                        raise UserError(_('You cannot use confrim this request,only requester can perform this action'))
+                else:
+                    em_id = self.employee_id
+                    if em_id and user_id != em_id.user_id.id:
+                        raise UserError(_('You cannot use confrim this request,only requester can perform this action'))
+                now = datetime.now()
+                self.write({'request_date': now})
+
+            if new.stage_type == 'for_order':
+                if self.user_id and self.user_id.id != user_id:
+                    raise UserError(_('Only user who create the work order can perform this action'))
+                teams = self.maintenance_team_id.member_ids.ids
+                print("tems================", teams)
+                if user_id not in teams:
+                    print("in here===========")
+                    raise UserError(_('Only team members for current department team can perform this action'))
+                # if 'equipment_id' in vals:
+                #     equipment = vals['equipment_id']
+                #     equipment_id = self.env.get('maintenance.equipment').browse(equipment)
+                #     if user_id not in equipment_id.maintenance_team_id.member_ids.ids:
+                #         raise UserError(_('Only team members can perform this action'))
+                # else:
+
+                #     if self.equipment_id and user_id not in self.equipment_id.maintenance_team_id.member_ids.ids:
+                #         raise UserError(_('Only team members can perform this action'))
+                self.write({'user_id': user_id})
+
+            if new.stage_type == 'repair_done':
+                if 'user_id' in vals:
+                    usr = vals['user_id']
+                    usr_id = self.env.get('res.users').browse(usr)
+                    # teams = self.env.get('maintenance.team').search([('department_id','=',self.department_id.id)]).member_ids.ids
+                    if usr_id and usr_id.id != user_id:
+                        raise UserError(
+                            _('You cannot use process this request,only supervisor can perform this action'))
+                else:
+                    usr_id = self.user_id
+                    if usr_id and usr_id.id != user_id:
+                        raise UserError(
+                            _('You cannot use process this request,only supervisor can perform this action'))
+
+            if new.stage_type == 'request_done':
+                if 'employee_id' in vals:
+                    em = vals['employee_id']
+                    em_id = self.env.get('hr.employee').browse(em)
+                    if user_id != em_id.user_id.id:
+                        raise UserError(_('You cannot confirm this request,only requester can perform this action'))
+                else:
+                    em_id = self.employee_id
+                    if em_id and user_id != em_id.user_id.id:
+                        raise UserError(_('You cannot  confrim this request,only requester can perform this action'))
+        return super(MaintenanceEquipmentRequest, self).write(vals)
+
+
+# add new class
+class MatrialMaintenanceRequest(models.Model):
+    _name = 'matrial.line'
+    _description = 'Matrial maintenacerequest line'
+
+    # for test
+    account_id = fields.Many2one('account.analytic.account', 'Analytic Account', readonly=False, )
+    request_id = fields.Many2one(comodel_name='maintenance.request', string='Request Ref.')
+    product_id = fields.Many2one(comodel_name='product.product', string='Item')
+    qty = fields.Integer(string='Qty')
+    name = fields.Char(string='Descrption')
+    price_unit = fields.Float(string='Unit Price', digits='Product Price')
+    uom_id = fields.Many2one('uom.uom', related='product_id.uom_id', string='Unit of Measure')
+    sum_total = fields.Float(string="sum_total")
+
+    @api.onchange('qty', 'price_unit')
+    def total_sum_lines(self):
+        sum_total = 0
+        # for line in self.line_ids:
+        if self.price_unit and self.qty:
+            self.sum_total = self.qty * self.price_unit
+
+    # get price for product
+    def _product_id_change(self):
+        if not self.product_id:
+            return
+
+        product_lang = self.product_id.with_context(
+            lang=get_lang(self.env, self.partner_id.lang).code,
+            partner_id=self.partner_id.id,
+            company_id=self.company_id.id,
+        )
+        self.name = self._get_product_purchase_description(product_lang)
+
+    @api.constrains('qty')
+    def qty_validation(self):
+        for rec in self:
+            if rec.qty <= 0:
+                raise ValidationError(_("Item Quantity MUST be at Least ONE!"))
+
+
+# end
+
+class MaintenanceStage(models.Model):
+    _inherit = 'maintenance.stage'
+
+    for_order = fields.Boolean('use for Order ?')
+    stage_type = fields.Selection([
+        ('draft', 'Draft'),
+        ('confirm', 'Confirm'),
+        ('for_order', 'Orders'),
+        ('repair_done', 'Repair Done'),
+        ('cancel', 'Cancel'),
+    ])
+
+    next_stage_ids = fields.Many2many(
+        string='Next Stage',
+        comodel_name='maintenance.stage',
+        relation='model_request_next_rel',
+        column1='request_id',
+        column2='stage_id',
+    )
+
+    pre_stage_ids = fields.Many2many(
+        string='Previous Stage',
+        comodel_name='maintenance.stage',
+        relation='model_request_pre_rel',
+        column1='request_id',
+        column2='stage_id',
+    )
+
+
+class Product(models.Model):
+    _inherit = 'product.template'
+
+    is_spare = fields.Boolean('Spare')
+    is_tool = fields.Boolean('Tools')
+
+
+class EquipmentMaintenaceTasks(models.Model):
+    _name = 'maintenance.equipment.task'
+
+    job_id = fields.Many2one('maintenance.equipment.job', string='Related Maintenance Job')
+    jobs_id = fields.Many2one('maintenance.equipments.jobs', string='Related Maintenance Job')
+    name = fields.Char('Decription')
+    sequence = fields.Integer('Sequence')
+
+
+class EquipmentMaintenaceJob(models.Model):
+    _name = 'maintenance.equipment.job'
+
+    name = fields.Char('Decription')
+    equipment_id = fields.Many2one('maintenance.equipment', string='Equipment')
+    start_date = fields.Date('Maintenance Begin Date')
+    next_action_date = fields.Date('Next Preventive')
+    period = fields.Integer('Preventive Maintenance Frequency')
+    period_type = fields.Selection([('hour', 'By Hour'), ('day', 'Daily'), ('weekly', 'Weekly'),('month', 'Monthly'), ('year', 'Yearly')])
+    maintenance_time = fields.Float('Maintenance Duration')
+    user_id = fields.Many2one('res.users', string='supervisor')
+    active = fields.Boolean('Active', default=True)
+    task_ids = fields.One2many('maintenance.equipment.task', 'job_id', string='Tasks')
+    attachment = fields.Binary(string="Instruction Document", attachment=True)
+
+    @api.onchange('start_date')
+    def onchange_start_date(self):
+        self.next_action_date = self.start_date
+
+    def write(self, vals):
+        if 'start_date' in vals:
+            vals['next_action_date'] = vals['start_date']
+        return super(EquipmentMaintenaceJob, self).write(vals)
+
+    @api.model
+    def create(self, vals):
+        if 'start_date' in vals:
+            vals['next_action_date'] = vals['start_date']
+        return super(EquipmentMaintenaceJob, self).create(vals)
+
+class EquipmentsMaintenacesJobs(models.Model):
+    _name = 'maintenance.equipments.jobs'
+
+    name = fields.Char('Decription')
+    equipments_id = fields.Many2many('maintenance.equipment', string='Equipments')
+    equipment_id = fields.Many2one('maintenance.equipment', string='Equipments')
+    start_date = fields.Date('Maintenance Begin Date')
+    next_action_date = fields.Date('Next Preventive')
+    period = fields.Integer('Preventive Maintenance Frequency')
+    period_type = fields.Selection([('hour', 'By Hour'), ('day', 'Daily'), ('weekly', 'Weekly'),('month', 'Monthly'), ('year', 'Yearly')])
+    maintenance_time = fields.Float('Maintenance Duration')
+    user_id = fields.Many2one('res.users', string='supervisor')
+    active = fields.Boolean('Active', default=True)
+    task_ids = fields.One2many('maintenance.equipment.task', 'jobs_id', string='Tasks')
+    attachment = fields.Binary(string="Instruction Document", attachment=True)
+
+    @api.onchange('start_date')
+    def onchange_start_date(self):
+        self.next_action_date = self.start_date
+
+    @api.model
+    def create(self, vals):
+        # Create a record in the current model
+        if 'start_date' in vals:
+            vals['next_action_date'] = vals['start_date']
+        job = super(EquipmentsMaintenacesJobs, self).create(vals)
+        ids= vals['equipments_id'][0][2]
+        equipments = self.env['maintenance.equipment'].browse(ids)
+        tasks = [(0, 0, {'name': t.name}) for t in job.task_ids]
+        for equipment in equipments:
+            equipment.write({
+            'job_ids': [(0, 0,{
+                'name':job.name,
+                'equipment_id':equipment.id,
+                'start_date':job.start_date,
+                'next_action_date':job.next_action_date,
+                'period':job.period,
+                'period_type':job.period_type,
+                'maintenance_time':job.maintenance_time,
+                'user_id':job.user_id.id,
+                'active':job.active,
+                'task_ids':tasks,
+                'attachment':job.attachment
+            })]})
+        return job
+
+    def write(self, vals):
+        if 'start_date' in vals:
+            vals['next_action_date'] = vals['start_date']
+        # ids = self.equipments_id.ids
+        # equipments = self.env['maintenance.equipment'].browse(ids)
+        # tasks = [(0, 0, {'name': t.name, 'job_id': self.id}) for t in self.task_ids]
+        # # Update related equipment records
+        # for equipment in equipments:
+        #     equipment.write({
+        #         'job_ids': [(0,0, {
+        #             'name': self.name,
+        #             'equipment_id': equipment.id,
+        #             'start_date': self.start_date,
+        #             'next_action_date': self.next_action_date,
+        #             'period': self.period,
+        #             'period_type': self.period_type,
+        #             'maintenance_time': self.maintenance_time,
+        #             'user_id': self.user_id.id,
+        #             'active': self.active,
+        #             'task_ids': tasks,
+        #             'attachment': self.attachment
+        #         })]})
+        return super(EquipmentsMaintenacesJobs, self).write(vals)
+
+    def creat_equi(self):
+        self.equipment_id.create_maintenance_jobs()
+
+
+
+
+class MaintenanceEquipment(models.Model):
+    _inherit = 'maintenance.equipment'
+
+    job_ids = fields.One2many('maintenance.equipment.job', 'equipment_id')
+    location2 = fields.Many2one('equipment.locations')
+    job_ids_for_equipments = fields.One2many('maintenance.equipments.jobs', 'equipments_id')
+
+    # This is cron job for maintenance request for only one equipment
+    def create_maintenance_job(self):
+        current_date = fields.Date.today()
+        job_model = self.env.get('maintenance.equipment.job')
+        res_job = job_model.search([('next_action_date', '=', current_date)])
+        order_model = self.env.get('maintenance.request')
+        res_stage = self.env.get('maintenance.stage').search([('stage_type', '=', 'for_order')], order='sequence')
+        stage_id = res_stage and res_stage[0].id or False
+        for job in res_job:
+            tasks = [(0, 0, {'name': t.name}) for t in job.task_ids]
+            res_order = order_model.create({
+                'name': job.name,
+                'user_id': job.user_id.id,
+                'stage_id': stage_id,
+                'maintenance_type': 'preventive',
+                'task_ids': tasks,
+                'attachment': job.attachment,
+                'entry_source': 'job',
+                'equipment_id': job.equipment_id.id,
+                'schedule_date': current_date,
+            })
+      #This is for maintenance request for group  of equipments at the same time
+    def create_maintenance_jobs(self):
+        current_date = fields.Date.today()
+        jobs_model = self.env.get('maintenance.equipments.jobs')
+        res_job = jobs_model.search([('next_action_date', '=', current_date)])
+        order_model = self.env.get('maintenance.request')
+        res_stage = self.env.get('maintenance.stage').search([('stage_type', '=', 'for_order')], order='sequence')
+        stage_id = res_stage and res_stage[0].id or False
+        for job in res_job:
+            tasks = [(0, 0, {'name': t.name}) for t in job.task_ids]
+            for equipment in job.equipments_id:
+                res_order = order_model.create({
+                    'name': job.name,
+                    'user_id': job.user_id.id,
+                    'stage_id': stage_id,
+                    'maintenance_type': 'preventive',
+                    'task_ids': tasks,
+                    'attachment': job.attachment,
+                    'entry_source': 'job',
+                    'equipment_id': equipment.id,
+                    'schedule_date': current_date,
+                })
+
+class MaintenanceSummary(models.Model):
+    _name = 'maintenance.summary'
+
+    name = fields.Char('Description')
+    total_orders = fields.Integer('Total Orders', compute='_compute_total')
+    total_open = fields.Integer('Open', compute='_compute_total')
+    total_repair = fields.Integer('Repaired', compute='_compute_total')
+    total_close = fields.Integer('Closed', compute='_compute_total')
+    order_chart = fields.Char('Maintenance Orders')
+    priority_chart = fields.Char('Priority')
+    total_low = fields.Integer('Low', compute='_compute_total')
+    total_normal = fields.Integer('Normal', compute='_compute_total')
+    total_high = fields.Integer('High', compute='_compute_total')
+    planned_chart = fields.Char('Planned Maintenacne')
+    total_planned = fields.Integer('Planned', compute='_compute_total')
+    total_unplanned = fields.Integer('Un Planned', compute='_compute_total')
+    total_partially_effect = fields.Integer('Total Partiall Effect', compute='_compute_total')
+    total_downtime = fields.Integer('Total Downtime', compute='_compute_total')
+    total_outservice = fields.Integer('Total Out of Service', compute='_compute_total')
+    total_loss = fields.Integer('Loss of Production', compute='_compute_total')
+
+    def _compute_total(self):
+        order_model = self.env.get('maintenance.request')
+        stage_model = self.env.get('maintenance.stage')
+        stage_close = stage_model.search([('stage_type', '=', 'request_done')]).ids
+        stage_repair = stage_model.search([('stage_type', '=', 'repair_done')]).ids
+        stage_open = stage_model.search([('stage_type', 'not in', ['repair_done', 'request_done'])]).ids
+        self.total_orders = order_model.search_count([])
+        self.total_open = order_model.search_count([('stage_id', 'in', stage_open)])
+        self.total_repair = order_model.search_count([('stage_id', 'in', stage_repair)])
+        self.total_close = order_model.search_count([('stage_id', 'in', stage_close)])
+        self.total_low = order_model.search_count([('priority', '=', 1)])
+        self.total_normal = order_model.search_count([('priority', '=', 2)])
+        self.total_high = order_model.search_count([('priority', '=', 3)])
+        self.total_planned = order_model.search_count([('maintenance_category', '=', 'planned')])
+        self.total_unplanned = order_model.search_count(
+            ['|', ('maintenance_category', '=', 'unplanned'), ('maintenance_category', '=', False)])
+        self.total_partially_effect = order_model.search_count([('machine_status', '=', 'part')])
+        self.total_outservice = order_model.search_count([('machine_status', '=', 'out_service')])
+        total_loss = 0
+        total_downtime = 0
+        for req in order_model.search([('machine_status', '=', 'part')]):
+            total_loss += req.product_loss
+        for req in order_model.search([('machine_status', '=', 'out_service')]):
+            total_downtime += req.down_time
+        self.total_downtime = total_downtime
+        self.total_loss = total_loss
+
+class Locations(models.Model):
+    _name = 'equipment.locations'
+
+    name = fields.Char('Description')
diff --git a/odex25_maintenance/maintenance_custom/models/maintenance_asset.py b/odex25_maintenance/maintenance_custom/models/maintenance_asset.py
new file mode 100644
index 000000000..99d245ffc
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/models/maintenance_asset.py
@@ -0,0 +1,8 @@
+from odoo import api, fields, models
+
+class MaintenanceAsset(models.Model):
+    _inherit = 'maintenance.request'
+
+    asset_id = fields.Many2one(string="Asset",
+                               comodel_name='account.asset',
+                               required=False)
diff --git a/odex25_maintenance/maintenance_custom/models/maintenance_checklist.py b/odex25_maintenance/maintenance_custom/models/maintenance_checklist.py
new file mode 100644
index 000000000..ffb2a45f5
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/models/maintenance_checklist.py
@@ -0,0 +1,11 @@
+from odoo import api, fields, models
+
+class MaintenanceChecklist(models.Model):
+    _inherit = 'maintenance.request'
+
+    checklist_lines = fields.One2many(
+        comodel_name='checklist.line',
+        inverse_name='checklist_id',
+        string='Checklist',
+        required=False)
+
diff --git a/odex25_maintenance/maintenance_custom/models/maintenance_checklist_line.py b/odex25_maintenance/maintenance_custom/models/maintenance_checklist_line.py
new file mode 100644
index 000000000..8c82f01c3
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/models/maintenance_checklist_line.py
@@ -0,0 +1,19 @@
+from odoo import api, fields, models
+
+
+class MaintenanceChecklistLines(models.Model):
+    _name = 'checklist.line'
+    _description = 'Inspection Checklist For Maintenance Lines'
+
+
+    name = fields.Char(
+        string='Name',
+        required=True)
+    description = fields.Char(
+        string='Description',
+        required=False)
+    checklist_id = fields.Many2one(
+        comodel_name='maintenance.request',
+        string='',
+        required=False)
+
diff --git a/odex25_maintenance/maintenance_custom/reports/__init__.py b/odex25_maintenance/maintenance_custom/reports/__init__.py
new file mode 100644
index 000000000..a691272fc
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/__init__.py
@@ -0,0 +1 @@
+from . import general_maintenance_report
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/reports/equipment_report.xml b/odex25_maintenance/maintenance_custom/reports/equipment_report.xml
new file mode 100644
index 000000000..4d97cf508
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/equipment_report.xml
@@ -0,0 +1,242 @@
+<odoo>
+    <template id="equipment_report">
+        <t t-call="web.html_container">
+        <t t-call="web.external_layout">
+            <style> 
+                body{
+                    margin: 0;
+                    width: 100%;
+                    }
+                .date_tb{
+                    display: table;
+                }
+
+                .date_th{
+                    display: table;
+                }
+                .date_tb div{
+                    display: table-cell;
+                    border-color: #888888;
+                    border: 1px solid #dee2e6;
+                    padding: 10px;
+                    min-width:30px;
+                }
+                .date_th{
+                    background-color: #dee2e6;
+                }
+                .box{
+                    padding-left: 10px;
+                    padding-right: 10px;
+                    border: 1px solid black;
+                    text-align: center;
+                    margin-top:10px;
+                    width: 150px;
+                    height: 100px;
+                    min-width: 150px;
+                    min-height: 100px;
+                    max-width: 150px;
+                    max-height: 100px;
+                    color:white;
+                    font-weight:bold;
+                }
+                .box-title{
+                    margin: 10px;
+                }
+
+                .box-content{
+                    margin: 15px;
+                }
+                
+                
+
+                .main-box-container, date_th{
+                    margin:30px;
+                }
+
+                .box-container{
+                    
+                }
+                .main-box-container .left{
+                    float: left;
+                    margin-top:10px;
+                }
+
+                .main-box-container .right{
+                    margin-left:300px;
+               }
+               .main-box-container .row{
+                   display: table;
+                   border-spacing: 20px;
+               }
+
+               .main-box-container .row .box{
+                   display: table-cell;
+               }
+               
+                .data_tb{
+                    text-align:center;
+                }
+                .data_tb th, #filters_tb th{
+                    background-color: #dee2e6;
+                }
+
+                .data_tb td , .data_tb th{
+                    border-color: #888888;
+                    border: 1px solid black;
+                    padding: 10px;
+                    min-width:30px;
+                    
+                }
+
+                #filters_tb, #filters_tb th,  #filters_tb td{
+                    border: 1px solid black;
+                    text-align : center;
+                    padding : 15px;
+                }
+
+                #filters_tb th, #filters_tb td{
+                    min-width: 150px;
+                    max-width: 150px;
+                }
+
+                .zooba{
+                    background-color:#66CDAA;
+                    
+                }
+
+                .over{
+                    background-color:#DC143C;
+                }
+
+                .high{
+                    background-color:red;
+                }
+                .open{
+                    background-color:#FFD700;
+                }
+                .closed{
+                    background-color:#228B22 ;
+                }
+                .total_work_order{
+                    background-color:#87CEFA ;
+                }
+                .plan{
+                    background-color:#6495ED ;
+                }
+                .hours{
+                    background-color:#1E90FF ;
+                }
+                .cost{
+                    background-color:#663399 ;
+                }
+                .downtime{
+                    background-color:#9370DB ;
+                }
+                .loss{
+                    background-color:#4B0082 ;
+                }
+            </style>
+            
+                <center>
+                <table id="filters_tb">
+                    <tr>
+                        <th>Date From</th>
+                        <th>Date To</th>
+                        <th>Equipment</th>
+                        <th>Category</th>
+                        <th>Opreater</th>
+                        <th>Spare Part</th>
+                        <th>Machine Status</th>
+                    </tr>
+                    <tr>
+                        <td><span t-esc="time_from" /></td>
+                        <td><span t-esc="time_to" /> </td>
+                        <td><span t-esc="filters.get('equipment_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('category_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('user_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('spare_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('machine_status', 'ALL')" /></td>
+                    </tr>
+                </table>
+                
+                <div class="main-box-container">
+                    <div class="row">
+                        <div class="box zooba">
+                            <div class="box-title">TOTAL EQUIPMENT</div>
+                            <div class="box-content"><span t-esc="total['total_equipment']" /></div>
+                        </div>
+                        <!--div class="box total_work_order">
+                            <div class="box-title">TOTAL Requests</div>
+                            <div class="box-content"><span t-esc="total['total_orders']" /></div>
+                        </div>
+                        <div class="box total_work_order">
+                            <div class="box-title">TOTAL WORK ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_orders']" /></div>
+                        </div-->
+                        <div class="box high">
+                            <div class="box-title">HIGH PRIORITY</div>
+                            <div class="box-content"><span t-esc="total['total_high']" /></div>
+                        </div>
+                        <div class="box open">
+                            <div class="box-title">OPEN ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_open']" /></div>
+                        </div>
+                        <div class="box closed">
+                            <div class="box-title">CLOSED ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_colse']" /></div>
+                        </div>
+                        <div class="box plan">
+                            <div class="box-title">PLANNED VS UNPLANNED</div>
+                            <div class="box-content"><span t-esc="total['total_planned']" />%</div>
+                        </div>
+                        <div class="box downtime">
+                            <div class="box-title">TOTAL DOWNTIME</div>
+                            <div class="box-content"><span t-esc="total['total_downtime']" /> H</div>
+                        </div>
+                        <div class="box loss">
+                            <div class="box-title">TOTAL LOSSES</div>
+                            <br />
+                            <div class="box-content"><span t-esc="total['total_loss']" /> Units</div>
+                        </div>
+                        <div class="box cost">
+                            <div class="box-title">Repair COST</div>
+                            <div class="box-content"><span t-esc="total['total_cost']" /> SDG</div>
+                        </div> 
+                    </div>
+                </div>
+                
+                <table class="data_tb">
+                    <tr>
+                        <th>NO</th>
+                        <th>EQUIPMENT</th>
+                        <th>Vendor</th>
+                        <th>Opreater</th>
+                        <th>Category</th>
+                        <th>Corrective Maintenance</th>
+                        <th>Preventive Maintenance</th>
+                        <th>Machine Status</th>
+                        <th>Down-Time</th>
+                        <th>Losses</th>
+                        <th>Cost</th>
+                    </tr>
+                    <t t-foreach="docs" t-as="o">
+                    <tr>
+                        <td><span t-esc="o_index+1"/></td>
+                        <td><span t-esc="o['name']"/></td>
+                        <td><span t-esc="o['vendor']"/></td>
+                        <td><span t-esc="o['opreater']"/></td>
+                        <td><span t-esc="o['category']"/></td>
+                        <td><span t-esc="o['corrective']"/></td>
+                        <td><span t-esc="o['preventive']"/></td>
+                        <td><span t-esc="o['machine_status']"/></td>
+                        <td><span t-esc="o['down_time']"/></td>
+                        <td><span t-esc="o['loss']"/></td>
+                        <td><span t-esc="o['cost']"/></td>
+                    </tr>
+                    </t>
+                </table>
+                </center>
+            </t>
+        </t>
+    </template>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/reports/general_maintenance_report.py b/odex25_maintenance/maintenance_custom/reports/general_maintenance_report.py
new file mode 100644
index 000000000..120380b03
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/general_maintenance_report.py
@@ -0,0 +1,189 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, _
+
+
+def to_str(array):
+    return ",".join(str(i) for i in array)
+
+
+class GeneralMaintenanceReport(models.AbstractModel):
+    _name = 'report.maintenance_custom.general_maintenance_report'
+    @api.model
+    def _get_report_values(self, docids, data=None):
+        report_obj = self.env['ir.actions.report']
+        report = report_obj._get_report_from_name('maintenance_custom.general_maintenance_report')
+        rec_ids = data['form']['rec_ids']
+        docs = self.env.get(report.model).search([('id' , 'in', rec_ids)])
+        docargs = {
+            'doc_ids': docids,
+            'doc_model': report.model,
+            'docs': docs,
+        }
+        docargs.update(data['form'])
+        return docargs
+
+
+class SparePartReport(models.AbstractModel):
+    _name = 'report.maintenance_custom.spare_part_report'
+
+    def _get_spare_data(self,order_ids,spare_ids,spare_categ_ids):
+        cond = ""
+        if spare_ids:
+            cond += " AND spare_id in (%s)"%(to_str(spare_ids),)
+        if spare_categ_ids:
+            cond += " AND categ_id in (%s)"%(to_str(spare_categ_ids),)
+        query = '''
+            select 
+                spare_id as spare_id ,p.name as name, count(request_id) as order_count , 
+                sum(down_time) as down_time , sum(product_loss) as loss, sum(quantity * cost) as cost,
+                sum(quantity) as consume , cat.name as category
+            from maintenance_request_spare sp
+            join maintenance_request req on sp.request_id = req.id
+            join product_template p on p.id = spare_id
+            join product_category cat on cat.id = p.categ_id
+            where request_id in (%s) %s
+            group by spare_id, p.id, cat.id
+        '''%(to_str(order_ids),cond)
+        self.env.cr.execute(query)
+        res = self.env.cr.dictfetchall()
+        spare_model = self.env.get('product.template')
+        for rec in res:
+            sn = spare_model.browse(rec['spare_id']).barcode or '-'
+            qty = spare_model.browse(rec['spare_id']).qty_available
+            rec.update({'sn' : sn , 'stock' : qty})
+        return res 
+
+    @api.model
+    def _get_report_values(self, docids, data=None):
+        report_obj = self.env['ir.actions.report']
+        report = report_obj._get_report_from_name('maintenance_custom.spare_part_report')
+        rec_ids = data['form']['rec_ids']
+        spare_categ_ids = data['form']['spare_categ_ids']
+        spare_ids = data['form']['spare_ids']
+        docs = self._get_spare_data(rec_ids,spare_ids,spare_categ_ids)
+        docargs = {
+            'doc_ids': docids,
+            'doc_model': report.model,
+            'docs': docs,
+        }
+        docargs.update(data['form'])
+        return docargs
+
+class EquipmentReport(models.AbstractModel):
+    _name = 'report.maintenance_custom.equipment_report'
+
+    def _get_data(self,order_ids,equipment_ids=None,category_ids=None):
+        cond = ""
+        if equipment_ids:
+            cond += " AND eq.id in (%s)"%(to_str(equipment_ids),)
+        if category_ids:
+            cond += " AND categ.id in (%s)"%(to_str(category_ids),)
+        order_str = ','.join(str(i) for i in order_ids)
+        query = '''
+            SELECT 
+                eq.id as equipment_id , eq.name , vendor_partner.name as vendor , op_partner.name as opreater , categ.name as category,
+                sum(req.down_time) as down_time , sum(req.product_loss) as loss,
+                count(corrective.id) as corrective, count(preventive.id) as preventive
+            FROM maintenance_equipment eq
+            LEFT JOIN res_partner vendor_partner on vendor_partner.id = eq.partner_id
+            LEFT JOIN res_users users on technician_user_id = users.id
+            LEFT JOIN res_partner op_partner on users.partner_id = op_partner.id
+            LEFT JOIN maintenance_equipment_category categ on categ.id = eq.category_id
+            LEFT JOIN maintenance_request req on req.equipment_id = eq.id and req.id in (%s)
+            LEFT JOIN maintenance_request preventive on preventive.id = req.id and preventive.maintenance_type = 'preventive'
+            LEFT JOIN maintenance_request corrective on corrective.id = req.id and corrective.maintenance_type = 'corrective'
+            WHERE 1 = 1 %s
+            GROUP BY eq.id , vendor_partner.id, op_partner.id , categ.id 
+        '''%(order_str,cond)
+        self.env.cr.execute(query)
+        res = self.env.cr.dictfetchall()
+        done_stage = self.env.get('maintenance.stage').search([('stage_type', '=', 'request_done')])
+        done_ids = done_stage.ids
+        order_model = self.env.get('maintenance.request')
+        machine_status_dict = dict(
+            out_service='Out of Service',
+            part='Partially effect',
+            in_service='In Service'
+        )
+        for rec in res:
+            equipment_id = rec['equipment_id']
+            order_res = order_model.search([('equipment_id','=',equipment_id),('stage_id', 'not in', done_ids)],order='request_date')
+            machine_status = order_res and order_res[-1].machine_status or '-'
+            cost = 0
+            equ_order_res = order_model.search([('equipment_id','=',equipment_id),('id', 'in', order_ids)]).ids
+            order_spares = self.env.get('maintenance.request.spare').search([('request_id', 'in', equ_order_res)])
+            for line in order_spares:
+                cost += line.quantity * line.cost
+            rec.update({'machine_status' : machine_status_dict.get(machine_status, '-') , 'cost' : cost})
+        return res 
+
+    @api.model
+    def _get_report_values(self, docids, data=None):
+        report_obj = self.env['ir.actions.report']
+        report = report_obj._get_report_from_name('maintenance_custom.spare_part_report')
+        rec_ids = data['form']['rec_ids']
+        category_ids = data['form']['category_ids']
+        equipment_ids = data['form']['equipment_ids']
+        docs = self._get_data(rec_ids,equipment_ids,category_ids)
+        docargs = {
+            'doc_ids': docids,
+            'doc_model': report.model,
+            'docs': docs,
+        }
+        docargs.update(data['form'])
+        return docargs
+
+class TeamReport(models.AbstractModel):
+    _name = 'report.maintenance_custom.maintenance_team_report'
+
+    def _get_data(self,order_ids,employee_ids=None,department_ids=None):
+        cond = ""
+        if employee_ids:
+            cond += " AND emp.id in (%s)"%(to_str(employee_ids),)
+        if department_ids:
+            cond += " AND dep.id in (%s)"%(to_str(department_ids),)
+        query = '''
+            SELECT emp.name as name , job.name as job , dep.name as department, 
+                count(on_time.id) as on_time, count(over_due.id) as over_due,
+                sum(EXTRACT(EPOCH FROM work_hours.done_time-work_hours.start_time)/3600) as work_hours,
+                count(closed.id) as closed , count(opened.id) as opened 
+                FROM hr_employee emp
+                LEFT JOIN req_member_rel rel on rel.hr_employee_id = emp.id and rel.maintenance_request_id in (%s)
+                LEFT JOIN hr_department dep on dep.id = emp.department_id
+                LEFT JOIN hr_job job on job.id = emp.job_id
+                LEFT JOIN maintenance_request on_time on on_time.id = rel.maintenance_request_id 
+                    AND on_time.duration > 0 AND on_time.done_time <= on_time.schedule_date + interval '1' HOUR * on_time.duration
+                LEFT JOIN maintenance_request over_due on over_due.id = rel.maintenance_request_id 
+                    AND over_due.duration > 0 AND over_due.done_time > over_due.schedule_date + interval '1' HOUR * over_due.duration    
+                LEFT JOIN maintenance_request work_hours on work_hours.id = rel.maintenance_request_id 
+                LEFT JOIN maintenance_request opened on opened.id = rel.maintenance_request_id and opened.stage_id  not in (select id from maintenance_stage where stage_type = 'request_done' )
+                LEFT JOIN maintenance_request closed on closed.id = rel.maintenance_request_id and closed.stage_id  in (select id from maintenance_stage where stage_type = 'request_done' )
+                WHERE 1 = 1 %s
+            group by emp.id, job.id , dep.id
+        '''%(to_str(order_ids),cond)
+        self.env.cr.execute(query)
+        res = self.env.cr.dictfetchall()
+        for rec in res:
+            if rec.get('work_hours'):
+                rec.update({
+                    'work_hours' : round(rec['work_hours'] , 2),
+                    })
+        return res 
+
+    @api.model
+    def _get_report_values(self, docids, data=None):
+        report_obj = self.env['ir.actions.report']
+        report = report_obj._get_report_from_name('maintenance_custom.maintenance_team_report')
+        rec_ids = data['form']['rec_ids']
+        employee_ids = data['form']['employee_ids']
+        department_ids = data['form']['department_ids']
+        docs = self._get_data(rec_ids,employee_ids,department_ids)
+        docargs = {
+            'doc_ids': docids,
+            'doc_model': report.model,
+            'docs': docs,
+        }
+        docargs.update(data['form'])
+        return docargs
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/reports/general_maintenance_report.xml b/odex25_maintenance/maintenance_custom/reports/general_maintenance_report.xml
new file mode 100644
index 000000000..3ca853ca6
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/general_maintenance_report.xml
@@ -0,0 +1,270 @@
+<odoo>
+    <template id="general_maintenance_report">
+        <t t-call="web.html_container">
+        <t t-call="web.external_layout">
+            <style> 
+                body{
+                    margin: 0;
+                    width: 100%;
+                    }
+                .date_tb{
+                    display: table;
+                }
+
+                .date_th{
+                    display: table;
+                }
+                .date_tb div{
+                    display: table-cell;
+                    border-color: #888888;
+                    border: 1px solid #dee2e6;
+                    padding: 10px;
+                    min-width:30px;
+                }
+                .date_th{
+                    background-color: #dee2e6;
+                }
+                .box{
+                    padding-left: 10px;
+                    padding-right: 10px;
+                    border: 1px solid black;
+                    text-align: center;
+                    margin-top:10px;
+                    width: 150px;
+                    height: 100px;
+                    min-width: 150px;
+                    min-height: 100px;
+                    max-width: 150px;
+                    max-height: 100px;
+                    color:white;
+                    font-weight: bold;
+                }
+                .box-title{
+                    margin: 10px;
+                    font-weight: bold;
+                }
+
+                .box-content{
+                    margin: 15px;
+                    font-weight: bold;
+                }
+                
+                
+
+                .main-box-container, date_th{
+                    margin:30px;
+                }
+
+                .box-container{
+                    
+                }
+                .main-box-container .left{
+                    float: left;
+                    margin-top:10px;
+                }
+
+                .main-box-container .right{
+                    margin-left:300px;
+               }
+               .main-box-container .row{
+                   display: table;
+                   border-spacing: 20px;
+               }
+
+               .main-box-container .row .box{
+                   display: table-cell;
+               }
+               
+                .data_tb{
+                    text-align:center;
+                }
+                .data_tb th, #filters_tb th{
+                    background-color: #dee2e6;
+                }
+
+                .data_tb td , .data_tb th{
+                    border-color: #888888;
+                    border: 1px solid black;
+                    padding: 10px;
+                    min-width:30px;
+                    
+                }
+
+                #filters_tb, #filters_tb th,  #filters_tb td{
+                    border: 1px solid black;
+                    text-align : center;
+                    padding : 15px;
+                }
+
+                #filters_tb th, #filters_tb td{
+                    min-width: 150px;
+                    max-width: 150px;
+                }
+
+                .zooba{
+                    background-color:#66CDAA;
+                    
+                }
+
+                .over{
+                    background-color:#DC143C;
+                }
+
+                .high{
+                    background-color:red;
+                }
+                .open{
+                    background-color:#FFD700;
+                }
+                .closed{
+                    background-color:#228B22 ;
+                }
+                .total_work_order{
+                    background-color:#87CEFA ;
+                }
+                .plan{
+                    background-color:#6495ED ;
+                }
+                .hours{
+                    background-color:#1E90FF ;
+                }
+                .cost{
+                    background-color:#663399 ;
+                }
+                .downtime{
+                    background-color:#9370DB ;
+                }
+                .loss{
+                    background-color:#4B0082 ;
+                }
+            </style>
+            
+                <center>
+                <table id="filters_tb">
+                    <tr>
+                        <th>Date From</th>
+                        <th>Date To</th>
+                        <th>Equipment</th>
+                        <th>Category</th>
+                        <th>FAILURE TYPE</th>
+                        <th>Supervisor</th>
+                        <th>Team Member</th>
+                        <th>Team Type</th>
+                        <th>Spare Part</th>
+                        <th>Machine Status</th>
+                    </tr>
+                    <tr>
+                        <td><span t-esc="time_from" /></td>
+                        <td><span t-esc="time_to" /> </td>
+                        <td><span t-esc="filters.get('equipment_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('category_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('failure_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('user_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('employee_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('team_type', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('spare_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('machine_status', 'ALL')" /></td>
+                    </tr>
+                </table>
+                
+                <div class="main-box-container">
+                <div class="">
+                    <div class="row">
+                        <div class="box zooba">
+                            <div class="box-title">TOTAL EQUIPMENT</div>
+                            <div class="box-content"><span t-esc="total['total_equipment']" /></div>
+                        </div>
+                        <div class="box total_work_order">
+                            <div class="box-title">TOTAL WORK ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_orders']" /></div>
+                        </div>
+                        <div class="box closed">
+                            <div class="box-title">CLOSED ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_colse']" /></div>
+                        </div>
+                        <div class="box open">
+                            <div class="box-title">OPEN ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_open']" /></div>
+                        </div>
+                        <div class="box over">
+                            <div class="box-title">OVER DUUE TASKS</div>
+                            <div class="box-content"><span t-esc="total['total_over_due']" /></div>
+                        </div>
+                        <div class="box high">
+                            <div class="box-title">HIGH PRIORITY</div>
+                            <div class="box-content"><span t-esc="total['total_high']" /></div>
+                        </div>
+                    </div>
+                    <div class="row">
+                        <div class="box zooba">
+                            <div class="box-title"><br />TOTAL STAFF<br /> </div>
+                            <div class="box-content"><span t-esc="total['total_members']" /></div>
+                        </div>
+                        <div class="box plan">
+                            <div class="box-title">PLANNED VS UNPLANNED</div>
+                            <div class="box-content"><span t-esc="total['total_planned']" /></div>
+                        </div>
+                        <div class="box hours">
+                            <div class="box-title"> WORKING HOURS</div>
+                            <div class="box-content"><span t-esc="total['total_working_hours']" />H</div>
+                        </div>
+                        <div class="box cost">
+                            <div class="box-title"><br />REPAIR COST<br />  </div>
+                            <div class="box-content"><span t-esc="total['total_cost']" /> SDG</div>
+                        </div>
+                        <div class="box downtime">
+                            <div class="box-title">TOTAL DOWNTIME</div>
+                            <div class="box-content"><span t-esc="total['total_downtime']" /> H</div>
+                        </div>
+                        <div class="box loss">
+                            <div class="box-title"><br />TOTAL LOSSES <br /> </div>
+                            <div class="box-content"><span t-esc="total['total_loss']" /> Unit</div>
+                        </div>
+                    </div>
+                </div>
+                </div>
+                
+                <table class="data_tb">
+                    <tr>
+                        <th>JOB NO</th>
+                        <th>DATE</th>
+                        <th>EQUIPMENT</th>
+                        <th>TITLE</th>
+                        <th>MAINTENANCE Type</th>
+                        <th>FAILURE TYPE</th>
+                        <th>PRIORITY</th>
+                        <th>ASSIGN STAFF</th>
+                        <th>TEAM</th>
+                        <th>MAN POWER</th>
+                        <th>Machine Status</th>
+                        <th>Down-Time</th>
+                        <th>LOSSES</th>
+                        <th>WORK Stage</th>
+                    </tr>
+                    <t t-foreach="docs" t-as="o">
+                    <tr>
+                        <td><span t-field="o.code"/></td>
+                        <td><span t-field="o.request_date"/></td>
+                        <td><span t-field="o.equipment_id.name"/></td>
+                        <td><span t-field="o.name"/></td>
+                        <td><span t-field="o.maintenance_type"/></td>
+                        <td><span t-field="o.failure_id.name"/></td>
+                        <td><span t-field="o.priority"/></td>
+                        <td><span t-field="o.user_id.name"/></td>
+                        <td>
+                            <span t-if="o.team_type=='in'"><span t-field="o.team_type"/></span>
+                            <span t-if="o.team_type=='out'"><span t-field="o.out_entity_id.name"/></span>
+                        </td>
+                        <td><span t-esc="len(o.employee_ids.ids)" /></td>
+                        <td><span t-field="o.machine_status"/></td>
+                        <td><span t-field="o.down_time"/></td>
+                        <td><span t-field="o.product_loss"/></td>
+                        <td><span t-field="o.stage_id.name"/></td>
+                    </tr>
+                    </t>
+                </table>
+                </center>
+            </t>
+        </t>
+    </template>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/reports/maintenance_report.xml b/odex25_maintenance/maintenance_custom/reports/maintenance_report.xml
new file mode 100644
index 000000000..c665ba01c
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/maintenance_report.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <report id="action_report_maintenance" 
+			model="maintenance.request"
+			string="Maintenance Form"
+			report_type="qweb-pdf" 
+			name="maintenance_custom.report_maintenance_request"
+		 />
+
+		 <report id="action_general_maintenance_report" 
+			model="maintenance.request"
+			string="General Maintenance"
+			report_type="qweb-pdf" 
+			name="maintenance_custom.general_maintenance_report"
+			menu="False"
+		 />
+
+		 <report id="action_spare_part_report" 
+			model="maintenance.request"
+			string="Spare Parts"
+			report_type="qweb-pdf" 
+			name="maintenance_custom.spare_part_report"
+			menu="False"
+		 />
+
+		 <report id="action_equipment_report" 
+			model="maintenance.request"
+			string="Equipment"
+			report_type="qweb-pdf" 
+			name="maintenance_custom.equipment_report"
+			menu="False"
+		 />
+
+		 <report id="action_maintenance_team_report" 
+			model="maintenance.request"
+			string="Maintenance Team"
+			report_type="qweb-pdf" 
+			name="maintenance_custom.maintenance_team_report"
+			menu="False"
+		 />
+
+    </data>
+</odoo>
diff --git a/odex25_maintenance/maintenance_custom/reports/maintenance_team_report.xml b/odex25_maintenance/maintenance_custom/reports/maintenance_team_report.xml
new file mode 100644
index 000000000..79a9900c0
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/maintenance_team_report.xml
@@ -0,0 +1,210 @@
+<odoo>
+    <template id="maintenance_team_report">
+        <t t-call="web.html_container">
+        <t t-call="web.external_layout">
+            <style> 
+                body{
+                    margin: 0;
+                    width: 100%;
+                    }
+                .date_tb{
+                    display: table;
+                }
+
+                .date_th{
+                    display: table;
+                }
+                .date_tb div{
+                    display: table-cell;
+                    border-color: #888888;
+                    border: 1px solid #dee2e6;
+                    padding: 10px;
+                    min-width:30px;
+                }
+                .date_th{
+                    background-color: #dee2e6;
+                }
+                .box{
+                    padding-left: 10px;
+                    padding-right: 10px;
+                    border: 1px solid black;
+                    text-align: center;
+                    margin-top:10px;
+                    width: 150px;
+                    height: 100px;
+                    min-width: 150px;
+                    min-height: 100px;
+                    max-width: 150px;
+                    max-height: 100px;
+                    color:white;
+                    font-weight:bold;
+                }
+                .box-title{
+                    margin: 10px;
+                }
+
+                .box-content{
+                    margin: 15px;
+                }
+                
+                
+
+                .main-box-container, date_th{
+                    margin:30px;
+                }
+
+                .box-container{
+                    
+                }
+                .main-box-container .left{
+                    float: left;
+                    margin-top:10px;
+                }
+
+                .main-box-container .right{
+                    margin-left:300px;
+               }
+               .main-box-container .row{
+                   display: table;
+                   border-spacing: 20px;
+               }
+
+               .main-box-container .row .box{
+                   display: table-cell;
+               }
+               
+                .data_tb{
+                    text-align:center;
+                }
+                .data_tb th, #filters_tb th{
+                    background-color: #dee2e6;
+                }
+
+                .data_tb td , .data_tb th{
+                    border-color: #888888;
+                    border: 1px solid black;
+                    padding: 10px;
+                    min-width:30px;
+                    
+                }
+
+                #filters_tb, #filters_tb th,  #filters_tb td{
+                    border: 1px solid black;
+                    text-align : center;
+                    padding : 15px;
+                }
+
+                #filters_tb th, #filters_tb td{
+                    min-width: 150px;
+                    max-width: 150px;
+                }
+
+                .zooba{
+                    background-color:#66CDAA;
+                    
+                }
+
+                .over{
+                    background-color:#DC143C;
+                }
+
+                .high{
+                    background-color:red;
+                }
+                .open{
+                    background-color:#FFD700;
+                }
+                .closed{
+                    background-color:#228B22 ;
+                }
+                .total_work_order{
+                    background-color:#87CEFA ;
+                }
+                .plan{
+                    background-color:#6495ED ;
+                }
+                .hours{
+                    background-color:#1E90FF ;
+                }
+                .cost{
+                    background-color:#663399 ;
+                }
+                .downtime{
+                    background-color:#9370DB ;
+                }
+                .loss{
+                    background-color:#4B0082 ;
+                }
+            </style>
+            
+                <center>
+                <table id="filters_tb">
+                    <tr>
+                        <th>Date From</th>
+                        <th>Date To</th>
+                        <th>Departments</th>
+                    </tr>
+                    <tr>
+                        <td><span t-esc="time_from" /></td>
+                        <td><span t-esc="time_to" /> </td>
+                        <td><span t-esc="filters.get('department_id', 'ALL')" /></td>
+                    </tr>
+                </table>
+                
+                <div class="main-box-container">
+                    <div class="row">
+                        <div class="box zooba">
+                            <div class="box-title">TOTAL Tasks</div>
+                            <br />
+                            <div class="box-content"><span t-esc="total['total_orders']" /></div>
+                        </div>
+                        <div class="box open">
+                            <div class="box-title">OPEN ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_open']" /></div>
+                        </div>
+                        <!--div class="box closed">
+                            <div class="box-title">DONE ON TIME</div>
+                            <div class="box-content">22</div>
+                        </div-->
+                        <div class="box over">
+                            <div class="box-title">OVER DUE TASKS</div>
+                            <div class="box-content"><span t-esc="total['over_due_percentage']" />%</div>
+                        </div>
+                        <div class="box cost">
+                            <div class="box-title">WORKING HOURS</div>
+                            <div class="box-content"><span t-esc="total['total_working_hours']" /> H</div>
+                        </div> 
+                    </div>
+                </div>
+                
+                <table class="data_tb">
+                    <tr>
+                        <th>NO</th>
+                        <th>NAME</th>
+                        <th>POSITION</th>
+                        <th>DEPARMENT</th>
+                        <th>OPENNED TASKS</th>
+                        <th>CLOSED TASKS</th>
+                        <th>ON-TIME</th>
+                        <th>OVERDUE</th>
+                        <th>WORKING HOURS</th>
+                    </tr>
+                    <t t-foreach="docs" t-as="o">
+                    <tr>
+                        <td><span t-esc="o_index+1"/></td>
+                        <td><span t-esc="o['name']"/></td>
+                        <td><span t-esc="o['job']"/></td>
+                        <td><span t-esc="o['department']"/></td>
+                        <td><span t-esc="o['opened']"/></td>
+                        <td><span t-esc="o['closed']"/></td>
+                        <td><span t-esc="o['on_time']"/></td>
+                        <td><span t-esc="o['over_due']"/></td>
+                        <td><span t-esc="o['work_hours']"/></td>
+                    </tr>
+                    </t>
+                </table>
+                </center>
+            </t>
+        </t>
+    </template>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/reports/report_maintenance_request.xml b/odex25_maintenance/maintenance_custom/reports/report_maintenance_request.xml
new file mode 100644
index 000000000..bb481ab71
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/report_maintenance_request.xml
@@ -0,0 +1,160 @@
+<odoo>
+<template id="report_maintenance_request">
+    <t t-call="web.html_container">
+        <t t-foreach="docs" t-as="o">
+            <t t-call="web.external_layout">
+                <style> 
+
+                    td, th{
+                        padding:5px;
+                    }
+
+                    table{
+                        border: 1px solid black;
+                        text-align:center;
+                        margin-bottom:40px;
+
+                    }
+                    th{
+                        background-color:cadetblue;
+                        
+
+                    }
+
+
+                    th,td{
+                        border: 1px solid black;
+                        min-width:80px;
+                        min-height:20px;
+                        height:20px;
+                    }
+
+                    #failure_tb th ,  #repair_tb th , #down_tb th , #manager_tb th {
+                        word-wrap: break-word;
+                        min-width:30px;
+                        max-width:60px;
+                    }
+
+                    #repair_tb th  {
+                        word-wrap: break-word;
+                        min-width:30px;
+                        max-width:100px;
+                    }
+                </style>
+                <center>
+                    <div class="page">
+                        <h1>Failure report</h1>
+                        <table width="90%" height="100%">
+                            <tr>
+                                <th colspan="8">REQUEST INFORMATION</th>
+                            </tr>
+                            <tr>
+                                <th>REQUESTER</th><td colspan="2"><span t-field="o.employee_id.name"/></td>
+                                <th>REQUEST NO</th><td colspan="1"><span t-field="o.code"/></td>
+                                <th>DATE/TIME</th><td colspan="2"><span t-field="o.request_date"/></td>
+                            </tr>
+                            <tr>
+                                <th >EQUIPMENT</th><td colspan="2"><span t-field="o.equipment_id.name"/></td>
+                                <th>EQUIPMENT CONDITION</th><td colspan="4"></td>
+                            </tr>
+                        </table>
+                        <span t-if="o.maintenance_type=='corrective'">
+                        <table width="90%" height="100%" id="failure_tb">
+                            <tr>
+                                <th colspan="8">FAILURE</th>
+                            </tr>
+                            <tr>
+                                <th>FAILURE TYPE</th><td colspan="2"><span t-field="o.failure_id.name"/></td>
+                                <th>FAILED COMPONANT</th><td colspan="4"></td>
+                            </tr>
+                            <tr>
+                                <th>FAILURE CAUSE</th><td colspan="7"><span t-field="o.failure_cause_id.name"/></td>
+                            </tr>
+                            <tr>
+                                <th>HOW FAILURE WAS DETECTED</th><td colspan="7"></td>
+                            </tr>
+                        </table>
+
+                        <table width="90%" height="100%" id="repair_tb">
+                            <tr>
+                                <th colspan="8">REPAIRING AND CORRECTION ACTION</th>
+                            </tr>
+                            <tr height="120px">
+                                <th>CORRECTION ACTION</th>
+                                <td colspan="8"><span t-field="o.maintenance_work"/></td>
+                            </tr>
+                            <tr>
+                                <th>REPAIR COMPLATE DATE AND TIME</th>
+                                <td><span t-field="o.done_time"/></td>
+                                <th>REPAIR DURATION</th>
+                                <td><span t-field="o.duration"/></td>
+                                <th>EQUIPMENT CONDITION</th>
+                                <td></td>
+                            </tr>
+                        </table>
+
+                        <table width="90%" height="100%" id="down_tb">
+                            <tr>
+                                <th colspan="8">DOWNTIME AND LOSSES</th>
+                            </tr>
+                            <tr>
+                                <th>DOWNTIME</th>
+                                <td colspan="3"><span t-field="o.down_time"/></td>
+                                <th>LOSSES OF PRODUCTION</th>
+                                <td colspan="3"><span t-field="o.product_loss"/></td>
+                            </tr>
+                        </table>
+                        </span>
+                        <span t-if="o.maintenance_type=='preventive'">
+                            <table width="90%" height="100%" id="down_tb">
+                                <tr>
+                                    <th colspan="8">Tasks Details</th>
+                                </tr>
+                                <tr>
+                                    <th>Task Title</th>
+                                    <th>Employee</th>
+                                    <th>Executing Time</th>
+                                    <th>Duration</th>
+                                    <th>Status</th>
+                                </tr>
+                                <t t-foreach="o.task_ids" t-as="t">
+                                    <tr>
+                                        <td><span t-field="t.name"/></td>
+                                        <td><span t-field="t.employee_id.name"/></td>
+                                        <td><span t-field="t.time"/></td>
+                                        <td><span t-field="t.duration"/></td>
+                                        <td>
+                                            <span t-if="t.is_done">Done</span>
+                                            <span t-else="" >Pending</span>
+                                        </td>
+                                    </tr>
+                                </t>
+                                <span t-if="len(o.task_ids) &lt; 3">
+                                <t t-foreach="range(3-len(o.task_ids))" t-as="i">
+                                <tr>
+                                    <td>   </td>
+                                    <td>  </td>
+                                    <td>  </td>
+                                    <td>  </td>
+                                    <td>  </td>
+                                </tr>
+                                </t>
+                                </span>
+                            </table>
+                        </span>
+                        <table width="90%" height="100%" id="manager_tb">
+                            <tr>
+                                <th>SUPERVISOR</th>
+                                <td colspan="3"><span t-field="o.user_id"/></td>
+                                <th>MANAGER</th>
+                                <td colspan="3">Administrator</td>
+                            </tr>
+                        </table>
+
+                    </div>                    
+                </center>
+            </t>
+        </t>
+    </t>
+</template>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/reports/spare_part_report.xml b/odex25_maintenance/maintenance_custom/reports/spare_part_report.xml
new file mode 100644
index 000000000..dfb40253c
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/reports/spare_part_report.xml
@@ -0,0 +1,218 @@
+<odoo>
+    <template id="spare_part_report">
+        <t t-call="web.html_container">
+        <t t-call="web.external_layout">
+            <style> 
+                body{
+                    margin: 0;
+                    width: 100%;
+                    }
+                .date_tb{
+                    display: table;
+                }
+
+                .date_th{
+                    display: table;
+                }
+                .date_tb div{
+                    display: table-cell;
+                    border-color: #888888;
+                    border: 1px solid #dee2e6;
+                    padding: 10px;
+                    min-width:30px;
+                }
+                .date_th{
+                    background-color: #dee2e6;
+                }
+                .box{
+                    padding-left: 10px;
+                    padding-right: 10px;
+                    border: 1px solid black;
+                    text-align: center;
+                    margin-top:10px;
+                    width: 150px;
+                    height: 100px;
+                    min-width: 150px;
+                    min-height: 100px;
+                    max-width: 150px;
+                    max-height: 100px;
+                    color:white;
+                    font-weight:bold;
+                }
+                .box-title{
+                    margin: 10px;
+                }
+
+                .box-content{
+                    margin: 15px;
+                }
+                
+                
+
+                .main-box-container, date_th{
+                    margin:30px;
+                }
+
+                .box-container{
+                    
+                }
+                .main-box-container .left{
+                    float: left;
+                    margin-top:10px;
+                }
+
+                .main-box-container .right{
+                    margin-left:300px;
+               }
+               .main-box-container .row{
+                   display: table;
+                   border-spacing: 20px;
+               }
+
+               .main-box-container .row .box{
+                   display: table-cell;
+               }
+               
+                .data_tb{
+                    text-align:center;
+                }
+                .data_tb th, #filters_tb th{
+                    background-color: #dee2e6;
+                }
+
+                .data_tb td , .data_tb th{
+                    border-color: #888888;
+                    border: 1px solid black;
+                    padding: 10px;
+                    min-width:100px;
+                    
+                }
+
+                #filters_tb, #filters_tb th,  #filters_tb td{
+                    border: 1px solid black;
+                    text-align : center;
+                    padding : 15px;
+                }
+
+                #filters_tb th, #filters_tb td{
+                    min-width: 150px;
+                    max-width: 150px;
+                }
+
+                .zooba{
+                    background-color:#66CDAA;
+                    
+                }
+
+                .over{
+                    background-color:#DC143C;
+                }
+
+                .high{
+                    background-color:red;
+                }
+                .open{
+                    background-color:#FFD700;
+                }
+                .closed{
+                    background-color:#228B22 ;
+                }
+                .total_work_order{
+                    background-color:#87CEFA ;
+                }
+                .plan{
+                    background-color:#6495ED ;
+                }
+                .hours{
+                    background-color:#1E90FF ;
+                }
+                .cost{
+                    background-color:#663399 ;
+                }
+                .downtime{
+                    background-color:#9370DB ;
+                }
+                .loss{
+                    background-color:#4B0082 ;
+                }
+            </style>
+                <center>
+                <table id="filters_tb">
+                    <tr>
+                        <th>Date From</th>
+                        <th>Date To</th>
+                        <th>Spare Part</th>
+                        <th>Category</th>
+                        <th>Equipment</th>
+                    </tr>
+                    <tr>
+                        <td><span t-esc="time_from" /></td>
+                        <td><span t-esc="time_to" /> </td>
+                        <td><span t-esc="filters.get('spare_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('spare_categ_id', 'ALL')" /></td>
+                        <td><span t-esc="filters.get('equipment_id', 'ALL')" /></td>
+                    </tr>
+                </table>
+                
+                <div class="main-box-container">
+                    <div class="row">
+                        <div class="box zooba">
+                            <div class="box-title">TOTAL EQUIPMENT</div>
+                            <div class="box-content"><span t-esc="total['total_equipment']" /></div>
+                        </div>
+                        <div class="box total_work_order">
+                            <div class="box-title">TOTAL WORK ORDERS</div>
+                            <div class="box-content"><span t-esc="total['total_orders']" /></div>
+                        </div>
+                        <div class="box high">
+                            <div class="box-title">HIGH PRIORITY</div>
+                            <div class="box-content"><span t-esc="total['total_high']" /></div>
+                        </div>
+                       <div class="box downtime">
+                            <div class="box-title">TOTAL DOWNTIME</div>
+                            <div class="box-content"><span t-esc="total['total_downtime']" />  H</div>
+                        </div>
+                        <div class="box loss">
+                            <div class="box-title">TOTAL LOSSES</div>
+                            <div class="box-content"><span t-esc="total['total_loss']" /> </div>
+                        </div>
+                        <div class="box cost">
+                            <div class="box-title">Repair COST</div>
+                            <div class="box-content"><span t-esc="total['total_cost']" /> SDG</div>
+                        </div>
+                    </div>
+                </div>
+                
+                <table class="data_tb">
+                    <tr>
+                        <th>NO</th>
+                        <th>PART</th>
+                        <th>S/N</th>
+                        <th>CATEGORY</th>
+                        <th>CONSUMPTION</th>
+                        <th>STOCK</th>
+                        <th>NO. OF WORK ORDER</th>
+                        <th>Down-Time</th>
+                        <th>LOSSES</th>
+                        <th>COST</th>
+                    </tr>
+                    <t t-foreach="docs" t-as="o">
+                    <tr>
+                        <td><span t-esc="o_index+1"/></td>
+                        <td><span t-esc="o['name']"/></td>
+                        <td><span t-esc="o['sn']"/></td>
+                        <td><span t-esc="o['category']"/></td>
+                        <td><span t-esc="o['consume']"/></td>
+                        <td><span t-esc="o['stock']"/></td>
+                        <td><span t-esc="o['order_count']"/></td>
+                        <td><span t-esc="o['down_time']"/></td>
+                        <td><span t-esc="o['loss']"/></td>
+                        <td><span t-esc="o['cost']"/></td>
+                    </tr>
+                    </t>
+                </table>
+                </center>
+            </t>
+        </t>
+    </template>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/security/groups.xml b/odex25_maintenance/maintenance_custom/security/groups.xml
new file mode 100644
index 000000000..2022d7105
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/security/groups.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <record id="maintenance_order_stage_visibility_stage_group" model="res.groups">
+            <field name="name">Maintenance Order Acceptation</field>
+        </record>
+        <record id="request_order_stage" model="res.groups">
+            <field name="name">Request Order Acceptation</field>
+        </record>
+        <record id="maintenance_order_done" model="res.groups">
+            <field name="name">Maintenance Order Done</field>
+        </record>
+        <record id="maintenance_order_stage_cancel_visibility_stage_group" model="res.groups">
+            <field name="name">Maintenance Order Cancel</field>
+        </record>
+        <record id="maintenance_order_set_to_draft" model="res.groups">
+            <field name="name">Maintenance Order ٍSet To Draft</field>
+        </record>
+    </data>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/security/ir.model.access.csv b/odex25_maintenance/maintenance_custom/security/ir.model.access.csv
new file mode 100644
index 000000000..d9e89a215
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/security/ir.model.access.csv
@@ -0,0 +1,19 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_equipment_job,equipment.job.user,model_maintenance_equipment_job,base.group_user,1,0,0,0
+access_equipment_job_admin_user,equipment.job.admin.user,model_maintenance_equipment_job,maintenance.group_equipment_manager,1,1,1,1
+access_equipments_jobs,equipments.jobs,model_maintenance_equipments_jobs,,1,1,1,1
+access_equipment_task,equipment.task.user,model_maintenance_equipment_task,base.group_user,1,0,0,0
+access_equipment_task_admin_user,equipment.task.admin.user,model_maintenance_equipment_task,maintenance.group_equipment_manager,1,1,1,1
+access_request_task,request.task.user,model_maintenance_request_task,base.group_user,1,0,0,0
+access_request_task_admin_user,request.task.admin.user,model_maintenance_request_task,maintenance.group_equipment_manager,1,1,1,1
+access_maintenance_rootfailure,access_maintenance_rootfailure,model_maintenance_rootfailure,base.group_user,1,0,0,0
+access_maintenance_rootfailure_admin,access_maintenance_rootfailure,model_maintenance_rootfailure,maintenance.group_equipment_manager,1,1,1,1
+access_maintenance_report_wiz,access_maintenance_report_wiz,model_maintenance_report_wiz,base.group_user,1,1,1,1
+access_maintenance_failure,access_maintenance_failure,model_maintenance_failure,base.group_user,1,0,0,0
+access_maintenance_failure_admin,access_maintenance_failure_admin,model_maintenance_failure,maintenance.group_equipment_manager,1,1,1,1
+access_maintenance_req_spare,access_maintenance_req_spare,model_maintenance_request_spare,base.group_user,1,0,0,0
+access_maintenance_req_spare_admin,access_maintenance_req_spare_admin,model_maintenance_request_spare,maintenance.group_equipment_manager,1,1,1,1
+access_maintenance_summary,maintenance_summary_user,model_maintenance_summary,base.group_user,1,0,0,0
+access_maintenance_matrial,maintenance_matrial_user,model_matrial_line,base.group_user,1,1,1,1
+access_checklist_line,maintenance_checklist_line,model_checklist_line,base.group_user,1,1,1,1
+access_equipment_locations,equipment_locations,model_equipment_locations,,1,1,1,1
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/Chart.bundle.js b/odex25_maintenance/maintenance_custom/static/src/js/Chart.bundle.js
new file mode 100644
index 000000000..b5e956c38
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/Chart.bundle.js
@@ -0,0 +1,20776 @@
+/*!
+ * Chart.js v2.9.4
+ * https://www.chartjs.org
+ * (c) 2020 Chart.js Contributors
+ * Released under the MIT License
+ */
+(function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+typeof define === 'function' && define.amd ? define(factory) :
+(global = global || self, global.Chart = factory());
+}(this, (function () { 'use strict';
+
+var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+
+function commonjsRequire () {
+	throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs');
+}
+
+function createCommonjsModule(fn, module) {
+	return module = { exports: {} }, fn(module, module.exports), module.exports;
+}
+
+function getCjsExportFromNamespace (n) {
+	return n && n['default'] || n;
+}
+
+var colorName = {
+	"aliceblue": [240, 248, 255],
+	"antiquewhite": [250, 235, 215],
+	"aqua": [0, 255, 255],
+	"aquamarine": [127, 255, 212],
+	"azure": [240, 255, 255],
+	"beige": [245, 245, 220],
+	"bisque": [255, 228, 196],
+	"black": [0, 0, 0],
+	"blanchedalmond": [255, 235, 205],
+	"blue": [0, 0, 255],
+	"blueviolet": [138, 43, 226],
+	"brown": [165, 42, 42],
+	"burlywood": [222, 184, 135],
+	"cadetblue": [95, 158, 160],
+	"chartreuse": [127, 255, 0],
+	"chocolate": [210, 105, 30],
+	"coral": [255, 127, 80],
+	"cornflowerblue": [100, 149, 237],
+	"cornsilk": [255, 248, 220],
+	"crimson": [220, 20, 60],
+	"cyan": [0, 255, 255],
+	"darkblue": [0, 0, 139],
+	"darkcyan": [0, 139, 139],
+	"darkgoldenrod": [184, 134, 11],
+	"darkgray": [169, 169, 169],
+	"darkgreen": [0, 100, 0],
+	"darkgrey": [169, 169, 169],
+	"darkkhaki": [189, 183, 107],
+	"darkmagenta": [139, 0, 139],
+	"darkolivegreen": [85, 107, 47],
+	"darkorange": [255, 140, 0],
+	"darkorchid": [153, 50, 204],
+	"darkred": [139, 0, 0],
+	"darksalmon": [233, 150, 122],
+	"darkseagreen": [143, 188, 143],
+	"darkslateblue": [72, 61, 139],
+	"darkslategray": [47, 79, 79],
+	"darkslategrey": [47, 79, 79],
+	"darkturquoise": [0, 206, 209],
+	"darkviolet": [148, 0, 211],
+	"deeppink": [255, 20, 147],
+	"deepskyblue": [0, 191, 255],
+	"dimgray": [105, 105, 105],
+	"dimgrey": [105, 105, 105],
+	"dodgerblue": [30, 144, 255],
+	"firebrick": [178, 34, 34],
+	"floralwhite": [255, 250, 240],
+	"forestgreen": [34, 139, 34],
+	"fuchsia": [255, 0, 255],
+	"gainsboro": [220, 220, 220],
+	"ghostwhite": [248, 248, 255],
+	"gold": [255, 215, 0],
+	"goldenrod": [218, 165, 32],
+	"gray": [128, 128, 128],
+	"green": [0, 128, 0],
+	"greenyellow": [173, 255, 47],
+	"grey": [128, 128, 128],
+	"honeydew": [240, 255, 240],
+	"hotpink": [255, 105, 180],
+	"indianred": [205, 92, 92],
+	"indigo": [75, 0, 130],
+	"ivory": [255, 255, 240],
+	"khaki": [240, 230, 140],
+	"lavender": [230, 230, 250],
+	"lavenderblush": [255, 240, 245],
+	"lawngreen": [124, 252, 0],
+	"lemonchiffon": [255, 250, 205],
+	"lightblue": [173, 216, 230],
+	"lightcoral": [240, 128, 128],
+	"lightcyan": [224, 255, 255],
+	"lightgoldenrodyellow": [250, 250, 210],
+	"lightgray": [211, 211, 211],
+	"lightgreen": [144, 238, 144],
+	"lightgrey": [211, 211, 211],
+	"lightpink": [255, 182, 193],
+	"lightsalmon": [255, 160, 122],
+	"lightseagreen": [32, 178, 170],
+	"lightskyblue": [135, 206, 250],
+	"lightslategray": [119, 136, 153],
+	"lightslategrey": [119, 136, 153],
+	"lightsteelblue": [176, 196, 222],
+	"lightyellow": [255, 255, 224],
+	"lime": [0, 255, 0],
+	"limegreen": [50, 205, 50],
+	"linen": [250, 240, 230],
+	"magenta": [255, 0, 255],
+	"maroon": [128, 0, 0],
+	"mediumaquamarine": [102, 205, 170],
+	"mediumblue": [0, 0, 205],
+	"mediumorchid": [186, 85, 211],
+	"mediumpurple": [147, 112, 219],
+	"mediumseagreen": [60, 179, 113],
+	"mediumslateblue": [123, 104, 238],
+	"mediumspringgreen": [0, 250, 154],
+	"mediumturquoise": [72, 209, 204],
+	"mediumvioletred": [199, 21, 133],
+	"midnightblue": [25, 25, 112],
+	"mintcream": [245, 255, 250],
+	"mistyrose": [255, 228, 225],
+	"moccasin": [255, 228, 181],
+	"navajowhite": [255, 222, 173],
+	"navy": [0, 0, 128],
+	"oldlace": [253, 245, 230],
+	"olive": [128, 128, 0],
+	"olivedrab": [107, 142, 35],
+	"orange": [255, 165, 0],
+	"orangered": [255, 69, 0],
+	"orchid": [218, 112, 214],
+	"palegoldenrod": [238, 232, 170],
+	"palegreen": [152, 251, 152],
+	"paleturquoise": [175, 238, 238],
+	"palevioletred": [219, 112, 147],
+	"papayawhip": [255, 239, 213],
+	"peachpuff": [255, 218, 185],
+	"peru": [205, 133, 63],
+	"pink": [255, 192, 203],
+	"plum": [221, 160, 221],
+	"powderblue": [176, 224, 230],
+	"purple": [128, 0, 128],
+	"rebeccapurple": [102, 51, 153],
+	"red": [255, 0, 0],
+	"rosybrown": [188, 143, 143],
+	"royalblue": [65, 105, 225],
+	"saddlebrown": [139, 69, 19],
+	"salmon": [250, 128, 114],
+	"sandybrown": [244, 164, 96],
+	"seagreen": [46, 139, 87],
+	"seashell": [255, 245, 238],
+	"sienna": [160, 82, 45],
+	"silver": [192, 192, 192],
+	"skyblue": [135, 206, 235],
+	"slateblue": [106, 90, 205],
+	"slategray": [112, 128, 144],
+	"slategrey": [112, 128, 144],
+	"snow": [255, 250, 250],
+	"springgreen": [0, 255, 127],
+	"steelblue": [70, 130, 180],
+	"tan": [210, 180, 140],
+	"teal": [0, 128, 128],
+	"thistle": [216, 191, 216],
+	"tomato": [255, 99, 71],
+	"turquoise": [64, 224, 208],
+	"violet": [238, 130, 238],
+	"wheat": [245, 222, 179],
+	"white": [255, 255, 255],
+	"whitesmoke": [245, 245, 245],
+	"yellow": [255, 255, 0],
+	"yellowgreen": [154, 205, 50]
+};
+
+var conversions = createCommonjsModule(function (module) {
+/* MIT license */
+
+
+// NOTE: conversions should only return primitive values (i.e. arrays, or
+//       values that give correct `typeof` results).
+//       do not use box values types (i.e. Number(), String(), etc.)
+
+var reverseKeywords = {};
+for (var key in colorName) {
+	if (colorName.hasOwnProperty(key)) {
+		reverseKeywords[colorName[key]] = key;
+	}
+}
+
+var convert = module.exports = {
+	rgb: {channels: 3, labels: 'rgb'},
+	hsl: {channels: 3, labels: 'hsl'},
+	hsv: {channels: 3, labels: 'hsv'},
+	hwb: {channels: 3, labels: 'hwb'},
+	cmyk: {channels: 4, labels: 'cmyk'},
+	xyz: {channels: 3, labels: 'xyz'},
+	lab: {channels: 3, labels: 'lab'},
+	lch: {channels: 3, labels: 'lch'},
+	hex: {channels: 1, labels: ['hex']},
+	keyword: {channels: 1, labels: ['keyword']},
+	ansi16: {channels: 1, labels: ['ansi16']},
+	ansi256: {channels: 1, labels: ['ansi256']},
+	hcg: {channels: 3, labels: ['h', 'c', 'g']},
+	apple: {channels: 3, labels: ['r16', 'g16', 'b16']},
+	gray: {channels: 1, labels: ['gray']}
+};
+
+// hide .channels and .labels properties
+for (var model in convert) {
+	if (convert.hasOwnProperty(model)) {
+		if (!('channels' in convert[model])) {
+			throw new Error('missing channels property: ' + model);
+		}
+
+		if (!('labels' in convert[model])) {
+			throw new Error('missing channel labels property: ' + model);
+		}
+
+		if (convert[model].labels.length !== convert[model].channels) {
+			throw new Error('channel and label counts mismatch: ' + model);
+		}
+
+		var channels = convert[model].channels;
+		var labels = convert[model].labels;
+		delete convert[model].channels;
+		delete convert[model].labels;
+		Object.defineProperty(convert[model], 'channels', {value: channels});
+		Object.defineProperty(convert[model], 'labels', {value: labels});
+	}
+}
+
+convert.rgb.hsl = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var min = Math.min(r, g, b);
+	var max = Math.max(r, g, b);
+	var delta = max - min;
+	var h;
+	var s;
+	var l;
+
+	if (max === min) {
+		h = 0;
+	} else if (r === max) {
+		h = (g - b) / delta;
+	} else if (g === max) {
+		h = 2 + (b - r) / delta;
+	} else if (b === max) {
+		h = 4 + (r - g) / delta;
+	}
+
+	h = Math.min(h * 60, 360);
+
+	if (h < 0) {
+		h += 360;
+	}
+
+	l = (min + max) / 2;
+
+	if (max === min) {
+		s = 0;
+	} else if (l <= 0.5) {
+		s = delta / (max + min);
+	} else {
+		s = delta / (2 - max - min);
+	}
+
+	return [h, s * 100, l * 100];
+};
+
+convert.rgb.hsv = function (rgb) {
+	var rdif;
+	var gdif;
+	var bdif;
+	var h;
+	var s;
+
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var v = Math.max(r, g, b);
+	var diff = v - Math.min(r, g, b);
+	var diffc = function (c) {
+		return (v - c) / 6 / diff + 1 / 2;
+	};
+
+	if (diff === 0) {
+		h = s = 0;
+	} else {
+		s = diff / v;
+		rdif = diffc(r);
+		gdif = diffc(g);
+		bdif = diffc(b);
+
+		if (r === v) {
+			h = bdif - gdif;
+		} else if (g === v) {
+			h = (1 / 3) + rdif - bdif;
+		} else if (b === v) {
+			h = (2 / 3) + gdif - rdif;
+		}
+		if (h < 0) {
+			h += 1;
+		} else if (h > 1) {
+			h -= 1;
+		}
+	}
+
+	return [
+		h * 360,
+		s * 100,
+		v * 100
+	];
+};
+
+convert.rgb.hwb = function (rgb) {
+	var r = rgb[0];
+	var g = rgb[1];
+	var b = rgb[2];
+	var h = convert.rgb.hsl(rgb)[0];
+	var w = 1 / 255 * Math.min(r, Math.min(g, b));
+
+	b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
+
+	return [h, w * 100, b * 100];
+};
+
+convert.rgb.cmyk = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var c;
+	var m;
+	var y;
+	var k;
+
+	k = Math.min(1 - r, 1 - g, 1 - b);
+	c = (1 - r - k) / (1 - k) || 0;
+	m = (1 - g - k) / (1 - k) || 0;
+	y = (1 - b - k) / (1 - k) || 0;
+
+	return [c * 100, m * 100, y * 100, k * 100];
+};
+
+/**
+ * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance
+ * */
+function comparativeDistance(x, y) {
+	return (
+		Math.pow(x[0] - y[0], 2) +
+		Math.pow(x[1] - y[1], 2) +
+		Math.pow(x[2] - y[2], 2)
+	);
+}
+
+convert.rgb.keyword = function (rgb) {
+	var reversed = reverseKeywords[rgb];
+	if (reversed) {
+		return reversed;
+	}
+
+	var currentClosestDistance = Infinity;
+	var currentClosestKeyword;
+
+	for (var keyword in colorName) {
+		if (colorName.hasOwnProperty(keyword)) {
+			var value = colorName[keyword];
+
+			// Compute comparative distance
+			var distance = comparativeDistance(rgb, value);
+
+			// Check if its less, if so set as closest
+			if (distance < currentClosestDistance) {
+				currentClosestDistance = distance;
+				currentClosestKeyword = keyword;
+			}
+		}
+	}
+
+	return currentClosestKeyword;
+};
+
+convert.keyword.rgb = function (keyword) {
+	return colorName[keyword];
+};
+
+convert.rgb.xyz = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+
+	// assume sRGB
+	r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
+	g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
+	b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
+
+	var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
+	var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
+	var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
+
+	return [x * 100, y * 100, z * 100];
+};
+
+convert.rgb.lab = function (rgb) {
+	var xyz = convert.rgb.xyz(rgb);
+	var x = xyz[0];
+	var y = xyz[1];
+	var z = xyz[2];
+	var l;
+	var a;
+	var b;
+
+	x /= 95.047;
+	y /= 100;
+	z /= 108.883;
+
+	x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
+	y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
+	z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
+
+	l = (116 * y) - 16;
+	a = 500 * (x - y);
+	b = 200 * (y - z);
+
+	return [l, a, b];
+};
+
+convert.hsl.rgb = function (hsl) {
+	var h = hsl[0] / 360;
+	var s = hsl[1] / 100;
+	var l = hsl[2] / 100;
+	var t1;
+	var t2;
+	var t3;
+	var rgb;
+	var val;
+
+	if (s === 0) {
+		val = l * 255;
+		return [val, val, val];
+	}
+
+	if (l < 0.5) {
+		t2 = l * (1 + s);
+	} else {
+		t2 = l + s - l * s;
+	}
+
+	t1 = 2 * l - t2;
+
+	rgb = [0, 0, 0];
+	for (var i = 0; i < 3; i++) {
+		t3 = h + 1 / 3 * -(i - 1);
+		if (t3 < 0) {
+			t3++;
+		}
+		if (t3 > 1) {
+			t3--;
+		}
+
+		if (6 * t3 < 1) {
+			val = t1 + (t2 - t1) * 6 * t3;
+		} else if (2 * t3 < 1) {
+			val = t2;
+		} else if (3 * t3 < 2) {
+			val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
+		} else {
+			val = t1;
+		}
+
+		rgb[i] = val * 255;
+	}
+
+	return rgb;
+};
+
+convert.hsl.hsv = function (hsl) {
+	var h = hsl[0];
+	var s = hsl[1] / 100;
+	var l = hsl[2] / 100;
+	var smin = s;
+	var lmin = Math.max(l, 0.01);
+	var sv;
+	var v;
+
+	l *= 2;
+	s *= (l <= 1) ? l : 2 - l;
+	smin *= lmin <= 1 ? lmin : 2 - lmin;
+	v = (l + s) / 2;
+	sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);
+
+	return [h, sv * 100, v * 100];
+};
+
+convert.hsv.rgb = function (hsv) {
+	var h = hsv[0] / 60;
+	var s = hsv[1] / 100;
+	var v = hsv[2] / 100;
+	var hi = Math.floor(h) % 6;
+
+	var f = h - Math.floor(h);
+	var p = 255 * v * (1 - s);
+	var q = 255 * v * (1 - (s * f));
+	var t = 255 * v * (1 - (s * (1 - f)));
+	v *= 255;
+
+	switch (hi) {
+		case 0:
+			return [v, t, p];
+		case 1:
+			return [q, v, p];
+		case 2:
+			return [p, v, t];
+		case 3:
+			return [p, q, v];
+		case 4:
+			return [t, p, v];
+		case 5:
+			return [v, p, q];
+	}
+};
+
+convert.hsv.hsl = function (hsv) {
+	var h = hsv[0];
+	var s = hsv[1] / 100;
+	var v = hsv[2] / 100;
+	var vmin = Math.max(v, 0.01);
+	var lmin;
+	var sl;
+	var l;
+
+	l = (2 - s) * v;
+	lmin = (2 - s) * vmin;
+	sl = s * vmin;
+	sl /= (lmin <= 1) ? lmin : 2 - lmin;
+	sl = sl || 0;
+	l /= 2;
+
+	return [h, sl * 100, l * 100];
+};
+
+// http://dev.w3.org/csswg/css-color/#hwb-to-rgb
+convert.hwb.rgb = function (hwb) {
+	var h = hwb[0] / 360;
+	var wh = hwb[1] / 100;
+	var bl = hwb[2] / 100;
+	var ratio = wh + bl;
+	var i;
+	var v;
+	var f;
+	var n;
+
+	// wh + bl cant be > 1
+	if (ratio > 1) {
+		wh /= ratio;
+		bl /= ratio;
+	}
+
+	i = Math.floor(6 * h);
+	v = 1 - bl;
+	f = 6 * h - i;
+
+	if ((i & 0x01) !== 0) {
+		f = 1 - f;
+	}
+
+	n = wh + f * (v - wh); // linear interpolation
+
+	var r;
+	var g;
+	var b;
+	switch (i) {
+		default:
+		case 6:
+		case 0: r = v; g = n; b = wh; break;
+		case 1: r = n; g = v; b = wh; break;
+		case 2: r = wh; g = v; b = n; break;
+		case 3: r = wh; g = n; b = v; break;
+		case 4: r = n; g = wh; b = v; break;
+		case 5: r = v; g = wh; b = n; break;
+	}
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.cmyk.rgb = function (cmyk) {
+	var c = cmyk[0] / 100;
+	var m = cmyk[1] / 100;
+	var y = cmyk[2] / 100;
+	var k = cmyk[3] / 100;
+	var r;
+	var g;
+	var b;
+
+	r = 1 - Math.min(1, c * (1 - k) + k);
+	g = 1 - Math.min(1, m * (1 - k) + k);
+	b = 1 - Math.min(1, y * (1 - k) + k);
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.rgb = function (xyz) {
+	var x = xyz[0] / 100;
+	var y = xyz[1] / 100;
+	var z = xyz[2] / 100;
+	var r;
+	var g;
+	var b;
+
+	r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
+	g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
+	b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
+
+	// assume sRGB
+	r = r > 0.0031308
+		? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
+		: r * 12.92;
+
+	g = g > 0.0031308
+		? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
+		: g * 12.92;
+
+	b = b > 0.0031308
+		? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
+		: b * 12.92;
+
+	r = Math.min(Math.max(0, r), 1);
+	g = Math.min(Math.max(0, g), 1);
+	b = Math.min(Math.max(0, b), 1);
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.lab = function (xyz) {
+	var x = xyz[0];
+	var y = xyz[1];
+	var z = xyz[2];
+	var l;
+	var a;
+	var b;
+
+	x /= 95.047;
+	y /= 100;
+	z /= 108.883;
+
+	x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
+	y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
+	z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
+
+	l = (116 * y) - 16;
+	a = 500 * (x - y);
+	b = 200 * (y - z);
+
+	return [l, a, b];
+};
+
+convert.lab.xyz = function (lab) {
+	var l = lab[0];
+	var a = lab[1];
+	var b = lab[2];
+	var x;
+	var y;
+	var z;
+
+	y = (l + 16) / 116;
+	x = a / 500 + y;
+	z = y - b / 200;
+
+	var y2 = Math.pow(y, 3);
+	var x2 = Math.pow(x, 3);
+	var z2 = Math.pow(z, 3);
+	y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;
+	x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;
+	z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;
+
+	x *= 95.047;
+	y *= 100;
+	z *= 108.883;
+
+	return [x, y, z];
+};
+
+convert.lab.lch = function (lab) {
+	var l = lab[0];
+	var a = lab[1];
+	var b = lab[2];
+	var hr;
+	var h;
+	var c;
+
+	hr = Math.atan2(b, a);
+	h = hr * 360 / 2 / Math.PI;
+
+	if (h < 0) {
+		h += 360;
+	}
+
+	c = Math.sqrt(a * a + b * b);
+
+	return [l, c, h];
+};
+
+convert.lch.lab = function (lch) {
+	var l = lch[0];
+	var c = lch[1];
+	var h = lch[2];
+	var a;
+	var b;
+	var hr;
+
+	hr = h / 360 * 2 * Math.PI;
+	a = c * Math.cos(hr);
+	b = c * Math.sin(hr);
+
+	return [l, a, b];
+};
+
+convert.rgb.ansi16 = function (args) {
+	var r = args[0];
+	var g = args[1];
+	var b = args[2];
+	var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization
+
+	value = Math.round(value / 50);
+
+	if (value === 0) {
+		return 30;
+	}
+
+	var ansi = 30
+		+ ((Math.round(b / 255) << 2)
+		| (Math.round(g / 255) << 1)
+		| Math.round(r / 255));
+
+	if (value === 2) {
+		ansi += 60;
+	}
+
+	return ansi;
+};
+
+convert.hsv.ansi16 = function (args) {
+	// optimization here; we already know the value and don't need to get
+	// it converted for us.
+	return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
+};
+
+convert.rgb.ansi256 = function (args) {
+	var r = args[0];
+	var g = args[1];
+	var b = args[2];
+
+	// we use the extended greyscale palette here, with the exception of
+	// black and white. normal palette only has 4 greyscale shades.
+	if (r === g && g === b) {
+		if (r < 8) {
+			return 16;
+		}
+
+		if (r > 248) {
+			return 231;
+		}
+
+		return Math.round(((r - 8) / 247) * 24) + 232;
+	}
+
+	var ansi = 16
+		+ (36 * Math.round(r / 255 * 5))
+		+ (6 * Math.round(g / 255 * 5))
+		+ Math.round(b / 255 * 5);
+
+	return ansi;
+};
+
+convert.ansi16.rgb = function (args) {
+	var color = args % 10;
+
+	// handle greyscale
+	if (color === 0 || color === 7) {
+		if (args > 50) {
+			color += 3.5;
+		}
+
+		color = color / 10.5 * 255;
+
+		return [color, color, color];
+	}
+
+	var mult = (~~(args > 50) + 1) * 0.5;
+	var r = ((color & 1) * mult) * 255;
+	var g = (((color >> 1) & 1) * mult) * 255;
+	var b = (((color >> 2) & 1) * mult) * 255;
+
+	return [r, g, b];
+};
+
+convert.ansi256.rgb = function (args) {
+	// handle greyscale
+	if (args >= 232) {
+		var c = (args - 232) * 10 + 8;
+		return [c, c, c];
+	}
+
+	args -= 16;
+
+	var rem;
+	var r = Math.floor(args / 36) / 5 * 255;
+	var g = Math.floor((rem = args % 36) / 6) / 5 * 255;
+	var b = (rem % 6) / 5 * 255;
+
+	return [r, g, b];
+};
+
+convert.rgb.hex = function (args) {
+	var integer = ((Math.round(args[0]) & 0xFF) << 16)
+		+ ((Math.round(args[1]) & 0xFF) << 8)
+		+ (Math.round(args[2]) & 0xFF);
+
+	var string = integer.toString(16).toUpperCase();
+	return '000000'.substring(string.length) + string;
+};
+
+convert.hex.rgb = function (args) {
+	var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
+	if (!match) {
+		return [0, 0, 0];
+	}
+
+	var colorString = match[0];
+
+	if (match[0].length === 3) {
+		colorString = colorString.split('').map(function (char) {
+			return char + char;
+		}).join('');
+	}
+
+	var integer = parseInt(colorString, 16);
+	var r = (integer >> 16) & 0xFF;
+	var g = (integer >> 8) & 0xFF;
+	var b = integer & 0xFF;
+
+	return [r, g, b];
+};
+
+convert.rgb.hcg = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var max = Math.max(Math.max(r, g), b);
+	var min = Math.min(Math.min(r, g), b);
+	var chroma = (max - min);
+	var grayscale;
+	var hue;
+
+	if (chroma < 1) {
+		grayscale = min / (1 - chroma);
+	} else {
+		grayscale = 0;
+	}
+
+	if (chroma <= 0) {
+		hue = 0;
+	} else
+	if (max === r) {
+		hue = ((g - b) / chroma) % 6;
+	} else
+	if (max === g) {
+		hue = 2 + (b - r) / chroma;
+	} else {
+		hue = 4 + (r - g) / chroma + 4;
+	}
+
+	hue /= 6;
+	hue %= 1;
+
+	return [hue * 360, chroma * 100, grayscale * 100];
+};
+
+convert.hsl.hcg = function (hsl) {
+	var s = hsl[1] / 100;
+	var l = hsl[2] / 100;
+	var c = 1;
+	var f = 0;
+
+	if (l < 0.5) {
+		c = 2.0 * s * l;
+	} else {
+		c = 2.0 * s * (1.0 - l);
+	}
+
+	if (c < 1.0) {
+		f = (l - 0.5 * c) / (1.0 - c);
+	}
+
+	return [hsl[0], c * 100, f * 100];
+};
+
+convert.hsv.hcg = function (hsv) {
+	var s = hsv[1] / 100;
+	var v = hsv[2] / 100;
+
+	var c = s * v;
+	var f = 0;
+
+	if (c < 1.0) {
+		f = (v - c) / (1 - c);
+	}
+
+	return [hsv[0], c * 100, f * 100];
+};
+
+convert.hcg.rgb = function (hcg) {
+	var h = hcg[0] / 360;
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+
+	if (c === 0.0) {
+		return [g * 255, g * 255, g * 255];
+	}
+
+	var pure = [0, 0, 0];
+	var hi = (h % 1) * 6;
+	var v = hi % 1;
+	var w = 1 - v;
+	var mg = 0;
+
+	switch (Math.floor(hi)) {
+		case 0:
+			pure[0] = 1; pure[1] = v; pure[2] = 0; break;
+		case 1:
+			pure[0] = w; pure[1] = 1; pure[2] = 0; break;
+		case 2:
+			pure[0] = 0; pure[1] = 1; pure[2] = v; break;
+		case 3:
+			pure[0] = 0; pure[1] = w; pure[2] = 1; break;
+		case 4:
+			pure[0] = v; pure[1] = 0; pure[2] = 1; break;
+		default:
+			pure[0] = 1; pure[1] = 0; pure[2] = w;
+	}
+
+	mg = (1.0 - c) * g;
+
+	return [
+		(c * pure[0] + mg) * 255,
+		(c * pure[1] + mg) * 255,
+		(c * pure[2] + mg) * 255
+	];
+};
+
+convert.hcg.hsv = function (hcg) {
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+
+	var v = c + g * (1.0 - c);
+	var f = 0;
+
+	if (v > 0.0) {
+		f = c / v;
+	}
+
+	return [hcg[0], f * 100, v * 100];
+};
+
+convert.hcg.hsl = function (hcg) {
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+
+	var l = g * (1.0 - c) + 0.5 * c;
+	var s = 0;
+
+	if (l > 0.0 && l < 0.5) {
+		s = c / (2 * l);
+	} else
+	if (l >= 0.5 && l < 1.0) {
+		s = c / (2 * (1 - l));
+	}
+
+	return [hcg[0], s * 100, l * 100];
+};
+
+convert.hcg.hwb = function (hcg) {
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+	var v = c + g * (1.0 - c);
+	return [hcg[0], (v - c) * 100, (1 - v) * 100];
+};
+
+convert.hwb.hcg = function (hwb) {
+	var w = hwb[1] / 100;
+	var b = hwb[2] / 100;
+	var v = 1 - b;
+	var c = v - w;
+	var g = 0;
+
+	if (c < 1) {
+		g = (v - c) / (1 - c);
+	}
+
+	return [hwb[0], c * 100, g * 100];
+};
+
+convert.apple.rgb = function (apple) {
+	return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];
+};
+
+convert.rgb.apple = function (rgb) {
+	return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];
+};
+
+convert.gray.rgb = function (args) {
+	return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
+};
+
+convert.gray.hsl = convert.gray.hsv = function (args) {
+	return [0, 0, args[0]];
+};
+
+convert.gray.hwb = function (gray) {
+	return [0, 100, gray[0]];
+};
+
+convert.gray.cmyk = function (gray) {
+	return [0, 0, 0, gray[0]];
+};
+
+convert.gray.lab = function (gray) {
+	return [gray[0], 0, 0];
+};
+
+convert.gray.hex = function (gray) {
+	var val = Math.round(gray[0] / 100 * 255) & 0xFF;
+	var integer = (val << 16) + (val << 8) + val;
+
+	var string = integer.toString(16).toUpperCase();
+	return '000000'.substring(string.length) + string;
+};
+
+convert.rgb.gray = function (rgb) {
+	var val = (rgb[0] + rgb[1] + rgb[2]) / 3;
+	return [val / 255 * 100];
+};
+});
+var conversions_1 = conversions.rgb;
+var conversions_2 = conversions.hsl;
+var conversions_3 = conversions.hsv;
+var conversions_4 = conversions.hwb;
+var conversions_5 = conversions.cmyk;
+var conversions_6 = conversions.xyz;
+var conversions_7 = conversions.lab;
+var conversions_8 = conversions.lch;
+var conversions_9 = conversions.hex;
+var conversions_10 = conversions.keyword;
+var conversions_11 = conversions.ansi16;
+var conversions_12 = conversions.ansi256;
+var conversions_13 = conversions.hcg;
+var conversions_14 = conversions.apple;
+var conversions_15 = conversions.gray;
+
+/*
+	this function routes a model to all other models.
+
+	all functions that are routed have a property `.conversion` attached
+	to the returned synthetic function. This property is an array
+	of strings, each with the steps in between the 'from' and 'to'
+	color models (inclusive).
+
+	conversions that are not possible simply are not included.
+*/
+
+function buildGraph() {
+	var graph = {};
+	// https://jsperf.com/object-keys-vs-for-in-with-closure/3
+	var models = Object.keys(conversions);
+
+	for (var len = models.length, i = 0; i < len; i++) {
+		graph[models[i]] = {
+			// http://jsperf.com/1-vs-infinity
+			// micro-opt, but this is simple.
+			distance: -1,
+			parent: null
+		};
+	}
+
+	return graph;
+}
+
+// https://en.wikipedia.org/wiki/Breadth-first_search
+function deriveBFS(fromModel) {
+	var graph = buildGraph();
+	var queue = [fromModel]; // unshift -> queue -> pop
+
+	graph[fromModel].distance = 0;
+
+	while (queue.length) {
+		var current = queue.pop();
+		var adjacents = Object.keys(conversions[current]);
+
+		for (var len = adjacents.length, i = 0; i < len; i++) {
+			var adjacent = adjacents[i];
+			var node = graph[adjacent];
+
+			if (node.distance === -1) {
+				node.distance = graph[current].distance + 1;
+				node.parent = current;
+				queue.unshift(adjacent);
+			}
+		}
+	}
+
+	return graph;
+}
+
+function link(from, to) {
+	return function (args) {
+		return to(from(args));
+	};
+}
+
+function wrapConversion(toModel, graph) {
+	var path = [graph[toModel].parent, toModel];
+	var fn = conversions[graph[toModel].parent][toModel];
+
+	var cur = graph[toModel].parent;
+	while (graph[cur].parent) {
+		path.unshift(graph[cur].parent);
+		fn = link(conversions[graph[cur].parent][cur], fn);
+		cur = graph[cur].parent;
+	}
+
+	fn.conversion = path;
+	return fn;
+}
+
+var route = function (fromModel) {
+	var graph = deriveBFS(fromModel);
+	var conversion = {};
+
+	var models = Object.keys(graph);
+	for (var len = models.length, i = 0; i < len; i++) {
+		var toModel = models[i];
+		var node = graph[toModel];
+
+		if (node.parent === null) {
+			// no possible conversion, or this node is the source model.
+			continue;
+		}
+
+		conversion[toModel] = wrapConversion(toModel, graph);
+	}
+
+	return conversion;
+};
+
+var convert = {};
+
+var models = Object.keys(conversions);
+
+function wrapRaw(fn) {
+	var wrappedFn = function (args) {
+		if (args === undefined || args === null) {
+			return args;
+		}
+
+		if (arguments.length > 1) {
+			args = Array.prototype.slice.call(arguments);
+		}
+
+		return fn(args);
+	};
+
+	// preserve .conversion property if there is one
+	if ('conversion' in fn) {
+		wrappedFn.conversion = fn.conversion;
+	}
+
+	return wrappedFn;
+}
+
+function wrapRounded(fn) {
+	var wrappedFn = function (args) {
+		if (args === undefined || args === null) {
+			return args;
+		}
+
+		if (arguments.length > 1) {
+			args = Array.prototype.slice.call(arguments);
+		}
+
+		var result = fn(args);
+
+		// we're assuming the result is an array here.
+		// see notice in conversions.js; don't use box types
+		// in conversion functions.
+		if (typeof result === 'object') {
+			for (var len = result.length, i = 0; i < len; i++) {
+				result[i] = Math.round(result[i]);
+			}
+		}
+
+		return result;
+	};
+
+	// preserve .conversion property if there is one
+	if ('conversion' in fn) {
+		wrappedFn.conversion = fn.conversion;
+	}
+
+	return wrappedFn;
+}
+
+models.forEach(function (fromModel) {
+	convert[fromModel] = {};
+
+	Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
+	Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
+
+	var routes = route(fromModel);
+	var routeModels = Object.keys(routes);
+
+	routeModels.forEach(function (toModel) {
+		var fn = routes[toModel];
+
+		convert[fromModel][toModel] = wrapRounded(fn);
+		convert[fromModel][toModel].raw = wrapRaw(fn);
+	});
+});
+
+var colorConvert = convert;
+
+var colorName$1 = {
+	"aliceblue": [240, 248, 255],
+	"antiquewhite": [250, 235, 215],
+	"aqua": [0, 255, 255],
+	"aquamarine": [127, 255, 212],
+	"azure": [240, 255, 255],
+	"beige": [245, 245, 220],
+	"bisque": [255, 228, 196],
+	"black": [0, 0, 0],
+	"blanchedalmond": [255, 235, 205],
+	"blue": [0, 0, 255],
+	"blueviolet": [138, 43, 226],
+	"brown": [165, 42, 42],
+	"burlywood": [222, 184, 135],
+	"cadetblue": [95, 158, 160],
+	"chartreuse": [127, 255, 0],
+	"chocolate": [210, 105, 30],
+	"coral": [255, 127, 80],
+	"cornflowerblue": [100, 149, 237],
+	"cornsilk": [255, 248, 220],
+	"crimson": [220, 20, 60],
+	"cyan": [0, 255, 255],
+	"darkblue": [0, 0, 139],
+	"darkcyan": [0, 139, 139],
+	"darkgoldenrod": [184, 134, 11],
+	"darkgray": [169, 169, 169],
+	"darkgreen": [0, 100, 0],
+	"darkgrey": [169, 169, 169],
+	"darkkhaki": [189, 183, 107],
+	"darkmagenta": [139, 0, 139],
+	"darkolivegreen": [85, 107, 47],
+	"darkorange": [255, 140, 0],
+	"darkorchid": [153, 50, 204],
+	"darkred": [139, 0, 0],
+	"darksalmon": [233, 150, 122],
+	"darkseagreen": [143, 188, 143],
+	"darkslateblue": [72, 61, 139],
+	"darkslategray": [47, 79, 79],
+	"darkslategrey": [47, 79, 79],
+	"darkturquoise": [0, 206, 209],
+	"darkviolet": [148, 0, 211],
+	"deeppink": [255, 20, 147],
+	"deepskyblue": [0, 191, 255],
+	"dimgray": [105, 105, 105],
+	"dimgrey": [105, 105, 105],
+	"dodgerblue": [30, 144, 255],
+	"firebrick": [178, 34, 34],
+	"floralwhite": [255, 250, 240],
+	"forestgreen": [34, 139, 34],
+	"fuchsia": [255, 0, 255],
+	"gainsboro": [220, 220, 220],
+	"ghostwhite": [248, 248, 255],
+	"gold": [255, 215, 0],
+	"goldenrod": [218, 165, 32],
+	"gray": [128, 128, 128],
+	"green": [0, 128, 0],
+	"greenyellow": [173, 255, 47],
+	"grey": [128, 128, 128],
+	"honeydew": [240, 255, 240],
+	"hotpink": [255, 105, 180],
+	"indianred": [205, 92, 92],
+	"indigo": [75, 0, 130],
+	"ivory": [255, 255, 240],
+	"khaki": [240, 230, 140],
+	"lavender": [230, 230, 250],
+	"lavenderblush": [255, 240, 245],
+	"lawngreen": [124, 252, 0],
+	"lemonchiffon": [255, 250, 205],
+	"lightblue": [173, 216, 230],
+	"lightcoral": [240, 128, 128],
+	"lightcyan": [224, 255, 255],
+	"lightgoldenrodyellow": [250, 250, 210],
+	"lightgray": [211, 211, 211],
+	"lightgreen": [144, 238, 144],
+	"lightgrey": [211, 211, 211],
+	"lightpink": [255, 182, 193],
+	"lightsalmon": [255, 160, 122],
+	"lightseagreen": [32, 178, 170],
+	"lightskyblue": [135, 206, 250],
+	"lightslategray": [119, 136, 153],
+	"lightslategrey": [119, 136, 153],
+	"lightsteelblue": [176, 196, 222],
+	"lightyellow": [255, 255, 224],
+	"lime": [0, 255, 0],
+	"limegreen": [50, 205, 50],
+	"linen": [250, 240, 230],
+	"magenta": [255, 0, 255],
+	"maroon": [128, 0, 0],
+	"mediumaquamarine": [102, 205, 170],
+	"mediumblue": [0, 0, 205],
+	"mediumorchid": [186, 85, 211],
+	"mediumpurple": [147, 112, 219],
+	"mediumseagreen": [60, 179, 113],
+	"mediumslateblue": [123, 104, 238],
+	"mediumspringgreen": [0, 250, 154],
+	"mediumturquoise": [72, 209, 204],
+	"mediumvioletred": [199, 21, 133],
+	"midnightblue": [25, 25, 112],
+	"mintcream": [245, 255, 250],
+	"mistyrose": [255, 228, 225],
+	"moccasin": [255, 228, 181],
+	"navajowhite": [255, 222, 173],
+	"navy": [0, 0, 128],
+	"oldlace": [253, 245, 230],
+	"olive": [128, 128, 0],
+	"olivedrab": [107, 142, 35],
+	"orange": [255, 165, 0],
+	"orangered": [255, 69, 0],
+	"orchid": [218, 112, 214],
+	"palegoldenrod": [238, 232, 170],
+	"palegreen": [152, 251, 152],
+	"paleturquoise": [175, 238, 238],
+	"palevioletred": [219, 112, 147],
+	"papayawhip": [255, 239, 213],
+	"peachpuff": [255, 218, 185],
+	"peru": [205, 133, 63],
+	"pink": [255, 192, 203],
+	"plum": [221, 160, 221],
+	"powderblue": [176, 224, 230],
+	"purple": [128, 0, 128],
+	"rebeccapurple": [102, 51, 153],
+	"red": [255, 0, 0],
+	"rosybrown": [188, 143, 143],
+	"royalblue": [65, 105, 225],
+	"saddlebrown": [139, 69, 19],
+	"salmon": [250, 128, 114],
+	"sandybrown": [244, 164, 96],
+	"seagreen": [46, 139, 87],
+	"seashell": [255, 245, 238],
+	"sienna": [160, 82, 45],
+	"silver": [192, 192, 192],
+	"skyblue": [135, 206, 235],
+	"slateblue": [106, 90, 205],
+	"slategray": [112, 128, 144],
+	"slategrey": [112, 128, 144],
+	"snow": [255, 250, 250],
+	"springgreen": [0, 255, 127],
+	"steelblue": [70, 130, 180],
+	"tan": [210, 180, 140],
+	"teal": [0, 128, 128],
+	"thistle": [216, 191, 216],
+	"tomato": [255, 99, 71],
+	"turquoise": [64, 224, 208],
+	"violet": [238, 130, 238],
+	"wheat": [245, 222, 179],
+	"white": [255, 255, 255],
+	"whitesmoke": [245, 245, 245],
+	"yellow": [255, 255, 0],
+	"yellowgreen": [154, 205, 50]
+};
+
+/* MIT license */
+
+
+var colorString = {
+   getRgba: getRgba,
+   getHsla: getHsla,
+   getRgb: getRgb,
+   getHsl: getHsl,
+   getHwb: getHwb,
+   getAlpha: getAlpha,
+
+   hexString: hexString,
+   rgbString: rgbString,
+   rgbaString: rgbaString,
+   percentString: percentString,
+   percentaString: percentaString,
+   hslString: hslString,
+   hslaString: hslaString,
+   hwbString: hwbString,
+   keyword: keyword
+};
+
+function getRgba(string) {
+   if (!string) {
+      return;
+   }
+   var abbr =  /^#([a-fA-F0-9]{3,4})$/i,
+       hex =  /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i,
+       rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
+       per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
+       keyword = /(\w+)/;
+
+   var rgb = [0, 0, 0],
+       a = 1,
+       match = string.match(abbr),
+       hexAlpha = "";
+   if (match) {
+      match = match[1];
+      hexAlpha = match[3];
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = parseInt(match[i] + match[i], 16);
+      }
+      if (hexAlpha) {
+         a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100;
+      }
+   }
+   else if (match = string.match(hex)) {
+      hexAlpha = match[2];
+      match = match[1];
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);
+      }
+      if (hexAlpha) {
+         a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100;
+      }
+   }
+   else if (match = string.match(rgba)) {
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = parseInt(match[i + 1]);
+      }
+      a = parseFloat(match[4]);
+   }
+   else if (match = string.match(per)) {
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);
+      }
+      a = parseFloat(match[4]);
+   }
+   else if (match = string.match(keyword)) {
+      if (match[1] == "transparent") {
+         return [0, 0, 0, 0];
+      }
+      rgb = colorName$1[match[1]];
+      if (!rgb) {
+         return;
+      }
+   }
+
+   for (var i = 0; i < rgb.length; i++) {
+      rgb[i] = scale(rgb[i], 0, 255);
+   }
+   if (!a && a != 0) {
+      a = 1;
+   }
+   else {
+      a = scale(a, 0, 1);
+   }
+   rgb[3] = a;
+   return rgb;
+}
+
+function getHsla(string) {
+   if (!string) {
+      return;
+   }
+   var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
+   var match = string.match(hsl);
+   if (match) {
+      var alpha = parseFloat(match[4]);
+      var h = scale(parseInt(match[1]), 0, 360),
+          s = scale(parseFloat(match[2]), 0, 100),
+          l = scale(parseFloat(match[3]), 0, 100),
+          a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
+      return [h, s, l, a];
+   }
+}
+
+function getHwb(string) {
+   if (!string) {
+      return;
+   }
+   var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
+   var match = string.match(hwb);
+   if (match) {
+    var alpha = parseFloat(match[4]);
+      var h = scale(parseInt(match[1]), 0, 360),
+          w = scale(parseFloat(match[2]), 0, 100),
+          b = scale(parseFloat(match[3]), 0, 100),
+          a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
+      return [h, w, b, a];
+   }
+}
+
+function getRgb(string) {
+   var rgba = getRgba(string);
+   return rgba && rgba.slice(0, 3);
+}
+
+function getHsl(string) {
+  var hsla = getHsla(string);
+  return hsla && hsla.slice(0, 3);
+}
+
+function getAlpha(string) {
+   var vals = getRgba(string);
+   if (vals) {
+      return vals[3];
+   }
+   else if (vals = getHsla(string)) {
+      return vals[3];
+   }
+   else if (vals = getHwb(string)) {
+      return vals[3];
+   }
+}
+
+// generators
+function hexString(rgba, a) {
+   var a = (a !== undefined && rgba.length === 3) ? a : rgba[3];
+   return "#" + hexDouble(rgba[0]) 
+              + hexDouble(rgba[1])
+              + hexDouble(rgba[2])
+              + (
+                 (a >= 0 && a < 1)
+                 ? hexDouble(Math.round(a * 255))
+                 : ""
+              );
+}
+
+function rgbString(rgba, alpha) {
+   if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
+      return rgbaString(rgba, alpha);
+   }
+   return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")";
+}
+
+function rgbaString(rgba, alpha) {
+   if (alpha === undefined) {
+      alpha = (rgba[3] !== undefined ? rgba[3] : 1);
+   }
+   return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2]
+           + ", " + alpha + ")";
+}
+
+function percentString(rgba, alpha) {
+   if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
+      return percentaString(rgba, alpha);
+   }
+   var r = Math.round(rgba[0]/255 * 100),
+       g = Math.round(rgba[1]/255 * 100),
+       b = Math.round(rgba[2]/255 * 100);
+
+   return "rgb(" + r + "%, " + g + "%, " + b + "%)";
+}
+
+function percentaString(rgba, alpha) {
+   var r = Math.round(rgba[0]/255 * 100),
+       g = Math.round(rgba[1]/255 * 100),
+       b = Math.round(rgba[2]/255 * 100);
+   return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")";
+}
+
+function hslString(hsla, alpha) {
+   if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {
+      return hslaString(hsla, alpha);
+   }
+   return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)";
+}
+
+function hslaString(hsla, alpha) {
+   if (alpha === undefined) {
+      alpha = (hsla[3] !== undefined ? hsla[3] : 1);
+   }
+   return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, "
+           + alpha + ")";
+}
+
+// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax
+// (hwb have alpha optional & 1 is default value)
+function hwbString(hwb, alpha) {
+   if (alpha === undefined) {
+      alpha = (hwb[3] !== undefined ? hwb[3] : 1);
+   }
+   return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%"
+           + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")";
+}
+
+function keyword(rgb) {
+  return reverseNames[rgb.slice(0, 3)];
+}
+
+// helpers
+function scale(num, min, max) {
+   return Math.min(Math.max(min, num), max);
+}
+
+function hexDouble(num) {
+  var str = num.toString(16).toUpperCase();
+  return (str.length < 2) ? "0" + str : str;
+}
+
+
+//create a list of reverse color names
+var reverseNames = {};
+for (var name in colorName$1) {
+   reverseNames[colorName$1[name]] = name;
+}
+
+/* MIT license */
+
+
+
+var Color = function (obj) {
+	if (obj instanceof Color) {
+		return obj;
+	}
+	if (!(this instanceof Color)) {
+		return new Color(obj);
+	}
+
+	this.valid = false;
+	this.values = {
+		rgb: [0, 0, 0],
+		hsl: [0, 0, 0],
+		hsv: [0, 0, 0],
+		hwb: [0, 0, 0],
+		cmyk: [0, 0, 0, 0],
+		alpha: 1
+	};
+
+	// parse Color() argument
+	var vals;
+	if (typeof obj === 'string') {
+		vals = colorString.getRgba(obj);
+		if (vals) {
+			this.setValues('rgb', vals);
+		} else if (vals = colorString.getHsla(obj)) {
+			this.setValues('hsl', vals);
+		} else if (vals = colorString.getHwb(obj)) {
+			this.setValues('hwb', vals);
+		}
+	} else if (typeof obj === 'object') {
+		vals = obj;
+		if (vals.r !== undefined || vals.red !== undefined) {
+			this.setValues('rgb', vals);
+		} else if (vals.l !== undefined || vals.lightness !== undefined) {
+			this.setValues('hsl', vals);
+		} else if (vals.v !== undefined || vals.value !== undefined) {
+			this.setValues('hsv', vals);
+		} else if (vals.w !== undefined || vals.whiteness !== undefined) {
+			this.setValues('hwb', vals);
+		} else if (vals.c !== undefined || vals.cyan !== undefined) {
+			this.setValues('cmyk', vals);
+		}
+	}
+};
+
+Color.prototype = {
+	isValid: function () {
+		return this.valid;
+	},
+	rgb: function () {
+		return this.setSpace('rgb', arguments);
+	},
+	hsl: function () {
+		return this.setSpace('hsl', arguments);
+	},
+	hsv: function () {
+		return this.setSpace('hsv', arguments);
+	},
+	hwb: function () {
+		return this.setSpace('hwb', arguments);
+	},
+	cmyk: function () {
+		return this.setSpace('cmyk', arguments);
+	},
+
+	rgbArray: function () {
+		return this.values.rgb;
+	},
+	hslArray: function () {
+		return this.values.hsl;
+	},
+	hsvArray: function () {
+		return this.values.hsv;
+	},
+	hwbArray: function () {
+		var values = this.values;
+		if (values.alpha !== 1) {
+			return values.hwb.concat([values.alpha]);
+		}
+		return values.hwb;
+	},
+	cmykArray: function () {
+		return this.values.cmyk;
+	},
+	rgbaArray: function () {
+		var values = this.values;
+		return values.rgb.concat([values.alpha]);
+	},
+	hslaArray: function () {
+		var values = this.values;
+		return values.hsl.concat([values.alpha]);
+	},
+	alpha: function (val) {
+		if (val === undefined) {
+			return this.values.alpha;
+		}
+		this.setValues('alpha', val);
+		return this;
+	},
+
+	red: function (val) {
+		return this.setChannel('rgb', 0, val);
+	},
+	green: function (val) {
+		return this.setChannel('rgb', 1, val);
+	},
+	blue: function (val) {
+		return this.setChannel('rgb', 2, val);
+	},
+	hue: function (val) {
+		if (val) {
+			val %= 360;
+			val = val < 0 ? 360 + val : val;
+		}
+		return this.setChannel('hsl', 0, val);
+	},
+	saturation: function (val) {
+		return this.setChannel('hsl', 1, val);
+	},
+	lightness: function (val) {
+		return this.setChannel('hsl', 2, val);
+	},
+	saturationv: function (val) {
+		return this.setChannel('hsv', 1, val);
+	},
+	whiteness: function (val) {
+		return this.setChannel('hwb', 1, val);
+	},
+	blackness: function (val) {
+		return this.setChannel('hwb', 2, val);
+	},
+	value: function (val) {
+		return this.setChannel('hsv', 2, val);
+	},
+	cyan: function (val) {
+		return this.setChannel('cmyk', 0, val);
+	},
+	magenta: function (val) {
+		return this.setChannel('cmyk', 1, val);
+	},
+	yellow: function (val) {
+		return this.setChannel('cmyk', 2, val);
+	},
+	black: function (val) {
+		return this.setChannel('cmyk', 3, val);
+	},
+
+	hexString: function () {
+		return colorString.hexString(this.values.rgb);
+	},
+	rgbString: function () {
+		return colorString.rgbString(this.values.rgb, this.values.alpha);
+	},
+	rgbaString: function () {
+		return colorString.rgbaString(this.values.rgb, this.values.alpha);
+	},
+	percentString: function () {
+		return colorString.percentString(this.values.rgb, this.values.alpha);
+	},
+	hslString: function () {
+		return colorString.hslString(this.values.hsl, this.values.alpha);
+	},
+	hslaString: function () {
+		return colorString.hslaString(this.values.hsl, this.values.alpha);
+	},
+	hwbString: function () {
+		return colorString.hwbString(this.values.hwb, this.values.alpha);
+	},
+	keyword: function () {
+		return colorString.keyword(this.values.rgb, this.values.alpha);
+	},
+
+	rgbNumber: function () {
+		var rgb = this.values.rgb;
+		return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
+	},
+
+	luminosity: function () {
+		// http://www.w3.org/TR/WCAG20/#relativeluminancedef
+		var rgb = this.values.rgb;
+		var lum = [];
+		for (var i = 0; i < rgb.length; i++) {
+			var chan = rgb[i] / 255;
+			lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);
+		}
+		return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];
+	},
+
+	contrast: function (color2) {
+		// http://www.w3.org/TR/WCAG20/#contrast-ratiodef
+		var lum1 = this.luminosity();
+		var lum2 = color2.luminosity();
+		if (lum1 > lum2) {
+			return (lum1 + 0.05) / (lum2 + 0.05);
+		}
+		return (lum2 + 0.05) / (lum1 + 0.05);
+	},
+
+	level: function (color2) {
+		var contrastRatio = this.contrast(color2);
+		if (contrastRatio >= 7.1) {
+			return 'AAA';
+		}
+
+		return (contrastRatio >= 4.5) ? 'AA' : '';
+	},
+
+	dark: function () {
+		// YIQ equation from http://24ways.org/2010/calculating-color-contrast
+		var rgb = this.values.rgb;
+		var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;
+		return yiq < 128;
+	},
+
+	light: function () {
+		return !this.dark();
+	},
+
+	negate: function () {
+		var rgb = [];
+		for (var i = 0; i < 3; i++) {
+			rgb[i] = 255 - this.values.rgb[i];
+		}
+		this.setValues('rgb', rgb);
+		return this;
+	},
+
+	lighten: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[2] += hsl[2] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	darken: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[2] -= hsl[2] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	saturate: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[1] += hsl[1] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	desaturate: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[1] -= hsl[1] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	whiten: function (ratio) {
+		var hwb = this.values.hwb;
+		hwb[1] += hwb[1] * ratio;
+		this.setValues('hwb', hwb);
+		return this;
+	},
+
+	blacken: function (ratio) {
+		var hwb = this.values.hwb;
+		hwb[2] += hwb[2] * ratio;
+		this.setValues('hwb', hwb);
+		return this;
+	},
+
+	greyscale: function () {
+		var rgb = this.values.rgb;
+		// http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
+		var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;
+		this.setValues('rgb', [val, val, val]);
+		return this;
+	},
+
+	clearer: function (ratio) {
+		var alpha = this.values.alpha;
+		this.setValues('alpha', alpha - (alpha * ratio));
+		return this;
+	},
+
+	opaquer: function (ratio) {
+		var alpha = this.values.alpha;
+		this.setValues('alpha', alpha + (alpha * ratio));
+		return this;
+	},
+
+	rotate: function (degrees) {
+		var hsl = this.values.hsl;
+		var hue = (hsl[0] + degrees) % 360;
+		hsl[0] = hue < 0 ? 360 + hue : hue;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	/**
+	 * Ported from sass implementation in C
+	 * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209
+	 */
+	mix: function (mixinColor, weight) {
+		var color1 = this;
+		var color2 = mixinColor;
+		var p = weight === undefined ? 0.5 : weight;
+
+		var w = 2 * p - 1;
+		var a = color1.alpha() - color2.alpha();
+
+		var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
+		var w2 = 1 - w1;
+
+		return this
+			.rgb(
+				w1 * color1.red() + w2 * color2.red(),
+				w1 * color1.green() + w2 * color2.green(),
+				w1 * color1.blue() + w2 * color2.blue()
+			)
+			.alpha(color1.alpha() * p + color2.alpha() * (1 - p));
+	},
+
+	toJSON: function () {
+		return this.rgb();
+	},
+
+	clone: function () {
+		// NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,
+		// making the final build way to big to embed in Chart.js. So let's do it manually,
+		// assuming that values to clone are 1 dimension arrays containing only numbers,
+		// except 'alpha' which is a number.
+		var result = new Color();
+		var source = this.values;
+		var target = result.values;
+		var value, type;
+
+		for (var prop in source) {
+			if (source.hasOwnProperty(prop)) {
+				value = source[prop];
+				type = ({}).toString.call(value);
+				if (type === '[object Array]') {
+					target[prop] = value.slice(0);
+				} else if (type === '[object Number]') {
+					target[prop] = value;
+				} else {
+					console.error('unexpected color value:', value);
+				}
+			}
+		}
+
+		return result;
+	}
+};
+
+Color.prototype.spaces = {
+	rgb: ['red', 'green', 'blue'],
+	hsl: ['hue', 'saturation', 'lightness'],
+	hsv: ['hue', 'saturation', 'value'],
+	hwb: ['hue', 'whiteness', 'blackness'],
+	cmyk: ['cyan', 'magenta', 'yellow', 'black']
+};
+
+Color.prototype.maxes = {
+	rgb: [255, 255, 255],
+	hsl: [360, 100, 100],
+	hsv: [360, 100, 100],
+	hwb: [360, 100, 100],
+	cmyk: [100, 100, 100, 100]
+};
+
+Color.prototype.getValues = function (space) {
+	var values = this.values;
+	var vals = {};
+
+	for (var i = 0; i < space.length; i++) {
+		vals[space.charAt(i)] = values[space][i];
+	}
+
+	if (values.alpha !== 1) {
+		vals.a = values.alpha;
+	}
+
+	// {r: 255, g: 255, b: 255, a: 0.4}
+	return vals;
+};
+
+Color.prototype.setValues = function (space, vals) {
+	var values = this.values;
+	var spaces = this.spaces;
+	var maxes = this.maxes;
+	var alpha = 1;
+	var i;
+
+	this.valid = true;
+
+	if (space === 'alpha') {
+		alpha = vals;
+	} else if (vals.length) {
+		// [10, 10, 10]
+		values[space] = vals.slice(0, space.length);
+		alpha = vals[space.length];
+	} else if (vals[space.charAt(0)] !== undefined) {
+		// {r: 10, g: 10, b: 10}
+		for (i = 0; i < space.length; i++) {
+			values[space][i] = vals[space.charAt(i)];
+		}
+
+		alpha = vals.a;
+	} else if (vals[spaces[space][0]] !== undefined) {
+		// {red: 10, green: 10, blue: 10}
+		var chans = spaces[space];
+
+		for (i = 0; i < space.length; i++) {
+			values[space][i] = vals[chans[i]];
+		}
+
+		alpha = vals.alpha;
+	}
+
+	values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));
+
+	if (space === 'alpha') {
+		return false;
+	}
+
+	var capped;
+
+	// cap values of the space prior converting all values
+	for (i = 0; i < space.length; i++) {
+		capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));
+		values[space][i] = Math.round(capped);
+	}
+
+	// convert to all the other color spaces
+	for (var sname in spaces) {
+		if (sname !== space) {
+			values[sname] = colorConvert[space][sname](values[space]);
+		}
+	}
+
+	return true;
+};
+
+Color.prototype.setSpace = function (space, args) {
+	var vals = args[0];
+
+	if (vals === undefined) {
+		// color.rgb()
+		return this.getValues(space);
+	}
+
+	// color.rgb(10, 10, 10)
+	if (typeof vals === 'number') {
+		vals = Array.prototype.slice.call(args);
+	}
+
+	this.setValues(space, vals);
+	return this;
+};
+
+Color.prototype.setChannel = function (space, index, val) {
+	var svalues = this.values[space];
+	if (val === undefined) {
+		// color.red()
+		return svalues[index];
+	} else if (val === svalues[index]) {
+		// color.red(color.red())
+		return this;
+	}
+
+	// color.red(100)
+	svalues[index] = val;
+	this.setValues(space, svalues);
+
+	return this;
+};
+
+if (typeof window !== 'undefined') {
+	window.Color = Color;
+}
+
+var chartjsColor = Color;
+
+function isValidKey(key) {
+	return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;
+}
+
+/**
+ * @namespace Chart.helpers
+ */
+var helpers = {
+	/**
+	 * An empty function that can be used, for example, for optional callback.
+	 */
+	noop: function() {},
+
+	/**
+	 * Returns a unique id, sequentially generated from a global variable.
+	 * @returns {number}
+	 * @function
+	 */
+	uid: (function() {
+		var id = 0;
+		return function() {
+			return id++;
+		};
+	}()),
+
+	/**
+	 * Returns true if `value` is neither null nor undefined, else returns false.
+	 * @param {*} value - The value to test.
+	 * @returns {boolean}
+	 * @since 2.7.0
+	 */
+	isNullOrUndef: function(value) {
+		return value === null || typeof value === 'undefined';
+	},
+
+	/**
+	 * Returns true if `value` is an array (including typed arrays), else returns false.
+	 * @param {*} value - The value to test.
+	 * @returns {boolean}
+	 * @function
+	 */
+	isArray: function(value) {
+		if (Array.isArray && Array.isArray(value)) {
+			return true;
+		}
+		var type = Object.prototype.toString.call(value);
+		if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {
+			return true;
+		}
+		return false;
+	},
+
+	/**
+	 * Returns true if `value` is an object (excluding null), else returns false.
+	 * @param {*} value - The value to test.
+	 * @returns {boolean}
+	 * @since 2.7.0
+	 */
+	isObject: function(value) {
+		return value !== null && Object.prototype.toString.call(value) === '[object Object]';
+	},
+
+	/**
+	 * Returns true if `value` is a finite number, else returns false
+	 * @param {*} value  - The value to test.
+	 * @returns {boolean}
+	 */
+	isFinite: function(value) {
+		return (typeof value === 'number' || value instanceof Number) && isFinite(value);
+	},
+
+	/**
+	 * Returns `value` if defined, else returns `defaultValue`.
+	 * @param {*} value - The value to return if defined.
+	 * @param {*} defaultValue - The value to return if `value` is undefined.
+	 * @returns {*}
+	 */
+	valueOrDefault: function(value, defaultValue) {
+		return typeof value === 'undefined' ? defaultValue : value;
+	},
+
+	/**
+	 * Returns value at the given `index` in array if defined, else returns `defaultValue`.
+	 * @param {Array} value - The array to lookup for value at `index`.
+	 * @param {number} index - The index in `value` to lookup for value.
+	 * @param {*} defaultValue - The value to return if `value[index]` is undefined.
+	 * @returns {*}
+	 */
+	valueAtIndexOrDefault: function(value, index, defaultValue) {
+		return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);
+	},
+
+	/**
+	 * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the
+	 * value returned by `fn`. If `fn` is not a function, this method returns undefined.
+	 * @param {function} fn - The function to call.
+	 * @param {Array|undefined|null} args - The arguments with which `fn` should be called.
+	 * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
+	 * @returns {*}
+	 */
+	callback: function(fn, args, thisArg) {
+		if (fn && typeof fn.call === 'function') {
+			return fn.apply(thisArg, args);
+		}
+	},
+
+	/**
+	 * Note(SB) for performance sake, this method should only be used when loopable type
+	 * is unknown or in none intensive code (not called often and small loopable). Else
+	 * it's preferable to use a regular for() loop and save extra function calls.
+	 * @param {object|Array} loopable - The object or array to be iterated.
+	 * @param {function} fn - The function to call for each item.
+	 * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
+	 * @param {boolean} [reverse] - If true, iterates backward on the loopable.
+	 */
+	each: function(loopable, fn, thisArg, reverse) {
+		var i, len, keys;
+		if (helpers.isArray(loopable)) {
+			len = loopable.length;
+			if (reverse) {
+				for (i = len - 1; i >= 0; i--) {
+					fn.call(thisArg, loopable[i], i);
+				}
+			} else {
+				for (i = 0; i < len; i++) {
+					fn.call(thisArg, loopable[i], i);
+				}
+			}
+		} else if (helpers.isObject(loopable)) {
+			keys = Object.keys(loopable);
+			len = keys.length;
+			for (i = 0; i < len; i++) {
+				fn.call(thisArg, loopable[keys[i]], keys[i]);
+			}
+		}
+	},
+
+	/**
+	 * Returns true if the `a0` and `a1` arrays have the same content, else returns false.
+	 * @see https://stackoverflow.com/a/14853974
+	 * @param {Array} a0 - The array to compare
+	 * @param {Array} a1 - The array to compare
+	 * @returns {boolean}
+	 */
+	arrayEquals: function(a0, a1) {
+		var i, ilen, v0, v1;
+
+		if (!a0 || !a1 || a0.length !== a1.length) {
+			return false;
+		}
+
+		for (i = 0, ilen = a0.length; i < ilen; ++i) {
+			v0 = a0[i];
+			v1 = a1[i];
+
+			if (v0 instanceof Array && v1 instanceof Array) {
+				if (!helpers.arrayEquals(v0, v1)) {
+					return false;
+				}
+			} else if (v0 !== v1) {
+				// NOTE: two different object instances will never be equal: {x:20} != {x:20}
+				return false;
+			}
+		}
+
+		return true;
+	},
+
+	/**
+	 * Returns a deep copy of `source` without keeping references on objects and arrays.
+	 * @param {*} source - The value to clone.
+	 * @returns {*}
+	 */
+	clone: function(source) {
+		if (helpers.isArray(source)) {
+			return source.map(helpers.clone);
+		}
+
+		if (helpers.isObject(source)) {
+			var target = Object.create(source);
+			var keys = Object.keys(source);
+			var klen = keys.length;
+			var k = 0;
+
+			for (; k < klen; ++k) {
+				target[keys[k]] = helpers.clone(source[keys[k]]);
+			}
+
+			return target;
+		}
+
+		return source;
+	},
+
+	/**
+	 * The default merger when Chart.helpers.merge is called without merger option.
+	 * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback.
+	 * @private
+	 */
+	_merger: function(key, target, source, options) {
+		if (!isValidKey(key)) {
+			// We want to ensure we do not copy prototypes over
+			// as this can pollute global namespaces
+			return;
+		}
+
+		var tval = target[key];
+		var sval = source[key];
+
+		if (helpers.isObject(tval) && helpers.isObject(sval)) {
+			helpers.merge(tval, sval, options);
+		} else {
+			target[key] = helpers.clone(sval);
+		}
+	},
+
+	/**
+	 * Merges source[key] in target[key] only if target[key] is undefined.
+	 * @private
+	 */
+	_mergerIf: function(key, target, source) {
+		if (!isValidKey(key)) {
+			// We want to ensure we do not copy prototypes over
+			// as this can pollute global namespaces
+			return;
+		}
+
+		var tval = target[key];
+		var sval = source[key];
+
+		if (helpers.isObject(tval) && helpers.isObject(sval)) {
+			helpers.mergeIf(tval, sval);
+		} else if (!target.hasOwnProperty(key)) {
+			target[key] = helpers.clone(sval);
+		}
+	},
+
+	/**
+	 * Recursively deep copies `source` properties into `target` with the given `options`.
+	 * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
+	 * @param {object} target - The target object in which all sources are merged into.
+	 * @param {object|object[]} source - Object(s) to merge into `target`.
+	 * @param {object} [options] - Merging options:
+	 * @param {function} [options.merger] - The merge method (key, target, source, options)
+	 * @returns {object} The `target` object.
+	 */
+	merge: function(target, source, options) {
+		var sources = helpers.isArray(source) ? source : [source];
+		var ilen = sources.length;
+		var merge, i, keys, klen, k;
+
+		if (!helpers.isObject(target)) {
+			return target;
+		}
+
+		options = options || {};
+		merge = options.merger || helpers._merger;
+
+		for (i = 0; i < ilen; ++i) {
+			source = sources[i];
+			if (!helpers.isObject(source)) {
+				continue;
+			}
+
+			keys = Object.keys(source);
+			for (k = 0, klen = keys.length; k < klen; ++k) {
+				merge(keys[k], target, source, options);
+			}
+		}
+
+		return target;
+	},
+
+	/**
+	 * Recursively deep copies `source` properties into `target` *only* if not defined in target.
+	 * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
+	 * @param {object} target - The target object in which all sources are merged into.
+	 * @param {object|object[]} source - Object(s) to merge into `target`.
+	 * @returns {object} The `target` object.
+	 */
+	mergeIf: function(target, source) {
+		return helpers.merge(target, source, {merger: helpers._mergerIf});
+	},
+
+	/**
+	 * Applies the contents of two or more objects together into the first object.
+	 * @param {object} target - The target object in which all objects are merged into.
+	 * @param {object} arg1 - Object containing additional properties to merge in target.
+	 * @param {object} argN - Additional objects containing properties to merge in target.
+	 * @returns {object} The `target` object.
+	 */
+	extend: Object.assign || function(target) {
+		return helpers.merge(target, [].slice.call(arguments, 1), {
+			merger: function(key, dst, src) {
+				dst[key] = src[key];
+			}
+		});
+	},
+
+	/**
+	 * Basic javascript inheritance based on the model created in Backbone.js
+	 */
+	inherits: function(extensions) {
+		var me = this;
+		var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {
+			return me.apply(this, arguments);
+		};
+
+		var Surrogate = function() {
+			this.constructor = ChartElement;
+		};
+
+		Surrogate.prototype = me.prototype;
+		ChartElement.prototype = new Surrogate();
+		ChartElement.extend = helpers.inherits;
+
+		if (extensions) {
+			helpers.extend(ChartElement.prototype, extensions);
+		}
+
+		ChartElement.__super__ = me.prototype;
+		return ChartElement;
+	},
+
+	_deprecated: function(scope, value, previous, current) {
+		if (value !== undefined) {
+			console.warn(scope + ': "' + previous +
+				'" is deprecated. Please use "' + current + '" instead');
+		}
+	}
+};
+
+var helpers_core = helpers;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.callback instead.
+ * @function Chart.helpers.callCallback
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.callCallback = helpers.callback;
+
+/**
+ * Provided for backward compatibility, use Array.prototype.indexOf instead.
+ * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+
+ * @function Chart.helpers.indexOf
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.indexOf = function(array, item, fromIndex) {
+	return Array.prototype.indexOf.call(array, item, fromIndex);
+};
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.
+ * @function Chart.helpers.getValueOrDefault
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.getValueOrDefault = helpers.valueOrDefault;
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.
+ * @function Chart.helpers.getValueAtIndexOrDefault
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
+
+/**
+ * Easing functions adapted from Robert Penner's easing equations.
+ * @namespace Chart.helpers.easingEffects
+ * @see http://www.robertpenner.com/easing/
+ */
+var effects = {
+	linear: function(t) {
+		return t;
+	},
+
+	easeInQuad: function(t) {
+		return t * t;
+	},
+
+	easeOutQuad: function(t) {
+		return -t * (t - 2);
+	},
+
+	easeInOutQuad: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t;
+		}
+		return -0.5 * ((--t) * (t - 2) - 1);
+	},
+
+	easeInCubic: function(t) {
+		return t * t * t;
+	},
+
+	easeOutCubic: function(t) {
+		return (t = t - 1) * t * t + 1;
+	},
+
+	easeInOutCubic: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t * t;
+		}
+		return 0.5 * ((t -= 2) * t * t + 2);
+	},
+
+	easeInQuart: function(t) {
+		return t * t * t * t;
+	},
+
+	easeOutQuart: function(t) {
+		return -((t = t - 1) * t * t * t - 1);
+	},
+
+	easeInOutQuart: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t * t * t;
+		}
+		return -0.5 * ((t -= 2) * t * t * t - 2);
+	},
+
+	easeInQuint: function(t) {
+		return t * t * t * t * t;
+	},
+
+	easeOutQuint: function(t) {
+		return (t = t - 1) * t * t * t * t + 1;
+	},
+
+	easeInOutQuint: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t * t * t * t;
+		}
+		return 0.5 * ((t -= 2) * t * t * t * t + 2);
+	},
+
+	easeInSine: function(t) {
+		return -Math.cos(t * (Math.PI / 2)) + 1;
+	},
+
+	easeOutSine: function(t) {
+		return Math.sin(t * (Math.PI / 2));
+	},
+
+	easeInOutSine: function(t) {
+		return -0.5 * (Math.cos(Math.PI * t) - 1);
+	},
+
+	easeInExpo: function(t) {
+		return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));
+	},
+
+	easeOutExpo: function(t) {
+		return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;
+	},
+
+	easeInOutExpo: function(t) {
+		if (t === 0) {
+			return 0;
+		}
+		if (t === 1) {
+			return 1;
+		}
+		if ((t /= 0.5) < 1) {
+			return 0.5 * Math.pow(2, 10 * (t - 1));
+		}
+		return 0.5 * (-Math.pow(2, -10 * --t) + 2);
+	},
+
+	easeInCirc: function(t) {
+		if (t >= 1) {
+			return t;
+		}
+		return -(Math.sqrt(1 - t * t) - 1);
+	},
+
+	easeOutCirc: function(t) {
+		return Math.sqrt(1 - (t = t - 1) * t);
+	},
+
+	easeInOutCirc: function(t) {
+		if ((t /= 0.5) < 1) {
+			return -0.5 * (Math.sqrt(1 - t * t) - 1);
+		}
+		return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
+	},
+
+	easeInElastic: function(t) {
+		var s = 1.70158;
+		var p = 0;
+		var a = 1;
+		if (t === 0) {
+			return 0;
+		}
+		if (t === 1) {
+			return 1;
+		}
+		if (!p) {
+			p = 0.3;
+		}
+		if (a < 1) {
+			a = 1;
+			s = p / 4;
+		} else {
+			s = p / (2 * Math.PI) * Math.asin(1 / a);
+		}
+		return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
+	},
+
+	easeOutElastic: function(t) {
+		var s = 1.70158;
+		var p = 0;
+		var a = 1;
+		if (t === 0) {
+			return 0;
+		}
+		if (t === 1) {
+			return 1;
+		}
+		if (!p) {
+			p = 0.3;
+		}
+		if (a < 1) {
+			a = 1;
+			s = p / 4;
+		} else {
+			s = p / (2 * Math.PI) * Math.asin(1 / a);
+		}
+		return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;
+	},
+
+	easeInOutElastic: function(t) {
+		var s = 1.70158;
+		var p = 0;
+		var a = 1;
+		if (t === 0) {
+			return 0;
+		}
+		if ((t /= 0.5) === 2) {
+			return 1;
+		}
+		if (!p) {
+			p = 0.45;
+		}
+		if (a < 1) {
+			a = 1;
+			s = p / 4;
+		} else {
+			s = p / (2 * Math.PI) * Math.asin(1 / a);
+		}
+		if (t < 1) {
+			return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
+		}
+		return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;
+	},
+	easeInBack: function(t) {
+		var s = 1.70158;
+		return t * t * ((s + 1) * t - s);
+	},
+
+	easeOutBack: function(t) {
+		var s = 1.70158;
+		return (t = t - 1) * t * ((s + 1) * t + s) + 1;
+	},
+
+	easeInOutBack: function(t) {
+		var s = 1.70158;
+		if ((t /= 0.5) < 1) {
+			return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));
+		}
+		return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
+	},
+
+	easeInBounce: function(t) {
+		return 1 - effects.easeOutBounce(1 - t);
+	},
+
+	easeOutBounce: function(t) {
+		if (t < (1 / 2.75)) {
+			return 7.5625 * t * t;
+		}
+		if (t < (2 / 2.75)) {
+			return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;
+		}
+		if (t < (2.5 / 2.75)) {
+			return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;
+		}
+		return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;
+	},
+
+	easeInOutBounce: function(t) {
+		if (t < 0.5) {
+			return effects.easeInBounce(t * 2) * 0.5;
+		}
+		return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;
+	}
+};
+
+var helpers_easing = {
+	effects: effects
+};
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.easing.effects instead.
+ * @function Chart.helpers.easingEffects
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.easingEffects = effects;
+
+var PI = Math.PI;
+var RAD_PER_DEG = PI / 180;
+var DOUBLE_PI = PI * 2;
+var HALF_PI = PI / 2;
+var QUARTER_PI = PI / 4;
+var TWO_THIRDS_PI = PI * 2 / 3;
+
+/**
+ * @namespace Chart.helpers.canvas
+ */
+var exports$1 = {
+	/**
+	 * Clears the entire canvas associated to the given `chart`.
+	 * @param {Chart} chart - The chart for which to clear the canvas.
+	 */
+	clear: function(chart) {
+		chart.ctx.clearRect(0, 0, chart.width, chart.height);
+	},
+
+	/**
+	 * Creates a "path" for a rectangle with rounded corners at position (x, y) with a
+	 * given size (width, height) and the same `radius` for all corners.
+	 * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.
+	 * @param {number} x - The x axis of the coordinate for the rectangle starting point.
+	 * @param {number} y - The y axis of the coordinate for the rectangle starting point.
+	 * @param {number} width - The rectangle's width.
+	 * @param {number} height - The rectangle's height.
+	 * @param {number} radius - The rounded amount (in pixels) for the four corners.
+	 * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?
+	 */
+	roundedRect: function(ctx, x, y, width, height, radius) {
+		if (radius) {
+			var r = Math.min(radius, height / 2, width / 2);
+			var left = x + r;
+			var top = y + r;
+			var right = x + width - r;
+			var bottom = y + height - r;
+
+			ctx.moveTo(x, top);
+			if (left < right && top < bottom) {
+				ctx.arc(left, top, r, -PI, -HALF_PI);
+				ctx.arc(right, top, r, -HALF_PI, 0);
+				ctx.arc(right, bottom, r, 0, HALF_PI);
+				ctx.arc(left, bottom, r, HALF_PI, PI);
+			} else if (left < right) {
+				ctx.moveTo(left, y);
+				ctx.arc(right, top, r, -HALF_PI, HALF_PI);
+				ctx.arc(left, top, r, HALF_PI, PI + HALF_PI);
+			} else if (top < bottom) {
+				ctx.arc(left, top, r, -PI, 0);
+				ctx.arc(left, bottom, r, 0, PI);
+			} else {
+				ctx.arc(left, top, r, -PI, PI);
+			}
+			ctx.closePath();
+			ctx.moveTo(x, y);
+		} else {
+			ctx.rect(x, y, width, height);
+		}
+	},
+
+	drawPoint: function(ctx, style, radius, x, y, rotation) {
+		var type, xOffset, yOffset, size, cornerRadius;
+		var rad = (rotation || 0) * RAD_PER_DEG;
+
+		if (style && typeof style === 'object') {
+			type = style.toString();
+			if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {
+				ctx.save();
+				ctx.translate(x, y);
+				ctx.rotate(rad);
+				ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);
+				ctx.restore();
+				return;
+			}
+		}
+
+		if (isNaN(radius) || radius <= 0) {
+			return;
+		}
+
+		ctx.beginPath();
+
+		switch (style) {
+		// Default includes circle
+		default:
+			ctx.arc(x, y, radius, 0, DOUBLE_PI);
+			ctx.closePath();
+			break;
+		case 'triangle':
+			ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+			rad += TWO_THIRDS_PI;
+			ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+			rad += TWO_THIRDS_PI;
+			ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+			ctx.closePath();
+			break;
+		case 'rectRounded':
+			// NOTE: the rounded rect implementation changed to use `arc` instead of
+			// `quadraticCurveTo` since it generates better results when rect is
+			// almost a circle. 0.516 (instead of 0.5) produces results with visually
+			// closer proportion to the previous impl and it is inscribed in the
+			// circle with `radius`. For more details, see the following PRs:
+			// https://github.com/chartjs/Chart.js/issues/5597
+			// https://github.com/chartjs/Chart.js/issues/5858
+			cornerRadius = radius * 0.516;
+			size = radius - cornerRadius;
+			xOffset = Math.cos(rad + QUARTER_PI) * size;
+			yOffset = Math.sin(rad + QUARTER_PI) * size;
+			ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);
+			ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);
+			ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);
+			ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);
+			ctx.closePath();
+			break;
+		case 'rect':
+			if (!rotation) {
+				size = Math.SQRT1_2 * radius;
+				ctx.rect(x - size, y - size, 2 * size, 2 * size);
+				break;
+			}
+			rad += QUARTER_PI;
+			/* falls through */
+		case 'rectRot':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			ctx.closePath();
+			break;
+		case 'crossRot':
+			rad += QUARTER_PI;
+			/* falls through */
+		case 'cross':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.moveTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			break;
+		case 'star':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.moveTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			rad += QUARTER_PI;
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.moveTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			break;
+		case 'line':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			break;
+		case 'dash':
+			ctx.moveTo(x, y);
+			ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);
+			break;
+		}
+
+		ctx.fill();
+		ctx.stroke();
+	},
+
+	/**
+	 * Returns true if the point is inside the rectangle
+	 * @param {object} point - The point to test
+	 * @param {object} area - The rectangle
+	 * @returns {boolean}
+	 * @private
+	 */
+	_isPointInArea: function(point, area) {
+		var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.
+
+		return point.x > area.left - epsilon && point.x < area.right + epsilon &&
+			point.y > area.top - epsilon && point.y < area.bottom + epsilon;
+	},
+
+	clipArea: function(ctx, area) {
+		ctx.save();
+		ctx.beginPath();
+		ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
+		ctx.clip();
+	},
+
+	unclipArea: function(ctx) {
+		ctx.restore();
+	},
+
+	lineTo: function(ctx, previous, target, flip) {
+		var stepped = target.steppedLine;
+		if (stepped) {
+			if (stepped === 'middle') {
+				var midpoint = (previous.x + target.x) / 2.0;
+				ctx.lineTo(midpoint, flip ? target.y : previous.y);
+				ctx.lineTo(midpoint, flip ? previous.y : target.y);
+			} else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) {
+				ctx.lineTo(previous.x, target.y);
+			} else {
+				ctx.lineTo(target.x, previous.y);
+			}
+			ctx.lineTo(target.x, target.y);
+			return;
+		}
+
+		if (!target.tension) {
+			ctx.lineTo(target.x, target.y);
+			return;
+		}
+
+		ctx.bezierCurveTo(
+			flip ? previous.controlPointPreviousX : previous.controlPointNextX,
+			flip ? previous.controlPointPreviousY : previous.controlPointNextY,
+			flip ? target.controlPointNextX : target.controlPointPreviousX,
+			flip ? target.controlPointNextY : target.controlPointPreviousY,
+			target.x,
+			target.y);
+	}
+};
+
+var helpers_canvas = exports$1;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.
+ * @namespace Chart.helpers.clear
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.clear = exports$1.clear;
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.
+ * @namespace Chart.helpers.drawRoundedRectangle
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.drawRoundedRectangle = function(ctx) {
+	ctx.beginPath();
+	exports$1.roundedRect.apply(exports$1, arguments);
+};
+
+var defaults = {
+	/**
+	 * @private
+	 */
+	_set: function(scope, values) {
+		return helpers_core.merge(this[scope] || (this[scope] = {}), values);
+	}
+};
+
+// TODO(v3): remove 'global' from namespace.  all default are global and
+// there's inconsistency around which options are under 'global'
+defaults._set('global', {
+	defaultColor: 'rgba(0,0,0,0.1)',
+	defaultFontColor: '#666',
+	defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
+	defaultFontSize: 12,
+	defaultFontStyle: 'normal',
+	defaultLineHeight: 1.2,
+	showLines: true
+});
+
+var core_defaults = defaults;
+
+var valueOrDefault = helpers_core.valueOrDefault;
+
+/**
+ * Converts the given font object into a CSS font string.
+ * @param {object} font - A font object.
+ * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font
+ * @private
+ */
+function toFontString(font) {
+	if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) {
+		return null;
+	}
+
+	return (font.style ? font.style + ' ' : '')
+		+ (font.weight ? font.weight + ' ' : '')
+		+ font.size + 'px '
+		+ font.family;
+}
+
+/**
+ * @alias Chart.helpers.options
+ * @namespace
+ */
+var helpers_options = {
+	/**
+	 * Converts the given line height `value` in pixels for a specific font `size`.
+	 * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').
+	 * @param {number} size - The font size (in pixels) used to resolve relative `value`.
+	 * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid).
+	 * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height
+	 * @since 2.7.0
+	 */
+	toLineHeight: function(value, size) {
+		var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);
+		if (!matches || matches[1] === 'normal') {
+			return size * 1.2;
+		}
+
+		value = +matches[2];
+
+		switch (matches[3]) {
+		case 'px':
+			return value;
+		case '%':
+			value /= 100;
+			break;
+		}
+
+		return size * value;
+	},
+
+	/**
+	 * Converts the given value into a padding object with pre-computed width/height.
+	 * @param {number|object} value - If a number, set the value to all TRBL component,
+	 *  else, if and object, use defined properties and sets undefined ones to 0.
+	 * @returns {object} The padding values (top, right, bottom, left, width, height)
+	 * @since 2.7.0
+	 */
+	toPadding: function(value) {
+		var t, r, b, l;
+
+		if (helpers_core.isObject(value)) {
+			t = +value.top || 0;
+			r = +value.right || 0;
+			b = +value.bottom || 0;
+			l = +value.left || 0;
+		} else {
+			t = r = b = l = +value || 0;
+		}
+
+		return {
+			top: t,
+			right: r,
+			bottom: b,
+			left: l,
+			height: t + b,
+			width: l + r
+		};
+	},
+
+	/**
+	 * Parses font options and returns the font object.
+	 * @param {object} options - A object that contains font options to be parsed.
+	 * @return {object} The font object.
+	 * @todo Support font.* options and renamed to toFont().
+	 * @private
+	 */
+	_parseFont: function(options) {
+		var globalDefaults = core_defaults.global;
+		var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);
+		var font = {
+			family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily),
+			lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size),
+			size: size,
+			style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle),
+			weight: null,
+			string: ''
+		};
+
+		font.string = toFontString(font);
+		return font;
+	},
+
+	/**
+	 * Evaluates the given `inputs` sequentially and returns the first defined value.
+	 * @param {Array} inputs - An array of values, falling back to the last value.
+	 * @param {object} [context] - If defined and the current value is a function, the value
+	 * is called with `context` as first argument and the result becomes the new input.
+	 * @param {number} [index] - If defined and the current value is an array, the value
+	 * at `index` become the new input.
+	 * @param {object} [info] - object to return information about resolution in
+	 * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable.
+	 * @since 2.7.0
+	 */
+	resolve: function(inputs, context, index, info) {
+		var cacheable = true;
+		var i, ilen, value;
+
+		for (i = 0, ilen = inputs.length; i < ilen; ++i) {
+			value = inputs[i];
+			if (value === undefined) {
+				continue;
+			}
+			if (context !== undefined && typeof value === 'function') {
+				value = value(context);
+				cacheable = false;
+			}
+			if (index !== undefined && helpers_core.isArray(value)) {
+				value = value[index];
+				cacheable = false;
+			}
+			if (value !== undefined) {
+				if (info && !cacheable) {
+					info.cacheable = false;
+				}
+				return value;
+			}
+		}
+	}
+};
+
+/**
+ * @alias Chart.helpers.math
+ * @namespace
+ */
+var exports$2 = {
+	/**
+	 * Returns an array of factors sorted from 1 to sqrt(value)
+	 * @private
+	 */
+	_factorize: function(value) {
+		var result = [];
+		var sqrt = Math.sqrt(value);
+		var i;
+
+		for (i = 1; i < sqrt; i++) {
+			if (value % i === 0) {
+				result.push(i);
+				result.push(value / i);
+			}
+		}
+		if (sqrt === (sqrt | 0)) { // if value is a square number
+			result.push(sqrt);
+		}
+
+		result.sort(function(a, b) {
+			return a - b;
+		}).pop();
+		return result;
+	},
+
+	log10: Math.log10 || function(x) {
+		var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.
+		// Check for whole powers of 10,
+		// which due to floating point rounding error should be corrected.
+		var powerOf10 = Math.round(exponent);
+		var isPowerOf10 = x === Math.pow(10, powerOf10);
+
+		return isPowerOf10 ? powerOf10 : exponent;
+	}
+};
+
+var helpers_math = exports$2;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.math.log10 instead.
+ * @namespace Chart.helpers.log10
+ * @deprecated since version 2.9.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.log10 = exports$2.log10;
+
+var getRtlAdapter = function(rectX, width) {
+	return {
+		x: function(x) {
+			return rectX + rectX + width - x;
+		},
+		setWidth: function(w) {
+			width = w;
+		},
+		textAlign: function(align) {
+			if (align === 'center') {
+				return align;
+			}
+			return align === 'right' ? 'left' : 'right';
+		},
+		xPlus: function(x, value) {
+			return x - value;
+		},
+		leftForLtr: function(x, itemWidth) {
+			return x - itemWidth;
+		},
+	};
+};
+
+var getLtrAdapter = function() {
+	return {
+		x: function(x) {
+			return x;
+		},
+		setWidth: function(w) { // eslint-disable-line no-unused-vars
+		},
+		textAlign: function(align) {
+			return align;
+		},
+		xPlus: function(x, value) {
+			return x + value;
+		},
+		leftForLtr: function(x, _itemWidth) { // eslint-disable-line no-unused-vars
+			return x;
+		},
+	};
+};
+
+var getAdapter = function(rtl, rectX, width) {
+	return rtl ? getRtlAdapter(rectX, width) : getLtrAdapter();
+};
+
+var overrideTextDirection = function(ctx, direction) {
+	var style, original;
+	if (direction === 'ltr' || direction === 'rtl') {
+		style = ctx.canvas.style;
+		original = [
+			style.getPropertyValue('direction'),
+			style.getPropertyPriority('direction'),
+		];
+
+		style.setProperty('direction', direction, 'important');
+		ctx.prevTextDirection = original;
+	}
+};
+
+var restoreTextDirection = function(ctx) {
+	var original = ctx.prevTextDirection;
+	if (original !== undefined) {
+		delete ctx.prevTextDirection;
+		ctx.canvas.style.setProperty('direction', original[0], original[1]);
+	}
+};
+
+var helpers_rtl = {
+	getRtlAdapter: getAdapter,
+	overrideTextDirection: overrideTextDirection,
+	restoreTextDirection: restoreTextDirection,
+};
+
+var helpers$1 = helpers_core;
+var easing = helpers_easing;
+var canvas = helpers_canvas;
+var options = helpers_options;
+var math = helpers_math;
+var rtl = helpers_rtl;
+helpers$1.easing = easing;
+helpers$1.canvas = canvas;
+helpers$1.options = options;
+helpers$1.math = math;
+helpers$1.rtl = rtl;
+
+function interpolate(start, view, model, ease) {
+	var keys = Object.keys(model);
+	var i, ilen, key, actual, origin, target, type, c0, c1;
+
+	for (i = 0, ilen = keys.length; i < ilen; ++i) {
+		key = keys[i];
+
+		target = model[key];
+
+		// if a value is added to the model after pivot() has been called, the view
+		// doesn't contain it, so let's initialize the view to the target value.
+		if (!view.hasOwnProperty(key)) {
+			view[key] = target;
+		}
+
+		actual = view[key];
+
+		if (actual === target || key[0] === '_') {
+			continue;
+		}
+
+		if (!start.hasOwnProperty(key)) {
+			start[key] = actual;
+		}
+
+		origin = start[key];
+
+		type = typeof target;
+
+		if (type === typeof origin) {
+			if (type === 'string') {
+				c0 = chartjsColor(origin);
+				if (c0.valid) {
+					c1 = chartjsColor(target);
+					if (c1.valid) {
+						view[key] = c1.mix(c0, ease).rgbString();
+						continue;
+					}
+				}
+			} else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) {
+				view[key] = origin + (target - origin) * ease;
+				continue;
+			}
+		}
+
+		view[key] = target;
+	}
+}
+
+var Element = function(configuration) {
+	helpers$1.extend(this, configuration);
+	this.initialize.apply(this, arguments);
+};
+
+helpers$1.extend(Element.prototype, {
+	_type: undefined,
+
+	initialize: function() {
+		this.hidden = false;
+	},
+
+	pivot: function() {
+		var me = this;
+		if (!me._view) {
+			me._view = helpers$1.extend({}, me._model);
+		}
+		me._start = {};
+		return me;
+	},
+
+	transition: function(ease) {
+		var me = this;
+		var model = me._model;
+		var start = me._start;
+		var view = me._view;
+
+		// No animation -> No Transition
+		if (!model || ease === 1) {
+			me._view = helpers$1.extend({}, model);
+			me._start = null;
+			return me;
+		}
+
+		if (!view) {
+			view = me._view = {};
+		}
+
+		if (!start) {
+			start = me._start = {};
+		}
+
+		interpolate(start, view, model, ease);
+
+		return me;
+	},
+
+	tooltipPosition: function() {
+		return {
+			x: this._model.x,
+			y: this._model.y
+		};
+	},
+
+	hasValue: function() {
+		return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y);
+	}
+});
+
+Element.extend = helpers$1.inherits;
+
+var core_element = Element;
+
+var exports$3 = core_element.extend({
+	chart: null, // the animation associated chart instance
+	currentStep: 0, // the current animation step
+	numSteps: 60, // default number of steps
+	easing: '', // the easing to use for this animation
+	render: null, // render function used by the animation service
+
+	onAnimationProgress: null, // user specified callback to fire on each step of the animation
+	onAnimationComplete: null, // user specified callback to fire when the animation finishes
+});
+
+var core_animation = exports$3;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.Animation instead
+ * @prop Chart.Animation#animationObject
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ */
+Object.defineProperty(exports$3.prototype, 'animationObject', {
+	get: function() {
+		return this;
+	}
+});
+
+/**
+ * Provided for backward compatibility, use Chart.Animation#chart instead
+ * @prop Chart.Animation#chartInstance
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ */
+Object.defineProperty(exports$3.prototype, 'chartInstance', {
+	get: function() {
+		return this.chart;
+	},
+	set: function(value) {
+		this.chart = value;
+	}
+});
+
+core_defaults._set('global', {
+	animation: {
+		duration: 1000,
+		easing: 'easeOutQuart',
+		onProgress: helpers$1.noop,
+		onComplete: helpers$1.noop
+	}
+});
+
+var core_animations = {
+	animations: [],
+	request: null,
+
+	/**
+	 * @param {Chart} chart - The chart to animate.
+	 * @param {Chart.Animation} animation - The animation that we will animate.
+	 * @param {number} duration - The animation duration in ms.
+	 * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions
+	 */
+	addAnimation: function(chart, animation, duration, lazy) {
+		var animations = this.animations;
+		var i, ilen;
+
+		animation.chart = chart;
+		animation.startTime = Date.now();
+		animation.duration = duration;
+
+		if (!lazy) {
+			chart.animating = true;
+		}
+
+		for (i = 0, ilen = animations.length; i < ilen; ++i) {
+			if (animations[i].chart === chart) {
+				animations[i] = animation;
+				return;
+			}
+		}
+
+		animations.push(animation);
+
+		// If there are no animations queued, manually kickstart a digest, for lack of a better word
+		if (animations.length === 1) {
+			this.requestAnimationFrame();
+		}
+	},
+
+	cancelAnimation: function(chart) {
+		var index = helpers$1.findIndex(this.animations, function(animation) {
+			return animation.chart === chart;
+		});
+
+		if (index !== -1) {
+			this.animations.splice(index, 1);
+			chart.animating = false;
+		}
+	},
+
+	requestAnimationFrame: function() {
+		var me = this;
+		if (me.request === null) {
+			// Skip animation frame requests until the active one is executed.
+			// This can happen when processing mouse events, e.g. 'mousemove'
+			// and 'mouseout' events will trigger multiple renders.
+			me.request = helpers$1.requestAnimFrame.call(window, function() {
+				me.request = null;
+				me.startDigest();
+			});
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	startDigest: function() {
+		var me = this;
+
+		me.advance();
+
+		// Do we have more stuff to animate?
+		if (me.animations.length > 0) {
+			me.requestAnimationFrame();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	advance: function() {
+		var animations = this.animations;
+		var animation, chart, numSteps, nextStep;
+		var i = 0;
+
+		// 1 animation per chart, so we are looping charts here
+		while (i < animations.length) {
+			animation = animations[i];
+			chart = animation.chart;
+			numSteps = animation.numSteps;
+
+			// Make sure that currentStep starts at 1
+			// https://github.com/chartjs/Chart.js/issues/6104
+			nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1;
+			animation.currentStep = Math.min(nextStep, numSteps);
+
+			helpers$1.callback(animation.render, [chart, animation], chart);
+			helpers$1.callback(animation.onAnimationProgress, [animation], chart);
+
+			if (animation.currentStep >= numSteps) {
+				helpers$1.callback(animation.onAnimationComplete, [animation], chart);
+				chart.animating = false;
+				animations.splice(i, 1);
+			} else {
+				++i;
+			}
+		}
+	}
+};
+
+var resolve = helpers$1.options.resolve;
+
+var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];
+
+/**
+ * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',
+ * 'unshift') and notify the listener AFTER the array has been altered. Listeners are
+ * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.
+ */
+function listenArrayEvents(array, listener) {
+	if (array._chartjs) {
+		array._chartjs.listeners.push(listener);
+		return;
+	}
+
+	Object.defineProperty(array, '_chartjs', {
+		configurable: true,
+		enumerable: false,
+		value: {
+			listeners: [listener]
+		}
+	});
+
+	arrayEvents.forEach(function(key) {
+		var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);
+		var base = array[key];
+
+		Object.defineProperty(array, key, {
+			configurable: true,
+			enumerable: false,
+			value: function() {
+				var args = Array.prototype.slice.call(arguments);
+				var res = base.apply(this, args);
+
+				helpers$1.each(array._chartjs.listeners, function(object) {
+					if (typeof object[method] === 'function') {
+						object[method].apply(object, args);
+					}
+				});
+
+				return res;
+			}
+		});
+	});
+}
+
+/**
+ * Removes the given array event listener and cleanup extra attached properties (such as
+ * the _chartjs stub and overridden methods) if array doesn't have any more listeners.
+ */
+function unlistenArrayEvents(array, listener) {
+	var stub = array._chartjs;
+	if (!stub) {
+		return;
+	}
+
+	var listeners = stub.listeners;
+	var index = listeners.indexOf(listener);
+	if (index !== -1) {
+		listeners.splice(index, 1);
+	}
+
+	if (listeners.length > 0) {
+		return;
+	}
+
+	arrayEvents.forEach(function(key) {
+		delete array[key];
+	});
+
+	delete array._chartjs;
+}
+
+// Base class for all dataset controllers (line, bar, etc)
+var DatasetController = function(chart, datasetIndex) {
+	this.initialize(chart, datasetIndex);
+};
+
+helpers$1.extend(DatasetController.prototype, {
+
+	/**
+	 * Element type used to generate a meta dataset (e.g. Chart.element.Line).
+	 * @type {Chart.core.element}
+	 */
+	datasetElementType: null,
+
+	/**
+	 * Element type used to generate a meta data (e.g. Chart.element.Point).
+	 * @type {Chart.core.element}
+	 */
+	dataElementType: null,
+
+	/**
+	 * Dataset element option keys to be resolved in _resolveDatasetElementOptions.
+	 * A derived controller may override this to resolve controller-specific options.
+	 * The keys defined here are for backward compatibility for legend styles.
+	 * @private
+	 */
+	_datasetElementOptions: [
+		'backgroundColor',
+		'borderCapStyle',
+		'borderColor',
+		'borderDash',
+		'borderDashOffset',
+		'borderJoinStyle',
+		'borderWidth'
+	],
+
+	/**
+	 * Data element option keys to be resolved in _resolveDataElementOptions.
+	 * A derived controller may override this to resolve controller-specific options.
+	 * The keys defined here are for backward compatibility for legend styles.
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'pointStyle'
+	],
+
+	initialize: function(chart, datasetIndex) {
+		var me = this;
+		me.chart = chart;
+		me.index = datasetIndex;
+		me.linkScales();
+		me.addElements();
+		me._type = me.getMeta().type;
+	},
+
+	updateIndex: function(datasetIndex) {
+		this.index = datasetIndex;
+	},
+
+	linkScales: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var chart = me.chart;
+		var scales = chart.scales;
+		var dataset = me.getDataset();
+		var scalesOpts = chart.options.scales;
+
+		if (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) {
+			meta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id;
+		}
+		if (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) {
+			meta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id;
+		}
+	},
+
+	getDataset: function() {
+		return this.chart.data.datasets[this.index];
+	},
+
+	getMeta: function() {
+		return this.chart.getDatasetMeta(this.index);
+	},
+
+	getScaleForId: function(scaleID) {
+		return this.chart.scales[scaleID];
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.getMeta().yAxisID;
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.getMeta().xAxisID;
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScale: function() {
+		return this.getScaleForId(this._getValueScaleId());
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScale: function() {
+		return this.getScaleForId(this._getIndexScaleId());
+	},
+
+	reset: function() {
+		this._update(true);
+	},
+
+	/**
+	 * @private
+	 */
+	destroy: function() {
+		if (this._data) {
+			unlistenArrayEvents(this._data, this);
+		}
+	},
+
+	createMetaDataset: function() {
+		var me = this;
+		var type = me.datasetElementType;
+		return type && new type({
+			_chart: me.chart,
+			_datasetIndex: me.index
+		});
+	},
+
+	createMetaData: function(index) {
+		var me = this;
+		var type = me.dataElementType;
+		return type && new type({
+			_chart: me.chart,
+			_datasetIndex: me.index,
+			_index: index
+		});
+	},
+
+	addElements: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var data = me.getDataset().data || [];
+		var metaData = meta.data;
+		var i, ilen;
+
+		for (i = 0, ilen = data.length; i < ilen; ++i) {
+			metaData[i] = metaData[i] || me.createMetaData(i);
+		}
+
+		meta.dataset = meta.dataset || me.createMetaDataset();
+	},
+
+	addElementAndReset: function(index) {
+		var element = this.createMetaData(index);
+		this.getMeta().data.splice(index, 0, element);
+		this.updateElement(element, index, true);
+	},
+
+	buildOrUpdateElements: function() {
+		var me = this;
+		var dataset = me.getDataset();
+		var data = dataset.data || (dataset.data = []);
+
+		// In order to correctly handle data addition/deletion animation (an thus simulate
+		// real-time charts), we need to monitor these data modifications and synchronize
+		// the internal meta data accordingly.
+		if (me._data !== data) {
+			if (me._data) {
+				// This case happens when the user replaced the data array instance.
+				unlistenArrayEvents(me._data, me);
+			}
+
+			if (data && Object.isExtensible(data)) {
+				listenArrayEvents(data, me);
+			}
+			me._data = data;
+		}
+
+		// Re-sync meta data in case the user replaced the data array or if we missed
+		// any updates and so make sure that we handle number of datapoints changing.
+		me.resyncElements();
+	},
+
+	/**
+	 * Returns the merged user-supplied and default dataset-level options
+	 * @private
+	 */
+	_configure: function() {
+		var me = this;
+		me._config = helpers$1.merge(Object.create(null), [
+			me.chart.options.datasets[me._type],
+			me.getDataset(),
+		], {
+			merger: function(key, target, source) {
+				if (key !== '_meta' && key !== 'data') {
+					helpers$1._merger(key, target, source);
+				}
+			}
+		});
+	},
+
+	_update: function(reset) {
+		var me = this;
+		me._configure();
+		me._cachedDataOpts = null;
+		me.update(reset);
+	},
+
+	update: helpers$1.noop,
+
+	transition: function(easingValue) {
+		var meta = this.getMeta();
+		var elements = meta.data || [];
+		var ilen = elements.length;
+		var i = 0;
+
+		for (; i < ilen; ++i) {
+			elements[i].transition(easingValue);
+		}
+
+		if (meta.dataset) {
+			meta.dataset.transition(easingValue);
+		}
+	},
+
+	draw: function() {
+		var meta = this.getMeta();
+		var elements = meta.data || [];
+		var ilen = elements.length;
+		var i = 0;
+
+		if (meta.dataset) {
+			meta.dataset.draw();
+		}
+
+		for (; i < ilen; ++i) {
+			elements[i].draw();
+		}
+	},
+
+	/**
+	 * Returns a set of predefined style properties that should be used to represent the dataset
+	 * or the data if the index is specified
+	 * @param {number} index - data index
+	 * @return {IStyleInterface} style object
+	 */
+	getStyle: function(index) {
+		var me = this;
+		var meta = me.getMeta();
+		var dataset = meta.dataset;
+		var style;
+
+		me._configure();
+		if (dataset && index === undefined) {
+			style = me._resolveDatasetElementOptions(dataset || {});
+		} else {
+			index = index || 0;
+			style = me._resolveDataElementOptions(meta.data[index] || {}, index);
+		}
+
+		if (style.fill === false || style.fill === null) {
+			style.backgroundColor = style.borderColor;
+		}
+
+		return style;
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDatasetElementOptions: function(element, hover) {
+		var me = this;
+		var chart = me.chart;
+		var datasetOpts = me._config;
+		var custom = element.custom || {};
+		var options = chart.options.elements[me.datasetElementType.prototype._type] || {};
+		var elementOptions = me._datasetElementOptions;
+		var values = {};
+		var i, ilen, key, readKey;
+
+		// Scriptable options
+		var context = {
+			chart: chart,
+			dataset: me.getDataset(),
+			datasetIndex: me.index,
+			hover: hover
+		};
+
+		for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
+			key = elementOptions[i];
+			readKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key;
+			values[key] = resolve([
+				custom[readKey],
+				datasetOpts[readKey],
+				options[readKey]
+			], context);
+		}
+
+		return values;
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDataElementOptions: function(element, index) {
+		var me = this;
+		var custom = element && element.custom;
+		var cached = me._cachedDataOpts;
+		if (cached && !custom) {
+			return cached;
+		}
+		var chart = me.chart;
+		var datasetOpts = me._config;
+		var options = chart.options.elements[me.dataElementType.prototype._type] || {};
+		var elementOptions = me._dataElementOptions;
+		var values = {};
+
+		// Scriptable options
+		var context = {
+			chart: chart,
+			dataIndex: index,
+			dataset: me.getDataset(),
+			datasetIndex: me.index
+		};
+
+		// `resolve` sets cacheable to `false` if any option is indexed or scripted
+		var info = {cacheable: !custom};
+
+		var keys, i, ilen, key;
+
+		custom = custom || {};
+
+		if (helpers$1.isArray(elementOptions)) {
+			for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
+				key = elementOptions[i];
+				values[key] = resolve([
+					custom[key],
+					datasetOpts[key],
+					options[key]
+				], context, index, info);
+			}
+		} else {
+			keys = Object.keys(elementOptions);
+			for (i = 0, ilen = keys.length; i < ilen; ++i) {
+				key = keys[i];
+				values[key] = resolve([
+					custom[key],
+					datasetOpts[elementOptions[key]],
+					datasetOpts[key],
+					options[key]
+				], context, index, info);
+			}
+		}
+
+		if (info.cacheable) {
+			me._cachedDataOpts = Object.freeze(values);
+		}
+
+		return values;
+	},
+
+	removeHoverStyle: function(element) {
+		helpers$1.merge(element._model, element.$previousStyle || {});
+		delete element.$previousStyle;
+	},
+
+	setHoverStyle: function(element) {
+		var dataset = this.chart.data.datasets[element._datasetIndex];
+		var index = element._index;
+		var custom = element.custom || {};
+		var model = element._model;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		element.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth
+		};
+
+		model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index);
+		model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index);
+		model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index);
+	},
+
+	/**
+	 * @private
+	 */
+	_removeDatasetHoverStyle: function() {
+		var element = this.getMeta().dataset;
+
+		if (element) {
+			this.removeHoverStyle(element);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_setDatasetHoverStyle: function() {
+		var element = this.getMeta().dataset;
+		var prev = {};
+		var i, ilen, key, keys, hoverOptions, model;
+
+		if (!element) {
+			return;
+		}
+
+		model = element._model;
+		hoverOptions = this._resolveDatasetElementOptions(element, true);
+
+		keys = Object.keys(hoverOptions);
+		for (i = 0, ilen = keys.length; i < ilen; ++i) {
+			key = keys[i];
+			prev[key] = model[key];
+			model[key] = hoverOptions[key];
+		}
+
+		element.$previousStyle = prev;
+	},
+
+	/**
+	 * @private
+	 */
+	resyncElements: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var data = me.getDataset().data;
+		var numMeta = meta.data.length;
+		var numData = data.length;
+
+		if (numData < numMeta) {
+			meta.data.splice(numData, numMeta - numData);
+		} else if (numData > numMeta) {
+			me.insertElements(numMeta, numData - numMeta);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	insertElements: function(start, count) {
+		for (var i = 0; i < count; ++i) {
+			this.addElementAndReset(start + i);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	onDataPush: function() {
+		var count = arguments.length;
+		this.insertElements(this.getDataset().data.length - count, count);
+	},
+
+	/**
+	 * @private
+	 */
+	onDataPop: function() {
+		this.getMeta().data.pop();
+	},
+
+	/**
+	 * @private
+	 */
+	onDataShift: function() {
+		this.getMeta().data.shift();
+	},
+
+	/**
+	 * @private
+	 */
+	onDataSplice: function(start, count) {
+		this.getMeta().data.splice(start, count);
+		this.insertElements(start, arguments.length - 2);
+	},
+
+	/**
+	 * @private
+	 */
+	onDataUnshift: function() {
+		this.insertElements(0, arguments.length);
+	}
+});
+
+DatasetController.extend = helpers$1.inherits;
+
+var core_datasetController = DatasetController;
+
+var TAU = Math.PI * 2;
+
+core_defaults._set('global', {
+	elements: {
+		arc: {
+			backgroundColor: core_defaults.global.defaultColor,
+			borderColor: '#fff',
+			borderWidth: 2,
+			borderAlign: 'center'
+		}
+	}
+});
+
+function clipArc(ctx, arc) {
+	var startAngle = arc.startAngle;
+	var endAngle = arc.endAngle;
+	var pixelMargin = arc.pixelMargin;
+	var angleMargin = pixelMargin / arc.outerRadius;
+	var x = arc.x;
+	var y = arc.y;
+
+	// Draw an inner border by cliping the arc and drawing a double-width border
+	// Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders
+	ctx.beginPath();
+	ctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin);
+	if (arc.innerRadius > pixelMargin) {
+		angleMargin = pixelMargin / arc.innerRadius;
+		ctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true);
+	} else {
+		ctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2);
+	}
+	ctx.closePath();
+	ctx.clip();
+}
+
+function drawFullCircleBorders(ctx, vm, arc, inner) {
+	var endAngle = arc.endAngle;
+	var i;
+
+	if (inner) {
+		arc.endAngle = arc.startAngle + TAU;
+		clipArc(ctx, arc);
+		arc.endAngle = endAngle;
+		if (arc.endAngle === arc.startAngle && arc.fullCircles) {
+			arc.endAngle += TAU;
+			arc.fullCircles--;
+		}
+	}
+
+	ctx.beginPath();
+	ctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true);
+	for (i = 0; i < arc.fullCircles; ++i) {
+		ctx.stroke();
+	}
+
+	ctx.beginPath();
+	ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU);
+	for (i = 0; i < arc.fullCircles; ++i) {
+		ctx.stroke();
+	}
+}
+
+function drawBorder(ctx, vm, arc) {
+	var inner = vm.borderAlign === 'inner';
+
+	if (inner) {
+		ctx.lineWidth = vm.borderWidth * 2;
+		ctx.lineJoin = 'round';
+	} else {
+		ctx.lineWidth = vm.borderWidth;
+		ctx.lineJoin = 'bevel';
+	}
+
+	if (arc.fullCircles) {
+		drawFullCircleBorders(ctx, vm, arc, inner);
+	}
+
+	if (inner) {
+		clipArc(ctx, arc);
+	}
+
+	ctx.beginPath();
+	ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle);
+	ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+	ctx.closePath();
+	ctx.stroke();
+}
+
+var element_arc = core_element.extend({
+	_type: 'arc',
+
+	inLabelRange: function(mouseX) {
+		var vm = this._view;
+
+		if (vm) {
+			return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
+		}
+		return false;
+	},
+
+	inRange: function(chartX, chartY) {
+		var vm = this._view;
+
+		if (vm) {
+			var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY});
+			var angle = pointRelativePosition.angle;
+			var distance = pointRelativePosition.distance;
+
+			// Sanitise angle range
+			var startAngle = vm.startAngle;
+			var endAngle = vm.endAngle;
+			while (endAngle < startAngle) {
+				endAngle += TAU;
+			}
+			while (angle > endAngle) {
+				angle -= TAU;
+			}
+			while (angle < startAngle) {
+				angle += TAU;
+			}
+
+			// Check if within the range of the open/close angle
+			var betweenAngles = (angle >= startAngle && angle <= endAngle);
+			var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);
+
+			return (betweenAngles && withinRadius);
+		}
+		return false;
+	},
+
+	getCenterPoint: function() {
+		var vm = this._view;
+		var halfAngle = (vm.startAngle + vm.endAngle) / 2;
+		var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;
+		return {
+			x: vm.x + Math.cos(halfAngle) * halfRadius,
+			y: vm.y + Math.sin(halfAngle) * halfRadius
+		};
+	},
+
+	getArea: function() {
+		var vm = this._view;
+		return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));
+	},
+
+	tooltipPosition: function() {
+		var vm = this._view;
+		var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);
+		var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
+
+		return {
+			x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
+			y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
+		};
+	},
+
+	draw: function() {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+		var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0;
+		var arc = {
+			x: vm.x,
+			y: vm.y,
+			innerRadius: vm.innerRadius,
+			outerRadius: Math.max(vm.outerRadius - pixelMargin, 0),
+			pixelMargin: pixelMargin,
+			startAngle: vm.startAngle,
+			endAngle: vm.endAngle,
+			fullCircles: Math.floor(vm.circumference / TAU)
+		};
+		var i;
+
+		ctx.save();
+
+		ctx.fillStyle = vm.backgroundColor;
+		ctx.strokeStyle = vm.borderColor;
+
+		if (arc.fullCircles) {
+			arc.endAngle = arc.startAngle + TAU;
+			ctx.beginPath();
+			ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
+			ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+			ctx.closePath();
+			for (i = 0; i < arc.fullCircles; ++i) {
+				ctx.fill();
+			}
+			arc.endAngle = arc.startAngle + vm.circumference % TAU;
+		}
+
+		ctx.beginPath();
+		ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
+		ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+		ctx.closePath();
+		ctx.fill();
+
+		if (vm.borderWidth) {
+			drawBorder(ctx, vm, arc);
+		}
+
+		ctx.restore();
+	}
+});
+
+var valueOrDefault$1 = helpers$1.valueOrDefault;
+
+var defaultColor = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+	elements: {
+		line: {
+			tension: 0.4,
+			backgroundColor: defaultColor,
+			borderWidth: 3,
+			borderColor: defaultColor,
+			borderCapStyle: 'butt',
+			borderDash: [],
+			borderDashOffset: 0.0,
+			borderJoinStyle: 'miter',
+			capBezierPoints: true,
+			fill: true, // do we fill in the area between the line and its base axis
+		}
+	}
+});
+
+var element_line = core_element.extend({
+	_type: 'line',
+
+	draw: function() {
+		var me = this;
+		var vm = me._view;
+		var ctx = me._chart.ctx;
+		var spanGaps = vm.spanGaps;
+		var points = me._children.slice(); // clone array
+		var globalDefaults = core_defaults.global;
+		var globalOptionLineElements = globalDefaults.elements.line;
+		var lastDrawnIndex = -1;
+		var closePath = me._loop;
+		var index, previous, currentVM;
+
+		if (!points.length) {
+			return;
+		}
+
+		if (me._loop) {
+			for (index = 0; index < points.length; ++index) {
+				previous = helpers$1.previousItem(points, index);
+				// If the line has an open path, shift the point array
+				if (!points[index]._view.skip && previous._view.skip) {
+					points = points.slice(index).concat(points.slice(0, index));
+					closePath = spanGaps;
+					break;
+				}
+			}
+			// If the line has a close path, add the first point again
+			if (closePath) {
+				points.push(points[0]);
+			}
+		}
+
+		ctx.save();
+
+		// Stroke Line Options
+		ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;
+
+		// IE 9 and 10 do not support line dash
+		if (ctx.setLineDash) {
+			ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);
+		}
+
+		ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset);
+		ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;
+		ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth);
+		ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;
+
+		// Stroke Line
+		ctx.beginPath();
+
+		// First point moves to it's starting position no matter what
+		currentVM = points[0]._view;
+		if (!currentVM.skip) {
+			ctx.moveTo(currentVM.x, currentVM.y);
+			lastDrawnIndex = 0;
+		}
+
+		for (index = 1; index < points.length; ++index) {
+			currentVM = points[index]._view;
+			previous = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex];
+
+			if (!currentVM.skip) {
+				if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {
+					// There was a gap and this is the first point after the gap
+					ctx.moveTo(currentVM.x, currentVM.y);
+				} else {
+					// Line to next point
+					helpers$1.canvas.lineTo(ctx, previous._view, currentVM);
+				}
+				lastDrawnIndex = index;
+			}
+		}
+
+		if (closePath) {
+			ctx.closePath();
+		}
+
+		ctx.stroke();
+		ctx.restore();
+	}
+});
+
+var valueOrDefault$2 = helpers$1.valueOrDefault;
+
+var defaultColor$1 = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+	elements: {
+		point: {
+			radius: 3,
+			pointStyle: 'circle',
+			backgroundColor: defaultColor$1,
+			borderColor: defaultColor$1,
+			borderWidth: 1,
+			// Hover
+			hitRadius: 1,
+			hoverRadius: 4,
+			hoverBorderWidth: 1
+		}
+	}
+});
+
+function xRange(mouseX) {
+	var vm = this._view;
+	return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;
+}
+
+function yRange(mouseY) {
+	var vm = this._view;
+	return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;
+}
+
+var element_point = core_element.extend({
+	_type: 'point',
+
+	inRange: function(mouseX, mouseY) {
+		var vm = this._view;
+		return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;
+	},
+
+	inLabelRange: xRange,
+	inXRange: xRange,
+	inYRange: yRange,
+
+	getCenterPoint: function() {
+		var vm = this._view;
+		return {
+			x: vm.x,
+			y: vm.y
+		};
+	},
+
+	getArea: function() {
+		return Math.PI * Math.pow(this._view.radius, 2);
+	},
+
+	tooltipPosition: function() {
+		var vm = this._view;
+		return {
+			x: vm.x,
+			y: vm.y,
+			padding: vm.radius + vm.borderWidth
+		};
+	},
+
+	draw: function(chartArea) {
+		var vm = this._view;
+		var ctx = this._chart.ctx;
+		var pointStyle = vm.pointStyle;
+		var rotation = vm.rotation;
+		var radius = vm.radius;
+		var x = vm.x;
+		var y = vm.y;
+		var globalDefaults = core_defaults.global;
+		var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow
+
+		if (vm.skip) {
+			return;
+		}
+
+		// Clipping for Points.
+		if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) {
+			ctx.strokeStyle = vm.borderColor || defaultColor;
+			ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth);
+			ctx.fillStyle = vm.backgroundColor || defaultColor;
+			helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation);
+		}
+	}
+});
+
+var defaultColor$2 = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+	elements: {
+		rectangle: {
+			backgroundColor: defaultColor$2,
+			borderColor: defaultColor$2,
+			borderSkipped: 'bottom',
+			borderWidth: 0
+		}
+	}
+});
+
+function isVertical(vm) {
+	return vm && vm.width !== undefined;
+}
+
+/**
+ * Helper function to get the bounds of the bar regardless of the orientation
+ * @param bar {Chart.Element.Rectangle} the bar
+ * @return {Bounds} bounds of the bar
+ * @private
+ */
+function getBarBounds(vm) {
+	var x1, x2, y1, y2, half;
+
+	if (isVertical(vm)) {
+		half = vm.width / 2;
+		x1 = vm.x - half;
+		x2 = vm.x + half;
+		y1 = Math.min(vm.y, vm.base);
+		y2 = Math.max(vm.y, vm.base);
+	} else {
+		half = vm.height / 2;
+		x1 = Math.min(vm.x, vm.base);
+		x2 = Math.max(vm.x, vm.base);
+		y1 = vm.y - half;
+		y2 = vm.y + half;
+	}
+
+	return {
+		left: x1,
+		top: y1,
+		right: x2,
+		bottom: y2
+	};
+}
+
+function swap(orig, v1, v2) {
+	return orig === v1 ? v2 : orig === v2 ? v1 : orig;
+}
+
+function parseBorderSkipped(vm) {
+	var edge = vm.borderSkipped;
+	var res = {};
+
+	if (!edge) {
+		return res;
+	}
+
+	if (vm.horizontal) {
+		if (vm.base > vm.x) {
+			edge = swap(edge, 'left', 'right');
+		}
+	} else if (vm.base < vm.y) {
+		edge = swap(edge, 'bottom', 'top');
+	}
+
+	res[edge] = true;
+	return res;
+}
+
+function parseBorderWidth(vm, maxW, maxH) {
+	var value = vm.borderWidth;
+	var skip = parseBorderSkipped(vm);
+	var t, r, b, l;
+
+	if (helpers$1.isObject(value)) {
+		t = +value.top || 0;
+		r = +value.right || 0;
+		b = +value.bottom || 0;
+		l = +value.left || 0;
+	} else {
+		t = r = b = l = +value || 0;
+	}
+
+	return {
+		t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t,
+		r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r,
+		b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b,
+		l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l
+	};
+}
+
+function boundingRects(vm) {
+	var bounds = getBarBounds(vm);
+	var width = bounds.right - bounds.left;
+	var height = bounds.bottom - bounds.top;
+	var border = parseBorderWidth(vm, width / 2, height / 2);
+
+	return {
+		outer: {
+			x: bounds.left,
+			y: bounds.top,
+			w: width,
+			h: height
+		},
+		inner: {
+			x: bounds.left + border.l,
+			y: bounds.top + border.t,
+			w: width - border.l - border.r,
+			h: height - border.t - border.b
+		}
+	};
+}
+
+function inRange(vm, x, y) {
+	var skipX = x === null;
+	var skipY = y === null;
+	var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm);
+
+	return bounds
+		&& (skipX || x >= bounds.left && x <= bounds.right)
+		&& (skipY || y >= bounds.top && y <= bounds.bottom);
+}
+
+var element_rectangle = core_element.extend({
+	_type: 'rectangle',
+
+	draw: function() {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+		var rects = boundingRects(vm);
+		var outer = rects.outer;
+		var inner = rects.inner;
+
+		ctx.fillStyle = vm.backgroundColor;
+		ctx.fillRect(outer.x, outer.y, outer.w, outer.h);
+
+		if (outer.w === inner.w && outer.h === inner.h) {
+			return;
+		}
+
+		ctx.save();
+		ctx.beginPath();
+		ctx.rect(outer.x, outer.y, outer.w, outer.h);
+		ctx.clip();
+		ctx.fillStyle = vm.borderColor;
+		ctx.rect(inner.x, inner.y, inner.w, inner.h);
+		ctx.fill('evenodd');
+		ctx.restore();
+	},
+
+	height: function() {
+		var vm = this._view;
+		return vm.base - vm.y;
+	},
+
+	inRange: function(mouseX, mouseY) {
+		return inRange(this._view, mouseX, mouseY);
+	},
+
+	inLabelRange: function(mouseX, mouseY) {
+		var vm = this._view;
+		return isVertical(vm)
+			? inRange(vm, mouseX, null)
+			: inRange(vm, null, mouseY);
+	},
+
+	inXRange: function(mouseX) {
+		return inRange(this._view, mouseX, null);
+	},
+
+	inYRange: function(mouseY) {
+		return inRange(this._view, null, mouseY);
+	},
+
+	getCenterPoint: function() {
+		var vm = this._view;
+		var x, y;
+		if (isVertical(vm)) {
+			x = vm.x;
+			y = (vm.y + vm.base) / 2;
+		} else {
+			x = (vm.x + vm.base) / 2;
+			y = vm.y;
+		}
+
+		return {x: x, y: y};
+	},
+
+	getArea: function() {
+		var vm = this._view;
+
+		return isVertical(vm)
+			? vm.width * Math.abs(vm.y - vm.base)
+			: vm.height * Math.abs(vm.x - vm.base);
+	},
+
+	tooltipPosition: function() {
+		var vm = this._view;
+		return {
+			x: vm.x,
+			y: vm.y
+		};
+	}
+});
+
+var elements = {};
+var Arc = element_arc;
+var Line = element_line;
+var Point = element_point;
+var Rectangle = element_rectangle;
+elements.Arc = Arc;
+elements.Line = Line;
+elements.Point = Point;
+elements.Rectangle = Rectangle;
+
+var deprecated = helpers$1._deprecated;
+var valueOrDefault$3 = helpers$1.valueOrDefault;
+
+core_defaults._set('bar', {
+	hover: {
+		mode: 'label'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'category',
+			offset: true,
+			gridLines: {
+				offsetGridLines: true
+			}
+		}],
+
+		yAxes: [{
+			type: 'linear'
+		}]
+	}
+});
+
+core_defaults._set('global', {
+	datasets: {
+		bar: {
+			categoryPercentage: 0.8,
+			barPercentage: 0.9
+		}
+	}
+});
+
+/**
+ * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap.
+ * @private
+ */
+function computeMinSampleSize(scale, pixels) {
+	var min = scale._length;
+	var prev, curr, i, ilen;
+
+	for (i = 1, ilen = pixels.length; i < ilen; ++i) {
+		min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1]));
+	}
+
+	for (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) {
+		curr = scale.getPixelForTick(i);
+		min = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min;
+		prev = curr;
+	}
+
+	return min;
+}
+
+/**
+ * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null,
+ * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This
+ * mode currently always generates bars equally sized (until we introduce scriptable options?).
+ * @private
+ */
+function computeFitCategoryTraits(index, ruler, options) {
+	var thickness = options.barThickness;
+	var count = ruler.stackCount;
+	var curr = ruler.pixels[index];
+	var min = helpers$1.isNullOrUndef(thickness)
+		? computeMinSampleSize(ruler.scale, ruler.pixels)
+		: -1;
+	var size, ratio;
+
+	if (helpers$1.isNullOrUndef(thickness)) {
+		size = min * options.categoryPercentage;
+		ratio = options.barPercentage;
+	} else {
+		// When bar thickness is enforced, category and bar percentages are ignored.
+		// Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%')
+		// and deprecate barPercentage since this value is ignored when thickness is absolute.
+		size = thickness * count;
+		ratio = 1;
+	}
+
+	return {
+		chunk: size / count,
+		ratio: ratio,
+		start: curr - (size / 2)
+	};
+}
+
+/**
+ * Computes an "optimal" category that globally arranges bars side by side (no gap when
+ * percentage options are 1), based on the previous and following categories. This mode
+ * generates bars with different widths when data are not evenly spaced.
+ * @private
+ */
+function computeFlexCategoryTraits(index, ruler, options) {
+	var pixels = ruler.pixels;
+	var curr = pixels[index];
+	var prev = index > 0 ? pixels[index - 1] : null;
+	var next = index < pixels.length - 1 ? pixels[index + 1] : null;
+	var percent = options.categoryPercentage;
+	var start, size;
+
+	if (prev === null) {
+		// first data: its size is double based on the next point or,
+		// if it's also the last data, we use the scale size.
+		prev = curr - (next === null ? ruler.end - ruler.start : next - curr);
+	}
+
+	if (next === null) {
+		// last data: its size is also double based on the previous point.
+		next = curr + curr - prev;
+	}
+
+	start = curr - (curr - Math.min(prev, next)) / 2 * percent;
+	size = Math.abs(next - prev) / 2 * percent;
+
+	return {
+		chunk: size / ruler.stackCount,
+		ratio: options.barPercentage,
+		start: start
+	};
+}
+
+var controller_bar = core_datasetController.extend({
+
+	dataElementType: elements.Rectangle,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderSkipped',
+		'borderWidth',
+		'barPercentage',
+		'barThickness',
+		'categoryPercentage',
+		'maxBarThickness',
+		'minBarLength'
+	],
+
+	initialize: function() {
+		var me = this;
+		var meta, scaleOpts;
+
+		core_datasetController.prototype.initialize.apply(me, arguments);
+
+		meta = me.getMeta();
+		meta.stack = me.getDataset().stack;
+		meta.bar = true;
+
+		scaleOpts = me._getIndexScale().options;
+		deprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage');
+		deprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness');
+		deprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage');
+		deprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength');
+		deprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness');
+	},
+
+	update: function(reset) {
+		var me = this;
+		var rects = me.getMeta().data;
+		var i, ilen;
+
+		me._ruler = me.getRuler();
+
+		for (i = 0, ilen = rects.length; i < ilen; ++i) {
+			me.updateElement(rects[i], i, reset);
+		}
+	},
+
+	updateElement: function(rectangle, index, reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var dataset = me.getDataset();
+		var options = me._resolveDataElementOptions(rectangle, index);
+
+		rectangle._xScale = me.getScaleForId(meta.xAxisID);
+		rectangle._yScale = me.getScaleForId(meta.yAxisID);
+		rectangle._datasetIndex = me.index;
+		rectangle._index = index;
+		rectangle._model = {
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderSkipped: options.borderSkipped,
+			borderWidth: options.borderWidth,
+			datasetLabel: dataset.label,
+			label: me.chart.data.labels[index]
+		};
+
+		if (helpers$1.isArray(dataset.data[index])) {
+			rectangle._model.borderSkipped = null;
+		}
+
+		me._updateElementGeometry(rectangle, index, reset, options);
+
+		rectangle.pivot();
+	},
+
+	/**
+	 * @private
+	 */
+	_updateElementGeometry: function(rectangle, index, reset, options) {
+		var me = this;
+		var model = rectangle._model;
+		var vscale = me._getValueScale();
+		var base = vscale.getBasePixel();
+		var horizontal = vscale.isHorizontal();
+		var ruler = me._ruler || me.getRuler();
+		var vpixels = me.calculateBarValuePixels(me.index, index, options);
+		var ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options);
+
+		model.horizontal = horizontal;
+		model.base = reset ? base : vpixels.base;
+		model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;
+		model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;
+		model.height = horizontal ? ipixels.size : undefined;
+		model.width = horizontal ? undefined : ipixels.size;
+	},
+
+	/**
+	 * Returns the stacks based on groups and bar visibility.
+	 * @param {number} [last] - The dataset index
+	 * @returns {string[]} The list of stack IDs
+	 * @private
+	 */
+	_getStacks: function(last) {
+		var me = this;
+		var scale = me._getIndexScale();
+		var metasets = scale._getMatchingVisibleMetas(me._type);
+		var stacked = scale.options.stacked;
+		var ilen = metasets.length;
+		var stacks = [];
+		var i, meta;
+
+		for (i = 0; i < ilen; ++i) {
+			meta = metasets[i];
+			// stacked   | meta.stack
+			//           | found | not found | undefined
+			// false     |   x   |     x     |     x
+			// true      |       |     x     |
+			// undefined |       |     x     |     x
+			if (stacked === false || stacks.indexOf(meta.stack) === -1 ||
+				(stacked === undefined && meta.stack === undefined)) {
+				stacks.push(meta.stack);
+			}
+			if (meta.index === last) {
+				break;
+			}
+		}
+
+		return stacks;
+	},
+
+	/**
+	 * Returns the effective number of stacks based on groups and bar visibility.
+	 * @private
+	 */
+	getStackCount: function() {
+		return this._getStacks().length;
+	},
+
+	/**
+	 * Returns the stack index for the given dataset based on groups and bar visibility.
+	 * @param {number} [datasetIndex] - The dataset index
+	 * @param {string} [name] - The stack name to find
+	 * @returns {number} The stack index
+	 * @private
+	 */
+	getStackIndex: function(datasetIndex, name) {
+		var stacks = this._getStacks(datasetIndex);
+		var index = (name !== undefined)
+			? stacks.indexOf(name)
+			: -1; // indexOf returns -1 if element is not present
+
+		return (index === -1)
+			? stacks.length - 1
+			: index;
+	},
+
+	/**
+	 * @private
+	 */
+	getRuler: function() {
+		var me = this;
+		var scale = me._getIndexScale();
+		var pixels = [];
+		var i, ilen;
+
+		for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {
+			pixels.push(scale.getPixelForValue(null, i, me.index));
+		}
+
+		return {
+			pixels: pixels,
+			start: scale._startPixel,
+			end: scale._endPixel,
+			stackCount: me.getStackCount(),
+			scale: scale
+		};
+	},
+
+	/**
+	 * Note: pixel values are not clamped to the scale area.
+	 * @private
+	 */
+	calculateBarValuePixels: function(datasetIndex, index, options) {
+		var me = this;
+		var chart = me.chart;
+		var scale = me._getValueScale();
+		var isHorizontal = scale.isHorizontal();
+		var datasets = chart.data.datasets;
+		var metasets = scale._getMatchingVisibleMetas(me._type);
+		var value = scale._parseValue(datasets[datasetIndex].data[index]);
+		var minBarLength = options.minBarLength;
+		var stacked = scale.options.stacked;
+		var stack = me.getMeta().stack;
+		var start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max;
+		var length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max;
+		var ilen = metasets.length;
+		var i, imeta, ivalue, base, head, size, stackLength;
+
+		if (stacked || (stacked === undefined && stack !== undefined)) {
+			for (i = 0; i < ilen; ++i) {
+				imeta = metasets[i];
+
+				if (imeta.index === datasetIndex) {
+					break;
+				}
+
+				if (imeta.stack === stack) {
+					stackLength = scale._parseValue(datasets[imeta.index].data[index]);
+					ivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min;
+
+					if ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) {
+						start += ivalue;
+					}
+				}
+			}
+		}
+
+		base = scale.getPixelForValue(start);
+		head = scale.getPixelForValue(start + length);
+		size = head - base;
+
+		if (minBarLength !== undefined && Math.abs(size) < minBarLength) {
+			size = minBarLength;
+			if (length >= 0 && !isHorizontal || length < 0 && isHorizontal) {
+				head = base - minBarLength;
+			} else {
+				head = base + minBarLength;
+			}
+		}
+
+		return {
+			size: size,
+			base: base,
+			head: head,
+			center: head + size / 2
+		};
+	},
+
+	/**
+	 * @private
+	 */
+	calculateBarIndexPixels: function(datasetIndex, index, ruler, options) {
+		var me = this;
+		var range = options.barThickness === 'flex'
+			? computeFlexCategoryTraits(index, ruler, options)
+			: computeFitCategoryTraits(index, ruler, options);
+
+		var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack);
+		var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);
+		var size = Math.min(
+			valueOrDefault$3(options.maxBarThickness, Infinity),
+			range.chunk * range.ratio);
+
+		return {
+			base: center - size / 2,
+			head: center + size / 2,
+			center: center,
+			size: size
+		};
+	},
+
+	draw: function() {
+		var me = this;
+		var chart = me.chart;
+		var scale = me._getValueScale();
+		var rects = me.getMeta().data;
+		var dataset = me.getDataset();
+		var ilen = rects.length;
+		var i = 0;
+
+		helpers$1.canvas.clipArea(chart.ctx, chart.chartArea);
+
+		for (; i < ilen; ++i) {
+			var val = scale._parseValue(dataset.data[i]);
+			if (!isNaN(val.min) && !isNaN(val.max)) {
+				rects[i].draw();
+			}
+		}
+
+		helpers$1.canvas.unclipArea(chart.ctx);
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDataElementOptions: function() {
+		var me = this;
+		var values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments));
+		var indexOpts = me._getIndexScale().options;
+		var valueOpts = me._getValueScale().options;
+
+		values.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage);
+		values.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness);
+		values.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage);
+		values.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness);
+		values.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength);
+
+		return values;
+	}
+
+});
+
+var valueOrDefault$4 = helpers$1.valueOrDefault;
+var resolve$1 = helpers$1.options.resolve;
+
+core_defaults._set('bubble', {
+	hover: {
+		mode: 'single'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'linear', // bubble should probably use a linear scale by default
+			position: 'bottom',
+			id: 'x-axis-0' // need an ID so datasets can reference the scale
+		}],
+		yAxes: [{
+			type: 'linear',
+			position: 'left',
+			id: 'y-axis-0'
+		}]
+	},
+
+	tooltips: {
+		callbacks: {
+			title: function() {
+				// Title doesn't make sense for scatter since we format the data as a point
+				return '';
+			},
+			label: function(item, data) {
+				var datasetLabel = data.datasets[item.datasetIndex].label || '';
+				var dataPoint = data.datasets[item.datasetIndex].data[item.index];
+				return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';
+			}
+		}
+	}
+});
+
+var controller_bubble = core_datasetController.extend({
+	/**
+	 * @protected
+	 */
+	dataElementType: elements.Point,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'hoverBackgroundColor',
+		'hoverBorderColor',
+		'hoverBorderWidth',
+		'hoverRadius',
+		'hitRadius',
+		'pointStyle',
+		'rotation'
+	],
+
+	/**
+	 * @protected
+	 */
+	update: function(reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var points = meta.data;
+
+		// Update Points
+		helpers$1.each(points, function(point, index) {
+			me.updateElement(point, index, reset);
+		});
+	},
+
+	/**
+	 * @protected
+	 */
+	updateElement: function(point, index, reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var custom = point.custom || {};
+		var xScale = me.getScaleForId(meta.xAxisID);
+		var yScale = me.getScaleForId(meta.yAxisID);
+		var options = me._resolveDataElementOptions(point, index);
+		var data = me.getDataset().data[index];
+		var dsIndex = me.index;
+
+		var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);
+		var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);
+
+		point._xScale = xScale;
+		point._yScale = yScale;
+		point._options = options;
+		point._datasetIndex = dsIndex;
+		point._index = index;
+		point._model = {
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderWidth: options.borderWidth,
+			hitRadius: options.hitRadius,
+			pointStyle: options.pointStyle,
+			rotation: options.rotation,
+			radius: reset ? 0 : options.radius,
+			skip: custom.skip || isNaN(x) || isNaN(y),
+			x: x,
+			y: y,
+		};
+
+		point.pivot();
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(point) {
+		var model = point._model;
+		var options = point._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		point.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+			radius: model.radius
+		};
+
+		model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth);
+		model.radius = options.radius + options.hoverRadius;
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDataElementOptions: function(point, index) {
+		var me = this;
+		var chart = me.chart;
+		var dataset = me.getDataset();
+		var custom = point.custom || {};
+		var data = dataset.data[index] || {};
+		var values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments);
+
+		// Scriptable options
+		var context = {
+			chart: chart,
+			dataIndex: index,
+			dataset: dataset,
+			datasetIndex: me.index
+		};
+
+		// In case values were cached (and thus frozen), we need to clone the values
+		if (me._cachedDataOpts === values) {
+			values = helpers$1.extend({}, values);
+		}
+
+		// Custom radius resolution
+		values.radius = resolve$1([
+			custom.radius,
+			data.r,
+			me._config.radius,
+			chart.options.elements.point.radius
+		], context, index);
+
+		return values;
+	}
+});
+
+var valueOrDefault$5 = helpers$1.valueOrDefault;
+
+var PI$1 = Math.PI;
+var DOUBLE_PI$1 = PI$1 * 2;
+var HALF_PI$1 = PI$1 / 2;
+
+core_defaults._set('doughnut', {
+	animation: {
+		// Boolean - Whether we animate the rotation of the Doughnut
+		animateRotate: true,
+		// Boolean - Whether we animate scaling the Doughnut from the centre
+		animateScale: false
+	},
+	hover: {
+		mode: 'single'
+	},
+	legendCallback: function(chart) {
+		var list = document.createElement('ul');
+		var data = chart.data;
+		var datasets = data.datasets;
+		var labels = data.labels;
+		var i, ilen, listItem, listItemSpan;
+
+		list.setAttribute('class', chart.id + '-legend');
+		if (datasets.length) {
+			for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
+				listItem = list.appendChild(document.createElement('li'));
+				listItemSpan = listItem.appendChild(document.createElement('span'));
+				listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
+				if (labels[i]) {
+					listItem.appendChild(document.createTextNode(labels[i]));
+				}
+			}
+		}
+
+		return list.outerHTML;
+	},
+	legend: {
+		labels: {
+			generateLabels: function(chart) {
+				var data = chart.data;
+				if (data.labels.length && data.datasets.length) {
+					return data.labels.map(function(label, i) {
+						var meta = chart.getDatasetMeta(0);
+						var style = meta.controller.getStyle(i);
+
+						return {
+							text: label,
+							fillStyle: style.backgroundColor,
+							strokeStyle: style.borderColor,
+							lineWidth: style.borderWidth,
+							hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
+
+							// Extra data used for toggling the correct item
+							index: i
+						};
+					});
+				}
+				return [];
+			}
+		},
+
+		onClick: function(e, legendItem) {
+			var index = legendItem.index;
+			var chart = this.chart;
+			var i, ilen, meta;
+
+			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+				meta = chart.getDatasetMeta(i);
+				// toggle visibility of index if exists
+				if (meta.data[index]) {
+					meta.data[index].hidden = !meta.data[index].hidden;
+				}
+			}
+
+			chart.update();
+		}
+	},
+
+	// The percentage of the chart that we cut out of the middle.
+	cutoutPercentage: 50,
+
+	// The rotation of the chart, where the first data arc begins.
+	rotation: -HALF_PI$1,
+
+	// The total circumference of the chart.
+	circumference: DOUBLE_PI$1,
+
+	// Need to override these to give a nice default
+	tooltips: {
+		callbacks: {
+			title: function() {
+				return '';
+			},
+			label: function(tooltipItem, data) {
+				var dataLabel = data.labels[tooltipItem.index];
+				var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
+
+				if (helpers$1.isArray(dataLabel)) {
+					// show value on first line of multiline label
+					// need to clone because we are changing the value
+					dataLabel = dataLabel.slice();
+					dataLabel[0] += value;
+				} else {
+					dataLabel += value;
+				}
+
+				return dataLabel;
+			}
+		}
+	}
+});
+
+var controller_doughnut = core_datasetController.extend({
+
+	dataElementType: elements.Arc,
+
+	linkScales: helpers$1.noop,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'borderAlign',
+		'hoverBackgroundColor',
+		'hoverBorderColor',
+		'hoverBorderWidth',
+	],
+
+	// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
+	getRingIndex: function(datasetIndex) {
+		var ringIndex = 0;
+
+		for (var j = 0; j < datasetIndex; ++j) {
+			if (this.chart.isDatasetVisible(j)) {
+				++ringIndex;
+			}
+		}
+
+		return ringIndex;
+	},
+
+	update: function(reset) {
+		var me = this;
+		var chart = me.chart;
+		var chartArea = chart.chartArea;
+		var opts = chart.options;
+		var ratioX = 1;
+		var ratioY = 1;
+		var offsetX = 0;
+		var offsetY = 0;
+		var meta = me.getMeta();
+		var arcs = meta.data;
+		var cutout = opts.cutoutPercentage / 100 || 0;
+		var circumference = opts.circumference;
+		var chartWeight = me._getRingWeight(me.index);
+		var maxWidth, maxHeight, i, ilen;
+
+		// If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc
+		if (circumference < DOUBLE_PI$1) {
+			var startAngle = opts.rotation % DOUBLE_PI$1;
+			startAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0;
+			var endAngle = startAngle + circumference;
+			var startX = Math.cos(startAngle);
+			var startY = Math.sin(startAngle);
+			var endX = Math.cos(endAngle);
+			var endY = Math.sin(endAngle);
+			var contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1;
+			var contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1;
+			var contains180 = startAngle === -PI$1 || endAngle >= PI$1;
+			var contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1;
+			var minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout);
+			var minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout);
+			var maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout);
+			var maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout);
+			ratioX = (maxX - minX) / 2;
+			ratioY = (maxY - minY) / 2;
+			offsetX = -(maxX + minX) / 2;
+			offsetY = -(maxY + minY) / 2;
+		}
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
+		}
+
+		chart.borderWidth = me.getMaxBorderWidth();
+		maxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX;
+		maxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY;
+		chart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);
+		chart.innerRadius = Math.max(chart.outerRadius * cutout, 0);
+		chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1);
+		chart.offsetX = offsetX * chart.outerRadius;
+		chart.offsetY = offsetY * chart.outerRadius;
+
+		meta.total = me.calculateTotal();
+
+		me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index);
+		me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0);
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			me.updateElement(arcs[i], i, reset);
+		}
+	},
+
+	updateElement: function(arc, index, reset) {
+		var me = this;
+		var chart = me.chart;
+		var chartArea = chart.chartArea;
+		var opts = chart.options;
+		var animationOpts = opts.animation;
+		var centerX = (chartArea.left + chartArea.right) / 2;
+		var centerY = (chartArea.top + chartArea.bottom) / 2;
+		var startAngle = opts.rotation; // non reset case handled later
+		var endAngle = opts.rotation; // non reset case handled later
+		var dataset = me.getDataset();
+		var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1);
+		var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;
+		var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;
+		var options = arc._options || {};
+
+		helpers$1.extend(arc, {
+			// Utility
+			_datasetIndex: me.index,
+			_index: index,
+
+			// Desired view properties
+			_model: {
+				backgroundColor: options.backgroundColor,
+				borderColor: options.borderColor,
+				borderWidth: options.borderWidth,
+				borderAlign: options.borderAlign,
+				x: centerX + chart.offsetX,
+				y: centerY + chart.offsetY,
+				startAngle: startAngle,
+				endAngle: endAngle,
+				circumference: circumference,
+				outerRadius: outerRadius,
+				innerRadius: innerRadius,
+				label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])
+			}
+		});
+
+		var model = arc._model;
+
+		// Set correct angles if not resetting
+		if (!reset || !animationOpts.animateRotate) {
+			if (index === 0) {
+				model.startAngle = opts.rotation;
+			} else {
+				model.startAngle = me.getMeta().data[index - 1]._model.endAngle;
+			}
+
+			model.endAngle = model.startAngle + model.circumference;
+		}
+
+		arc.pivot();
+	},
+
+	calculateTotal: function() {
+		var dataset = this.getDataset();
+		var meta = this.getMeta();
+		var total = 0;
+		var value;
+
+		helpers$1.each(meta.data, function(element, index) {
+			value = dataset.data[index];
+			if (!isNaN(value) && !element.hidden) {
+				total += Math.abs(value);
+			}
+		});
+
+		/* if (total === 0) {
+			total = NaN;
+		}*/
+
+		return total;
+	},
+
+	calculateCircumference: function(value) {
+		var total = this.getMeta().total;
+		if (total > 0 && !isNaN(value)) {
+			return DOUBLE_PI$1 * (Math.abs(value) / total);
+		}
+		return 0;
+	},
+
+	// gets the max border or hover width to properly scale pie charts
+	getMaxBorderWidth: function(arcs) {
+		var me = this;
+		var max = 0;
+		var chart = me.chart;
+		var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth;
+
+		if (!arcs) {
+			// Find the outmost visible dataset
+			for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
+				if (chart.isDatasetVisible(i)) {
+					meta = chart.getDatasetMeta(i);
+					arcs = meta.data;
+					if (i !== me.index) {
+						controller = meta.controller;
+					}
+					break;
+				}
+			}
+		}
+
+		if (!arcs) {
+			return 0;
+		}
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			arc = arcs[i];
+			if (controller) {
+				controller._configure();
+				options = controller._resolveDataElementOptions(arc, i);
+			} else {
+				options = arc._options;
+			}
+			if (options.borderAlign !== 'inner') {
+				borderWidth = options.borderWidth;
+				hoverWidth = options.hoverBorderWidth;
+
+				max = borderWidth > max ? borderWidth : max;
+				max = hoverWidth > max ? hoverWidth : max;
+			}
+		}
+		return max;
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(arc) {
+		var model = arc._model;
+		var options = arc._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		arc.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+		};
+
+		model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth);
+	},
+
+	/**
+	 * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly
+	 * @private
+	 */
+	_getRingWeightOffset: function(datasetIndex) {
+		var ringWeightOffset = 0;
+
+		for (var i = 0; i < datasetIndex; ++i) {
+			if (this.chart.isDatasetVisible(i)) {
+				ringWeightOffset += this._getRingWeight(i);
+			}
+		}
+
+		return ringWeightOffset;
+	},
+
+	/**
+	 * @private
+	 */
+	_getRingWeight: function(dataSetIndex) {
+		return Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0);
+	},
+
+	/**
+	 * Returns the sum of all visibile data set weights.  This value can be 0.
+	 * @private
+	 */
+	_getVisibleDatasetWeightTotal: function() {
+		return this._getRingWeightOffset(this.chart.data.datasets.length);
+	}
+});
+
+core_defaults._set('horizontalBar', {
+	hover: {
+		mode: 'index',
+		axis: 'y'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'linear',
+			position: 'bottom'
+		}],
+
+		yAxes: [{
+			type: 'category',
+			position: 'left',
+			offset: true,
+			gridLines: {
+				offsetGridLines: true
+			}
+		}]
+	},
+
+	elements: {
+		rectangle: {
+			borderSkipped: 'left'
+		}
+	},
+
+	tooltips: {
+		mode: 'index',
+		axis: 'y'
+	}
+});
+
+core_defaults._set('global', {
+	datasets: {
+		horizontalBar: {
+			categoryPercentage: 0.8,
+			barPercentage: 0.9
+		}
+	}
+});
+
+var controller_horizontalBar = controller_bar.extend({
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.getMeta().xAxisID;
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.getMeta().yAxisID;
+	}
+});
+
+var valueOrDefault$6 = helpers$1.valueOrDefault;
+var resolve$2 = helpers$1.options.resolve;
+var isPointInArea = helpers$1.canvas._isPointInArea;
+
+core_defaults._set('line', {
+	showLines: true,
+	spanGaps: false,
+
+	hover: {
+		mode: 'label'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'category',
+			id: 'x-axis-0'
+		}],
+		yAxes: [{
+			type: 'linear',
+			id: 'y-axis-0'
+		}]
+	}
+});
+
+function scaleClip(scale, halfBorderWidth) {
+	var tickOpts = scale && scale.options.ticks || {};
+	var reverse = tickOpts.reverse;
+	var min = tickOpts.min === undefined ? halfBorderWidth : 0;
+	var max = tickOpts.max === undefined ? halfBorderWidth : 0;
+	return {
+		start: reverse ? max : min,
+		end: reverse ? min : max
+	};
+}
+
+function defaultClip(xScale, yScale, borderWidth) {
+	var halfBorderWidth = borderWidth / 2;
+	var x = scaleClip(xScale, halfBorderWidth);
+	var y = scaleClip(yScale, halfBorderWidth);
+
+	return {
+		top: y.end,
+		right: x.end,
+		bottom: y.start,
+		left: x.start
+	};
+}
+
+function toClip(value) {
+	var t, r, b, l;
+
+	if (helpers$1.isObject(value)) {
+		t = value.top;
+		r = value.right;
+		b = value.bottom;
+		l = value.left;
+	} else {
+		t = r = b = l = value;
+	}
+
+	return {
+		top: t,
+		right: r,
+		bottom: b,
+		left: l
+	};
+}
+
+
+var controller_line = core_datasetController.extend({
+
+	datasetElementType: elements.Line,
+
+	dataElementType: elements.Point,
+
+	/**
+	 * @private
+	 */
+	_datasetElementOptions: [
+		'backgroundColor',
+		'borderCapStyle',
+		'borderColor',
+		'borderDash',
+		'borderDashOffset',
+		'borderJoinStyle',
+		'borderWidth',
+		'cubicInterpolationMode',
+		'fill'
+	],
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: {
+		backgroundColor: 'pointBackgroundColor',
+		borderColor: 'pointBorderColor',
+		borderWidth: 'pointBorderWidth',
+		hitRadius: 'pointHitRadius',
+		hoverBackgroundColor: 'pointHoverBackgroundColor',
+		hoverBorderColor: 'pointHoverBorderColor',
+		hoverBorderWidth: 'pointHoverBorderWidth',
+		hoverRadius: 'pointHoverRadius',
+		pointStyle: 'pointStyle',
+		radius: 'pointRadius',
+		rotation: 'pointRotation'
+	},
+
+	update: function(reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var line = meta.dataset;
+		var points = meta.data || [];
+		var options = me.chart.options;
+		var config = me._config;
+		var showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines);
+		var i, ilen;
+
+		me._xScale = me.getScaleForId(meta.xAxisID);
+		me._yScale = me.getScaleForId(meta.yAxisID);
+
+		// Update Line
+		if (showLine) {
+			// Compatibility: If the properties are defined with only the old name, use those values
+			if (config.tension !== undefined && config.lineTension === undefined) {
+				config.lineTension = config.tension;
+			}
+
+			// Utility
+			line._scale = me._yScale;
+			line._datasetIndex = me.index;
+			// Data
+			line._children = points;
+			// Model
+			line._model = me._resolveDatasetElementOptions(line);
+
+			line.pivot();
+		}
+
+		// Update Points
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			me.updateElement(points[i], i, reset);
+		}
+
+		if (showLine && line._model.tension !== 0) {
+			me.updateBezierControlPoints();
+		}
+
+		// Now pivot the point for animation
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			points[i].pivot();
+		}
+	},
+
+	updateElement: function(point, index, reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var custom = point.custom || {};
+		var dataset = me.getDataset();
+		var datasetIndex = me.index;
+		var value = dataset.data[index];
+		var xScale = me._xScale;
+		var yScale = me._yScale;
+		var lineModel = meta.dataset._model;
+		var x, y;
+
+		var options = me._resolveDataElementOptions(point, index);
+
+		x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);
+		y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);
+
+		// Utility
+		point._xScale = xScale;
+		point._yScale = yScale;
+		point._options = options;
+		point._datasetIndex = datasetIndex;
+		point._index = index;
+
+		// Desired view properties
+		point._model = {
+			x: x,
+			y: y,
+			skip: custom.skip || isNaN(x) || isNaN(y),
+			// Appearance
+			radius: options.radius,
+			pointStyle: options.pointStyle,
+			rotation: options.rotation,
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderWidth: options.borderWidth,
+			tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0),
+			steppedLine: lineModel ? lineModel.steppedLine : false,
+			// Tooltip
+			hitRadius: options.hitRadius
+		};
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDatasetElementOptions: function(element) {
+		var me = this;
+		var config = me._config;
+		var custom = element.custom || {};
+		var options = me.chart.options;
+		var lineOptions = options.elements.line;
+		var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
+
+		// The default behavior of lines is to break at null values, according
+		// to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158
+		// This option gives lines the ability to span gaps
+		values.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps);
+		values.tension = valueOrDefault$6(config.lineTension, lineOptions.tension);
+		values.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]);
+		values.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth)));
+
+		return values;
+	},
+
+	calculatePointY: function(value, index, datasetIndex) {
+		var me = this;
+		var chart = me.chart;
+		var yScale = me._yScale;
+		var sumPos = 0;
+		var sumNeg = 0;
+		var i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen;
+
+		if (yScale.options.stacked) {
+			rightValue = +yScale.getRightValue(value);
+			metasets = chart._getSortedVisibleDatasetMetas();
+			ilen = metasets.length;
+
+			for (i = 0; i < ilen; ++i) {
+				dsMeta = metasets[i];
+				if (dsMeta.index === datasetIndex) {
+					break;
+				}
+
+				ds = chart.data.datasets[dsMeta.index];
+				if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) {
+					stackedRightValue = +yScale.getRightValue(ds.data[index]);
+					if (stackedRightValue < 0) {
+						sumNeg += stackedRightValue || 0;
+					} else {
+						sumPos += stackedRightValue || 0;
+					}
+				}
+			}
+
+			if (rightValue < 0) {
+				return yScale.getPixelForValue(sumNeg + rightValue);
+			}
+			return yScale.getPixelForValue(sumPos + rightValue);
+		}
+		return yScale.getPixelForValue(value);
+	},
+
+	updateBezierControlPoints: function() {
+		var me = this;
+		var chart = me.chart;
+		var meta = me.getMeta();
+		var lineModel = meta.dataset._model;
+		var area = chart.chartArea;
+		var points = meta.data || [];
+		var i, ilen, model, controlPoints;
+
+		// Only consider points that are drawn in case the spanGaps option is used
+		if (lineModel.spanGaps) {
+			points = points.filter(function(pt) {
+				return !pt._model.skip;
+			});
+		}
+
+		function capControlPoint(pt, min, max) {
+			return Math.max(Math.min(pt, max), min);
+		}
+
+		if (lineModel.cubicInterpolationMode === 'monotone') {
+			helpers$1.splineCurveMonotone(points);
+		} else {
+			for (i = 0, ilen = points.length; i < ilen; ++i) {
+				model = points[i]._model;
+				controlPoints = helpers$1.splineCurve(
+					helpers$1.previousItem(points, i)._model,
+					model,
+					helpers$1.nextItem(points, i)._model,
+					lineModel.tension
+				);
+				model.controlPointPreviousX = controlPoints.previous.x;
+				model.controlPointPreviousY = controlPoints.previous.y;
+				model.controlPointNextX = controlPoints.next.x;
+				model.controlPointNextY = controlPoints.next.y;
+			}
+		}
+
+		if (chart.options.elements.line.capBezierPoints) {
+			for (i = 0, ilen = points.length; i < ilen; ++i) {
+				model = points[i]._model;
+				if (isPointInArea(model, area)) {
+					if (i > 0 && isPointInArea(points[i - 1]._model, area)) {
+						model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);
+						model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);
+					}
+					if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) {
+						model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);
+						model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);
+					}
+				}
+			}
+		}
+	},
+
+	draw: function() {
+		var me = this;
+		var chart = me.chart;
+		var meta = me.getMeta();
+		var points = meta.data || [];
+		var area = chart.chartArea;
+		var canvas = chart.canvas;
+		var i = 0;
+		var ilen = points.length;
+		var clip;
+
+		if (me._showLine) {
+			clip = meta.dataset._model.clip;
+
+			helpers$1.canvas.clipArea(chart.ctx, {
+				left: clip.left === false ? 0 : area.left - clip.left,
+				right: clip.right === false ? canvas.width : area.right + clip.right,
+				top: clip.top === false ? 0 : area.top - clip.top,
+				bottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom
+			});
+
+			meta.dataset.draw();
+
+			helpers$1.canvas.unclipArea(chart.ctx);
+		}
+
+		// Draw the points
+		for (; i < ilen; ++i) {
+			points[i].draw(area);
+		}
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(point) {
+		var model = point._model;
+		var options = point._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		point.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+			radius: model.radius
+		};
+
+		model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth);
+		model.radius = valueOrDefault$6(options.hoverRadius, options.radius);
+	},
+});
+
+var resolve$3 = helpers$1.options.resolve;
+
+core_defaults._set('polarArea', {
+	scale: {
+		type: 'radialLinear',
+		angleLines: {
+			display: false
+		},
+		gridLines: {
+			circular: true
+		},
+		pointLabels: {
+			display: false
+		},
+		ticks: {
+			beginAtZero: true
+		}
+	},
+
+	// Boolean - Whether to animate the rotation of the chart
+	animation: {
+		animateRotate: true,
+		animateScale: true
+	},
+
+	startAngle: -0.5 * Math.PI,
+	legendCallback: function(chart) {
+		var list = document.createElement('ul');
+		var data = chart.data;
+		var datasets = data.datasets;
+		var labels = data.labels;
+		var i, ilen, listItem, listItemSpan;
+
+		list.setAttribute('class', chart.id + '-legend');
+		if (datasets.length) {
+			for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
+				listItem = list.appendChild(document.createElement('li'));
+				listItemSpan = listItem.appendChild(document.createElement('span'));
+				listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
+				if (labels[i]) {
+					listItem.appendChild(document.createTextNode(labels[i]));
+				}
+			}
+		}
+
+		return list.outerHTML;
+	},
+	legend: {
+		labels: {
+			generateLabels: function(chart) {
+				var data = chart.data;
+				if (data.labels.length && data.datasets.length) {
+					return data.labels.map(function(label, i) {
+						var meta = chart.getDatasetMeta(0);
+						var style = meta.controller.getStyle(i);
+
+						return {
+							text: label,
+							fillStyle: style.backgroundColor,
+							strokeStyle: style.borderColor,
+							lineWidth: style.borderWidth,
+							hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
+
+							// Extra data used for toggling the correct item
+							index: i
+						};
+					});
+				}
+				return [];
+			}
+		},
+
+		onClick: function(e, legendItem) {
+			var index = legendItem.index;
+			var chart = this.chart;
+			var i, ilen, meta;
+
+			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+				meta = chart.getDatasetMeta(i);
+				meta.data[index].hidden = !meta.data[index].hidden;
+			}
+
+			chart.update();
+		}
+	},
+
+	// Need to override these to give a nice default
+	tooltips: {
+		callbacks: {
+			title: function() {
+				return '';
+			},
+			label: function(item, data) {
+				return data.labels[item.index] + ': ' + item.yLabel;
+			}
+		}
+	}
+});
+
+var controller_polarArea = core_datasetController.extend({
+
+	dataElementType: elements.Arc,
+
+	linkScales: helpers$1.noop,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'borderAlign',
+		'hoverBackgroundColor',
+		'hoverBorderColor',
+		'hoverBorderWidth',
+	],
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	update: function(reset) {
+		var me = this;
+		var dataset = me.getDataset();
+		var meta = me.getMeta();
+		var start = me.chart.options.startAngle || 0;
+		var starts = me._starts = [];
+		var angles = me._angles = [];
+		var arcs = meta.data;
+		var i, ilen, angle;
+
+		me._updateRadius();
+
+		meta.count = me.countVisibleElements();
+
+		for (i = 0, ilen = dataset.data.length; i < ilen; i++) {
+			starts[i] = start;
+			angle = me._computeAngle(i);
+			angles[i] = angle;
+			start += angle;
+		}
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
+			me.updateElement(arcs[i], i, reset);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_updateRadius: function() {
+		var me = this;
+		var chart = me.chart;
+		var chartArea = chart.chartArea;
+		var opts = chart.options;
+		var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
+
+		chart.outerRadius = Math.max(minSize / 2, 0);
+		chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
+		chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();
+
+		me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);
+		me.innerRadius = me.outerRadius - chart.radiusLength;
+	},
+
+	updateElement: function(arc, index, reset) {
+		var me = this;
+		var chart = me.chart;
+		var dataset = me.getDataset();
+		var opts = chart.options;
+		var animationOpts = opts.animation;
+		var scale = chart.scale;
+		var labels = chart.data.labels;
+
+		var centerX = scale.xCenter;
+		var centerY = scale.yCenter;
+
+		// var negHalfPI = -0.5 * Math.PI;
+		var datasetStartAngle = opts.startAngle;
+		var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
+		var startAngle = me._starts[index];
+		var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]);
+
+		var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
+		var options = arc._options || {};
+
+		helpers$1.extend(arc, {
+			// Utility
+			_datasetIndex: me.index,
+			_index: index,
+			_scale: scale,
+
+			// Desired view properties
+			_model: {
+				backgroundColor: options.backgroundColor,
+				borderColor: options.borderColor,
+				borderWidth: options.borderWidth,
+				borderAlign: options.borderAlign,
+				x: centerX,
+				y: centerY,
+				innerRadius: 0,
+				outerRadius: reset ? resetRadius : distance,
+				startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,
+				endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,
+				label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index])
+			}
+		});
+
+		arc.pivot();
+	},
+
+	countVisibleElements: function() {
+		var dataset = this.getDataset();
+		var meta = this.getMeta();
+		var count = 0;
+
+		helpers$1.each(meta.data, function(element, index) {
+			if (!isNaN(dataset.data[index]) && !element.hidden) {
+				count++;
+			}
+		});
+
+		return count;
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(arc) {
+		var model = arc._model;
+		var options = arc._options;
+		var getHoverColor = helpers$1.getHoverColor;
+		var valueOrDefault = helpers$1.valueOrDefault;
+
+		arc.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+		};
+
+		model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth);
+	},
+
+	/**
+	 * @private
+	 */
+	_computeAngle: function(index) {
+		var me = this;
+		var count = this.getMeta().count;
+		var dataset = me.getDataset();
+		var meta = me.getMeta();
+
+		if (isNaN(dataset.data[index]) || meta.data[index].hidden) {
+			return 0;
+		}
+
+		// Scriptable options
+		var context = {
+			chart: me.chart,
+			dataIndex: index,
+			dataset: dataset,
+			datasetIndex: me.index
+		};
+
+		return resolve$3([
+			me.chart.options.elements.arc.angle,
+			(2 * Math.PI) / count
+		], context, index);
+	}
+});
+
+core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut));
+core_defaults._set('pie', {
+	cutoutPercentage: 0
+});
+
+// Pie charts are Doughnut chart with different defaults
+var controller_pie = controller_doughnut;
+
+var valueOrDefault$7 = helpers$1.valueOrDefault;
+
+core_defaults._set('radar', {
+	spanGaps: false,
+	scale: {
+		type: 'radialLinear'
+	},
+	elements: {
+		line: {
+			fill: 'start',
+			tension: 0 // no bezier in radar
+		}
+	}
+});
+
+var controller_radar = core_datasetController.extend({
+	datasetElementType: elements.Line,
+
+	dataElementType: elements.Point,
+
+	linkScales: helpers$1.noop,
+
+	/**
+	 * @private
+	 */
+	_datasetElementOptions: [
+		'backgroundColor',
+		'borderWidth',
+		'borderColor',
+		'borderCapStyle',
+		'borderDash',
+		'borderDashOffset',
+		'borderJoinStyle',
+		'fill'
+	],
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: {
+		backgroundColor: 'pointBackgroundColor',
+		borderColor: 'pointBorderColor',
+		borderWidth: 'pointBorderWidth',
+		hitRadius: 'pointHitRadius',
+		hoverBackgroundColor: 'pointHoverBackgroundColor',
+		hoverBorderColor: 'pointHoverBorderColor',
+		hoverBorderWidth: 'pointHoverBorderWidth',
+		hoverRadius: 'pointHoverRadius',
+		pointStyle: 'pointStyle',
+		radius: 'pointRadius',
+		rotation: 'pointRotation'
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	update: function(reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var line = meta.dataset;
+		var points = meta.data || [];
+		var scale = me.chart.scale;
+		var config = me._config;
+		var i, ilen;
+
+		// Compatibility: If the properties are defined with only the old name, use those values
+		if (config.tension !== undefined && config.lineTension === undefined) {
+			config.lineTension = config.tension;
+		}
+
+		// Utility
+		line._scale = scale;
+		line._datasetIndex = me.index;
+		// Data
+		line._children = points;
+		line._loop = true;
+		// Model
+		line._model = me._resolveDatasetElementOptions(line);
+
+		line.pivot();
+
+		// Update Points
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			me.updateElement(points[i], i, reset);
+		}
+
+		// Update bezier control points
+		me.updateBezierControlPoints();
+
+		// Now pivot the point for animation
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			points[i].pivot();
+		}
+	},
+
+	updateElement: function(point, index, reset) {
+		var me = this;
+		var custom = point.custom || {};
+		var dataset = me.getDataset();
+		var scale = me.chart.scale;
+		var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);
+		var options = me._resolveDataElementOptions(point, index);
+		var lineModel = me.getMeta().dataset._model;
+		var x = reset ? scale.xCenter : pointPosition.x;
+		var y = reset ? scale.yCenter : pointPosition.y;
+
+		// Utility
+		point._scale = scale;
+		point._options = options;
+		point._datasetIndex = me.index;
+		point._index = index;
+
+		// Desired view properties
+		point._model = {
+			x: x, // value not used in dataset scale, but we want a consistent API between scales
+			y: y,
+			skip: custom.skip || isNaN(x) || isNaN(y),
+			// Appearance
+			radius: options.radius,
+			pointStyle: options.pointStyle,
+			rotation: options.rotation,
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderWidth: options.borderWidth,
+			tension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0),
+
+			// Tooltip
+			hitRadius: options.hitRadius
+		};
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDatasetElementOptions: function() {
+		var me = this;
+		var config = me._config;
+		var options = me.chart.options;
+		var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
+
+		values.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps);
+		values.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension);
+
+		return values;
+	},
+
+	updateBezierControlPoints: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var area = me.chart.chartArea;
+		var points = meta.data || [];
+		var i, ilen, model, controlPoints;
+
+		// Only consider points that are drawn in case the spanGaps option is used
+		if (meta.dataset._model.spanGaps) {
+			points = points.filter(function(pt) {
+				return !pt._model.skip;
+			});
+		}
+
+		function capControlPoint(pt, min, max) {
+			return Math.max(Math.min(pt, max), min);
+		}
+
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			model = points[i]._model;
+			controlPoints = helpers$1.splineCurve(
+				helpers$1.previousItem(points, i, true)._model,
+				model,
+				helpers$1.nextItem(points, i, true)._model,
+				model.tension
+			);
+
+			// Prevent the bezier going outside of the bounds of the graph
+			model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right);
+			model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom);
+			model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right);
+			model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom);
+		}
+	},
+
+	setHoverStyle: function(point) {
+		var model = point._model;
+		var options = point._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		point.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+			radius: model.radius
+		};
+
+		model.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth);
+		model.radius = valueOrDefault$7(options.hoverRadius, options.radius);
+	}
+});
+
+core_defaults._set('scatter', {
+	hover: {
+		mode: 'single'
+	},
+
+	scales: {
+		xAxes: [{
+			id: 'x-axis-1',    // need an ID so datasets can reference the scale
+			type: 'linear',    // scatter should not use a category axis
+			position: 'bottom'
+		}],
+		yAxes: [{
+			id: 'y-axis-1',
+			type: 'linear',
+			position: 'left'
+		}]
+	},
+
+	tooltips: {
+		callbacks: {
+			title: function() {
+				return '';     // doesn't make sense for scatter since data are formatted as a point
+			},
+			label: function(item) {
+				return '(' + item.xLabel + ', ' + item.yLabel + ')';
+			}
+		}
+	}
+});
+
+core_defaults._set('global', {
+	datasets: {
+		scatter: {
+			showLine: false
+		}
+	}
+});
+
+// Scatter charts use line controllers
+var controller_scatter = controller_line;
+
+// NOTE export a map in which the key represents the controller type, not
+// the class, and so must be CamelCase in order to be correctly retrieved
+// by the controller in core.controller.js (`controllers[meta.type]`).
+
+var controllers = {
+	bar: controller_bar,
+	bubble: controller_bubble,
+	doughnut: controller_doughnut,
+	horizontalBar: controller_horizontalBar,
+	line: controller_line,
+	polarArea: controller_polarArea,
+	pie: controller_pie,
+	radar: controller_radar,
+	scatter: controller_scatter
+};
+
+/**
+ * Helper function to get relative position for an event
+ * @param {Event|IEvent} event - The event to get the position for
+ * @param {Chart} chart - The chart
+ * @returns {object} the event position
+ */
+function getRelativePosition(e, chart) {
+	if (e.native) {
+		return {
+			x: e.x,
+			y: e.y
+		};
+	}
+
+	return helpers$1.getRelativePosition(e, chart);
+}
+
+/**
+ * Helper function to traverse all of the visible elements in the chart
+ * @param {Chart} chart - the chart
+ * @param {function} handler - the callback to execute for each visible item
+ */
+function parseVisibleItems(chart, handler) {
+	var metasets = chart._getSortedVisibleDatasetMetas();
+	var metadata, i, j, ilen, jlen, element;
+
+	for (i = 0, ilen = metasets.length; i < ilen; ++i) {
+		metadata = metasets[i].data;
+		for (j = 0, jlen = metadata.length; j < jlen; ++j) {
+			element = metadata[j];
+			if (!element._view.skip) {
+				handler(element);
+			}
+		}
+	}
+}
+
+/**
+ * Helper function to get the items that intersect the event position
+ * @param {ChartElement[]} items - elements to filter
+ * @param {object} position - the point to be nearest to
+ * @return {ChartElement[]} the nearest items
+ */
+function getIntersectItems(chart, position) {
+	var elements = [];
+
+	parseVisibleItems(chart, function(element) {
+		if (element.inRange(position.x, position.y)) {
+			elements.push(element);
+		}
+	});
+
+	return elements;
+}
+
+/**
+ * Helper function to get the items nearest to the event position considering all visible items in teh chart
+ * @param {Chart} chart - the chart to look at elements from
+ * @param {object} position - the point to be nearest to
+ * @param {boolean} intersect - if true, only consider items that intersect the position
+ * @param {function} distanceMetric - function to provide the distance between points
+ * @return {ChartElement[]} the nearest items
+ */
+function getNearestItems(chart, position, intersect, distanceMetric) {
+	var minDistance = Number.POSITIVE_INFINITY;
+	var nearestItems = [];
+
+	parseVisibleItems(chart, function(element) {
+		if (intersect && !element.inRange(position.x, position.y)) {
+			return;
+		}
+
+		var center = element.getCenterPoint();
+		var distance = distanceMetric(position, center);
+		if (distance < minDistance) {
+			nearestItems = [element];
+			minDistance = distance;
+		} else if (distance === minDistance) {
+			// Can have multiple items at the same distance in which case we sort by size
+			nearestItems.push(element);
+		}
+	});
+
+	return nearestItems;
+}
+
+/**
+ * Get a distance metric function for two points based on the
+ * axis mode setting
+ * @param {string} axis - the axis mode. x|y|xy
+ */
+function getDistanceMetricForAxis(axis) {
+	var useX = axis.indexOf('x') !== -1;
+	var useY = axis.indexOf('y') !== -1;
+
+	return function(pt1, pt2) {
+		var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;
+		var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;
+		return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));
+	};
+}
+
+function indexMode(chart, e, options) {
+	var position = getRelativePosition(e, chart);
+	// Default axis for index mode is 'x' to match old behaviour
+	options.axis = options.axis || 'x';
+	var distanceMetric = getDistanceMetricForAxis(options.axis);
+	var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
+	var elements = [];
+
+	if (!items.length) {
+		return [];
+	}
+
+	chart._getSortedVisibleDatasetMetas().forEach(function(meta) {
+		var element = meta.data[items[0]._index];
+
+		// don't count items that are skipped (null data)
+		if (element && !element._view.skip) {
+			elements.push(element);
+		}
+	});
+
+	return elements;
+}
+
+/**
+ * @interface IInteractionOptions
+ */
+/**
+ * If true, only consider items that intersect the point
+ * @name IInterfaceOptions#boolean
+ * @type Boolean
+ */
+
+/**
+ * Contains interaction related functions
+ * @namespace Chart.Interaction
+ */
+var core_interaction = {
+	// Helper function for different modes
+	modes: {
+		single: function(chart, e) {
+			var position = getRelativePosition(e, chart);
+			var elements = [];
+
+			parseVisibleItems(chart, function(element) {
+				if (element.inRange(position.x, position.y)) {
+					elements.push(element);
+					return elements;
+				}
+			});
+
+			return elements.slice(0, 1);
+		},
+
+		/**
+		 * @function Chart.Interaction.modes.label
+		 * @deprecated since version 2.4.0
+		 * @todo remove at version 3
+		 * @private
+		 */
+		label: indexMode,
+
+		/**
+		 * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something
+		 * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item
+		 * @function Chart.Interaction.modes.index
+		 * @since v2.4.0
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use during interaction
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		index: indexMode,
+
+		/**
+		 * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something
+		 * If the options.intersect is false, we find the nearest item and return the items in that dataset
+		 * @function Chart.Interaction.modes.dataset
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use during interaction
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		dataset: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			options.axis = options.axis || 'xy';
+			var distanceMetric = getDistanceMetricForAxis(options.axis);
+			var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
+
+			if (items.length > 0) {
+				items = chart.getDatasetMeta(items[0]._datasetIndex).data;
+			}
+
+			return items;
+		},
+
+		/**
+		 * @function Chart.Interaction.modes.x-axis
+		 * @deprecated since version 2.4.0. Use index mode and intersect == true
+		 * @todo remove at version 3
+		 * @private
+		 */
+		'x-axis': function(chart, e) {
+			return indexMode(chart, e, {intersect: false});
+		},
+
+		/**
+		 * Point mode returns all elements that hit test based on the event position
+		 * of the event
+		 * @function Chart.Interaction.modes.intersect
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		point: function(chart, e) {
+			var position = getRelativePosition(e, chart);
+			return getIntersectItems(chart, position);
+		},
+
+		/**
+		 * nearest mode returns the element closest to the point
+		 * @function Chart.Interaction.modes.intersect
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		nearest: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			options.axis = options.axis || 'xy';
+			var distanceMetric = getDistanceMetricForAxis(options.axis);
+			return getNearestItems(chart, position, options.intersect, distanceMetric);
+		},
+
+		/**
+		 * x mode returns the elements that hit-test at the current x coordinate
+		 * @function Chart.Interaction.modes.x
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		x: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			var items = [];
+			var intersectsItem = false;
+
+			parseVisibleItems(chart, function(element) {
+				if (element.inXRange(position.x)) {
+					items.push(element);
+				}
+
+				if (element.inRange(position.x, position.y)) {
+					intersectsItem = true;
+				}
+			});
+
+			// If we want to trigger on an intersect and we don't have any items
+			// that intersect the position, return nothing
+			if (options.intersect && !intersectsItem) {
+				items = [];
+			}
+			return items;
+		},
+
+		/**
+		 * y mode returns the elements that hit-test at the current y coordinate
+		 * @function Chart.Interaction.modes.y
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		y: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			var items = [];
+			var intersectsItem = false;
+
+			parseVisibleItems(chart, function(element) {
+				if (element.inYRange(position.y)) {
+					items.push(element);
+				}
+
+				if (element.inRange(position.x, position.y)) {
+					intersectsItem = true;
+				}
+			});
+
+			// If we want to trigger on an intersect and we don't have any items
+			// that intersect the position, return nothing
+			if (options.intersect && !intersectsItem) {
+				items = [];
+			}
+			return items;
+		}
+	}
+};
+
+var extend = helpers$1.extend;
+
+function filterByPosition(array, position) {
+	return helpers$1.where(array, function(v) {
+		return v.pos === position;
+	});
+}
+
+function sortByWeight(array, reverse) {
+	return array.sort(function(a, b) {
+		var v0 = reverse ? b : a;
+		var v1 = reverse ? a : b;
+		return v0.weight === v1.weight ?
+			v0.index - v1.index :
+			v0.weight - v1.weight;
+	});
+}
+
+function wrapBoxes(boxes) {
+	var layoutBoxes = [];
+	var i, ilen, box;
+
+	for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {
+		box = boxes[i];
+		layoutBoxes.push({
+			index: i,
+			box: box,
+			pos: box.position,
+			horizontal: box.isHorizontal(),
+			weight: box.weight
+		});
+	}
+	return layoutBoxes;
+}
+
+function setLayoutDims(layouts, params) {
+	var i, ilen, layout;
+	for (i = 0, ilen = layouts.length; i < ilen; ++i) {
+		layout = layouts[i];
+		// store width used instead of chartArea.w in fitBoxes
+		layout.width = layout.horizontal
+			? layout.box.fullWidth && params.availableWidth
+			: params.vBoxMaxWidth;
+		// store height used instead of chartArea.h in fitBoxes
+		layout.height = layout.horizontal && params.hBoxMaxHeight;
+	}
+}
+
+function buildLayoutBoxes(boxes) {
+	var layoutBoxes = wrapBoxes(boxes);
+	var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);
+	var right = sortByWeight(filterByPosition(layoutBoxes, 'right'));
+	var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);
+	var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));
+
+	return {
+		leftAndTop: left.concat(top),
+		rightAndBottom: right.concat(bottom),
+		chartArea: filterByPosition(layoutBoxes, 'chartArea'),
+		vertical: left.concat(right),
+		horizontal: top.concat(bottom)
+	};
+}
+
+function getCombinedMax(maxPadding, chartArea, a, b) {
+	return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);
+}
+
+function updateDims(chartArea, params, layout) {
+	var box = layout.box;
+	var maxPadding = chartArea.maxPadding;
+	var newWidth, newHeight;
+
+	if (layout.size) {
+		// this layout was already counted for, lets first reduce old size
+		chartArea[layout.pos] -= layout.size;
+	}
+	layout.size = layout.horizontal ? box.height : box.width;
+	chartArea[layout.pos] += layout.size;
+
+	if (box.getPadding) {
+		var boxPadding = box.getPadding();
+		maxPadding.top = Math.max(maxPadding.top, boxPadding.top);
+		maxPadding.left = Math.max(maxPadding.left, boxPadding.left);
+		maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);
+		maxPadding.right = Math.max(maxPadding.right, boxPadding.right);
+	}
+
+	newWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right');
+	newHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom');
+
+	if (newWidth !== chartArea.w || newHeight !== chartArea.h) {
+		chartArea.w = newWidth;
+		chartArea.h = newHeight;
+
+		// return true if chart area changed in layout's direction
+		var sizes = layout.horizontal ? [newWidth, chartArea.w] : [newHeight, chartArea.h];
+		return sizes[0] !== sizes[1] && (!isNaN(sizes[0]) || !isNaN(sizes[1]));
+	}
+}
+
+function handleMaxPadding(chartArea) {
+	var maxPadding = chartArea.maxPadding;
+
+	function updatePos(pos) {
+		var change = Math.max(maxPadding[pos] - chartArea[pos], 0);
+		chartArea[pos] += change;
+		return change;
+	}
+	chartArea.y += updatePos('top');
+	chartArea.x += updatePos('left');
+	updatePos('right');
+	updatePos('bottom');
+}
+
+function getMargins(horizontal, chartArea) {
+	var maxPadding = chartArea.maxPadding;
+
+	function marginForPositions(positions) {
+		var margin = {left: 0, top: 0, right: 0, bottom: 0};
+		positions.forEach(function(pos) {
+			margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);
+		});
+		return margin;
+	}
+
+	return horizontal
+		? marginForPositions(['left', 'right'])
+		: marginForPositions(['top', 'bottom']);
+}
+
+function fitBoxes(boxes, chartArea, params) {
+	var refitBoxes = [];
+	var i, ilen, layout, box, refit, changed;
+
+	for (i = 0, ilen = boxes.length; i < ilen; ++i) {
+		layout = boxes[i];
+		box = layout.box;
+
+		box.update(
+			layout.width || chartArea.w,
+			layout.height || chartArea.h,
+			getMargins(layout.horizontal, chartArea)
+		);
+		if (updateDims(chartArea, params, layout)) {
+			changed = true;
+			if (refitBoxes.length) {
+				// Dimensions changed and there were non full width boxes before this
+				// -> we have to refit those
+				refit = true;
+			}
+		}
+		if (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case
+			refitBoxes.push(layout);
+		}
+	}
+
+	return refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed;
+}
+
+function placeBoxes(boxes, chartArea, params) {
+	var userPadding = params.padding;
+	var x = chartArea.x;
+	var y = chartArea.y;
+	var i, ilen, layout, box;
+
+	for (i = 0, ilen = boxes.length; i < ilen; ++i) {
+		layout = boxes[i];
+		box = layout.box;
+		if (layout.horizontal) {
+			box.left = box.fullWidth ? userPadding.left : chartArea.left;
+			box.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w;
+			box.top = y;
+			box.bottom = y + box.height;
+			box.width = box.right - box.left;
+			y = box.bottom;
+		} else {
+			box.left = x;
+			box.right = x + box.width;
+			box.top = chartArea.top;
+			box.bottom = chartArea.top + chartArea.h;
+			box.height = box.bottom - box.top;
+			x = box.right;
+		}
+	}
+
+	chartArea.x = x;
+	chartArea.y = y;
+}
+
+core_defaults._set('global', {
+	layout: {
+		padding: {
+			top: 0,
+			right: 0,
+			bottom: 0,
+			left: 0
+		}
+	}
+});
+
+/**
+ * @interface ILayoutItem
+ * @prop {string} position - The position of the item in the chart layout. Possible values are
+ * 'left', 'top', 'right', 'bottom', and 'chartArea'
+ * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area
+ * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down
+ * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)
+ * @prop {function} update - Takes two parameters: width and height. Returns size of item
+ * @prop {function} getPadding -  Returns an object with padding on the edges
+ * @prop {number} width - Width of item. Must be valid after update()
+ * @prop {number} height - Height of item. Must be valid after update()
+ * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update
+ */
+
+// The layout service is very self explanatory.  It's responsible for the layout within a chart.
+// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
+// It is this service's responsibility of carrying out that layout.
+var core_layouts = {
+	defaults: {},
+
+	/**
+	 * Register a box to a chart.
+	 * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.
+	 * @param {Chart} chart - the chart to use
+	 * @param {ILayoutItem} item - the item to add to be layed out
+	 */
+	addBox: function(chart, item) {
+		if (!chart.boxes) {
+			chart.boxes = [];
+		}
+
+		// initialize item with default values
+		item.fullWidth = item.fullWidth || false;
+		item.position = item.position || 'top';
+		item.weight = item.weight || 0;
+		item._layers = item._layers || function() {
+			return [{
+				z: 0,
+				draw: function() {
+					item.draw.apply(item, arguments);
+				}
+			}];
+		};
+
+		chart.boxes.push(item);
+	},
+
+	/**
+	 * Remove a layoutItem from a chart
+	 * @param {Chart} chart - the chart to remove the box from
+	 * @param {ILayoutItem} layoutItem - the item to remove from the layout
+	 */
+	removeBox: function(chart, layoutItem) {
+		var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;
+		if (index !== -1) {
+			chart.boxes.splice(index, 1);
+		}
+	},
+
+	/**
+	 * Sets (or updates) options on the given `item`.
+	 * @param {Chart} chart - the chart in which the item lives (or will be added to)
+	 * @param {ILayoutItem} item - the item to configure with the given options
+	 * @param {object} options - the new item options.
+	 */
+	configure: function(chart, item, options) {
+		var props = ['fullWidth', 'position', 'weight'];
+		var ilen = props.length;
+		var i = 0;
+		var prop;
+
+		for (; i < ilen; ++i) {
+			prop = props[i];
+			if (options.hasOwnProperty(prop)) {
+				item[prop] = options[prop];
+			}
+		}
+	},
+
+	/**
+	 * Fits boxes of the given chart into the given size by having each box measure itself
+	 * then running a fitting algorithm
+	 * @param {Chart} chart - the chart
+	 * @param {number} width - the width to fit into
+	 * @param {number} height - the height to fit into
+	 */
+	update: function(chart, width, height) {
+		if (!chart) {
+			return;
+		}
+
+		var layoutOptions = chart.options.layout || {};
+		var padding = helpers$1.options.toPadding(layoutOptions.padding);
+
+		var availableWidth = width - padding.width;
+		var availableHeight = height - padding.height;
+		var boxes = buildLayoutBoxes(chart.boxes);
+		var verticalBoxes = boxes.vertical;
+		var horizontalBoxes = boxes.horizontal;
+
+		// Essentially we now have any number of boxes on each of the 4 sides.
+		// Our canvas looks like the following.
+		// The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and
+		// B1 is the bottom axis
+		// There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
+		// These locations are single-box locations only, when trying to register a chartArea location that is already taken,
+		// an error will be thrown.
+		//
+		// |----------------------------------------------------|
+		// |                  T1 (Full Width)                   |
+		// |----------------------------------------------------|
+		// |    |    |                 T2                  |    |
+		// |    |----|-------------------------------------|----|
+		// |    |    | C1 |                           | C2 |    |
+		// |    |    |----|                           |----|    |
+		// |    |    |                                     |    |
+		// | L1 | L2 |           ChartArea (C0)            | R1 |
+		// |    |    |                                     |    |
+		// |    |    |----|                           |----|    |
+		// |    |    | C3 |                           | C4 |    |
+		// |    |----|-------------------------------------|----|
+		// |    |    |                 B1                  |    |
+		// |----------------------------------------------------|
+		// |                  B2 (Full Width)                   |
+		// |----------------------------------------------------|
+		//
+
+		var params = Object.freeze({
+			outerWidth: width,
+			outerHeight: height,
+			padding: padding,
+			availableWidth: availableWidth,
+			vBoxMaxWidth: availableWidth / 2 / verticalBoxes.length,
+			hBoxMaxHeight: availableHeight / 2
+		});
+		var chartArea = extend({
+			maxPadding: extend({}, padding),
+			w: availableWidth,
+			h: availableHeight,
+			x: padding.left,
+			y: padding.top
+		}, padding);
+
+		setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);
+
+		// First fit vertical boxes
+		fitBoxes(verticalBoxes, chartArea, params);
+
+		// Then fit horizontal boxes
+		if (fitBoxes(horizontalBoxes, chartArea, params)) {
+			// if the area changed, re-fit vertical boxes
+			fitBoxes(verticalBoxes, chartArea, params);
+		}
+
+		handleMaxPadding(chartArea);
+
+		// Finally place the boxes to correct coordinates
+		placeBoxes(boxes.leftAndTop, chartArea, params);
+
+		// Move to opposite side of chart
+		chartArea.x += chartArea.w;
+		chartArea.y += chartArea.h;
+
+		placeBoxes(boxes.rightAndBottom, chartArea, params);
+
+		chart.chartArea = {
+			left: chartArea.left,
+			top: chartArea.top,
+			right: chartArea.left + chartArea.w,
+			bottom: chartArea.top + chartArea.h
+		};
+
+		// Finally update boxes in chartArea (radial scale for example)
+		helpers$1.each(boxes.chartArea, function(layout) {
+			var box = layout.box;
+			extend(box, chart.chartArea);
+			box.update(chartArea.w, chartArea.h);
+		});
+	}
+};
+
+/**
+ * Platform fallback implementation (minimal).
+ * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939
+ */
+
+var platform_basic = {
+	acquireContext: function(item) {
+		if (item && item.canvas) {
+			// Support for any object associated to a canvas (including a context2d)
+			item = item.canvas;
+		}
+
+		return item && item.getContext('2d') || null;
+	}
+};
+
+var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n";
+
+var platform_dom$1 = /*#__PURE__*/Object.freeze({
+__proto__: null,
+'default': platform_dom
+});
+
+var stylesheet = getCjsExportFromNamespace(platform_dom$1);
+
+var EXPANDO_KEY = '$chartjs';
+var CSS_PREFIX = 'chartjs-';
+var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor';
+var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';
+var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';
+var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];
+
+/**
+ * DOM event types -> Chart.js event types.
+ * Note: only events with different types are mapped.
+ * @see https://developer.mozilla.org/en-US/docs/Web/Events
+ */
+var EVENT_TYPES = {
+	touchstart: 'mousedown',
+	touchmove: 'mousemove',
+	touchend: 'mouseup',
+	pointerenter: 'mouseenter',
+	pointerdown: 'mousedown',
+	pointermove: 'mousemove',
+	pointerup: 'mouseup',
+	pointerleave: 'mouseout',
+	pointerout: 'mouseout'
+};
+
+/**
+ * The "used" size is the final value of a dimension property after all calculations have
+ * been performed. This method uses the computed style of `element` but returns undefined
+ * if the computed style is not expressed in pixels. That can happen in some cases where
+ * `element` has a size relative to its parent and this last one is not yet displayed,
+ * for example because of `display: none` on a parent node.
+ * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value
+ * @returns {number} Size in pixels or undefined if unknown.
+ */
+function readUsedSize(element, property) {
+	var value = helpers$1.getStyle(element, property);
+	var matches = value && value.match(/^(\d+)(\.\d+)?px$/);
+	return matches ? Number(matches[1]) : undefined;
+}
+
+/**
+ * Initializes the canvas style and render size without modifying the canvas display size,
+ * since responsiveness is handled by the controller.resize() method. The config is used
+ * to determine the aspect ratio to apply in case no explicit height has been specified.
+ */
+function initCanvas(canvas, config) {
+	var style = canvas.style;
+
+	// NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it
+	// returns null or '' if no explicit value has been set to the canvas attribute.
+	var renderHeight = canvas.getAttribute('height');
+	var renderWidth = canvas.getAttribute('width');
+
+	// Chart.js modifies some canvas values that we want to restore on destroy
+	canvas[EXPANDO_KEY] = {
+		initial: {
+			height: renderHeight,
+			width: renderWidth,
+			style: {
+				display: style.display,
+				height: style.height,
+				width: style.width
+			}
+		}
+	};
+
+	// Force canvas to display as block to avoid extra space caused by inline
+	// elements, which would interfere with the responsive resize process.
+	// https://github.com/chartjs/Chart.js/issues/2538
+	style.display = style.display || 'block';
+
+	if (renderWidth === null || renderWidth === '') {
+		var displayWidth = readUsedSize(canvas, 'width');
+		if (displayWidth !== undefined) {
+			canvas.width = displayWidth;
+		}
+	}
+
+	if (renderHeight === null || renderHeight === '') {
+		if (canvas.style.height === '') {
+			// If no explicit render height and style height, let's apply the aspect ratio,
+			// which one can be specified by the user but also by charts as default option
+			// (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.
+			canvas.height = canvas.width / (config.options.aspectRatio || 2);
+		} else {
+			var displayHeight = readUsedSize(canvas, 'height');
+			if (displayWidth !== undefined) {
+				canvas.height = displayHeight;
+			}
+		}
+	}
+
+	return canvas;
+}
+
+/**
+ * Detects support for options object argument in addEventListener.
+ * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
+ * @private
+ */
+var supportsEventListenerOptions = (function() {
+	var supports = false;
+	try {
+		var options = Object.defineProperty({}, 'passive', {
+			// eslint-disable-next-line getter-return
+			get: function() {
+				supports = true;
+			}
+		});
+		window.addEventListener('e', null, options);
+	} catch (e) {
+		// continue regardless of error
+	}
+	return supports;
+}());
+
+// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.
+// https://github.com/chartjs/Chart.js/issues/4287
+var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;
+
+function addListener(node, type, listener) {
+	node.addEventListener(type, listener, eventListenerOptions);
+}
+
+function removeListener(node, type, listener) {
+	node.removeEventListener(type, listener, eventListenerOptions);
+}
+
+function createEvent(type, chart, x, y, nativeEvent) {
+	return {
+		type: type,
+		chart: chart,
+		native: nativeEvent || null,
+		x: x !== undefined ? x : null,
+		y: y !== undefined ? y : null,
+	};
+}
+
+function fromNativeEvent(event, chart) {
+	var type = EVENT_TYPES[event.type] || event.type;
+	var pos = helpers$1.getRelativePosition(event, chart);
+	return createEvent(type, chart, pos.x, pos.y, event);
+}
+
+function throttled(fn, thisArg) {
+	var ticking = false;
+	var args = [];
+
+	return function() {
+		args = Array.prototype.slice.call(arguments);
+		thisArg = thisArg || this;
+
+		if (!ticking) {
+			ticking = true;
+			helpers$1.requestAnimFrame.call(window, function() {
+				ticking = false;
+				fn.apply(thisArg, args);
+			});
+		}
+	};
+}
+
+function createDiv(cls) {
+	var el = document.createElement('div');
+	el.className = cls || '';
+	return el;
+}
+
+// Implementation based on https://github.com/marcj/css-element-queries
+function createResizer(handler) {
+	var maxSize = 1000000;
+
+	// NOTE(SB) Don't use innerHTML because it could be considered unsafe.
+	// https://github.com/chartjs/Chart.js/issues/5902
+	var resizer = createDiv(CSS_SIZE_MONITOR);
+	var expand = createDiv(CSS_SIZE_MONITOR + '-expand');
+	var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink');
+
+	expand.appendChild(createDiv());
+	shrink.appendChild(createDiv());
+
+	resizer.appendChild(expand);
+	resizer.appendChild(shrink);
+	resizer._reset = function() {
+		expand.scrollLeft = maxSize;
+		expand.scrollTop = maxSize;
+		shrink.scrollLeft = maxSize;
+		shrink.scrollTop = maxSize;
+	};
+
+	var onScroll = function() {
+		resizer._reset();
+		handler();
+	};
+
+	addListener(expand, 'scroll', onScroll.bind(expand, 'expand'));
+	addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));
+
+	return resizer;
+}
+
+// https://davidwalsh.name/detect-node-insertion
+function watchForRender(node, handler) {
+	var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
+	var proxy = expando.renderProxy = function(e) {
+		if (e.animationName === CSS_RENDER_ANIMATION) {
+			handler();
+		}
+	};
+
+	helpers$1.each(ANIMATION_START_EVENTS, function(type) {
+		addListener(node, type, proxy);
+	});
+
+	// #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class
+	// is removed then added back immediately (same animation frame?). Accessing the
+	// `offsetParent` property will force a reflow and re-evaluate the CSS animation.
+	// https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics
+	// https://github.com/chartjs/Chart.js/issues/4737
+	expando.reflow = !!node.offsetParent;
+
+	node.classList.add(CSS_RENDER_MONITOR);
+}
+
+function unwatchForRender(node) {
+	var expando = node[EXPANDO_KEY] || {};
+	var proxy = expando.renderProxy;
+
+	if (proxy) {
+		helpers$1.each(ANIMATION_START_EVENTS, function(type) {
+			removeListener(node, type, proxy);
+		});
+
+		delete expando.renderProxy;
+	}
+
+	node.classList.remove(CSS_RENDER_MONITOR);
+}
+
+function addResizeListener(node, listener, chart) {
+	var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
+
+	// Let's keep track of this added resizer and thus avoid DOM query when removing it.
+	var resizer = expando.resizer = createResizer(throttled(function() {
+		if (expando.resizer) {
+			var container = chart.options.maintainAspectRatio && node.parentNode;
+			var w = container ? container.clientWidth : 0;
+			listener(createEvent('resize', chart));
+			if (container && container.clientWidth < w && chart.canvas) {
+				// If the container size shrank during chart resize, let's assume
+				// scrollbar appeared. So we resize again with the scrollbar visible -
+				// effectively making chart smaller and the scrollbar hidden again.
+				// Because we are inside `throttled`, and currently `ticking`, scroll
+				// events are ignored during this whole 2 resize process.
+				// If we assumed wrong and something else happened, we are resizing
+				// twice in a frame (potential performance issue)
+				listener(createEvent('resize', chart));
+			}
+		}
+	}));
+
+	// The resizer needs to be attached to the node parent, so we first need to be
+	// sure that `node` is attached to the DOM before injecting the resizer element.
+	watchForRender(node, function() {
+		if (expando.resizer) {
+			var container = node.parentNode;
+			if (container && container !== resizer.parentNode) {
+				container.insertBefore(resizer, container.firstChild);
+			}
+
+			// The container size might have changed, let's reset the resizer state.
+			resizer._reset();
+		}
+	});
+}
+
+function removeResizeListener(node) {
+	var expando = node[EXPANDO_KEY] || {};
+	var resizer = expando.resizer;
+
+	delete expando.resizer;
+	unwatchForRender(node);
+
+	if (resizer && resizer.parentNode) {
+		resizer.parentNode.removeChild(resizer);
+	}
+}
+
+/**
+ * Injects CSS styles inline if the styles are not already present.
+ * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the <style>.
+ * @param {string} css - the CSS to be injected.
+ */
+function injectCSS(rootNode, css) {
+	// https://stackoverflow.com/q/3922139
+	var expando = rootNode[EXPANDO_KEY] || (rootNode[EXPANDO_KEY] = {});
+	if (!expando.containsStyles) {
+		expando.containsStyles = true;
+		css = '/* Chart.js */\n' + css;
+		var style = document.createElement('style');
+		style.setAttribute('type', 'text/css');
+		style.appendChild(document.createTextNode(css));
+		rootNode.appendChild(style);
+	}
+}
+
+var platform_dom$2 = {
+	/**
+	 * When `true`, prevents the automatic injection of the stylesheet required to
+	 * correctly detect when the chart is added to the DOM and then resized. This
+	 * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`)
+	 * to be manually imported to make this library compatible with any CSP.
+	 * See https://github.com/chartjs/Chart.js/issues/5208
+	 */
+	disableCSSInjection: false,
+
+	/**
+	 * This property holds whether this platform is enabled for the current environment.
+	 * Currently used by platform.js to select the proper implementation.
+	 * @private
+	 */
+	_enabled: typeof window !== 'undefined' && typeof document !== 'undefined',
+
+	/**
+	 * Initializes resources that depend on platform options.
+	 * @param {HTMLCanvasElement} canvas - The Canvas element.
+	 * @private
+	 */
+	_ensureLoaded: function(canvas) {
+		if (!this.disableCSSInjection) {
+			// If the canvas is in a shadow DOM, then the styles must also be inserted
+			// into the same shadow DOM.
+			// https://github.com/chartjs/Chart.js/issues/5763
+			var root = canvas.getRootNode ? canvas.getRootNode() : document;
+			var targetNode = root.host ? root : document.head;
+			injectCSS(targetNode, stylesheet);
+		}
+	},
+
+	acquireContext: function(item, config) {
+		if (typeof item === 'string') {
+			item = document.getElementById(item);
+		} else if (item.length) {
+			// Support for array based queries (such as jQuery)
+			item = item[0];
+		}
+
+		if (item && item.canvas) {
+			// Support for any object associated to a canvas (including a context2d)
+			item = item.canvas;
+		}
+
+		// To prevent canvas fingerprinting, some add-ons undefine the getContext
+		// method, for example: https://github.com/kkapsner/CanvasBlocker
+		// https://github.com/chartjs/Chart.js/issues/2807
+		var context = item && item.getContext && item.getContext('2d');
+
+		// `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is
+		// inside an iframe or when running in a protected environment. We could guess the
+		// types from their toString() value but let's keep things flexible and assume it's
+		// a sufficient condition if the item has a context2D which has item as `canvas`.
+		// https://github.com/chartjs/Chart.js/issues/3887
+		// https://github.com/chartjs/Chart.js/issues/4102
+		// https://github.com/chartjs/Chart.js/issues/4152
+		if (context && context.canvas === item) {
+			// Load platform resources on first chart creation, to make it possible to
+			// import the library before setting platform options.
+			this._ensureLoaded(item);
+			initCanvas(item, config);
+			return context;
+		}
+
+		return null;
+	},
+
+	releaseContext: function(context) {
+		var canvas = context.canvas;
+		if (!canvas[EXPANDO_KEY]) {
+			return;
+		}
+
+		var initial = canvas[EXPANDO_KEY].initial;
+		['height', 'width'].forEach(function(prop) {
+			var value = initial[prop];
+			if (helpers$1.isNullOrUndef(value)) {
+				canvas.removeAttribute(prop);
+			} else {
+				canvas.setAttribute(prop, value);
+			}
+		});
+
+		helpers$1.each(initial.style || {}, function(value, key) {
+			canvas.style[key] = value;
+		});
+
+		// The canvas render size might have been changed (and thus the state stack discarded),
+		// we can't use save() and restore() to restore the initial state. So make sure that at
+		// least the canvas context is reset to the default state by setting the canvas width.
+		// https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html
+		// eslint-disable-next-line no-self-assign
+		canvas.width = canvas.width;
+
+		delete canvas[EXPANDO_KEY];
+	},
+
+	addEventListener: function(chart, type, listener) {
+		var canvas = chart.canvas;
+		if (type === 'resize') {
+			// Note: the resize event is not supported on all browsers.
+			addResizeListener(canvas, listener, chart);
+			return;
+		}
+
+		var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});
+		var proxies = expando.proxies || (expando.proxies = {});
+		var proxy = proxies[chart.id + '_' + type] = function(event) {
+			listener(fromNativeEvent(event, chart));
+		};
+
+		addListener(canvas, type, proxy);
+	},
+
+	removeEventListener: function(chart, type, listener) {
+		var canvas = chart.canvas;
+		if (type === 'resize') {
+			// Note: the resize event is not supported on all browsers.
+			removeResizeListener(canvas);
+			return;
+		}
+
+		var expando = listener[EXPANDO_KEY] || {};
+		var proxies = expando.proxies || {};
+		var proxy = proxies[chart.id + '_' + type];
+		if (!proxy) {
+			return;
+		}
+
+		removeListener(canvas, type, proxy);
+	}
+};
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use EventTarget.addEventListener instead.
+ * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener
+ * @function Chart.helpers.addEvent
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.addEvent = addListener;
+
+/**
+ * Provided for backward compatibility, use EventTarget.removeEventListener instead.
+ * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener
+ * @function Chart.helpers.removeEvent
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.removeEvent = removeListener;
+
+// @TODO Make possible to select another platform at build time.
+var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic;
+
+/**
+ * @namespace Chart.platform
+ * @see https://chartjs.gitbooks.io/proposals/content/Platform.html
+ * @since 2.4.0
+ */
+var platform = helpers$1.extend({
+	/**
+	 * @since 2.7.0
+	 */
+	initialize: function() {},
+
+	/**
+	 * Called at chart construction time, returns a context2d instance implementing
+	 * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.
+	 * @param {*} item - The native item from which to acquire context (platform specific)
+	 * @param {object} options - The chart options
+	 * @returns {CanvasRenderingContext2D} context2d instance
+	 */
+	acquireContext: function() {},
+
+	/**
+	 * Called at chart destruction time, releases any resources associated to the context
+	 * previously returned by the acquireContext() method.
+	 * @param {CanvasRenderingContext2D} context - The context2d instance
+	 * @returns {boolean} true if the method succeeded, else false
+	 */
+	releaseContext: function() {},
+
+	/**
+	 * Registers the specified listener on the given chart.
+	 * @param {Chart} chart - Chart from which to listen for event
+	 * @param {string} type - The ({@link IEvent}) type to listen for
+	 * @param {function} listener - Receives a notification (an object that implements
+	 * the {@link IEvent} interface) when an event of the specified type occurs.
+	 */
+	addEventListener: function() {},
+
+	/**
+	 * Removes the specified listener previously registered with addEventListener.
+	 * @param {Chart} chart - Chart from which to remove the listener
+	 * @param {string} type - The ({@link IEvent}) type to remove
+	 * @param {function} listener - The listener function to remove from the event target.
+	 */
+	removeEventListener: function() {}
+
+}, implementation);
+
+core_defaults._set('global', {
+	plugins: {}
+});
+
+/**
+ * The plugin service singleton
+ * @namespace Chart.plugins
+ * @since 2.1.0
+ */
+var core_plugins = {
+	/**
+	 * Globally registered plugins.
+	 * @private
+	 */
+	_plugins: [],
+
+	/**
+	 * This identifier is used to invalidate the descriptors cache attached to each chart
+	 * when a global plugin is registered or unregistered. In this case, the cache ID is
+	 * incremented and descriptors are regenerated during following API calls.
+	 * @private
+	 */
+	_cacheId: 0,
+
+	/**
+	 * Registers the given plugin(s) if not already registered.
+	 * @param {IPlugin[]|IPlugin} plugins plugin instance(s).
+	 */
+	register: function(plugins) {
+		var p = this._plugins;
+		([]).concat(plugins).forEach(function(plugin) {
+			if (p.indexOf(plugin) === -1) {
+				p.push(plugin);
+			}
+		});
+
+		this._cacheId++;
+	},
+
+	/**
+	 * Unregisters the given plugin(s) only if registered.
+	 * @param {IPlugin[]|IPlugin} plugins plugin instance(s).
+	 */
+	unregister: function(plugins) {
+		var p = this._plugins;
+		([]).concat(plugins).forEach(function(plugin) {
+			var idx = p.indexOf(plugin);
+			if (idx !== -1) {
+				p.splice(idx, 1);
+			}
+		});
+
+		this._cacheId++;
+	},
+
+	/**
+	 * Remove all registered plugins.
+	 * @since 2.1.5
+	 */
+	clear: function() {
+		this._plugins = [];
+		this._cacheId++;
+	},
+
+	/**
+	 * Returns the number of registered plugins?
+	 * @returns {number}
+	 * @since 2.1.5
+	 */
+	count: function() {
+		return this._plugins.length;
+	},
+
+	/**
+	 * Returns all registered plugin instances.
+	 * @returns {IPlugin[]} array of plugin objects.
+	 * @since 2.1.5
+	 */
+	getAll: function() {
+		return this._plugins;
+	},
+
+	/**
+	 * Calls enabled plugins for `chart` on the specified hook and with the given args.
+	 * This method immediately returns as soon as a plugin explicitly returns false. The
+	 * returned value can be used, for instance, to interrupt the current action.
+	 * @param {Chart} chart - The chart instance for which plugins should be called.
+	 * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate').
+	 * @param {Array} [args] - Extra arguments to apply to the hook call.
+	 * @returns {boolean} false if any of the plugins return false, else returns true.
+	 */
+	notify: function(chart, hook, args) {
+		var descriptors = this.descriptors(chart);
+		var ilen = descriptors.length;
+		var i, descriptor, plugin, params, method;
+
+		for (i = 0; i < ilen; ++i) {
+			descriptor = descriptors[i];
+			plugin = descriptor.plugin;
+			method = plugin[hook];
+			if (typeof method === 'function') {
+				params = [chart].concat(args || []);
+				params.push(descriptor.options);
+				if (method.apply(plugin, params) === false) {
+					return false;
+				}
+			}
+		}
+
+		return true;
+	},
+
+	/**
+	 * Returns descriptors of enabled plugins for the given chart.
+	 * @returns {object[]} [{ plugin, options }]
+	 * @private
+	 */
+	descriptors: function(chart) {
+		var cache = chart.$plugins || (chart.$plugins = {});
+		if (cache.id === this._cacheId) {
+			return cache.descriptors;
+		}
+
+		var plugins = [];
+		var descriptors = [];
+		var config = (chart && chart.config) || {};
+		var options = (config.options && config.options.plugins) || {};
+
+		this._plugins.concat(config.plugins || []).forEach(function(plugin) {
+			var idx = plugins.indexOf(plugin);
+			if (idx !== -1) {
+				return;
+			}
+
+			var id = plugin.id;
+			var opts = options[id];
+			if (opts === false) {
+				return;
+			}
+
+			if (opts === true) {
+				opts = helpers$1.clone(core_defaults.global.plugins[id]);
+			}
+
+			plugins.push(plugin);
+			descriptors.push({
+				plugin: plugin,
+				options: opts || {}
+			});
+		});
+
+		cache.descriptors = descriptors;
+		cache.id = this._cacheId;
+		return descriptors;
+	},
+
+	/**
+	 * Invalidates cache for the given chart: descriptors hold a reference on plugin option,
+	 * but in some cases, this reference can be changed by the user when updating options.
+	 * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167
+	 * @private
+	 */
+	_invalidate: function(chart) {
+		delete chart.$plugins;
+	}
+};
+
+var core_scaleService = {
+	// Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
+	// use the new chart options to grab the correct scale
+	constructors: {},
+	// Use a registration function so that we can move to an ES6 map when we no longer need to support
+	// old browsers
+
+	// Scale config defaults
+	defaults: {},
+	registerScaleType: function(type, scaleConstructor, scaleDefaults) {
+		this.constructors[type] = scaleConstructor;
+		this.defaults[type] = helpers$1.clone(scaleDefaults);
+	},
+	getScaleConstructor: function(type) {
+		return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
+	},
+	getScaleDefaults: function(type) {
+		// Return the scale defaults merged with the global settings so that we always use the latest ones
+		return this.defaults.hasOwnProperty(type) ? helpers$1.merge(Object.create(null), [core_defaults.scale, this.defaults[type]]) : {};
+	},
+	updateScaleDefaults: function(type, additions) {
+		var me = this;
+		if (me.defaults.hasOwnProperty(type)) {
+			me.defaults[type] = helpers$1.extend(me.defaults[type], additions);
+		}
+	},
+	addScalesToLayout: function(chart) {
+		// Adds each scale to the chart.boxes array to be sized accordingly
+		helpers$1.each(chart.scales, function(scale) {
+			// Set ILayoutItem parameters for backwards compatibility
+			scale.fullWidth = scale.options.fullWidth;
+			scale.position = scale.options.position;
+			scale.weight = scale.options.weight;
+			core_layouts.addBox(chart, scale);
+		});
+	}
+};
+
+var valueOrDefault$8 = helpers$1.valueOrDefault;
+var getRtlHelper = helpers$1.rtl.getRtlAdapter;
+
+core_defaults._set('global', {
+	tooltips: {
+		enabled: true,
+		custom: null,
+		mode: 'nearest',
+		position: 'average',
+		intersect: true,
+		backgroundColor: 'rgba(0,0,0,0.8)',
+		titleFontStyle: 'bold',
+		titleSpacing: 2,
+		titleMarginBottom: 6,
+		titleFontColor: '#fff',
+		titleAlign: 'left',
+		bodySpacing: 2,
+		bodyFontColor: '#fff',
+		bodyAlign: 'left',
+		footerFontStyle: 'bold',
+		footerSpacing: 2,
+		footerMarginTop: 6,
+		footerFontColor: '#fff',
+		footerAlign: 'left',
+		yPadding: 6,
+		xPadding: 6,
+		caretPadding: 2,
+		caretSize: 5,
+		cornerRadius: 6,
+		multiKeyBackground: '#fff',
+		displayColors: true,
+		borderColor: 'rgba(0,0,0,0)',
+		borderWidth: 0,
+		callbacks: {
+			// Args are: (tooltipItems, data)
+			beforeTitle: helpers$1.noop,
+			title: function(tooltipItems, data) {
+				var title = '';
+				var labels = data.labels;
+				var labelCount = labels ? labels.length : 0;
+
+				if (tooltipItems.length > 0) {
+					var item = tooltipItems[0];
+					if (item.label) {
+						title = item.label;
+					} else if (item.xLabel) {
+						title = item.xLabel;
+					} else if (labelCount > 0 && item.index < labelCount) {
+						title = labels[item.index];
+					}
+				}
+
+				return title;
+			},
+			afterTitle: helpers$1.noop,
+
+			// Args are: (tooltipItems, data)
+			beforeBody: helpers$1.noop,
+
+			// Args are: (tooltipItem, data)
+			beforeLabel: helpers$1.noop,
+			label: function(tooltipItem, data) {
+				var label = data.datasets[tooltipItem.datasetIndex].label || '';
+
+				if (label) {
+					label += ': ';
+				}
+				if (!helpers$1.isNullOrUndef(tooltipItem.value)) {
+					label += tooltipItem.value;
+				} else {
+					label += tooltipItem.yLabel;
+				}
+				return label;
+			},
+			labelColor: function(tooltipItem, chart) {
+				var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);
+				var activeElement = meta.data[tooltipItem.index];
+				var view = activeElement._view;
+				return {
+					borderColor: view.borderColor,
+					backgroundColor: view.backgroundColor
+				};
+			},
+			labelTextColor: function() {
+				return this._options.bodyFontColor;
+			},
+			afterLabel: helpers$1.noop,
+
+			// Args are: (tooltipItems, data)
+			afterBody: helpers$1.noop,
+
+			// Args are: (tooltipItems, data)
+			beforeFooter: helpers$1.noop,
+			footer: helpers$1.noop,
+			afterFooter: helpers$1.noop
+		}
+	}
+});
+
+var positioners = {
+	/**
+	 * Average mode places the tooltip at the average position of the elements shown
+	 * @function Chart.Tooltip.positioners.average
+	 * @param elements {ChartElement[]} the elements being displayed in the tooltip
+	 * @returns {object} tooltip position
+	 */
+	average: function(elements) {
+		if (!elements.length) {
+			return false;
+		}
+
+		var i, len;
+		var x = 0;
+		var y = 0;
+		var count = 0;
+
+		for (i = 0, len = elements.length; i < len; ++i) {
+			var el = elements[i];
+			if (el && el.hasValue()) {
+				var pos = el.tooltipPosition();
+				x += pos.x;
+				y += pos.y;
+				++count;
+			}
+		}
+
+		return {
+			x: x / count,
+			y: y / count
+		};
+	},
+
+	/**
+	 * Gets the tooltip position nearest of the item nearest to the event position
+	 * @function Chart.Tooltip.positioners.nearest
+	 * @param elements {Chart.Element[]} the tooltip elements
+	 * @param eventPosition {object} the position of the event in canvas coordinates
+	 * @returns {object} the tooltip position
+	 */
+	nearest: function(elements, eventPosition) {
+		var x = eventPosition.x;
+		var y = eventPosition.y;
+		var minDistance = Number.POSITIVE_INFINITY;
+		var i, len, nearestElement;
+
+		for (i = 0, len = elements.length; i < len; ++i) {
+			var el = elements[i];
+			if (el && el.hasValue()) {
+				var center = el.getCenterPoint();
+				var d = helpers$1.distanceBetweenPoints(eventPosition, center);
+
+				if (d < minDistance) {
+					minDistance = d;
+					nearestElement = el;
+				}
+			}
+		}
+
+		if (nearestElement) {
+			var tp = nearestElement.tooltipPosition();
+			x = tp.x;
+			y = tp.y;
+		}
+
+		return {
+			x: x,
+			y: y
+		};
+	}
+};
+
+// Helper to push or concat based on if the 2nd parameter is an array or not
+function pushOrConcat(base, toPush) {
+	if (toPush) {
+		if (helpers$1.isArray(toPush)) {
+			// base = base.concat(toPush);
+			Array.prototype.push.apply(base, toPush);
+		} else {
+			base.push(toPush);
+		}
+	}
+
+	return base;
+}
+
+/**
+ * Returns array of strings split by newline
+ * @param {string} value - The value to split by newline.
+ * @returns {string[]} value if newline present - Returned from String split() method
+ * @function
+ */
+function splitNewlines(str) {
+	if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) {
+		return str.split('\n');
+	}
+	return str;
+}
+
+
+/**
+ * Private helper to create a tooltip item model
+ * @param element - the chart element (point, arc, bar) to create the tooltip item for
+ * @return new tooltip item
+ */
+function createTooltipItem(element) {
+	var xScale = element._xScale;
+	var yScale = element._yScale || element._scale; // handle radar || polarArea charts
+	var index = element._index;
+	var datasetIndex = element._datasetIndex;
+	var controller = element._chart.getDatasetMeta(datasetIndex).controller;
+	var indexScale = controller._getIndexScale();
+	var valueScale = controller._getValueScale();
+
+	return {
+		xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',
+		yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',
+		label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '',
+		value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '',
+		index: index,
+		datasetIndex: datasetIndex,
+		x: element._model.x,
+		y: element._model.y
+	};
+}
+
+/**
+ * Helper to get the reset model for the tooltip
+ * @param tooltipOpts {object} the tooltip options
+ */
+function getBaseModel(tooltipOpts) {
+	var globalDefaults = core_defaults.global;
+
+	return {
+		// Positioning
+		xPadding: tooltipOpts.xPadding,
+		yPadding: tooltipOpts.yPadding,
+		xAlign: tooltipOpts.xAlign,
+		yAlign: tooltipOpts.yAlign,
+
+		// Drawing direction and text direction
+		rtl: tooltipOpts.rtl,
+		textDirection: tooltipOpts.textDirection,
+
+		// Body
+		bodyFontColor: tooltipOpts.bodyFontColor,
+		_bodyFontFamily: valueOrDefault$8(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),
+		_bodyFontStyle: valueOrDefault$8(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),
+		_bodyAlign: tooltipOpts.bodyAlign,
+		bodyFontSize: valueOrDefault$8(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),
+		bodySpacing: tooltipOpts.bodySpacing,
+
+		// Title
+		titleFontColor: tooltipOpts.titleFontColor,
+		_titleFontFamily: valueOrDefault$8(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),
+		_titleFontStyle: valueOrDefault$8(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),
+		titleFontSize: valueOrDefault$8(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),
+		_titleAlign: tooltipOpts.titleAlign,
+		titleSpacing: tooltipOpts.titleSpacing,
+		titleMarginBottom: tooltipOpts.titleMarginBottom,
+
+		// Footer
+		footerFontColor: tooltipOpts.footerFontColor,
+		_footerFontFamily: valueOrDefault$8(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),
+		_footerFontStyle: valueOrDefault$8(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),
+		footerFontSize: valueOrDefault$8(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),
+		_footerAlign: tooltipOpts.footerAlign,
+		footerSpacing: tooltipOpts.footerSpacing,
+		footerMarginTop: tooltipOpts.footerMarginTop,
+
+		// Appearance
+		caretSize: tooltipOpts.caretSize,
+		cornerRadius: tooltipOpts.cornerRadius,
+		backgroundColor: tooltipOpts.backgroundColor,
+		opacity: 0,
+		legendColorBackground: tooltipOpts.multiKeyBackground,
+		displayColors: tooltipOpts.displayColors,
+		borderColor: tooltipOpts.borderColor,
+		borderWidth: tooltipOpts.borderWidth
+	};
+}
+
+/**
+ * Get the size of the tooltip
+ */
+function getTooltipSize(tooltip, model) {
+	var ctx = tooltip._chart.ctx;
+
+	var height = model.yPadding * 2; // Tooltip Padding
+	var width = 0;
+
+	// Count of all lines in the body
+	var body = model.body;
+	var combinedBodyLength = body.reduce(function(count, bodyItem) {
+		return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;
+	}, 0);
+	combinedBodyLength += model.beforeBody.length + model.afterBody.length;
+
+	var titleLineCount = model.title.length;
+	var footerLineCount = model.footer.length;
+	var titleFontSize = model.titleFontSize;
+	var bodyFontSize = model.bodyFontSize;
+	var footerFontSize = model.footerFontSize;
+
+	height += titleLineCount * titleFontSize; // Title Lines
+	height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing
+	height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin
+	height += combinedBodyLength * bodyFontSize; // Body Lines
+	height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing
+	height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin
+	height += footerLineCount * (footerFontSize); // Footer Lines
+	height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing
+
+	// Title width
+	var widthPadding = 0;
+	var maxLineWidth = function(line) {
+		width = Math.max(width, ctx.measureText(line).width + widthPadding);
+	};
+
+	ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);
+	helpers$1.each(model.title, maxLineWidth);
+
+	// Body width
+	ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);
+	helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth);
+
+	// Body lines may include some extra width due to the color box
+	widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;
+	helpers$1.each(body, function(bodyItem) {
+		helpers$1.each(bodyItem.before, maxLineWidth);
+		helpers$1.each(bodyItem.lines, maxLineWidth);
+		helpers$1.each(bodyItem.after, maxLineWidth);
+	});
+
+	// Reset back to 0
+	widthPadding = 0;
+
+	// Footer width
+	ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);
+	helpers$1.each(model.footer, maxLineWidth);
+
+	// Add padding
+	width += 2 * model.xPadding;
+
+	return {
+		width: width,
+		height: height
+	};
+}
+
+/**
+ * Helper to get the alignment of a tooltip given the size
+ */
+function determineAlignment(tooltip, size) {
+	var model = tooltip._model;
+	var chart = tooltip._chart;
+	var chartArea = tooltip._chart.chartArea;
+	var xAlign = 'center';
+	var yAlign = 'center';
+
+	if (model.y < size.height) {
+		yAlign = 'top';
+	} else if (model.y > (chart.height - size.height)) {
+		yAlign = 'bottom';
+	}
+
+	var lf, rf; // functions to determine left, right alignment
+	var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart
+	var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges
+	var midX = (chartArea.left + chartArea.right) / 2;
+	var midY = (chartArea.top + chartArea.bottom) / 2;
+
+	if (yAlign === 'center') {
+		lf = function(x) {
+			return x <= midX;
+		};
+		rf = function(x) {
+			return x > midX;
+		};
+	} else {
+		lf = function(x) {
+			return x <= (size.width / 2);
+		};
+		rf = function(x) {
+			return x >= (chart.width - (size.width / 2));
+		};
+	}
+
+	olf = function(x) {
+		return x + size.width + model.caretSize + model.caretPadding > chart.width;
+	};
+	orf = function(x) {
+		return x - size.width - model.caretSize - model.caretPadding < 0;
+	};
+	yf = function(y) {
+		return y <= midY ? 'top' : 'bottom';
+	};
+
+	if (lf(model.x)) {
+		xAlign = 'left';
+
+		// Is tooltip too wide and goes over the right side of the chart.?
+		if (olf(model.x)) {
+			xAlign = 'center';
+			yAlign = yf(model.y);
+		}
+	} else if (rf(model.x)) {
+		xAlign = 'right';
+
+		// Is tooltip too wide and goes outside left edge of canvas?
+		if (orf(model.x)) {
+			xAlign = 'center';
+			yAlign = yf(model.y);
+		}
+	}
+
+	var opts = tooltip._options;
+	return {
+		xAlign: opts.xAlign ? opts.xAlign : xAlign,
+		yAlign: opts.yAlign ? opts.yAlign : yAlign
+	};
+}
+
+/**
+ * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment
+ */
+function getBackgroundPoint(vm, size, alignment, chart) {
+	// Background Position
+	var x = vm.x;
+	var y = vm.y;
+
+	var caretSize = vm.caretSize;
+	var caretPadding = vm.caretPadding;
+	var cornerRadius = vm.cornerRadius;
+	var xAlign = alignment.xAlign;
+	var yAlign = alignment.yAlign;
+	var paddingAndSize = caretSize + caretPadding;
+	var radiusAndPadding = cornerRadius + caretPadding;
+
+	if (xAlign === 'right') {
+		x -= size.width;
+	} else if (xAlign === 'center') {
+		x -= (size.width / 2);
+		if (x + size.width > chart.width) {
+			x = chart.width - size.width;
+		}
+		if (x < 0) {
+			x = 0;
+		}
+	}
+
+	if (yAlign === 'top') {
+		y += paddingAndSize;
+	} else if (yAlign === 'bottom') {
+		y -= size.height + paddingAndSize;
+	} else {
+		y -= (size.height / 2);
+	}
+
+	if (yAlign === 'center') {
+		if (xAlign === 'left') {
+			x += paddingAndSize;
+		} else if (xAlign === 'right') {
+			x -= paddingAndSize;
+		}
+	} else if (xAlign === 'left') {
+		x -= radiusAndPadding;
+	} else if (xAlign === 'right') {
+		x += radiusAndPadding;
+	}
+
+	return {
+		x: x,
+		y: y
+	};
+}
+
+function getAlignedX(vm, align) {
+	return align === 'center'
+		? vm.x + vm.width / 2
+		: align === 'right'
+			? vm.x + vm.width - vm.xPadding
+			: vm.x + vm.xPadding;
+}
+
+/**
+ * Helper to build before and after body lines
+ */
+function getBeforeAfterBodyLines(callback) {
+	return pushOrConcat([], splitNewlines(callback));
+}
+
+var exports$4 = core_element.extend({
+	initialize: function() {
+		this._model = getBaseModel(this._options);
+		this._lastActive = [];
+	},
+
+	// Get the title
+	// Args are: (tooltipItem, data)
+	getTitle: function() {
+		var me = this;
+		var opts = me._options;
+		var callbacks = opts.callbacks;
+
+		var beforeTitle = callbacks.beforeTitle.apply(me, arguments);
+		var title = callbacks.title.apply(me, arguments);
+		var afterTitle = callbacks.afterTitle.apply(me, arguments);
+
+		var lines = [];
+		lines = pushOrConcat(lines, splitNewlines(beforeTitle));
+		lines = pushOrConcat(lines, splitNewlines(title));
+		lines = pushOrConcat(lines, splitNewlines(afterTitle));
+
+		return lines;
+	},
+
+	// Args are: (tooltipItem, data)
+	getBeforeBody: function() {
+		return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments));
+	},
+
+	// Args are: (tooltipItem, data)
+	getBody: function(tooltipItems, data) {
+		var me = this;
+		var callbacks = me._options.callbacks;
+		var bodyItems = [];
+
+		helpers$1.each(tooltipItems, function(tooltipItem) {
+			var bodyItem = {
+				before: [],
+				lines: [],
+				after: []
+			};
+			pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data)));
+			pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));
+			pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data)));
+
+			bodyItems.push(bodyItem);
+		});
+
+		return bodyItems;
+	},
+
+	// Args are: (tooltipItem, data)
+	getAfterBody: function() {
+		return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments));
+	},
+
+	// Get the footer and beforeFooter and afterFooter lines
+	// Args are: (tooltipItem, data)
+	getFooter: function() {
+		var me = this;
+		var callbacks = me._options.callbacks;
+
+		var beforeFooter = callbacks.beforeFooter.apply(me, arguments);
+		var footer = callbacks.footer.apply(me, arguments);
+		var afterFooter = callbacks.afterFooter.apply(me, arguments);
+
+		var lines = [];
+		lines = pushOrConcat(lines, splitNewlines(beforeFooter));
+		lines = pushOrConcat(lines, splitNewlines(footer));
+		lines = pushOrConcat(lines, splitNewlines(afterFooter));
+
+		return lines;
+	},
+
+	update: function(changed) {
+		var me = this;
+		var opts = me._options;
+
+		// Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition
+		// that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time
+		// which breaks any animations.
+		var existingModel = me._model;
+		var model = me._model = getBaseModel(opts);
+		var active = me._active;
+
+		var data = me._data;
+
+		// In the case where active.length === 0 we need to keep these at existing values for good animations
+		var alignment = {
+			xAlign: existingModel.xAlign,
+			yAlign: existingModel.yAlign
+		};
+		var backgroundPoint = {
+			x: existingModel.x,
+			y: existingModel.y
+		};
+		var tooltipSize = {
+			width: existingModel.width,
+			height: existingModel.height
+		};
+		var tooltipPosition = {
+			x: existingModel.caretX,
+			y: existingModel.caretY
+		};
+
+		var i, len;
+
+		if (active.length) {
+			model.opacity = 1;
+
+			var labelColors = [];
+			var labelTextColors = [];
+			tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition);
+
+			var tooltipItems = [];
+			for (i = 0, len = active.length; i < len; ++i) {
+				tooltipItems.push(createTooltipItem(active[i]));
+			}
+
+			// If the user provided a filter function, use it to modify the tooltip items
+			if (opts.filter) {
+				tooltipItems = tooltipItems.filter(function(a) {
+					return opts.filter(a, data);
+				});
+			}
+
+			// If the user provided a sorting function, use it to modify the tooltip items
+			if (opts.itemSort) {
+				tooltipItems = tooltipItems.sort(function(a, b) {
+					return opts.itemSort(a, b, data);
+				});
+			}
+
+			// Determine colors for boxes
+			helpers$1.each(tooltipItems, function(tooltipItem) {
+				labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));
+				labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));
+			});
+
+
+			// Build the Text Lines
+			model.title = me.getTitle(tooltipItems, data);
+			model.beforeBody = me.getBeforeBody(tooltipItems, data);
+			model.body = me.getBody(tooltipItems, data);
+			model.afterBody = me.getAfterBody(tooltipItems, data);
+			model.footer = me.getFooter(tooltipItems, data);
+
+			// Initial positioning and colors
+			model.x = tooltipPosition.x;
+			model.y = tooltipPosition.y;
+			model.caretPadding = opts.caretPadding;
+			model.labelColors = labelColors;
+			model.labelTextColors = labelTextColors;
+
+			// data points
+			model.dataPoints = tooltipItems;
+
+			// We need to determine alignment of the tooltip
+			tooltipSize = getTooltipSize(this, model);
+			alignment = determineAlignment(this, tooltipSize);
+			// Final Size and Position
+			backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart);
+		} else {
+			model.opacity = 0;
+		}
+
+		model.xAlign = alignment.xAlign;
+		model.yAlign = alignment.yAlign;
+		model.x = backgroundPoint.x;
+		model.y = backgroundPoint.y;
+		model.width = tooltipSize.width;
+		model.height = tooltipSize.height;
+
+		// Point where the caret on the tooltip points to
+		model.caretX = tooltipPosition.x;
+		model.caretY = tooltipPosition.y;
+
+		me._model = model;
+
+		if (changed && opts.custom) {
+			opts.custom.call(me, model);
+		}
+
+		return me;
+	},
+
+	drawCaret: function(tooltipPoint, size) {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+		var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);
+
+		ctx.lineTo(caretPosition.x1, caretPosition.y1);
+		ctx.lineTo(caretPosition.x2, caretPosition.y2);
+		ctx.lineTo(caretPosition.x3, caretPosition.y3);
+	},
+	getCaretPosition: function(tooltipPoint, size, vm) {
+		var x1, x2, x3, y1, y2, y3;
+		var caretSize = vm.caretSize;
+		var cornerRadius = vm.cornerRadius;
+		var xAlign = vm.xAlign;
+		var yAlign = vm.yAlign;
+		var ptX = tooltipPoint.x;
+		var ptY = tooltipPoint.y;
+		var width = size.width;
+		var height = size.height;
+
+		if (yAlign === 'center') {
+			y2 = ptY + (height / 2);
+
+			if (xAlign === 'left') {
+				x1 = ptX;
+				x2 = x1 - caretSize;
+				x3 = x1;
+
+				y1 = y2 + caretSize;
+				y3 = y2 - caretSize;
+			} else {
+				x1 = ptX + width;
+				x2 = x1 + caretSize;
+				x3 = x1;
+
+				y1 = y2 - caretSize;
+				y3 = y2 + caretSize;
+			}
+		} else {
+			if (xAlign === 'left') {
+				x2 = ptX + cornerRadius + (caretSize);
+				x1 = x2 - caretSize;
+				x3 = x2 + caretSize;
+			} else if (xAlign === 'right') {
+				x2 = ptX + width - cornerRadius - caretSize;
+				x1 = x2 - caretSize;
+				x3 = x2 + caretSize;
+			} else {
+				x2 = vm.caretX;
+				x1 = x2 - caretSize;
+				x3 = x2 + caretSize;
+			}
+			if (yAlign === 'top') {
+				y1 = ptY;
+				y2 = y1 - caretSize;
+				y3 = y1;
+			} else {
+				y1 = ptY + height;
+				y2 = y1 + caretSize;
+				y3 = y1;
+				// invert drawing order
+				var tmp = x3;
+				x3 = x1;
+				x1 = tmp;
+			}
+		}
+		return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};
+	},
+
+	drawTitle: function(pt, vm, ctx) {
+		var title = vm.title;
+		var length = title.length;
+		var titleFontSize, titleSpacing, i;
+
+		if (length) {
+			var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width);
+
+			pt.x = getAlignedX(vm, vm._titleAlign);
+
+			ctx.textAlign = rtlHelper.textAlign(vm._titleAlign);
+			ctx.textBaseline = 'middle';
+
+			titleFontSize = vm.titleFontSize;
+			titleSpacing = vm.titleSpacing;
+
+			ctx.fillStyle = vm.titleFontColor;
+			ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);
+
+			for (i = 0; i < length; ++i) {
+				ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFontSize / 2);
+				pt.y += titleFontSize + titleSpacing; // Line Height and spacing
+
+				if (i + 1 === length) {
+					pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing
+				}
+			}
+		}
+	},
+
+	drawBody: function(pt, vm, ctx) {
+		var bodyFontSize = vm.bodyFontSize;
+		var bodySpacing = vm.bodySpacing;
+		var bodyAlign = vm._bodyAlign;
+		var body = vm.body;
+		var drawColorBoxes = vm.displayColors;
+		var xLinePadding = 0;
+		var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0;
+
+		var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width);
+
+		var fillLineOfText = function(line) {
+			ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyFontSize / 2);
+			pt.y += bodyFontSize + bodySpacing;
+		};
+
+		var bodyItem, textColor, labelColors, lines, i, j, ilen, jlen;
+		var bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);
+
+		ctx.textAlign = bodyAlign;
+		ctx.textBaseline = 'middle';
+		ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);
+
+		pt.x = getAlignedX(vm, bodyAlignForCalculation);
+
+		// Before body lines
+		ctx.fillStyle = vm.bodyFontColor;
+		helpers$1.each(vm.beforeBody, fillLineOfText);
+
+		xLinePadding = drawColorBoxes && bodyAlignForCalculation !== 'right'
+			? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2)
+			: 0;
+
+		// Draw body lines now
+		for (i = 0, ilen = body.length; i < ilen; ++i) {
+			bodyItem = body[i];
+			textColor = vm.labelTextColors[i];
+			labelColors = vm.labelColors[i];
+
+			ctx.fillStyle = textColor;
+			helpers$1.each(bodyItem.before, fillLineOfText);
+
+			lines = bodyItem.lines;
+			for (j = 0, jlen = lines.length; j < jlen; ++j) {
+				// Draw Legend-like boxes if needed
+				if (drawColorBoxes) {
+					var rtlColorX = rtlHelper.x(colorX);
+
+					// Fill a white rect so that colours merge nicely if the opacity is < 1
+					ctx.fillStyle = vm.legendColorBackground;
+					ctx.fillRect(rtlHelper.leftForLtr(rtlColorX, bodyFontSize), pt.y, bodyFontSize, bodyFontSize);
+
+					// Border
+					ctx.lineWidth = 1;
+					ctx.strokeStyle = labelColors.borderColor;
+					ctx.strokeRect(rtlHelper.leftForLtr(rtlColorX, bodyFontSize), pt.y, bodyFontSize, bodyFontSize);
+
+					// Inner square
+					ctx.fillStyle = labelColors.backgroundColor;
+					ctx.fillRect(rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), bodyFontSize - 2), pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);
+					ctx.fillStyle = textColor;
+				}
+
+				fillLineOfText(lines[j]);
+			}
+
+			helpers$1.each(bodyItem.after, fillLineOfText);
+		}
+
+		// Reset back to 0 for after body
+		xLinePadding = 0;
+
+		// After body lines
+		helpers$1.each(vm.afterBody, fillLineOfText);
+		pt.y -= bodySpacing; // Remove last body spacing
+	},
+
+	drawFooter: function(pt, vm, ctx) {
+		var footer = vm.footer;
+		var length = footer.length;
+		var footerFontSize, i;
+
+		if (length) {
+			var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width);
+
+			pt.x = getAlignedX(vm, vm._footerAlign);
+			pt.y += vm.footerMarginTop;
+
+			ctx.textAlign = rtlHelper.textAlign(vm._footerAlign);
+			ctx.textBaseline = 'middle';
+
+			footerFontSize = vm.footerFontSize;
+
+			ctx.fillStyle = vm.footerFontColor;
+			ctx.font = helpers$1.fontString(footerFontSize, vm._footerFontStyle, vm._footerFontFamily);
+
+			for (i = 0; i < length; ++i) {
+				ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFontSize / 2);
+				pt.y += footerFontSize + vm.footerSpacing;
+			}
+		}
+	},
+
+	drawBackground: function(pt, vm, ctx, tooltipSize) {
+		ctx.fillStyle = vm.backgroundColor;
+		ctx.strokeStyle = vm.borderColor;
+		ctx.lineWidth = vm.borderWidth;
+		var xAlign = vm.xAlign;
+		var yAlign = vm.yAlign;
+		var x = pt.x;
+		var y = pt.y;
+		var width = tooltipSize.width;
+		var height = tooltipSize.height;
+		var radius = vm.cornerRadius;
+
+		ctx.beginPath();
+		ctx.moveTo(x + radius, y);
+		if (yAlign === 'top') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x + width - radius, y);
+		ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
+		if (yAlign === 'center' && xAlign === 'right') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x + width, y + height - radius);
+		ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
+		if (yAlign === 'bottom') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x + radius, y + height);
+		ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
+		if (yAlign === 'center' && xAlign === 'left') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x, y + radius);
+		ctx.quadraticCurveTo(x, y, x + radius, y);
+		ctx.closePath();
+
+		ctx.fill();
+
+		if (vm.borderWidth > 0) {
+			ctx.stroke();
+		}
+	},
+
+	draw: function() {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+
+		if (vm.opacity === 0) {
+			return;
+		}
+
+		var tooltipSize = {
+			width: vm.width,
+			height: vm.height
+		};
+		var pt = {
+			x: vm.x,
+			y: vm.y
+		};
+
+		// IE11/Edge does not like very small opacities, so snap to 0
+		var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;
+
+		// Truthy/falsey value for empty tooltip
+		var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;
+
+		if (this._options.enabled && hasTooltipContent) {
+			ctx.save();
+			ctx.globalAlpha = opacity;
+
+			// Draw Background
+			this.drawBackground(pt, vm, ctx, tooltipSize);
+
+			// Draw Title, Body, and Footer
+			pt.y += vm.yPadding;
+
+			helpers$1.rtl.overrideTextDirection(ctx, vm.textDirection);
+
+			// Titles
+			this.drawTitle(pt, vm, ctx);
+
+			// Body
+			this.drawBody(pt, vm, ctx);
+
+			// Footer
+			this.drawFooter(pt, vm, ctx);
+
+			helpers$1.rtl.restoreTextDirection(ctx, vm.textDirection);
+
+			ctx.restore();
+		}
+	},
+
+	/**
+	 * Handle an event
+	 * @private
+	 * @param {IEvent} event - The event to handle
+	 * @returns {boolean} true if the tooltip changed
+	 */
+	handleEvent: function(e) {
+		var me = this;
+		var options = me._options;
+		var changed = false;
+
+		me._lastActive = me._lastActive || [];
+
+		// Find Active Elements for tooltips
+		if (e.type === 'mouseout') {
+			me._active = [];
+		} else {
+			me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);
+			if (options.reverse) {
+				me._active.reverse();
+			}
+		}
+
+		// Remember Last Actives
+		changed = !helpers$1.arrayEquals(me._active, me._lastActive);
+
+		// Only handle target event on tooltip change
+		if (changed) {
+			me._lastActive = me._active;
+
+			if (options.enabled || options.custom) {
+				me._eventPosition = {
+					x: e.x,
+					y: e.y
+				};
+
+				me.update(true);
+				me.pivot();
+			}
+		}
+
+		return changed;
+	}
+});
+
+/**
+ * @namespace Chart.Tooltip.positioners
+ */
+var positioners_1 = positioners;
+
+var core_tooltip = exports$4;
+core_tooltip.positioners = positioners_1;
+
+var valueOrDefault$9 = helpers$1.valueOrDefault;
+
+core_defaults._set('global', {
+	elements: {},
+	events: [
+		'mousemove',
+		'mouseout',
+		'click',
+		'touchstart',
+		'touchmove'
+	],
+	hover: {
+		onHover: null,
+		mode: 'nearest',
+		intersect: true,
+		animationDuration: 400
+	},
+	onClick: null,
+	maintainAspectRatio: true,
+	responsive: true,
+	responsiveAnimationDuration: 0
+});
+
+/**
+ * Recursively merge the given config objects representing the `scales` option
+ * by incorporating scale defaults in `xAxes` and `yAxes` array items, then
+ * returns a deep copy of the result, thus doesn't alter inputs.
+ */
+function mergeScaleConfig(/* config objects ... */) {
+	return helpers$1.merge(Object.create(null), [].slice.call(arguments), {
+		merger: function(key, target, source, options) {
+			if (key === 'xAxes' || key === 'yAxes') {
+				var slen = source[key].length;
+				var i, type, scale;
+
+				if (!target[key]) {
+					target[key] = [];
+				}
+
+				for (i = 0; i < slen; ++i) {
+					scale = source[key][i];
+					type = valueOrDefault$9(scale.type, key === 'xAxes' ? 'category' : 'linear');
+
+					if (i >= target[key].length) {
+						target[key].push({});
+					}
+
+					if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {
+						// new/untyped scale or type changed: let's apply the new defaults
+						// then merge source scale to correctly overwrite the defaults.
+						helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]);
+					} else {
+						// scales type are the same
+						helpers$1.merge(target[key][i], scale);
+					}
+				}
+			} else {
+				helpers$1._merger(key, target, source, options);
+			}
+		}
+	});
+}
+
+/**
+ * Recursively merge the given config objects as the root options by handling
+ * default scale options for the `scales` and `scale` properties, then returns
+ * a deep copy of the result, thus doesn't alter inputs.
+ */
+function mergeConfig(/* config objects ... */) {
+	return helpers$1.merge(Object.create(null), [].slice.call(arguments), {
+		merger: function(key, target, source, options) {
+			var tval = target[key] || Object.create(null);
+			var sval = source[key];
+
+			if (key === 'scales') {
+				// scale config merging is complex. Add our own function here for that
+				target[key] = mergeScaleConfig(tval, sval);
+			} else if (key === 'scale') {
+				// used in polar area & radar charts since there is only one scale
+				target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]);
+			} else {
+				helpers$1._merger(key, target, source, options);
+			}
+		}
+	});
+}
+
+function initConfig(config) {
+	config = config || Object.create(null);
+
+	// Do NOT use mergeConfig for the data object because this method merges arrays
+	// and so would change references to labels and datasets, preventing data updates.
+	var data = config.data = config.data || {};
+	data.datasets = data.datasets || [];
+	data.labels = data.labels || [];
+
+	config.options = mergeConfig(
+		core_defaults.global,
+		core_defaults[config.type],
+		config.options || {});
+
+	return config;
+}
+
+function updateConfig(chart) {
+	var newOptions = chart.options;
+
+	helpers$1.each(chart.scales, function(scale) {
+		core_layouts.removeBox(chart, scale);
+	});
+
+	newOptions = mergeConfig(
+		core_defaults.global,
+		core_defaults[chart.config.type],
+		newOptions);
+
+	chart.options = chart.config.options = newOptions;
+	chart.ensureScalesHaveIDs();
+	chart.buildOrUpdateScales();
+
+	// Tooltip
+	chart.tooltip._options = newOptions.tooltips;
+	chart.tooltip.initialize();
+}
+
+function nextAvailableScaleId(axesOpts, prefix, index) {
+	var id;
+	var hasId = function(obj) {
+		return obj.id === id;
+	};
+
+	do {
+		id = prefix + index++;
+	} while (helpers$1.findIndex(axesOpts, hasId) >= 0);
+
+	return id;
+}
+
+function positionIsHorizontal(position) {
+	return position === 'top' || position === 'bottom';
+}
+
+function compare2Level(l1, l2) {
+	return function(a, b) {
+		return a[l1] === b[l1]
+			? a[l2] - b[l2]
+			: a[l1] - b[l1];
+	};
+}
+
+var Chart = function(item, config) {
+	this.construct(item, config);
+	return this;
+};
+
+helpers$1.extend(Chart.prototype, /** @lends Chart */ {
+	/**
+	 * @private
+	 */
+	construct: function(item, config) {
+		var me = this;
+
+		config = initConfig(config);
+
+		var context = platform.acquireContext(item, config);
+		var canvas = context && context.canvas;
+		var height = canvas && canvas.height;
+		var width = canvas && canvas.width;
+
+		me.id = helpers$1.uid();
+		me.ctx = context;
+		me.canvas = canvas;
+		me.config = config;
+		me.width = width;
+		me.height = height;
+		me.aspectRatio = height ? width / height : null;
+		me.options = config.options;
+		me._bufferedRender = false;
+		me._layers = [];
+
+		/**
+		 * Provided for backward compatibility, Chart and Chart.Controller have been merged,
+		 * the "instance" still need to be defined since it might be called from plugins.
+		 * @prop Chart#chart
+		 * @deprecated since version 2.6.0
+		 * @todo remove at version 3
+		 * @private
+		 */
+		me.chart = me;
+		me.controller = me; // chart.chart.controller #inception
+
+		// Add the chart instance to the global namespace
+		Chart.instances[me.id] = me;
+
+		// Define alias to the config data: `chart.data === chart.config.data`
+		Object.defineProperty(me, 'data', {
+			get: function() {
+				return me.config.data;
+			},
+			set: function(value) {
+				me.config.data = value;
+			}
+		});
+
+		if (!context || !canvas) {
+			// The given item is not a compatible context2d element, let's return before finalizing
+			// the chart initialization but after setting basic chart / controller properties that
+			// can help to figure out that the chart is not valid (e.g chart.canvas !== null);
+			// https://github.com/chartjs/Chart.js/issues/2807
+			console.error("Failed to create chart: can't acquire context from the given item");
+			return;
+		}
+
+		me.initialize();
+		me.update();
+	},
+
+	/**
+	 * @private
+	 */
+	initialize: function() {
+		var me = this;
+
+		// Before init plugin notification
+		core_plugins.notify(me, 'beforeInit');
+
+		helpers$1.retinaScale(me, me.options.devicePixelRatio);
+
+		me.bindEvents();
+
+		if (me.options.responsive) {
+			// Initial resize before chart draws (must be silent to preserve initial animations).
+			me.resize(true);
+		}
+
+		me.initToolTip();
+
+		// After init plugin notification
+		core_plugins.notify(me, 'afterInit');
+
+		return me;
+	},
+
+	clear: function() {
+		helpers$1.canvas.clear(this);
+		return this;
+	},
+
+	stop: function() {
+		// Stops any current animation loop occurring
+		core_animations.cancelAnimation(this);
+		return this;
+	},
+
+	resize: function(silent) {
+		var me = this;
+		var options = me.options;
+		var canvas = me.canvas;
+		var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;
+
+		// the canvas render width and height will be casted to integers so make sure that
+		// the canvas display style uses the same integer values to avoid blurring effect.
+
+		// Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed
+		var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas)));
+		var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas)));
+
+		if (me.width === newWidth && me.height === newHeight) {
+			return;
+		}
+
+		canvas.width = me.width = newWidth;
+		canvas.height = me.height = newHeight;
+		canvas.style.width = newWidth + 'px';
+		canvas.style.height = newHeight + 'px';
+
+		helpers$1.retinaScale(me, options.devicePixelRatio);
+
+		if (!silent) {
+			// Notify any plugins about the resize
+			var newSize = {width: newWidth, height: newHeight};
+			core_plugins.notify(me, 'resize', [newSize]);
+
+			// Notify of resize
+			if (options.onResize) {
+				options.onResize(me, newSize);
+			}
+
+			me.stop();
+			me.update({
+				duration: options.responsiveAnimationDuration
+			});
+		}
+	},
+
+	ensureScalesHaveIDs: function() {
+		var options = this.options;
+		var scalesOptions = options.scales || {};
+		var scaleOptions = options.scale;
+
+		helpers$1.each(scalesOptions.xAxes, function(xAxisOptions, index) {
+			if (!xAxisOptions.id) {
+				xAxisOptions.id = nextAvailableScaleId(scalesOptions.xAxes, 'x-axis-', index);
+			}
+		});
+
+		helpers$1.each(scalesOptions.yAxes, function(yAxisOptions, index) {
+			if (!yAxisOptions.id) {
+				yAxisOptions.id = nextAvailableScaleId(scalesOptions.yAxes, 'y-axis-', index);
+			}
+		});
+
+		if (scaleOptions) {
+			scaleOptions.id = scaleOptions.id || 'scale';
+		}
+	},
+
+	/**
+	 * Builds a map of scale ID to scale object for future lookup.
+	 */
+	buildOrUpdateScales: function() {
+		var me = this;
+		var options = me.options;
+		var scales = me.scales || {};
+		var items = [];
+		var updated = Object.keys(scales).reduce(function(obj, id) {
+			obj[id] = false;
+			return obj;
+		}, {});
+
+		if (options.scales) {
+			items = items.concat(
+				(options.scales.xAxes || []).map(function(xAxisOptions) {
+					return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};
+				}),
+				(options.scales.yAxes || []).map(function(yAxisOptions) {
+					return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};
+				})
+			);
+		}
+
+		if (options.scale) {
+			items.push({
+				options: options.scale,
+				dtype: 'radialLinear',
+				isDefault: true,
+				dposition: 'chartArea'
+			});
+		}
+
+		helpers$1.each(items, function(item) {
+			var scaleOptions = item.options;
+			var id = scaleOptions.id;
+			var scaleType = valueOrDefault$9(scaleOptions.type, item.dtype);
+
+			if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {
+				scaleOptions.position = item.dposition;
+			}
+
+			updated[id] = true;
+			var scale = null;
+			if (id in scales && scales[id].type === scaleType) {
+				scale = scales[id];
+				scale.options = scaleOptions;
+				scale.ctx = me.ctx;
+				scale.chart = me;
+			} else {
+				var scaleClass = core_scaleService.getScaleConstructor(scaleType);
+				if (!scaleClass) {
+					return;
+				}
+				scale = new scaleClass({
+					id: id,
+					type: scaleType,
+					options: scaleOptions,
+					ctx: me.ctx,
+					chart: me
+				});
+				scales[scale.id] = scale;
+			}
+
+			scale.mergeTicksOptions();
+
+			// TODO(SB): I think we should be able to remove this custom case (options.scale)
+			// and consider it as a regular scale part of the "scales"" map only! This would
+			// make the logic easier and remove some useless? custom code.
+			if (item.isDefault) {
+				me.scale = scale;
+			}
+		});
+		// clear up discarded scales
+		helpers$1.each(updated, function(hasUpdated, id) {
+			if (!hasUpdated) {
+				delete scales[id];
+			}
+		});
+
+		me.scales = scales;
+
+		core_scaleService.addScalesToLayout(this);
+	},
+
+	buildOrUpdateControllers: function() {
+		var me = this;
+		var newControllers = [];
+		var datasets = me.data.datasets;
+		var i, ilen;
+
+		for (i = 0, ilen = datasets.length; i < ilen; i++) {
+			var dataset = datasets[i];
+			var meta = me.getDatasetMeta(i);
+			var type = dataset.type || me.config.type;
+
+			if (meta.type && meta.type !== type) {
+				me.destroyDatasetMeta(i);
+				meta = me.getDatasetMeta(i);
+			}
+			meta.type = type;
+			meta.order = dataset.order || 0;
+			meta.index = i;
+
+			if (meta.controller) {
+				meta.controller.updateIndex(i);
+				meta.controller.linkScales();
+			} else {
+				var ControllerClass = controllers[meta.type];
+				if (ControllerClass === undefined) {
+					throw new Error('"' + meta.type + '" is not a chart type.');
+				}
+
+				meta.controller = new ControllerClass(me, i);
+				newControllers.push(meta.controller);
+			}
+		}
+
+		return newControllers;
+	},
+
+	/**
+	 * Reset the elements of all datasets
+	 * @private
+	 */
+	resetElements: function() {
+		var me = this;
+		helpers$1.each(me.data.datasets, function(dataset, datasetIndex) {
+			me.getDatasetMeta(datasetIndex).controller.reset();
+		}, me);
+	},
+
+	/**
+	* Resets the chart back to it's state before the initial animation
+	*/
+	reset: function() {
+		this.resetElements();
+		this.tooltip.initialize();
+	},
+
+	update: function(config) {
+		var me = this;
+		var i, ilen;
+
+		if (!config || typeof config !== 'object') {
+			// backwards compatibility
+			config = {
+				duration: config,
+				lazy: arguments[1]
+			};
+		}
+
+		updateConfig(me);
+
+		// plugins options references might have change, let's invalidate the cache
+		// https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167
+		core_plugins._invalidate(me);
+
+		if (core_plugins.notify(me, 'beforeUpdate') === false) {
+			return;
+		}
+
+		// In case the entire data object changed
+		me.tooltip._data = me.data;
+
+		// Make sure dataset controllers are updated and new controllers are reset
+		var newControllers = me.buildOrUpdateControllers();
+
+		// Make sure all dataset controllers have correct meta data counts
+		for (i = 0, ilen = me.data.datasets.length; i < ilen; i++) {
+			me.getDatasetMeta(i).controller.buildOrUpdateElements();
+		}
+
+		me.updateLayout();
+
+		// Can only reset the new controllers after the scales have been updated
+		if (me.options.animation && me.options.animation.duration) {
+			helpers$1.each(newControllers, function(controller) {
+				controller.reset();
+			});
+		}
+
+		me.updateDatasets();
+
+		// Need to reset tooltip in case it is displayed with elements that are removed
+		// after update.
+		me.tooltip.initialize();
+
+		// Last active contains items that were previously in the tooltip.
+		// When we reset the tooltip, we need to clear it
+		me.lastActive = [];
+
+		// Do this before render so that any plugins that need final scale updates can use it
+		core_plugins.notify(me, 'afterUpdate');
+
+		me._layers.sort(compare2Level('z', '_idx'));
+
+		if (me._bufferedRender) {
+			me._bufferedRequest = {
+				duration: config.duration,
+				easing: config.easing,
+				lazy: config.lazy
+			};
+		} else {
+			me.render(config);
+		}
+	},
+
+	/**
+	 * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`
+	 * hook, in which case, plugins will not be called on `afterLayout`.
+	 * @private
+	 */
+	updateLayout: function() {
+		var me = this;
+
+		if (core_plugins.notify(me, 'beforeLayout') === false) {
+			return;
+		}
+
+		core_layouts.update(this, this.width, this.height);
+
+		me._layers = [];
+		helpers$1.each(me.boxes, function(box) {
+			// _configure is called twice, once in core.scale.update and once here.
+			// Here the boxes are fully updated and at their final positions.
+			if (box._configure) {
+				box._configure();
+			}
+			me._layers.push.apply(me._layers, box._layers());
+		}, me);
+
+		me._layers.forEach(function(item, index) {
+			item._idx = index;
+		});
+
+		/**
+		 * Provided for backward compatibility, use `afterLayout` instead.
+		 * @method IPlugin#afterScaleUpdate
+		 * @deprecated since version 2.5.0
+		 * @todo remove at version 3
+		 * @private
+		 */
+		core_plugins.notify(me, 'afterScaleUpdate');
+		core_plugins.notify(me, 'afterLayout');
+	},
+
+	/**
+	 * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`
+	 * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.
+	 * @private
+	 */
+	updateDatasets: function() {
+		var me = this;
+
+		if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) {
+			return;
+		}
+
+		for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
+			me.updateDataset(i);
+		}
+
+		core_plugins.notify(me, 'afterDatasetsUpdate');
+	},
+
+	/**
+	 * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`
+	 * hook, in which case, plugins will not be called on `afterDatasetUpdate`.
+	 * @private
+	 */
+	updateDataset: function(index) {
+		var me = this;
+		var meta = me.getDatasetMeta(index);
+		var args = {
+			meta: meta,
+			index: index
+		};
+
+		if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {
+			return;
+		}
+
+		meta.controller._update();
+
+		core_plugins.notify(me, 'afterDatasetUpdate', [args]);
+	},
+
+	render: function(config) {
+		var me = this;
+
+		if (!config || typeof config !== 'object') {
+			// backwards compatibility
+			config = {
+				duration: config,
+				lazy: arguments[1]
+			};
+		}
+
+		var animationOptions = me.options.animation;
+		var duration = valueOrDefault$9(config.duration, animationOptions && animationOptions.duration);
+		var lazy = config.lazy;
+
+		if (core_plugins.notify(me, 'beforeRender') === false) {
+			return;
+		}
+
+		var onComplete = function(animation) {
+			core_plugins.notify(me, 'afterRender');
+			helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me);
+		};
+
+		if (animationOptions && duration) {
+			var animation = new core_animation({
+				numSteps: duration / 16.66, // 60 fps
+				easing: config.easing || animationOptions.easing,
+
+				render: function(chart, animationObject) {
+					var easingFunction = helpers$1.easing.effects[animationObject.easing];
+					var currentStep = animationObject.currentStep;
+					var stepDecimal = currentStep / animationObject.numSteps;
+
+					chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);
+				},
+
+				onAnimationProgress: animationOptions.onProgress,
+				onAnimationComplete: onComplete
+			});
+
+			core_animations.addAnimation(me, animation, duration, lazy);
+		} else {
+			me.draw();
+
+			// See https://github.com/chartjs/Chart.js/issues/3781
+			onComplete(new core_animation({numSteps: 0, chart: me}));
+		}
+
+		return me;
+	},
+
+	draw: function(easingValue) {
+		var me = this;
+		var i, layers;
+
+		me.clear();
+
+		if (helpers$1.isNullOrUndef(easingValue)) {
+			easingValue = 1;
+		}
+
+		me.transition(easingValue);
+
+		if (me.width <= 0 || me.height <= 0) {
+			return;
+		}
+
+		if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) {
+			return;
+		}
+
+		// Because of plugin hooks (before/afterDatasetsDraw), datasets can't
+		// currently be part of layers. Instead, we draw
+		// layers <= 0 before(default, backward compat), and the rest after
+		layers = me._layers;
+		for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {
+			layers[i].draw(me.chartArea);
+		}
+
+		me.drawDatasets(easingValue);
+
+		// Rest of layers
+		for (; i < layers.length; ++i) {
+			layers[i].draw(me.chartArea);
+		}
+
+		me._drawTooltip(easingValue);
+
+		core_plugins.notify(me, 'afterDraw', [easingValue]);
+	},
+
+	/**
+	 * @private
+	 */
+	transition: function(easingValue) {
+		var me = this;
+
+		for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {
+			if (me.isDatasetVisible(i)) {
+				me.getDatasetMeta(i).controller.transition(easingValue);
+			}
+		}
+
+		me.tooltip.transition(easingValue);
+	},
+
+	/**
+	 * @private
+	 */
+	_getSortedDatasetMetas: function(filterVisible) {
+		var me = this;
+		var datasets = me.data.datasets || [];
+		var result = [];
+		var i, ilen;
+
+		for (i = 0, ilen = datasets.length; i < ilen; ++i) {
+			if (!filterVisible || me.isDatasetVisible(i)) {
+				result.push(me.getDatasetMeta(i));
+			}
+		}
+
+		result.sort(compare2Level('order', 'index'));
+
+		return result;
+	},
+
+	/**
+	 * @private
+	 */
+	_getSortedVisibleDatasetMetas: function() {
+		return this._getSortedDatasetMetas(true);
+	},
+
+	/**
+	 * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`
+	 * hook, in which case, plugins will not be called on `afterDatasetsDraw`.
+	 * @private
+	 */
+	drawDatasets: function(easingValue) {
+		var me = this;
+		var metasets, i;
+
+		if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {
+			return;
+		}
+
+		metasets = me._getSortedVisibleDatasetMetas();
+		for (i = metasets.length - 1; i >= 0; --i) {
+			me.drawDataset(metasets[i], easingValue);
+		}
+
+		core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]);
+	},
+
+	/**
+	 * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`
+	 * hook, in which case, plugins will not be called on `afterDatasetDraw`.
+	 * @private
+	 */
+	drawDataset: function(meta, easingValue) {
+		var me = this;
+		var args = {
+			meta: meta,
+			index: meta.index,
+			easingValue: easingValue
+		};
+
+		if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {
+			return;
+		}
+
+		meta.controller.draw(easingValue);
+
+		core_plugins.notify(me, 'afterDatasetDraw', [args]);
+	},
+
+	/**
+	 * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw`
+	 * hook, in which case, plugins will not be called on `afterTooltipDraw`.
+	 * @private
+	 */
+	_drawTooltip: function(easingValue) {
+		var me = this;
+		var tooltip = me.tooltip;
+		var args = {
+			tooltip: tooltip,
+			easingValue: easingValue
+		};
+
+		if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) {
+			return;
+		}
+
+		tooltip.draw();
+
+		core_plugins.notify(me, 'afterTooltipDraw', [args]);
+	},
+
+	/**
+	 * Get the single element that was clicked on
+	 * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw
+	 */
+	getElementAtEvent: function(e) {
+		return core_interaction.modes.single(this, e);
+	},
+
+	getElementsAtEvent: function(e) {
+		return core_interaction.modes.label(this, e, {intersect: true});
+	},
+
+	getElementsAtXAxis: function(e) {
+		return core_interaction.modes['x-axis'](this, e, {intersect: true});
+	},
+
+	getElementsAtEventForMode: function(e, mode, options) {
+		var method = core_interaction.modes[mode];
+		if (typeof method === 'function') {
+			return method(this, e, options);
+		}
+
+		return [];
+	},
+
+	getDatasetAtEvent: function(e) {
+		return core_interaction.modes.dataset(this, e, {intersect: true});
+	},
+
+	getDatasetMeta: function(datasetIndex) {
+		var me = this;
+		var dataset = me.data.datasets[datasetIndex];
+		if (!dataset._meta) {
+			dataset._meta = {};
+		}
+
+		var meta = dataset._meta[me.id];
+		if (!meta) {
+			meta = dataset._meta[me.id] = {
+				type: null,
+				data: [],
+				dataset: null,
+				controller: null,
+				hidden: null,			// See isDatasetVisible() comment
+				xAxisID: null,
+				yAxisID: null,
+				order: dataset.order || 0,
+				index: datasetIndex
+			};
+		}
+
+		return meta;
+	},
+
+	getVisibleDatasetCount: function() {
+		var count = 0;
+		for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {
+			if (this.isDatasetVisible(i)) {
+				count++;
+			}
+		}
+		return count;
+	},
+
+	isDatasetVisible: function(datasetIndex) {
+		var meta = this.getDatasetMeta(datasetIndex);
+
+		// meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,
+		// the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.
+		return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;
+	},
+
+	generateLegend: function() {
+		return this.options.legendCallback(this);
+	},
+
+	/**
+	 * @private
+	 */
+	destroyDatasetMeta: function(datasetIndex) {
+		var id = this.id;
+		var dataset = this.data.datasets[datasetIndex];
+		var meta = dataset._meta && dataset._meta[id];
+
+		if (meta) {
+			meta.controller.destroy();
+			delete dataset._meta[id];
+		}
+	},
+
+	destroy: function() {
+		var me = this;
+		var canvas = me.canvas;
+		var i, ilen;
+
+		me.stop();
+
+		// dataset controllers need to cleanup associated data
+		for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
+			me.destroyDatasetMeta(i);
+		}
+
+		if (canvas) {
+			me.unbindEvents();
+			helpers$1.canvas.clear(me);
+			platform.releaseContext(me.ctx);
+			me.canvas = null;
+			me.ctx = null;
+		}
+
+		core_plugins.notify(me, 'destroy');
+
+		delete Chart.instances[me.id];
+	},
+
+	toBase64Image: function() {
+		return this.canvas.toDataURL.apply(this.canvas, arguments);
+	},
+
+	initToolTip: function() {
+		var me = this;
+		me.tooltip = new core_tooltip({
+			_chart: me,
+			_chartInstance: me, // deprecated, backward compatibility
+			_data: me.data,
+			_options: me.options.tooltips
+		}, me);
+	},
+
+	/**
+	 * @private
+	 */
+	bindEvents: function() {
+		var me = this;
+		var listeners = me._listeners = {};
+		var listener = function() {
+			me.eventHandler.apply(me, arguments);
+		};
+
+		helpers$1.each(me.options.events, function(type) {
+			platform.addEventListener(me, type, listener);
+			listeners[type] = listener;
+		});
+
+		// Elements used to detect size change should not be injected for non responsive charts.
+		// See https://github.com/chartjs/Chart.js/issues/2210
+		if (me.options.responsive) {
+			listener = function() {
+				me.resize();
+			};
+
+			platform.addEventListener(me, 'resize', listener);
+			listeners.resize = listener;
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	unbindEvents: function() {
+		var me = this;
+		var listeners = me._listeners;
+		if (!listeners) {
+			return;
+		}
+
+		delete me._listeners;
+		helpers$1.each(listeners, function(listener, type) {
+			platform.removeEventListener(me, type, listener);
+		});
+	},
+
+	updateHoverStyle: function(elements, mode, enabled) {
+		var prefix = enabled ? 'set' : 'remove';
+		var element, i, ilen;
+
+		for (i = 0, ilen = elements.length; i < ilen; ++i) {
+			element = elements[i];
+			if (element) {
+				this.getDatasetMeta(element._datasetIndex).controller[prefix + 'HoverStyle'](element);
+			}
+		}
+
+		if (mode === 'dataset') {
+			this.getDatasetMeta(elements[0]._datasetIndex).controller['_' + prefix + 'DatasetHoverStyle']();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	eventHandler: function(e) {
+		var me = this;
+		var tooltip = me.tooltip;
+
+		if (core_plugins.notify(me, 'beforeEvent', [e]) === false) {
+			return;
+		}
+
+		// Buffer any update calls so that renders do not occur
+		me._bufferedRender = true;
+		me._bufferedRequest = null;
+
+		var changed = me.handleEvent(e);
+		// for smooth tooltip animations issue #4989
+		// the tooltip should be the source of change
+		// Animation check workaround:
+		// tooltip._start will be null when tooltip isn't animating
+		if (tooltip) {
+			changed = tooltip._start
+				? tooltip.handleEvent(e)
+				: changed | tooltip.handleEvent(e);
+		}
+
+		core_plugins.notify(me, 'afterEvent', [e]);
+
+		var bufferedRequest = me._bufferedRequest;
+		if (bufferedRequest) {
+			// If we have an update that was triggered, we need to do a normal render
+			me.render(bufferedRequest);
+		} else if (changed && !me.animating) {
+			// If entering, leaving, or changing elements, animate the change via pivot
+			me.stop();
+
+			// We only need to render at this point. Updating will cause scales to be
+			// recomputed generating flicker & using more memory than necessary.
+			me.render({
+				duration: me.options.hover.animationDuration,
+				lazy: true
+			});
+		}
+
+		me._bufferedRender = false;
+		me._bufferedRequest = null;
+
+		return me;
+	},
+
+	/**
+	 * Handle an event
+	 * @private
+	 * @param {IEvent} event the event to handle
+	 * @return {boolean} true if the chart needs to re-render
+	 */
+	handleEvent: function(e) {
+		var me = this;
+		var options = me.options || {};
+		var hoverOptions = options.hover;
+		var changed = false;
+
+		me.lastActive = me.lastActive || [];
+
+		// Find Active Elements for hover and tooltips
+		if (e.type === 'mouseout') {
+			me.active = [];
+		} else {
+			me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);
+		}
+
+		// Invoke onHover hook
+		// Need to call with native event here to not break backwards compatibility
+		helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);
+
+		if (e.type === 'mouseup' || e.type === 'click') {
+			if (options.onClick) {
+				// Use e.native here for backwards compatibility
+				options.onClick.call(me, e.native, me.active);
+			}
+		}
+
+		// Remove styling for last active (even if it may still be active)
+		if (me.lastActive.length) {
+			me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);
+		}
+
+		// Built in hover styling
+		if (me.active.length && hoverOptions.mode) {
+			me.updateHoverStyle(me.active, hoverOptions.mode, true);
+		}
+
+		changed = !helpers$1.arrayEquals(me.active, me.lastActive);
+
+		// Remember Last Actives
+		me.lastActive = me.active;
+
+		return changed;
+	}
+});
+
+/**
+ * NOTE(SB) We actually don't use this container anymore but we need to keep it
+ * for backward compatibility. Though, it can still be useful for plugins that
+ * would need to work on multiple charts?!
+ */
+Chart.instances = {};
+
+var core_controller = Chart;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart instead.
+ * @class Chart.Controller
+ * @deprecated since version 2.6
+ * @todo remove at version 3
+ * @private
+ */
+Chart.Controller = Chart;
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart
+ * @deprecated since version 2.8
+ * @todo remove at version 3
+ * @private
+ */
+Chart.types = {};
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart.helpers.configMerge
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.configMerge = mergeConfig;
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart.helpers.scaleMerge
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.scaleMerge = mergeScaleConfig;
+
+var core_helpers = function() {
+
+	// -- Basic js utility methods
+
+	helpers$1.where = function(collection, filterCallback) {
+		if (helpers$1.isArray(collection) && Array.prototype.filter) {
+			return collection.filter(filterCallback);
+		}
+		var filtered = [];
+
+		helpers$1.each(collection, function(item) {
+			if (filterCallback(item)) {
+				filtered.push(item);
+			}
+		});
+
+		return filtered;
+	};
+	helpers$1.findIndex = Array.prototype.findIndex ?
+		function(array, callback, scope) {
+			return array.findIndex(callback, scope);
+		} :
+		function(array, callback, scope) {
+			scope = scope === undefined ? array : scope;
+			for (var i = 0, ilen = array.length; i < ilen; ++i) {
+				if (callback.call(scope, array[i], i, array)) {
+					return i;
+				}
+			}
+			return -1;
+		};
+	helpers$1.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {
+		// Default to start of the array
+		if (helpers$1.isNullOrUndef(startIndex)) {
+			startIndex = -1;
+		}
+		for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
+			var currentItem = arrayToSearch[i];
+			if (filterCallback(currentItem)) {
+				return currentItem;
+			}
+		}
+	};
+	helpers$1.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {
+		// Default to end of the array
+		if (helpers$1.isNullOrUndef(startIndex)) {
+			startIndex = arrayToSearch.length;
+		}
+		for (var i = startIndex - 1; i >= 0; i--) {
+			var currentItem = arrayToSearch[i];
+			if (filterCallback(currentItem)) {
+				return currentItem;
+			}
+		}
+	};
+
+	// -- Math methods
+	helpers$1.isNumber = function(n) {
+		return !isNaN(parseFloat(n)) && isFinite(n);
+	};
+	helpers$1.almostEquals = function(x, y, epsilon) {
+		return Math.abs(x - y) < epsilon;
+	};
+	helpers$1.almostWhole = function(x, epsilon) {
+		var rounded = Math.round(x);
+		return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x);
+	};
+	helpers$1.max = function(array) {
+		return array.reduce(function(max, value) {
+			if (!isNaN(value)) {
+				return Math.max(max, value);
+			}
+			return max;
+		}, Number.NEGATIVE_INFINITY);
+	};
+	helpers$1.min = function(array) {
+		return array.reduce(function(min, value) {
+			if (!isNaN(value)) {
+				return Math.min(min, value);
+			}
+			return min;
+		}, Number.POSITIVE_INFINITY);
+	};
+	helpers$1.sign = Math.sign ?
+		function(x) {
+			return Math.sign(x);
+		} :
+		function(x) {
+			x = +x; // convert to a number
+			if (x === 0 || isNaN(x)) {
+				return x;
+			}
+			return x > 0 ? 1 : -1;
+		};
+	helpers$1.toRadians = function(degrees) {
+		return degrees * (Math.PI / 180);
+	};
+	helpers$1.toDegrees = function(radians) {
+		return radians * (180 / Math.PI);
+	};
+
+	/**
+	 * Returns the number of decimal places
+	 * i.e. the number of digits after the decimal point, of the value of this Number.
+	 * @param {number} x - A number.
+	 * @returns {number} The number of decimal places.
+	 * @private
+	 */
+	helpers$1._decimalPlaces = function(x) {
+		if (!helpers$1.isFinite(x)) {
+			return;
+		}
+		var e = 1;
+		var p = 0;
+		while (Math.round(x * e) / e !== x) {
+			e *= 10;
+			p++;
+		}
+		return p;
+	};
+
+	// Gets the angle from vertical upright to the point about a centre.
+	helpers$1.getAngleFromPoint = function(centrePoint, anglePoint) {
+		var distanceFromXCenter = anglePoint.x - centrePoint.x;
+		var distanceFromYCenter = anglePoint.y - centrePoint.y;
+		var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
+
+		var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
+
+		if (angle < (-0.5 * Math.PI)) {
+			angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
+		}
+
+		return {
+			angle: angle,
+			distance: radialDistanceFromCenter
+		};
+	};
+	helpers$1.distanceBetweenPoints = function(pt1, pt2) {
+		return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));
+	};
+
+	/**
+	 * Provided for backward compatibility, not available anymore
+	 * @function Chart.helpers.aliasPixel
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 */
+	helpers$1.aliasPixel = function(pixelWidth) {
+		return (pixelWidth % 2 === 0) ? 0 : 0.5;
+	};
+
+	/**
+	 * Returns the aligned pixel value to avoid anti-aliasing blur
+	 * @param {Chart} chart - The chart instance.
+	 * @param {number} pixel - A pixel value.
+	 * @param {number} width - The width of the element.
+	 * @returns {number} The aligned pixel value.
+	 * @private
+	 */
+	helpers$1._alignPixel = function(chart, pixel, width) {
+		var devicePixelRatio = chart.currentDevicePixelRatio;
+		var halfWidth = width / 2;
+		return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth;
+	};
+
+	helpers$1.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {
+		// Props to Rob Spencer at scaled innovation for his post on splining between points
+		// http://scaledinnovation.com/analytics/splines/aboutSplines.html
+
+		// This function must also respect "skipped" points
+
+		var previous = firstPoint.skip ? middlePoint : firstPoint;
+		var current = middlePoint;
+		var next = afterPoint.skip ? middlePoint : afterPoint;
+
+		var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));
+		var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));
+
+		var s01 = d01 / (d01 + d12);
+		var s12 = d12 / (d01 + d12);
+
+		// If all points are the same, s01 & s02 will be inf
+		s01 = isNaN(s01) ? 0 : s01;
+		s12 = isNaN(s12) ? 0 : s12;
+
+		var fa = t * s01; // scaling factor for triangle Ta
+		var fb = t * s12;
+
+		return {
+			previous: {
+				x: current.x - fa * (next.x - previous.x),
+				y: current.y - fa * (next.y - previous.y)
+			},
+			next: {
+				x: current.x + fb * (next.x - previous.x),
+				y: current.y + fb * (next.y - previous.y)
+			}
+		};
+	};
+	helpers$1.EPSILON = Number.EPSILON || 1e-14;
+	helpers$1.splineCurveMonotone = function(points) {
+		// This function calculates Bézier control points in a similar way than |splineCurve|,
+		// but preserves monotonicity of the provided data and ensures no local extremums are added
+		// between the dataset discrete points due to the interpolation.
+		// See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation
+
+		var pointsWithTangents = (points || []).map(function(point) {
+			return {
+				model: point._model,
+				deltaK: 0,
+				mK: 0
+			};
+		});
+
+		// Calculate slopes (deltaK) and initialize tangents (mK)
+		var pointsLen = pointsWithTangents.length;
+		var i, pointBefore, pointCurrent, pointAfter;
+		for (i = 0; i < pointsLen; ++i) {
+			pointCurrent = pointsWithTangents[i];
+			if (pointCurrent.model.skip) {
+				continue;
+			}
+
+			pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;
+			pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;
+			if (pointAfter && !pointAfter.model.skip) {
+				var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);
+
+				// In the case of two points that appear at the same x pixel, slopeDeltaX is 0
+				pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;
+			}
+
+			if (!pointBefore || pointBefore.model.skip) {
+				pointCurrent.mK = pointCurrent.deltaK;
+			} else if (!pointAfter || pointAfter.model.skip) {
+				pointCurrent.mK = pointBefore.deltaK;
+			} else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {
+				pointCurrent.mK = 0;
+			} else {
+				pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;
+			}
+		}
+
+		// Adjust tangents to ensure monotonic properties
+		var alphaK, betaK, tauK, squaredMagnitude;
+		for (i = 0; i < pointsLen - 1; ++i) {
+			pointCurrent = pointsWithTangents[i];
+			pointAfter = pointsWithTangents[i + 1];
+			if (pointCurrent.model.skip || pointAfter.model.skip) {
+				continue;
+			}
+
+			if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {
+				pointCurrent.mK = pointAfter.mK = 0;
+				continue;
+			}
+
+			alphaK = pointCurrent.mK / pointCurrent.deltaK;
+			betaK = pointAfter.mK / pointCurrent.deltaK;
+			squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);
+			if (squaredMagnitude <= 9) {
+				continue;
+			}
+
+			tauK = 3 / Math.sqrt(squaredMagnitude);
+			pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;
+			pointAfter.mK = betaK * tauK * pointCurrent.deltaK;
+		}
+
+		// Compute control points
+		var deltaX;
+		for (i = 0; i < pointsLen; ++i) {
+			pointCurrent = pointsWithTangents[i];
+			if (pointCurrent.model.skip) {
+				continue;
+			}
+
+			pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;
+			pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;
+			if (pointBefore && !pointBefore.model.skip) {
+				deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;
+				pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;
+				pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;
+			}
+			if (pointAfter && !pointAfter.model.skip) {
+				deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;
+				pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;
+				pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;
+			}
+		}
+	};
+	helpers$1.nextItem = function(collection, index, loop) {
+		if (loop) {
+			return index >= collection.length - 1 ? collection[0] : collection[index + 1];
+		}
+		return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];
+	};
+	helpers$1.previousItem = function(collection, index, loop) {
+		if (loop) {
+			return index <= 0 ? collection[collection.length - 1] : collection[index - 1];
+		}
+		return index <= 0 ? collection[0] : collection[index - 1];
+	};
+	// Implementation of the nice number algorithm used in determining where axis labels will go
+	helpers$1.niceNum = function(range, round) {
+		var exponent = Math.floor(helpers$1.log10(range));
+		var fraction = range / Math.pow(10, exponent);
+		var niceFraction;
+
+		if (round) {
+			if (fraction < 1.5) {
+				niceFraction = 1;
+			} else if (fraction < 3) {
+				niceFraction = 2;
+			} else if (fraction < 7) {
+				niceFraction = 5;
+			} else {
+				niceFraction = 10;
+			}
+		} else if (fraction <= 1.0) {
+			niceFraction = 1;
+		} else if (fraction <= 2) {
+			niceFraction = 2;
+		} else if (fraction <= 5) {
+			niceFraction = 5;
+		} else {
+			niceFraction = 10;
+		}
+
+		return niceFraction * Math.pow(10, exponent);
+	};
+	// Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
+	helpers$1.requestAnimFrame = (function() {
+		if (typeof window === 'undefined') {
+			return function(callback) {
+				callback();
+			};
+		}
+		return window.requestAnimationFrame ||
+			window.webkitRequestAnimationFrame ||
+			window.mozRequestAnimationFrame ||
+			window.oRequestAnimationFrame ||
+			window.msRequestAnimationFrame ||
+			function(callback) {
+				return window.setTimeout(callback, 1000 / 60);
+			};
+	}());
+	// -- DOM methods
+	helpers$1.getRelativePosition = function(evt, chart) {
+		var mouseX, mouseY;
+		var e = evt.originalEvent || evt;
+		var canvas = evt.target || evt.srcElement;
+		var boundingRect = canvas.getBoundingClientRect();
+
+		var touches = e.touches;
+		if (touches && touches.length > 0) {
+			mouseX = touches[0].clientX;
+			mouseY = touches[0].clientY;
+
+		} else {
+			mouseX = e.clientX;
+			mouseY = e.clientY;
+		}
+
+		// Scale mouse coordinates into canvas coordinates
+		// by following the pattern laid out by 'jerryj' in the comments of
+		// https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/
+		var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left'));
+		var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top'));
+		var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right'));
+		var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom'));
+		var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;
+		var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;
+
+		// We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However
+		// the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here
+		mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);
+		mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);
+
+		return {
+			x: mouseX,
+			y: mouseY
+		};
+
+	};
+
+	// Private helper function to convert max-width/max-height values that may be percentages into a number
+	function parseMaxStyle(styleValue, node, parentProperty) {
+		var valueInPixels;
+		if (typeof styleValue === 'string') {
+			valueInPixels = parseInt(styleValue, 10);
+
+			if (styleValue.indexOf('%') !== -1) {
+				// percentage * size in dimension
+				valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];
+			}
+		} else {
+			valueInPixels = styleValue;
+		}
+
+		return valueInPixels;
+	}
+
+	/**
+	 * Returns if the given value contains an effective constraint.
+	 * @private
+	 */
+	function isConstrainedValue(value) {
+		return value !== undefined && value !== null && value !== 'none';
+	}
+
+	/**
+	 * Returns the max width or height of the given DOM node in a cross-browser compatible fashion
+	 * @param {HTMLElement} domNode - the node to check the constraint on
+	 * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height')
+	 * @param {string} percentageProperty - property of parent to use when calculating width as a percentage
+	 * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser}
+	 */
+	function getConstraintDimension(domNode, maxStyle, percentageProperty) {
+		var view = document.defaultView;
+		var parentNode = helpers$1._getParentNode(domNode);
+		var constrainedNode = view.getComputedStyle(domNode)[maxStyle];
+		var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];
+		var hasCNode = isConstrainedValue(constrainedNode);
+		var hasCContainer = isConstrainedValue(constrainedContainer);
+		var infinity = Number.POSITIVE_INFINITY;
+
+		if (hasCNode || hasCContainer) {
+			return Math.min(
+				hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,
+				hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);
+		}
+
+		return 'none';
+	}
+	// returns Number or undefined if no constraint
+	helpers$1.getConstraintWidth = function(domNode) {
+		return getConstraintDimension(domNode, 'max-width', 'clientWidth');
+	};
+	// returns Number or undefined if no constraint
+	helpers$1.getConstraintHeight = function(domNode) {
+		return getConstraintDimension(domNode, 'max-height', 'clientHeight');
+	};
+	/**
+	 * @private
+ 	 */
+	helpers$1._calculatePadding = function(container, padding, parentDimension) {
+		padding = helpers$1.getStyle(container, padding);
+
+		return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10);
+	};
+	/**
+	 * @private
+	 */
+	helpers$1._getParentNode = function(domNode) {
+		var parent = domNode.parentNode;
+		if (parent && parent.toString() === '[object ShadowRoot]') {
+			parent = parent.host;
+		}
+		return parent;
+	};
+	helpers$1.getMaximumWidth = function(domNode) {
+		var container = helpers$1._getParentNode(domNode);
+		if (!container) {
+			return domNode.clientWidth;
+		}
+
+		var clientWidth = container.clientWidth;
+		var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth);
+		var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth);
+
+		var w = clientWidth - paddingLeft - paddingRight;
+		var cw = helpers$1.getConstraintWidth(domNode);
+		return isNaN(cw) ? w : Math.min(w, cw);
+	};
+	helpers$1.getMaximumHeight = function(domNode) {
+		var container = helpers$1._getParentNode(domNode);
+		if (!container) {
+			return domNode.clientHeight;
+		}
+
+		var clientHeight = container.clientHeight;
+		var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight);
+		var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight);
+
+		var h = clientHeight - paddingTop - paddingBottom;
+		var ch = helpers$1.getConstraintHeight(domNode);
+		return isNaN(ch) ? h : Math.min(h, ch);
+	};
+	helpers$1.getStyle = function(el, property) {
+		return el.currentStyle ?
+			el.currentStyle[property] :
+			document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
+	};
+	helpers$1.retinaScale = function(chart, forceRatio) {
+		var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1;
+		if (pixelRatio === 1) {
+			return;
+		}
+
+		var canvas = chart.canvas;
+		var height = chart.height;
+		var width = chart.width;
+
+		canvas.height = height * pixelRatio;
+		canvas.width = width * pixelRatio;
+		chart.ctx.scale(pixelRatio, pixelRatio);
+
+		// If no style has been set on the canvas, the render size is used as display size,
+		// making the chart visually bigger, so let's enforce it to the "correct" values.
+		// See https://github.com/chartjs/Chart.js/issues/3575
+		if (!canvas.style.height && !canvas.style.width) {
+			canvas.style.height = height + 'px';
+			canvas.style.width = width + 'px';
+		}
+	};
+	// -- Canvas methods
+	helpers$1.fontString = function(pixelSize, fontStyle, fontFamily) {
+		return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;
+	};
+	helpers$1.longestText = function(ctx, font, arrayOfThings, cache) {
+		cache = cache || {};
+		var data = cache.data = cache.data || {};
+		var gc = cache.garbageCollect = cache.garbageCollect || [];
+
+		if (cache.font !== font) {
+			data = cache.data = {};
+			gc = cache.garbageCollect = [];
+			cache.font = font;
+		}
+
+		ctx.font = font;
+		var longest = 0;
+		var ilen = arrayOfThings.length;
+		var i, j, jlen, thing, nestedThing;
+		for (i = 0; i < ilen; i++) {
+			thing = arrayOfThings[i];
+
+			// Undefined strings and arrays should not be measured
+			if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) {
+				longest = helpers$1.measureText(ctx, data, gc, longest, thing);
+			} else if (helpers$1.isArray(thing)) {
+				// if it is an array lets measure each element
+				// to do maybe simplify this function a bit so we can do this more recursively?
+				for (j = 0, jlen = thing.length; j < jlen; j++) {
+					nestedThing = thing[j];
+					// Undefined strings and arrays should not be measured
+					if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) {
+						longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing);
+					}
+				}
+			}
+		}
+
+		var gcLen = gc.length / 2;
+		if (gcLen > arrayOfThings.length) {
+			for (i = 0; i < gcLen; i++) {
+				delete data[gc[i]];
+			}
+			gc.splice(0, gcLen);
+		}
+		return longest;
+	};
+	helpers$1.measureText = function(ctx, data, gc, longest, string) {
+		var textWidth = data[string];
+		if (!textWidth) {
+			textWidth = data[string] = ctx.measureText(string).width;
+			gc.push(string);
+		}
+		if (textWidth > longest) {
+			longest = textWidth;
+		}
+		return longest;
+	};
+
+	/**
+	 * @deprecated
+	 */
+	helpers$1.numberOfLabelLines = function(arrayOfThings) {
+		var numberOfLines = 1;
+		helpers$1.each(arrayOfThings, function(thing) {
+			if (helpers$1.isArray(thing)) {
+				if (thing.length > numberOfLines) {
+					numberOfLines = thing.length;
+				}
+			}
+		});
+		return numberOfLines;
+	};
+
+	helpers$1.color = !chartjsColor ?
+		function(value) {
+			console.error('Color.js not found!');
+			return value;
+		} :
+		function(value) {
+			/* global CanvasGradient */
+			if (value instanceof CanvasGradient) {
+				value = core_defaults.global.defaultColor;
+			}
+
+			return chartjsColor(value);
+		};
+
+	helpers$1.getHoverColor = function(colorValue) {
+		/* global CanvasPattern */
+		return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ?
+			colorValue :
+			helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString();
+	};
+};
+
+function abstract() {
+	throw new Error(
+		'This method is not implemented: either no adapter can ' +
+		'be found or an incomplete integration was provided.'
+	);
+}
+
+/**
+ * Date adapter (current used by the time scale)
+ * @namespace Chart._adapters._date
+ * @memberof Chart._adapters
+ * @private
+ */
+
+/**
+ * Currently supported unit string values.
+ * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')}
+ * @memberof Chart._adapters._date
+ * @name Unit
+ */
+
+/**
+ * @class
+ */
+function DateAdapter(options) {
+	this.options = options || {};
+}
+
+helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ {
+	/**
+	 * Returns a map of time formats for the supported formatting units defined
+	 * in Unit as well as 'datetime' representing a detailed date/time string.
+	 * @returns {{string: string}}
+	 */
+	formats: abstract,
+
+	/**
+	 * Parses the given `value` and return the associated timestamp.
+	 * @param {any} value - the value to parse (usually comes from the data)
+	 * @param {string} [format] - the expected data format
+	 * @returns {(number|null)}
+	 * @function
+	 */
+	parse: abstract,
+
+	/**
+	 * Returns the formatted date in the specified `format` for a given `timestamp`.
+	 * @param {number} timestamp - the timestamp to format
+	 * @param {string} format - the date/time token
+	 * @return {string}
+	 * @function
+	 */
+	format: abstract,
+
+	/**
+	 * Adds the specified `amount` of `unit` to the given `timestamp`.
+	 * @param {number} timestamp - the input timestamp
+	 * @param {number} amount - the amount to add
+	 * @param {Unit} unit - the unit as string
+	 * @return {number}
+	 * @function
+	 */
+	add: abstract,
+
+	/**
+	 * Returns the number of `unit` between the given timestamps.
+	 * @param {number} max - the input timestamp (reference)
+	 * @param {number} min - the timestamp to substract
+	 * @param {Unit} unit - the unit as string
+	 * @return {number}
+	 * @function
+	 */
+	diff: abstract,
+
+	/**
+	 * Returns start of `unit` for the given `timestamp`.
+	 * @param {number} timestamp - the input timestamp
+	 * @param {Unit} unit - the unit as string
+	 * @param {number} [weekday] - the ISO day of the week with 1 being Monday
+	 * and 7 being Sunday (only needed if param *unit* is `isoWeek`).
+	 * @function
+	 */
+	startOf: abstract,
+
+	/**
+	 * Returns end of `unit` for the given `timestamp`.
+	 * @param {number} timestamp - the input timestamp
+	 * @param {Unit} unit - the unit as string
+	 * @function
+	 */
+	endOf: abstract,
+
+	// DEPRECATIONS
+
+	/**
+	 * Provided for backward compatibility for scale.getValueForPixel(),
+	 * this method should be overridden only by the moment adapter.
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 * @private
+	 */
+	_create: function(value) {
+		return value;
+	}
+});
+
+DateAdapter.override = function(members) {
+	helpers$1.extend(DateAdapter.prototype, members);
+};
+
+var _date = DateAdapter;
+
+var core_adapters = {
+	_date: _date
+};
+
+/**
+ * Namespace to hold static tick generation functions
+ * @namespace Chart.Ticks
+ */
+var core_ticks = {
+	/**
+	 * Namespace to hold formatters for different types of ticks
+	 * @namespace Chart.Ticks.formatters
+	 */
+	formatters: {
+		/**
+		 * Formatter for value labels
+		 * @method Chart.Ticks.formatters.values
+		 * @param value the value to display
+		 * @return {string|string[]} the label to display
+		 */
+		values: function(value) {
+			return helpers$1.isArray(value) ? value : '' + value;
+		},
+
+		/**
+		 * Formatter for linear numeric ticks
+		 * @method Chart.Ticks.formatters.linear
+		 * @param tickValue {number} the value to be formatted
+		 * @param index {number} the position of the tickValue parameter in the ticks array
+		 * @param ticks {number[]} the list of ticks being converted
+		 * @return {string} string representation of the tickValue parameter
+		 */
+		linear: function(tickValue, index, ticks) {
+			// If we have lots of ticks, don't use the ones
+			var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];
+
+			// If we have a number like 2.5 as the delta, figure out how many decimal places we need
+			if (Math.abs(delta) > 1) {
+				if (tickValue !== Math.floor(tickValue)) {
+					// not an integer
+					delta = tickValue - Math.floor(tickValue);
+				}
+			}
+
+			var logDelta = helpers$1.log10(Math.abs(delta));
+			var tickString = '';
+
+			if (tickValue !== 0) {
+				var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1]));
+				if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation
+					var logTick = helpers$1.log10(Math.abs(tickValue));
+					var numExponential = Math.floor(logTick) - Math.floor(logDelta);
+					numExponential = Math.max(Math.min(numExponential, 20), 0);
+					tickString = tickValue.toExponential(numExponential);
+				} else {
+					var numDecimal = -1 * Math.floor(logDelta);
+					numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places
+					tickString = tickValue.toFixed(numDecimal);
+				}
+			} else {
+				tickString = '0'; // never show decimal places for 0
+			}
+
+			return tickString;
+		},
+
+		logarithmic: function(tickValue, index, ticks) {
+			var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue))));
+
+			if (tickValue === 0) {
+				return '0';
+			} else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {
+				return tickValue.toExponential();
+			}
+			return '';
+		}
+	}
+};
+
+var isArray = helpers$1.isArray;
+var isNullOrUndef = helpers$1.isNullOrUndef;
+var valueOrDefault$a = helpers$1.valueOrDefault;
+var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault;
+
+core_defaults._set('scale', {
+	display: true,
+	position: 'left',
+	offset: false,
+
+	// grid line settings
+	gridLines: {
+		display: true,
+		color: 'rgba(0,0,0,0.1)',
+		lineWidth: 1,
+		drawBorder: true,
+		drawOnChartArea: true,
+		drawTicks: true,
+		tickMarkLength: 10,
+		zeroLineWidth: 1,
+		zeroLineColor: 'rgba(0,0,0,0.25)',
+		zeroLineBorderDash: [],
+		zeroLineBorderDashOffset: 0.0,
+		offsetGridLines: false,
+		borderDash: [],
+		borderDashOffset: 0.0
+	},
+
+	// scale label
+	scaleLabel: {
+		// display property
+		display: false,
+
+		// actual label
+		labelString: '',
+
+		// top/bottom padding
+		padding: {
+			top: 4,
+			bottom: 4
+		}
+	},
+
+	// label settings
+	ticks: {
+		beginAtZero: false,
+		minRotation: 0,
+		maxRotation: 50,
+		mirror: false,
+		padding: 0,
+		reverse: false,
+		display: true,
+		autoSkip: true,
+		autoSkipPadding: 0,
+		labelOffset: 0,
+		// We pass through arrays to be rendered as multiline labels, we convert Others to strings here.
+		callback: core_ticks.formatters.values,
+		minor: {},
+		major: {}
+	}
+});
+
+/** Returns a new array containing numItems from arr */
+function sample(arr, numItems) {
+	var result = [];
+	var increment = arr.length / numItems;
+	var i = 0;
+	var len = arr.length;
+
+	for (; i < len; i += increment) {
+		result.push(arr[Math.floor(i)]);
+	}
+	return result;
+}
+
+function getPixelForGridLine(scale, index, offsetGridLines) {
+	var length = scale.getTicks().length;
+	var validIndex = Math.min(index, length - 1);
+	var lineValue = scale.getPixelForTick(validIndex);
+	var start = scale._startPixel;
+	var end = scale._endPixel;
+	var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.
+	var offset;
+
+	if (offsetGridLines) {
+		if (length === 1) {
+			offset = Math.max(lineValue - start, end - lineValue);
+		} else if (index === 0) {
+			offset = (scale.getPixelForTick(1) - lineValue) / 2;
+		} else {
+			offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2;
+		}
+		lineValue += validIndex < index ? offset : -offset;
+
+		// Return undefined if the pixel is out of the range
+		if (lineValue < start - epsilon || lineValue > end + epsilon) {
+			return;
+		}
+	}
+	return lineValue;
+}
+
+function garbageCollect(caches, length) {
+	helpers$1.each(caches, function(cache) {
+		var gc = cache.gc;
+		var gcLen = gc.length / 2;
+		var i;
+		if (gcLen > length) {
+			for (i = 0; i < gcLen; ++i) {
+				delete cache.data[gc[i]];
+			}
+			gc.splice(0, gcLen);
+		}
+	});
+}
+
+/**
+ * Returns {width, height, offset} objects for the first, last, widest, highest tick
+ * labels where offset indicates the anchor point offset from the top in pixels.
+ */
+function computeLabelSizes(ctx, tickFonts, ticks, caches) {
+	var length = ticks.length;
+	var widths = [];
+	var heights = [];
+	var offsets = [];
+	var widestLabelSize = 0;
+	var highestLabelSize = 0;
+	var i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel, widest, highest;
+
+	for (i = 0; i < length; ++i) {
+		label = ticks[i].label;
+		tickFont = ticks[i].major ? tickFonts.major : tickFonts.minor;
+		ctx.font = fontString = tickFont.string;
+		cache = caches[fontString] = caches[fontString] || {data: {}, gc: []};
+		lineHeight = tickFont.lineHeight;
+		width = height = 0;
+		// Undefined labels and arrays should not be measured
+		if (!isNullOrUndef(label) && !isArray(label)) {
+			width = helpers$1.measureText(ctx, cache.data, cache.gc, width, label);
+			height = lineHeight;
+		} else if (isArray(label)) {
+			// if it is an array let's measure each element
+			for (j = 0, jlen = label.length; j < jlen; ++j) {
+				nestedLabel = label[j];
+				// Undefined labels and arrays should not be measured
+				if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {
+					width = helpers$1.measureText(ctx, cache.data, cache.gc, width, nestedLabel);
+					height += lineHeight;
+				}
+			}
+		}
+		widths.push(width);
+		heights.push(height);
+		offsets.push(lineHeight / 2);
+		widestLabelSize = Math.max(width, widestLabelSize);
+		highestLabelSize = Math.max(height, highestLabelSize);
+	}
+	garbageCollect(caches, length);
+
+	widest = widths.indexOf(widestLabelSize);
+	highest = heights.indexOf(highestLabelSize);
+
+	function valueAt(idx) {
+		return {
+			width: widths[idx] || 0,
+			height: heights[idx] || 0,
+			offset: offsets[idx] || 0
+		};
+	}
+
+	return {
+		first: valueAt(0),
+		last: valueAt(length - 1),
+		widest: valueAt(widest),
+		highest: valueAt(highest)
+	};
+}
+
+function getTickMarkLength(options) {
+	return options.drawTicks ? options.tickMarkLength : 0;
+}
+
+function getScaleLabelHeight(options) {
+	var font, padding;
+
+	if (!options.display) {
+		return 0;
+	}
+
+	font = helpers$1.options._parseFont(options);
+	padding = helpers$1.options.toPadding(options.padding);
+
+	return font.lineHeight + padding.height;
+}
+
+function parseFontOptions(options, nestedOpts) {
+	return helpers$1.extend(helpers$1.options._parseFont({
+		fontFamily: valueOrDefault$a(nestedOpts.fontFamily, options.fontFamily),
+		fontSize: valueOrDefault$a(nestedOpts.fontSize, options.fontSize),
+		fontStyle: valueOrDefault$a(nestedOpts.fontStyle, options.fontStyle),
+		lineHeight: valueOrDefault$a(nestedOpts.lineHeight, options.lineHeight)
+	}), {
+		color: helpers$1.options.resolve([nestedOpts.fontColor, options.fontColor, core_defaults.global.defaultFontColor])
+	});
+}
+
+function parseTickFontOptions(options) {
+	var minor = parseFontOptions(options, options.minor);
+	var major = options.major.enabled ? parseFontOptions(options, options.major) : minor;
+
+	return {minor: minor, major: major};
+}
+
+function nonSkipped(ticksToFilter) {
+	var filtered = [];
+	var item, index, len;
+	for (index = 0, len = ticksToFilter.length; index < len; ++index) {
+		item = ticksToFilter[index];
+		if (typeof item._index !== 'undefined') {
+			filtered.push(item);
+		}
+	}
+	return filtered;
+}
+
+function getEvenSpacing(arr) {
+	var len = arr.length;
+	var i, diff;
+
+	if (len < 2) {
+		return false;
+	}
+
+	for (diff = arr[0], i = 1; i < len; ++i) {
+		if (arr[i] - arr[i - 1] !== diff) {
+			return false;
+		}
+	}
+	return diff;
+}
+
+function calculateSpacing(majorIndices, ticks, axisLength, ticksLimit) {
+	var evenMajorSpacing = getEvenSpacing(majorIndices);
+	var spacing = (ticks.length - 1) / ticksLimit;
+	var factors, factor, i, ilen;
+
+	// If the major ticks are evenly spaced apart, place the minor ticks
+	// so that they divide the major ticks into even chunks
+	if (!evenMajorSpacing) {
+		return Math.max(spacing, 1);
+	}
+
+	factors = helpers$1.math._factorize(evenMajorSpacing);
+	for (i = 0, ilen = factors.length - 1; i < ilen; i++) {
+		factor = factors[i];
+		if (factor > spacing) {
+			return factor;
+		}
+	}
+	return Math.max(spacing, 1);
+}
+
+function getMajorIndices(ticks) {
+	var result = [];
+	var i, ilen;
+	for (i = 0, ilen = ticks.length; i < ilen; i++) {
+		if (ticks[i].major) {
+			result.push(i);
+		}
+	}
+	return result;
+}
+
+function skipMajors(ticks, majorIndices, spacing) {
+	var count = 0;
+	var next = majorIndices[0];
+	var i, tick;
+
+	spacing = Math.ceil(spacing);
+	for (i = 0; i < ticks.length; i++) {
+		tick = ticks[i];
+		if (i === next) {
+			tick._index = i;
+			count++;
+			next = majorIndices[count * spacing];
+		} else {
+			delete tick.label;
+		}
+	}
+}
+
+function skip(ticks, spacing, majorStart, majorEnd) {
+	var start = valueOrDefault$a(majorStart, 0);
+	var end = Math.min(valueOrDefault$a(majorEnd, ticks.length), ticks.length);
+	var count = 0;
+	var length, i, tick, next;
+
+	spacing = Math.ceil(spacing);
+	if (majorEnd) {
+		length = majorEnd - majorStart;
+		spacing = length / Math.floor(length / spacing);
+	}
+
+	next = start;
+
+	while (next < 0) {
+		count++;
+		next = Math.round(start + count * spacing);
+	}
+
+	for (i = Math.max(start, 0); i < end; i++) {
+		tick = ticks[i];
+		if (i === next) {
+			tick._index = i;
+			count++;
+			next = Math.round(start + count * spacing);
+		} else {
+			delete tick.label;
+		}
+	}
+}
+
+var Scale = core_element.extend({
+
+	zeroLineIndex: 0,
+
+	/**
+	 * Get the padding needed for the scale
+	 * @method getPadding
+	 * @private
+	 * @returns {Padding} the necessary padding
+	 */
+	getPadding: function() {
+		var me = this;
+		return {
+			left: me.paddingLeft || 0,
+			top: me.paddingTop || 0,
+			right: me.paddingRight || 0,
+			bottom: me.paddingBottom || 0
+		};
+	},
+
+	/**
+	 * Returns the scale tick objects ({label, major})
+	 * @since 2.7
+	 */
+	getTicks: function() {
+		return this._ticks;
+	},
+
+	/**
+	* @private
+	*/
+	_getLabels: function() {
+		var data = this.chart.data;
+		return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];
+	},
+
+	// These methods are ordered by lifecyle. Utilities then follow.
+	// Any function defined here is inherited by all scale types.
+	// Any function can be extended by the scale type
+
+	/**
+	 * Provided for backward compatibility, not available anymore
+	 * @function Chart.Scale.mergeTicksOptions
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 */
+	mergeTicksOptions: function() {
+		// noop
+	},
+
+	beforeUpdate: function() {
+		helpers$1.callback(this.options.beforeUpdate, [this]);
+	},
+
+	/**
+	 * @param {number} maxWidth - the max width in pixels
+	 * @param {number} maxHeight - the max height in pixels
+	 * @param {object} margins - the space between the edge of the other scales and edge of the chart
+	 *   This space comes from two sources:
+	 *     - padding - space that's required to show the labels at the edges of the scale
+	 *     - thickness of scales or legends in another orientation
+	 */
+	update: function(maxWidth, maxHeight, margins) {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var sampleSize = tickOpts.sampleSize;
+		var i, ilen, labels, ticks, samplingEnabled;
+
+		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
+		me.beforeUpdate();
+
+		// Absorb the master measurements
+		me.maxWidth = maxWidth;
+		me.maxHeight = maxHeight;
+		me.margins = helpers$1.extend({
+			left: 0,
+			right: 0,
+			top: 0,
+			bottom: 0
+		}, margins);
+
+		me._ticks = null;
+		me.ticks = null;
+		me._labelSizes = null;
+		me._maxLabelLines = 0;
+		me.longestLabelWidth = 0;
+		me.longestTextCache = me.longestTextCache || {};
+		me._gridLineItems = null;
+		me._labelItems = null;
+
+		// Dimensions
+		me.beforeSetDimensions();
+		me.setDimensions();
+		me.afterSetDimensions();
+
+		// Data min/max
+		me.beforeDataLimits();
+		me.determineDataLimits();
+		me.afterDataLimits();
+
+		// Ticks - `this.ticks` is now DEPRECATED!
+		// Internal ticks are now stored as objects in the PRIVATE `this._ticks` member
+		// and must not be accessed directly from outside this class. `this.ticks` being
+		// around for long time and not marked as private, we can't change its structure
+		// without unexpected breaking changes. If you need to access the scale ticks,
+		// use scale.getTicks() instead.
+
+		me.beforeBuildTicks();
+
+		// New implementations should return an array of objects but for BACKWARD COMPAT,
+		// we still support no return (`this.ticks` internally set by calling this method).
+		ticks = me.buildTicks() || [];
+
+		// Allow modification of ticks in callback.
+		ticks = me.afterBuildTicks(ticks) || ticks;
+
+		// Ensure ticks contains ticks in new tick format
+		if ((!ticks || !ticks.length) && me.ticks) {
+			ticks = [];
+			for (i = 0, ilen = me.ticks.length; i < ilen; ++i) {
+				ticks.push({
+					value: me.ticks[i],
+					major: false
+				});
+			}
+		}
+
+		me._ticks = ticks;
+
+		// Compute tick rotation and fit using a sampled subset of labels
+		// We generally don't need to compute the size of every single label for determining scale size
+		samplingEnabled = sampleSize < ticks.length;
+		labels = me._convertTicksToLabels(samplingEnabled ? sample(ticks, sampleSize) : ticks);
+
+		// _configure is called twice, once here, once from core.controller.updateLayout.
+		// Here we haven't been positioned yet, but dimensions are correct.
+		// Variables set in _configure are needed for calculateTickRotation, and
+		// it's ok that coordinates are not correct there, only dimensions matter.
+		me._configure();
+
+		// Tick Rotation
+		me.beforeCalculateTickRotation();
+		me.calculateTickRotation();
+		me.afterCalculateTickRotation();
+
+		me.beforeFit();
+		me.fit();
+		me.afterFit();
+
+		// Auto-skip
+		me._ticksToDraw = tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto') ? me._autoSkip(ticks) : ticks;
+
+		if (samplingEnabled) {
+			// Generate labels using all non-skipped ticks
+			labels = me._convertTicksToLabels(me._ticksToDraw);
+		}
+
+		me.ticks = labels;   // BACKWARD COMPATIBILITY
+
+		// IMPORTANT: after this point, we consider that `this.ticks` will NEVER change!
+
+		me.afterUpdate();
+
+		// TODO(v3): remove minSize as a public property and return value from all layout boxes. It is unused
+		// make maxWidth and maxHeight private
+		return me.minSize;
+	},
+
+	/**
+	 * @private
+	 */
+	_configure: function() {
+		var me = this;
+		var reversePixels = me.options.ticks.reverse;
+		var startPixel, endPixel;
+
+		if (me.isHorizontal()) {
+			startPixel = me.left;
+			endPixel = me.right;
+		} else {
+			startPixel = me.top;
+			endPixel = me.bottom;
+			// by default vertical scales are from bottom to top, so pixels are reversed
+			reversePixels = !reversePixels;
+		}
+		me._startPixel = startPixel;
+		me._endPixel = endPixel;
+		me._reversePixels = reversePixels;
+		me._length = endPixel - startPixel;
+	},
+
+	afterUpdate: function() {
+		helpers$1.callback(this.options.afterUpdate, [this]);
+	},
+
+	//
+
+	beforeSetDimensions: function() {
+		helpers$1.callback(this.options.beforeSetDimensions, [this]);
+	},
+	setDimensions: function() {
+		var me = this;
+		// Set the unconstrained dimension before label rotation
+		if (me.isHorizontal()) {
+			// Reset position before calculating rotation
+			me.width = me.maxWidth;
+			me.left = 0;
+			me.right = me.width;
+		} else {
+			me.height = me.maxHeight;
+
+			// Reset position before calculating rotation
+			me.top = 0;
+			me.bottom = me.height;
+		}
+
+		// Reset padding
+		me.paddingLeft = 0;
+		me.paddingTop = 0;
+		me.paddingRight = 0;
+		me.paddingBottom = 0;
+	},
+	afterSetDimensions: function() {
+		helpers$1.callback(this.options.afterSetDimensions, [this]);
+	},
+
+	// Data limits
+	beforeDataLimits: function() {
+		helpers$1.callback(this.options.beforeDataLimits, [this]);
+	},
+	determineDataLimits: helpers$1.noop,
+	afterDataLimits: function() {
+		helpers$1.callback(this.options.afterDataLimits, [this]);
+	},
+
+	//
+	beforeBuildTicks: function() {
+		helpers$1.callback(this.options.beforeBuildTicks, [this]);
+	},
+	buildTicks: helpers$1.noop,
+	afterBuildTicks: function(ticks) {
+		var me = this;
+		// ticks is empty for old axis implementations here
+		if (isArray(ticks) && ticks.length) {
+			return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]);
+		}
+		// Support old implementations (that modified `this.ticks` directly in buildTicks)
+		me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks;
+		return ticks;
+	},
+
+	beforeTickToLabelConversion: function() {
+		helpers$1.callback(this.options.beforeTickToLabelConversion, [this]);
+	},
+	convertTicksToLabels: function() {
+		var me = this;
+		// Convert ticks to strings
+		var tickOpts = me.options.ticks;
+		me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);
+	},
+	afterTickToLabelConversion: function() {
+		helpers$1.callback(this.options.afterTickToLabelConversion, [this]);
+	},
+
+	//
+
+	beforeCalculateTickRotation: function() {
+		helpers$1.callback(this.options.beforeCalculateTickRotation, [this]);
+	},
+	calculateTickRotation: function() {
+		var me = this;
+		var options = me.options;
+		var tickOpts = options.ticks;
+		var numTicks = me.getTicks().length;
+		var minRotation = tickOpts.minRotation || 0;
+		var maxRotation = tickOpts.maxRotation;
+		var labelRotation = minRotation;
+		var labelSizes, maxLabelWidth, maxLabelHeight, maxWidth, tickWidth, maxHeight, maxLabelDiagonal;
+
+		if (!me._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !me.isHorizontal()) {
+			me.labelRotation = minRotation;
+			return;
+		}
+
+		labelSizes = me._getLabelSizes();
+		maxLabelWidth = labelSizes.widest.width;
+		maxLabelHeight = labelSizes.highest.height - labelSizes.highest.offset;
+
+		// Estimate the width of each grid based on the canvas width, the maximum
+		// label width and the number of tick intervals
+		maxWidth = Math.min(me.maxWidth, me.chart.width - maxLabelWidth);
+		tickWidth = options.offset ? me.maxWidth / numTicks : maxWidth / (numTicks - 1);
+
+		// Allow 3 pixels x2 padding either side for label readability
+		if (maxLabelWidth + 6 > tickWidth) {
+			tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));
+			maxHeight = me.maxHeight - getTickMarkLength(options.gridLines)
+				- tickOpts.padding - getScaleLabelHeight(options.scaleLabel);
+			maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);
+			labelRotation = helpers$1.toDegrees(Math.min(
+				Math.asin(Math.min((labelSizes.highest.height + 6) / tickWidth, 1)),
+				Math.asin(Math.min(maxHeight / maxLabelDiagonal, 1)) - Math.asin(maxLabelHeight / maxLabelDiagonal)
+			));
+			labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));
+		}
+
+		me.labelRotation = labelRotation;
+	},
+	afterCalculateTickRotation: function() {
+		helpers$1.callback(this.options.afterCalculateTickRotation, [this]);
+	},
+
+	//
+
+	beforeFit: function() {
+		helpers$1.callback(this.options.beforeFit, [this]);
+	},
+	fit: function() {
+		var me = this;
+		// Reset
+		var minSize = me.minSize = {
+			width: 0,
+			height: 0
+		};
+
+		var chart = me.chart;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+		var scaleLabelOpts = opts.scaleLabel;
+		var gridLineOpts = opts.gridLines;
+		var display = me._isVisible();
+		var isBottom = opts.position === 'bottom';
+		var isHorizontal = me.isHorizontal();
+
+		// Width
+		if (isHorizontal) {
+			minSize.width = me.maxWidth;
+		} else if (display) {
+			minSize.width = getTickMarkLength(gridLineOpts) + getScaleLabelHeight(scaleLabelOpts);
+		}
+
+		// height
+		if (!isHorizontal) {
+			minSize.height = me.maxHeight; // fill all the height
+		} else if (display) {
+			minSize.height = getTickMarkLength(gridLineOpts) + getScaleLabelHeight(scaleLabelOpts);
+		}
+
+		// Don't bother fitting the ticks if we are not showing the labels
+		if (tickOpts.display && display) {
+			var tickFonts = parseTickFontOptions(tickOpts);
+			var labelSizes = me._getLabelSizes();
+			var firstLabelSize = labelSizes.first;
+			var lastLabelSize = labelSizes.last;
+			var widestLabelSize = labelSizes.widest;
+			var highestLabelSize = labelSizes.highest;
+			var lineSpace = tickFonts.minor.lineHeight * 0.4;
+			var tickPadding = tickOpts.padding;
+
+			if (isHorizontal) {
+				// A horizontal axis is more constrained by the height.
+				var isRotated = me.labelRotation !== 0;
+				var angleRadians = helpers$1.toRadians(me.labelRotation);
+				var cosRotation = Math.cos(angleRadians);
+				var sinRotation = Math.sin(angleRadians);
+
+				var labelHeight = sinRotation * widestLabelSize.width
+					+ cosRotation * (highestLabelSize.height - (isRotated ? highestLabelSize.offset : 0))
+					+ (isRotated ? 0 : lineSpace); // padding
+
+				minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);
+
+				var offsetLeft = me.getPixelForTick(0) - me.left;
+				var offsetRight = me.right - me.getPixelForTick(me.getTicks().length - 1);
+				var paddingLeft, paddingRight;
+
+				// Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned
+				// which means that the right padding is dominated by the font height
+				if (isRotated) {
+					paddingLeft = isBottom ?
+						cosRotation * firstLabelSize.width + sinRotation * firstLabelSize.offset :
+						sinRotation * (firstLabelSize.height - firstLabelSize.offset);
+					paddingRight = isBottom ?
+						sinRotation * (lastLabelSize.height - lastLabelSize.offset) :
+						cosRotation * lastLabelSize.width + sinRotation * lastLabelSize.offset;
+				} else {
+					paddingLeft = firstLabelSize.width / 2;
+					paddingRight = lastLabelSize.width / 2;
+				}
+
+				// Adjust padding taking into account changes in offsets
+				// and add 3 px to move away from canvas edges
+				me.paddingLeft = Math.max((paddingLeft - offsetLeft) * me.width / (me.width - offsetLeft), 0) + 3;
+				me.paddingRight = Math.max((paddingRight - offsetRight) * me.width / (me.width - offsetRight), 0) + 3;
+			} else {
+				// A vertical axis is more constrained by the width. Labels are the
+				// dominant factor here, so get that length first and account for padding
+				var labelWidth = tickOpts.mirror ? 0 :
+					// use lineSpace for consistency with horizontal axis
+					// tickPadding is not implemented for horizontal
+					widestLabelSize.width + tickPadding + lineSpace;
+
+				minSize.width = Math.min(me.maxWidth, minSize.width + labelWidth);
+
+				me.paddingTop = firstLabelSize.height / 2;
+				me.paddingBottom = lastLabelSize.height / 2;
+			}
+		}
+
+		me.handleMargins();
+
+		if (isHorizontal) {
+			me.width = me._length = chart.width - me.margins.left - me.margins.right;
+			me.height = minSize.height;
+		} else {
+			me.width = minSize.width;
+			me.height = me._length = chart.height - me.margins.top - me.margins.bottom;
+		}
+	},
+
+	/**
+	 * Handle margins and padding interactions
+	 * @private
+	 */
+	handleMargins: function() {
+		var me = this;
+		if (me.margins) {
+			me.margins.left = Math.max(me.paddingLeft, me.margins.left);
+			me.margins.top = Math.max(me.paddingTop, me.margins.top);
+			me.margins.right = Math.max(me.paddingRight, me.margins.right);
+			me.margins.bottom = Math.max(me.paddingBottom, me.margins.bottom);
+		}
+	},
+
+	afterFit: function() {
+		helpers$1.callback(this.options.afterFit, [this]);
+	},
+
+	// Shared Methods
+	isHorizontal: function() {
+		var pos = this.options.position;
+		return pos === 'top' || pos === 'bottom';
+	},
+	isFullWidth: function() {
+		return this.options.fullWidth;
+	},
+
+	// Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not
+	getRightValue: function(rawValue) {
+		// Null and undefined values first
+		if (isNullOrUndef(rawValue)) {
+			return NaN;
+		}
+		// isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values
+		if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) {
+			return NaN;
+		}
+
+		// If it is in fact an object, dive in one more level
+		if (rawValue) {
+			if (this.isHorizontal()) {
+				if (rawValue.x !== undefined) {
+					return this.getRightValue(rawValue.x);
+				}
+			} else if (rawValue.y !== undefined) {
+				return this.getRightValue(rawValue.y);
+			}
+		}
+
+		// Value is good, return it
+		return rawValue;
+	},
+
+	_convertTicksToLabels: function(ticks) {
+		var me = this;
+		var labels, i, ilen;
+
+		me.ticks = ticks.map(function(tick) {
+			return tick.value;
+		});
+
+		me.beforeTickToLabelConversion();
+
+		// New implementations should return the formatted tick labels but for BACKWARD
+		// COMPAT, we still support no return (`this.ticks` internally changed by calling
+		// this method and supposed to contain only string values).
+		labels = me.convertTicksToLabels(ticks) || me.ticks;
+
+		me.afterTickToLabelConversion();
+
+		// BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)
+		for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+			ticks[i].label = labels[i];
+		}
+
+		return labels;
+	},
+
+	/**
+	 * @private
+	 */
+	_getLabelSizes: function() {
+		var me = this;
+		var labelSizes = me._labelSizes;
+
+		if (!labelSizes) {
+			me._labelSizes = labelSizes = computeLabelSizes(me.ctx, parseTickFontOptions(me.options.ticks), me.getTicks(), me.longestTextCache);
+			me.longestLabelWidth = labelSizes.widest.width;
+		}
+
+		return labelSizes;
+	},
+
+	/**
+	 * @private
+	 */
+	_parseValue: function(value) {
+		var start, end, min, max;
+
+		if (isArray(value)) {
+			start = +this.getRightValue(value[0]);
+			end = +this.getRightValue(value[1]);
+			min = Math.min(start, end);
+			max = Math.max(start, end);
+		} else {
+			value = +this.getRightValue(value);
+			start = undefined;
+			end = value;
+			min = value;
+			max = value;
+		}
+
+		return {
+			min: min,
+			max: max,
+			start: start,
+			end: end
+		};
+	},
+
+	/**
+	* @private
+	*/
+	_getScaleLabel: function(rawValue) {
+		var v = this._parseValue(rawValue);
+		if (v.start !== undefined) {
+			return '[' + v.start + ', ' + v.end + ']';
+		}
+
+		return +this.getRightValue(rawValue);
+	},
+
+	/**
+	 * Used to get the value to display in the tooltip for the data at the given index
+	 * @param index
+	 * @param datasetIndex
+	 */
+	getLabelForIndex: helpers$1.noop,
+
+	/**
+	 * Returns the location of the given data point. Value can either be an index or a numerical value
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 * @param value
+	 * @param index
+	 * @param datasetIndex
+	 */
+	getPixelForValue: helpers$1.noop,
+
+	/**
+	 * Used to get the data value from a given pixel. This is the inverse of getPixelForValue
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 * @param pixel
+	 */
+	getValueForPixel: helpers$1.noop,
+
+	/**
+	 * Returns the location of the tick at the given index
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 */
+	getPixelForTick: function(index) {
+		var me = this;
+		var offset = me.options.offset;
+		var numTicks = me._ticks.length;
+		var tickWidth = 1 / Math.max(numTicks - (offset ? 0 : 1), 1);
+
+		return index < 0 || index > numTicks - 1
+			? null
+			: me.getPixelForDecimal(index * tickWidth + (offset ? tickWidth / 2 : 0));
+	},
+
+	/**
+	 * Utility for getting the pixel location of a percentage of scale
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 */
+	getPixelForDecimal: function(decimal) {
+		var me = this;
+
+		if (me._reversePixels) {
+			decimal = 1 - decimal;
+		}
+
+		return me._startPixel + decimal * me._length;
+	},
+
+	getDecimalForPixel: function(pixel) {
+		var decimal = (pixel - this._startPixel) / this._length;
+		return this._reversePixels ? 1 - decimal : decimal;
+	},
+
+	/**
+	 * Returns the pixel for the minimum chart value
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 */
+	getBasePixel: function() {
+		return this.getPixelForValue(this.getBaseValue());
+	},
+
+	getBaseValue: function() {
+		var me = this;
+		var min = me.min;
+		var max = me.max;
+
+		return me.beginAtZero ? 0 :
+			min < 0 && max < 0 ? max :
+			min > 0 && max > 0 ? min :
+			0;
+	},
+
+	/**
+	 * Returns a subset of ticks to be plotted to avoid overlapping labels.
+	 * @private
+	 */
+	_autoSkip: function(ticks) {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var axisLength = me._length;
+		var ticksLimit = tickOpts.maxTicksLimit || axisLength / me._tickSize() + 1;
+		var majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];
+		var numMajorIndices = majorIndices.length;
+		var first = majorIndices[0];
+		var last = majorIndices[numMajorIndices - 1];
+		var i, ilen, spacing, avgMajorSpacing;
+
+		// If there are too many major ticks to display them all
+		if (numMajorIndices > ticksLimit) {
+			skipMajors(ticks, majorIndices, numMajorIndices / ticksLimit);
+			return nonSkipped(ticks);
+		}
+
+		spacing = calculateSpacing(majorIndices, ticks, axisLength, ticksLimit);
+
+		if (numMajorIndices > 0) {
+			for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {
+				skip(ticks, spacing, majorIndices[i], majorIndices[i + 1]);
+			}
+			avgMajorSpacing = numMajorIndices > 1 ? (last - first) / (numMajorIndices - 1) : null;
+			skip(ticks, spacing, helpers$1.isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);
+			skip(ticks, spacing, last, helpers$1.isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);
+			return nonSkipped(ticks);
+		}
+		skip(ticks, spacing);
+		return nonSkipped(ticks);
+	},
+
+	/**
+	 * @private
+	 */
+	_tickSize: function() {
+		var me = this;
+		var optionTicks = me.options.ticks;
+
+		// Calculate space needed by label in axis direction.
+		var rot = helpers$1.toRadians(me.labelRotation);
+		var cos = Math.abs(Math.cos(rot));
+		var sin = Math.abs(Math.sin(rot));
+
+		var labelSizes = me._getLabelSizes();
+		var padding = optionTicks.autoSkipPadding || 0;
+		var w = labelSizes ? labelSizes.widest.width + padding : 0;
+		var h = labelSizes ? labelSizes.highest.height + padding : 0;
+
+		// Calculate space needed for 1 tick in axis direction.
+		return me.isHorizontal()
+			? h * cos > w * sin ? w / cos : h / sin
+			: h * sin < w * cos ? h / cos : w / sin;
+	},
+
+	/**
+	 * @private
+	 */
+	_isVisible: function() {
+		var me = this;
+		var chart = me.chart;
+		var display = me.options.display;
+		var i, ilen, meta;
+
+		if (display !== 'auto') {
+			return !!display;
+		}
+
+		// When 'auto', the scale is visible if at least one associated dataset is visible.
+		for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
+			if (chart.isDatasetVisible(i)) {
+				meta = chart.getDatasetMeta(i);
+				if (meta.xAxisID === me.id || meta.yAxisID === me.id) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	},
+
+	/**
+	 * @private
+	 */
+	_computeGridLineItems: function(chartArea) {
+		var me = this;
+		var chart = me.chart;
+		var options = me.options;
+		var gridLines = options.gridLines;
+		var position = options.position;
+		var offsetGridLines = gridLines.offsetGridLines;
+		var isHorizontal = me.isHorizontal();
+		var ticks = me._ticksToDraw;
+		var ticksLength = ticks.length + (offsetGridLines ? 1 : 0);
+
+		var tl = getTickMarkLength(gridLines);
+		var items = [];
+		var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0;
+		var axisHalfWidth = axisWidth / 2;
+		var alignPixel = helpers$1._alignPixel;
+		var alignBorderValue = function(pixel) {
+			return alignPixel(chart, pixel, axisWidth);
+		};
+		var borderValue, i, tick, lineValue, alignedLineValue;
+		var tx1, ty1, tx2, ty2, x1, y1, x2, y2, lineWidth, lineColor, borderDash, borderDashOffset;
+
+		if (position === 'top') {
+			borderValue = alignBorderValue(me.bottom);
+			ty1 = me.bottom - tl;
+			ty2 = borderValue - axisHalfWidth;
+			y1 = alignBorderValue(chartArea.top) + axisHalfWidth;
+			y2 = chartArea.bottom;
+		} else if (position === 'bottom') {
+			borderValue = alignBorderValue(me.top);
+			y1 = chartArea.top;
+			y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;
+			ty1 = borderValue + axisHalfWidth;
+			ty2 = me.top + tl;
+		} else if (position === 'left') {
+			borderValue = alignBorderValue(me.right);
+			tx1 = me.right - tl;
+			tx2 = borderValue - axisHalfWidth;
+			x1 = alignBorderValue(chartArea.left) + axisHalfWidth;
+			x2 = chartArea.right;
+		} else {
+			borderValue = alignBorderValue(me.left);
+			x1 = chartArea.left;
+			x2 = alignBorderValue(chartArea.right) - axisHalfWidth;
+			tx1 = borderValue + axisHalfWidth;
+			tx2 = me.left + tl;
+		}
+
+		for (i = 0; i < ticksLength; ++i) {
+			tick = ticks[i] || {};
+
+			// autoskipper skipped this tick (#4635)
+			if (isNullOrUndef(tick.label) && i < ticks.length) {
+				continue;
+			}
+
+			if (i === me.zeroLineIndex && options.offset === offsetGridLines) {
+				// Draw the first index specially
+				lineWidth = gridLines.zeroLineWidth;
+				lineColor = gridLines.zeroLineColor;
+				borderDash = gridLines.zeroLineBorderDash || [];
+				borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0;
+			} else {
+				lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, i, 1);
+				lineColor = valueAtIndexOrDefault(gridLines.color, i, 'rgba(0,0,0,0.1)');
+				borderDash = gridLines.borderDash || [];
+				borderDashOffset = gridLines.borderDashOffset || 0.0;
+			}
+
+			lineValue = getPixelForGridLine(me, tick._index || i, offsetGridLines);
+
+			// Skip if the pixel is out of the range
+			if (lineValue === undefined) {
+				continue;
+			}
+
+			alignedLineValue = alignPixel(chart, lineValue, lineWidth);
+
+			if (isHorizontal) {
+				tx1 = tx2 = x1 = x2 = alignedLineValue;
+			} else {
+				ty1 = ty2 = y1 = y2 = alignedLineValue;
+			}
+
+			items.push({
+				tx1: tx1,
+				ty1: ty1,
+				tx2: tx2,
+				ty2: ty2,
+				x1: x1,
+				y1: y1,
+				x2: x2,
+				y2: y2,
+				width: lineWidth,
+				color: lineColor,
+				borderDash: borderDash,
+				borderDashOffset: borderDashOffset,
+			});
+		}
+
+		items.ticksLength = ticksLength;
+		items.borderValue = borderValue;
+
+		return items;
+	},
+
+	/**
+	 * @private
+	 */
+	_computeLabelItems: function() {
+		var me = this;
+		var options = me.options;
+		var optionTicks = options.ticks;
+		var position = options.position;
+		var isMirrored = optionTicks.mirror;
+		var isHorizontal = me.isHorizontal();
+		var ticks = me._ticksToDraw;
+		var fonts = parseTickFontOptions(optionTicks);
+		var tickPadding = optionTicks.padding;
+		var tl = getTickMarkLength(options.gridLines);
+		var rotation = -helpers$1.toRadians(me.labelRotation);
+		var items = [];
+		var i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;
+
+		if (position === 'top') {
+			y = me.bottom - tl - tickPadding;
+			textAlign = !rotation ? 'center' : 'left';
+		} else if (position === 'bottom') {
+			y = me.top + tl + tickPadding;
+			textAlign = !rotation ? 'center' : 'right';
+		} else if (position === 'left') {
+			x = me.right - (isMirrored ? 0 : tl) - tickPadding;
+			textAlign = isMirrored ? 'left' : 'right';
+		} else {
+			x = me.left + (isMirrored ? 0 : tl) + tickPadding;
+			textAlign = isMirrored ? 'right' : 'left';
+		}
+
+		for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+			tick = ticks[i];
+			label = tick.label;
+
+			// autoskipper skipped this tick (#4635)
+			if (isNullOrUndef(label)) {
+				continue;
+			}
+
+			pixel = me.getPixelForTick(tick._index || i) + optionTicks.labelOffset;
+			font = tick.major ? fonts.major : fonts.minor;
+			lineHeight = font.lineHeight;
+			lineCount = isArray(label) ? label.length : 1;
+
+			if (isHorizontal) {
+				x = pixel;
+				textOffset = position === 'top'
+					? ((!rotation ? 0.5 : 1) - lineCount) * lineHeight
+					: (!rotation ? 0.5 : 0) * lineHeight;
+			} else {
+				y = pixel;
+				textOffset = (1 - lineCount) * lineHeight / 2;
+			}
+
+			items.push({
+				x: x,
+				y: y,
+				rotation: rotation,
+				label: label,
+				font: font,
+				textOffset: textOffset,
+				textAlign: textAlign
+			});
+		}
+
+		return items;
+	},
+
+	/**
+	 * @private
+	 */
+	_drawGrid: function(chartArea) {
+		var me = this;
+		var gridLines = me.options.gridLines;
+
+		if (!gridLines.display) {
+			return;
+		}
+
+		var ctx = me.ctx;
+		var chart = me.chart;
+		var alignPixel = helpers$1._alignPixel;
+		var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0;
+		var items = me._gridLineItems || (me._gridLineItems = me._computeGridLineItems(chartArea));
+		var width, color, i, ilen, item;
+
+		for (i = 0, ilen = items.length; i < ilen; ++i) {
+			item = items[i];
+			width = item.width;
+			color = item.color;
+
+			if (width && color) {
+				ctx.save();
+				ctx.lineWidth = width;
+				ctx.strokeStyle = color;
+				if (ctx.setLineDash) {
+					ctx.setLineDash(item.borderDash);
+					ctx.lineDashOffset = item.borderDashOffset;
+				}
+
+				ctx.beginPath();
+
+				if (gridLines.drawTicks) {
+					ctx.moveTo(item.tx1, item.ty1);
+					ctx.lineTo(item.tx2, item.ty2);
+				}
+
+				if (gridLines.drawOnChartArea) {
+					ctx.moveTo(item.x1, item.y1);
+					ctx.lineTo(item.x2, item.y2);
+				}
+
+				ctx.stroke();
+				ctx.restore();
+			}
+		}
+
+		if (axisWidth) {
+			// Draw the line at the edge of the axis
+			var firstLineWidth = axisWidth;
+			var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, items.ticksLength - 1, 1);
+			var borderValue = items.borderValue;
+			var x1, x2, y1, y2;
+
+			if (me.isHorizontal()) {
+				x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2;
+				x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2;
+				y1 = y2 = borderValue;
+			} else {
+				y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2;
+				y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2;
+				x1 = x2 = borderValue;
+			}
+
+			ctx.lineWidth = axisWidth;
+			ctx.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0);
+			ctx.beginPath();
+			ctx.moveTo(x1, y1);
+			ctx.lineTo(x2, y2);
+			ctx.stroke();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_drawLabels: function() {
+		var me = this;
+		var optionTicks = me.options.ticks;
+
+		if (!optionTicks.display) {
+			return;
+		}
+
+		var ctx = me.ctx;
+		var items = me._labelItems || (me._labelItems = me._computeLabelItems());
+		var i, j, ilen, jlen, item, tickFont, label, y;
+
+		for (i = 0, ilen = items.length; i < ilen; ++i) {
+			item = items[i];
+			tickFont = item.font;
+
+			// Make sure we draw text in the correct color and font
+			ctx.save();
+			ctx.translate(item.x, item.y);
+			ctx.rotate(item.rotation);
+			ctx.font = tickFont.string;
+			ctx.fillStyle = tickFont.color;
+			ctx.textBaseline = 'middle';
+			ctx.textAlign = item.textAlign;
+
+			label = item.label;
+			y = item.textOffset;
+			if (isArray(label)) {
+				for (j = 0, jlen = label.length; j < jlen; ++j) {
+					// We just make sure the multiline element is a string here..
+					ctx.fillText('' + label[j], 0, y);
+					y += tickFont.lineHeight;
+				}
+			} else {
+				ctx.fillText(label, 0, y);
+			}
+			ctx.restore();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_drawTitle: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var options = me.options;
+		var scaleLabel = options.scaleLabel;
+
+		if (!scaleLabel.display) {
+			return;
+		}
+
+		var scaleLabelFontColor = valueOrDefault$a(scaleLabel.fontColor, core_defaults.global.defaultFontColor);
+		var scaleLabelFont = helpers$1.options._parseFont(scaleLabel);
+		var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding);
+		var halfLineHeight = scaleLabelFont.lineHeight / 2;
+		var position = options.position;
+		var rotation = 0;
+		var scaleLabelX, scaleLabelY;
+
+		if (me.isHorizontal()) {
+			scaleLabelX = me.left + me.width / 2; // midpoint of the width
+			scaleLabelY = position === 'bottom'
+				? me.bottom - halfLineHeight - scaleLabelPadding.bottom
+				: me.top + halfLineHeight + scaleLabelPadding.top;
+		} else {
+			var isLeft = position === 'left';
+			scaleLabelX = isLeft
+				? me.left + halfLineHeight + scaleLabelPadding.top
+				: me.right - halfLineHeight - scaleLabelPadding.top;
+			scaleLabelY = me.top + me.height / 2;
+			rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;
+		}
+
+		ctx.save();
+		ctx.translate(scaleLabelX, scaleLabelY);
+		ctx.rotate(rotation);
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+		ctx.fillStyle = scaleLabelFontColor; // render in correct colour
+		ctx.font = scaleLabelFont.string;
+		ctx.fillText(scaleLabel.labelString, 0, 0);
+		ctx.restore();
+	},
+
+	draw: function(chartArea) {
+		var me = this;
+
+		if (!me._isVisible()) {
+			return;
+		}
+
+		me._drawGrid(chartArea);
+		me._drawTitle();
+		me._drawLabels();
+	},
+
+	/**
+	 * @private
+	 */
+	_layers: function() {
+		var me = this;
+		var opts = me.options;
+		var tz = opts.ticks && opts.ticks.z || 0;
+		var gz = opts.gridLines && opts.gridLines.z || 0;
+
+		if (!me._isVisible() || tz === gz || me.draw !== me._draw) {
+			// backward compatibility: draw has been overridden by custom scale
+			return [{
+				z: tz,
+				draw: function() {
+					me.draw.apply(me, arguments);
+				}
+			}];
+		}
+
+		return [{
+			z: gz,
+			draw: function() {
+				me._drawGrid.apply(me, arguments);
+				me._drawTitle.apply(me, arguments);
+			}
+		}, {
+			z: tz,
+			draw: function() {
+				me._drawLabels.apply(me, arguments);
+			}
+		}];
+	},
+
+	/**
+	 * @private
+	 */
+	_getMatchingVisibleMetas: function(type) {
+		var me = this;
+		var isHorizontal = me.isHorizontal();
+		return me.chart._getSortedVisibleDatasetMetas()
+			.filter(function(meta) {
+				return (!type || meta.type === type)
+					&& (isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id);
+			});
+	}
+});
+
+Scale.prototype._draw = Scale.prototype.draw;
+
+var core_scale = Scale;
+
+var isNullOrUndef$1 = helpers$1.isNullOrUndef;
+
+var defaultConfig = {
+	position: 'bottom'
+};
+
+var scale_category = core_scale.extend({
+	determineDataLimits: function() {
+		var me = this;
+		var labels = me._getLabels();
+		var ticksOpts = me.options.ticks;
+		var min = ticksOpts.min;
+		var max = ticksOpts.max;
+		var minIndex = 0;
+		var maxIndex = labels.length - 1;
+		var findIndex;
+
+		if (min !== undefined) {
+			// user specified min value
+			findIndex = labels.indexOf(min);
+			if (findIndex >= 0) {
+				minIndex = findIndex;
+			}
+		}
+
+		if (max !== undefined) {
+			// user specified max value
+			findIndex = labels.indexOf(max);
+			if (findIndex >= 0) {
+				maxIndex = findIndex;
+			}
+		}
+
+		me.minIndex = minIndex;
+		me.maxIndex = maxIndex;
+		me.min = labels[minIndex];
+		me.max = labels[maxIndex];
+	},
+
+	buildTicks: function() {
+		var me = this;
+		var labels = me._getLabels();
+		var minIndex = me.minIndex;
+		var maxIndex = me.maxIndex;
+
+		// If we are viewing some subset of labels, slice the original array
+		me.ticks = (minIndex === 0 && maxIndex === labels.length - 1) ? labels : labels.slice(minIndex, maxIndex + 1);
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		var me = this;
+		var chart = me.chart;
+
+		if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) {
+			return me.getRightValue(chart.data.datasets[datasetIndex].data[index]);
+		}
+
+		return me._getLabels()[index];
+	},
+
+	_configure: function() {
+		var me = this;
+		var offset = me.options.offset;
+		var ticks = me.ticks;
+
+		core_scale.prototype._configure.call(me);
+
+		if (!me.isHorizontal()) {
+			// For backward compatibility, vertical category scale reverse is inverted.
+			me._reversePixels = !me._reversePixels;
+		}
+
+		if (!ticks) {
+			return;
+		}
+
+		me._startValue = me.minIndex - (offset ? 0.5 : 0);
+		me._valueRange = Math.max(ticks.length - (offset ? 0 : 1), 1);
+	},
+
+	// Used to get data value locations.  Value can either be an index or a numerical value
+	getPixelForValue: function(value, index, datasetIndex) {
+		var me = this;
+		var valueCategory, labels, idx;
+
+		if (!isNullOrUndef$1(index) && !isNullOrUndef$1(datasetIndex)) {
+			value = me.chart.data.datasets[datasetIndex].data[index];
+		}
+
+		// If value is a data object, then index is the index in the data array,
+		// not the index of the scale. We need to change that.
+		if (!isNullOrUndef$1(value)) {
+			valueCategory = me.isHorizontal() ? value.x : value.y;
+		}
+		if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {
+			labels = me._getLabels();
+			value = helpers$1.valueOrDefault(valueCategory, value);
+			idx = labels.indexOf(value);
+			index = idx !== -1 ? idx : index;
+			if (isNaN(index)) {
+				index = value;
+			}
+		}
+		return me.getPixelForDecimal((index - me._startValue) / me._valueRange);
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.ticks;
+		return index < 0 || index > ticks.length - 1
+			? null
+			: this.getPixelForValue(ticks[index], index + this.minIndex);
+	},
+
+	getValueForPixel: function(pixel) {
+		var me = this;
+		var value = Math.round(me._startValue + me.getDecimalForPixel(pixel) * me._valueRange);
+		return Math.min(Math.max(value, 0), me.ticks.length - 1);
+	},
+
+	getBasePixel: function() {
+		return this.bottom;
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults = defaultConfig;
+scale_category._defaults = _defaults;
+
+var noop = helpers$1.noop;
+var isNullOrUndef$2 = helpers$1.isNullOrUndef;
+
+/**
+ * Generate a set of linear ticks
+ * @param generationOptions the options used to generate the ticks
+ * @param dataRange the range of the data
+ * @returns {number[]} array of tick values
+ */
+function generateTicks(generationOptions, dataRange) {
+	var ticks = [];
+	// To get a "nice" value for the tick spacing, we will use the appropriately named
+	// "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
+	// for details.
+
+	var MIN_SPACING = 1e-14;
+	var stepSize = generationOptions.stepSize;
+	var unit = stepSize || 1;
+	var maxNumSpaces = generationOptions.maxTicks - 1;
+	var min = generationOptions.min;
+	var max = generationOptions.max;
+	var precision = generationOptions.precision;
+	var rmin = dataRange.min;
+	var rmax = dataRange.max;
+	var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit;
+	var factor, niceMin, niceMax, numSpaces;
+
+	// Beyond MIN_SPACING floating point numbers being to lose precision
+	// such that we can't do the math necessary to generate ticks
+	if (spacing < MIN_SPACING && isNullOrUndef$2(min) && isNullOrUndef$2(max)) {
+		return [rmin, rmax];
+	}
+
+	numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);
+	if (numSpaces > maxNumSpaces) {
+		// If the calculated num of spaces exceeds maxNumSpaces, recalculate it
+		spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit;
+	}
+
+	if (stepSize || isNullOrUndef$2(precision)) {
+		// If a precision is not specified, calculate factor based on spacing
+		factor = Math.pow(10, helpers$1._decimalPlaces(spacing));
+	} else {
+		// If the user specified a precision, round to that number of decimal places
+		factor = Math.pow(10, precision);
+		spacing = Math.ceil(spacing * factor) / factor;
+	}
+
+	niceMin = Math.floor(rmin / spacing) * spacing;
+	niceMax = Math.ceil(rmax / spacing) * spacing;
+
+	// If min, max and stepSize is set and they make an evenly spaced scale use it.
+	if (stepSize) {
+		// If very close to our whole number, use it.
+		if (!isNullOrUndef$2(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) {
+			niceMin = min;
+		}
+		if (!isNullOrUndef$2(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) {
+			niceMax = max;
+		}
+	}
+
+	numSpaces = (niceMax - niceMin) / spacing;
+	// If very close to our rounded value, use it.
+	if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {
+		numSpaces = Math.round(numSpaces);
+	} else {
+		numSpaces = Math.ceil(numSpaces);
+	}
+
+	niceMin = Math.round(niceMin * factor) / factor;
+	niceMax = Math.round(niceMax * factor) / factor;
+	ticks.push(isNullOrUndef$2(min) ? niceMin : min);
+	for (var j = 1; j < numSpaces; ++j) {
+		ticks.push(Math.round((niceMin + j * spacing) * factor) / factor);
+	}
+	ticks.push(isNullOrUndef$2(max) ? niceMax : max);
+
+	return ticks;
+}
+
+var scale_linearbase = core_scale.extend({
+	getRightValue: function(value) {
+		if (typeof value === 'string') {
+			return +value;
+		}
+		return core_scale.prototype.getRightValue.call(this, value);
+	},
+
+	handleTickRangeOptions: function() {
+		var me = this;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+
+		// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
+		// do nothing since that would make the chart weird. If the user really wants a weird chart
+		// axis, they can manually override it
+		if (tickOpts.beginAtZero) {
+			var minSign = helpers$1.sign(me.min);
+			var maxSign = helpers$1.sign(me.max);
+
+			if (minSign < 0 && maxSign < 0) {
+				// move the top up to 0
+				me.max = 0;
+			} else if (minSign > 0 && maxSign > 0) {
+				// move the bottom down to 0
+				me.min = 0;
+			}
+		}
+
+		var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;
+		var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;
+
+		if (tickOpts.min !== undefined) {
+			me.min = tickOpts.min;
+		} else if (tickOpts.suggestedMin !== undefined) {
+			if (me.min === null) {
+				me.min = tickOpts.suggestedMin;
+			} else {
+				me.min = Math.min(me.min, tickOpts.suggestedMin);
+			}
+		}
+
+		if (tickOpts.max !== undefined) {
+			me.max = tickOpts.max;
+		} else if (tickOpts.suggestedMax !== undefined) {
+			if (me.max === null) {
+				me.max = tickOpts.suggestedMax;
+			} else {
+				me.max = Math.max(me.max, tickOpts.suggestedMax);
+			}
+		}
+
+		if (setMin !== setMax) {
+			// We set the min or the max but not both.
+			// So ensure that our range is good
+			// Inverted or 0 length range can happen when
+			// ticks.min is set, and no datasets are visible
+			if (me.min >= me.max) {
+				if (setMin) {
+					me.max = me.min + 1;
+				} else {
+					me.min = me.max - 1;
+				}
+			}
+		}
+
+		if (me.min === me.max) {
+			me.max++;
+
+			if (!tickOpts.beginAtZero) {
+				me.min--;
+			}
+		}
+	},
+
+	getTickLimit: function() {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var stepSize = tickOpts.stepSize;
+		var maxTicksLimit = tickOpts.maxTicksLimit;
+		var maxTicks;
+
+		if (stepSize) {
+			maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1;
+		} else {
+			maxTicks = me._computeTickLimit();
+			maxTicksLimit = maxTicksLimit || 11;
+		}
+
+		if (maxTicksLimit) {
+			maxTicks = Math.min(maxTicksLimit, maxTicks);
+		}
+
+		return maxTicks;
+	},
+
+	_computeTickLimit: function() {
+		return Number.POSITIVE_INFINITY;
+	},
+
+	handleDirectionalChanges: noop,
+
+	buildTicks: function() {
+		var me = this;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+
+		// Figure out what the max number of ticks we can support it is based on the size of
+		// the axis area. For now, we say that the minimum tick spacing in pixels must be 40
+		// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
+		// the graph. Make sure we always have at least 2 ticks
+		var maxTicks = me.getTickLimit();
+		maxTicks = Math.max(2, maxTicks);
+
+		var numericGeneratorOptions = {
+			maxTicks: maxTicks,
+			min: tickOpts.min,
+			max: tickOpts.max,
+			precision: tickOpts.precision,
+			stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)
+		};
+		var ticks = me.ticks = generateTicks(numericGeneratorOptions, me);
+
+		me.handleDirectionalChanges();
+
+		// At this point, we need to update our max and min given the tick values since we have expanded the
+		// range of the scale
+		me.max = helpers$1.max(ticks);
+		me.min = helpers$1.min(ticks);
+
+		if (tickOpts.reverse) {
+			ticks.reverse();
+
+			me.start = me.max;
+			me.end = me.min;
+		} else {
+			me.start = me.min;
+			me.end = me.max;
+		}
+	},
+
+	convertTicksToLabels: function() {
+		var me = this;
+		me.ticksAsNumbers = me.ticks.slice();
+		me.zeroLineIndex = me.ticks.indexOf(0);
+
+		core_scale.prototype.convertTicksToLabels.call(me);
+	},
+
+	_configure: function() {
+		var me = this;
+		var ticks = me.getTicks();
+		var start = me.min;
+		var end = me.max;
+		var offset;
+
+		core_scale.prototype._configure.call(me);
+
+		if (me.options.offset && ticks.length) {
+			offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;
+			start -= offset;
+			end += offset;
+		}
+		me._startValue = start;
+		me._endValue = end;
+		me._valueRange = end - start;
+	}
+});
+
+var defaultConfig$1 = {
+	position: 'left',
+	ticks: {
+		callback: core_ticks.formatters.linear
+	}
+};
+
+var DEFAULT_MIN = 0;
+var DEFAULT_MAX = 1;
+
+function getOrCreateStack(stacks, stacked, meta) {
+	var key = [
+		meta.type,
+		// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined
+		stacked === undefined && meta.stack === undefined ? meta.index : '',
+		meta.stack
+	].join('.');
+
+	if (stacks[key] === undefined) {
+		stacks[key] = {
+			pos: [],
+			neg: []
+		};
+	}
+
+	return stacks[key];
+}
+
+function stackData(scale, stacks, meta, data) {
+	var opts = scale.options;
+	var stacked = opts.stacked;
+	var stack = getOrCreateStack(stacks, stacked, meta);
+	var pos = stack.pos;
+	var neg = stack.neg;
+	var ilen = data.length;
+	var i, value;
+
+	for (i = 0; i < ilen; ++i) {
+		value = scale._parseValue(data[i]);
+		if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) {
+			continue;
+		}
+
+		pos[i] = pos[i] || 0;
+		neg[i] = neg[i] || 0;
+
+		if (opts.relativePoints) {
+			pos[i] = 100;
+		} else if (value.min < 0 || value.max < 0) {
+			neg[i] += value.min;
+		} else {
+			pos[i] += value.max;
+		}
+	}
+}
+
+function updateMinMax(scale, meta, data) {
+	var ilen = data.length;
+	var i, value;
+
+	for (i = 0; i < ilen; ++i) {
+		value = scale._parseValue(data[i]);
+		if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) {
+			continue;
+		}
+
+		scale.min = Math.min(scale.min, value.min);
+		scale.max = Math.max(scale.max, value.max);
+	}
+}
+
+var scale_linear = scale_linearbase.extend({
+	determineDataLimits: function() {
+		var me = this;
+		var opts = me.options;
+		var chart = me.chart;
+		var datasets = chart.data.datasets;
+		var metasets = me._getMatchingVisibleMetas();
+		var hasStacks = opts.stacked;
+		var stacks = {};
+		var ilen = metasets.length;
+		var i, meta, data, values;
+
+		me.min = Number.POSITIVE_INFINITY;
+		me.max = Number.NEGATIVE_INFINITY;
+
+		if (hasStacks === undefined) {
+			for (i = 0; !hasStacks && i < ilen; ++i) {
+				meta = metasets[i];
+				hasStacks = meta.stack !== undefined;
+			}
+		}
+
+		for (i = 0; i < ilen; ++i) {
+			meta = metasets[i];
+			data = datasets[meta.index].data;
+			if (hasStacks) {
+				stackData(me, stacks, meta, data);
+			} else {
+				updateMinMax(me, meta, data);
+			}
+		}
+
+		helpers$1.each(stacks, function(stackValues) {
+			values = stackValues.pos.concat(stackValues.neg);
+			me.min = Math.min(me.min, helpers$1.min(values));
+			me.max = Math.max(me.max, helpers$1.max(values));
+		});
+
+		me.min = helpers$1.isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;
+		me.max = helpers$1.isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;
+
+		// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
+		me.handleTickRangeOptions();
+	},
+
+	// Returns the maximum number of ticks based on the scale dimension
+	_computeTickLimit: function() {
+		var me = this;
+		var tickFont;
+
+		if (me.isHorizontal()) {
+			return Math.ceil(me.width / 40);
+		}
+		tickFont = helpers$1.options._parseFont(me.options.ticks);
+		return Math.ceil(me.height / tickFont.lineHeight);
+	},
+
+	// Called after the ticks are built. We need
+	handleDirectionalChanges: function() {
+		if (!this.isHorizontal()) {
+			// We are in a vertical orientation. The top value is the highest. So reverse the array
+			this.ticks.reverse();
+		}
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		return this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]);
+	},
+
+	// Utils
+	getPixelForValue: function(value) {
+		var me = this;
+		return me.getPixelForDecimal((+me.getRightValue(value) - me._startValue) / me._valueRange);
+	},
+
+	getValueForPixel: function(pixel) {
+		return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.ticksAsNumbers;
+		if (index < 0 || index > ticks.length - 1) {
+			return null;
+		}
+		return this.getPixelForValue(ticks[index]);
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$1 = defaultConfig$1;
+scale_linear._defaults = _defaults$1;
+
+var valueOrDefault$b = helpers$1.valueOrDefault;
+var log10 = helpers$1.math.log10;
+
+/**
+ * Generate a set of logarithmic ticks
+ * @param generationOptions the options used to generate the ticks
+ * @param dataRange the range of the data
+ * @returns {number[]} array of tick values
+ */
+function generateTicks$1(generationOptions, dataRange) {
+	var ticks = [];
+
+	var tickVal = valueOrDefault$b(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));
+
+	var endExp = Math.floor(log10(dataRange.max));
+	var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));
+	var exp, significand;
+
+	if (tickVal === 0) {
+		exp = Math.floor(log10(dataRange.minNotZero));
+		significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));
+
+		ticks.push(tickVal);
+		tickVal = significand * Math.pow(10, exp);
+	} else {
+		exp = Math.floor(log10(tickVal));
+		significand = Math.floor(tickVal / Math.pow(10, exp));
+	}
+	var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;
+
+	do {
+		ticks.push(tickVal);
+
+		++significand;
+		if (significand === 10) {
+			significand = 1;
+			++exp;
+			precision = exp >= 0 ? 1 : precision;
+		}
+
+		tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;
+	} while (exp < endExp || (exp === endExp && significand < endSignificand));
+
+	var lastTick = valueOrDefault$b(generationOptions.max, tickVal);
+	ticks.push(lastTick);
+
+	return ticks;
+}
+
+var defaultConfig$2 = {
+	position: 'left',
+
+	// label settings
+	ticks: {
+		callback: core_ticks.formatters.logarithmic
+	}
+};
+
+// TODO(v3): change this to positiveOrDefault
+function nonNegativeOrDefault(value, defaultValue) {
+	return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue;
+}
+
+var scale_logarithmic = core_scale.extend({
+	determineDataLimits: function() {
+		var me = this;
+		var opts = me.options;
+		var chart = me.chart;
+		var datasets = chart.data.datasets;
+		var isHorizontal = me.isHorizontal();
+		function IDMatches(meta) {
+			return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;
+		}
+		var datasetIndex, meta, value, data, i, ilen;
+
+		// Calculate Range
+		me.min = Number.POSITIVE_INFINITY;
+		me.max = Number.NEGATIVE_INFINITY;
+		me.minNotZero = Number.POSITIVE_INFINITY;
+
+		var hasStacks = opts.stacked;
+		if (hasStacks === undefined) {
+			for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {
+				meta = chart.getDatasetMeta(datasetIndex);
+				if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&
+					meta.stack !== undefined) {
+					hasStacks = true;
+					break;
+				}
+			}
+		}
+
+		if (opts.stacked || hasStacks) {
+			var valuesPerStack = {};
+
+			for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {
+				meta = chart.getDatasetMeta(datasetIndex);
+				var key = [
+					meta.type,
+					// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined
+					((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),
+					meta.stack
+				].join('.');
+
+				if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
+					if (valuesPerStack[key] === undefined) {
+						valuesPerStack[key] = [];
+					}
+
+					data = datasets[datasetIndex].data;
+					for (i = 0, ilen = data.length; i < ilen; i++) {
+						var values = valuesPerStack[key];
+						value = me._parseValue(data[i]);
+						// invalid, hidden and negative values are ignored
+						if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) {
+							continue;
+						}
+						values[i] = values[i] || 0;
+						values[i] += value.max;
+					}
+				}
+			}
+
+			helpers$1.each(valuesPerStack, function(valuesForType) {
+				if (valuesForType.length > 0) {
+					var minVal = helpers$1.min(valuesForType);
+					var maxVal = helpers$1.max(valuesForType);
+					me.min = Math.min(me.min, minVal);
+					me.max = Math.max(me.max, maxVal);
+				}
+			});
+
+		} else {
+			for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {
+				meta = chart.getDatasetMeta(datasetIndex);
+				if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
+					data = datasets[datasetIndex].data;
+					for (i = 0, ilen = data.length; i < ilen; i++) {
+						value = me._parseValue(data[i]);
+						// invalid, hidden and negative values are ignored
+						if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) {
+							continue;
+						}
+
+						me.min = Math.min(value.min, me.min);
+						me.max = Math.max(value.max, me.max);
+
+						if (value.min !== 0) {
+							me.minNotZero = Math.min(value.min, me.minNotZero);
+						}
+					}
+				}
+			}
+		}
+
+		me.min = helpers$1.isFinite(me.min) ? me.min : null;
+		me.max = helpers$1.isFinite(me.max) ? me.max : null;
+		me.minNotZero = helpers$1.isFinite(me.minNotZero) ? me.minNotZero : null;
+
+		// Common base implementation to handle ticks.min, ticks.max
+		this.handleTickRangeOptions();
+	},
+
+	handleTickRangeOptions: function() {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var DEFAULT_MIN = 1;
+		var DEFAULT_MAX = 10;
+
+		me.min = nonNegativeOrDefault(tickOpts.min, me.min);
+		me.max = nonNegativeOrDefault(tickOpts.max, me.max);
+
+		if (me.min === me.max) {
+			if (me.min !== 0 && me.min !== null) {
+				me.min = Math.pow(10, Math.floor(log10(me.min)) - 1);
+				me.max = Math.pow(10, Math.floor(log10(me.max)) + 1);
+			} else {
+				me.min = DEFAULT_MIN;
+				me.max = DEFAULT_MAX;
+			}
+		}
+		if (me.min === null) {
+			me.min = Math.pow(10, Math.floor(log10(me.max)) - 1);
+		}
+		if (me.max === null) {
+			me.max = me.min !== 0
+				? Math.pow(10, Math.floor(log10(me.min)) + 1)
+				: DEFAULT_MAX;
+		}
+		if (me.minNotZero === null) {
+			if (me.min > 0) {
+				me.minNotZero = me.min;
+			} else if (me.max < 1) {
+				me.minNotZero = Math.pow(10, Math.floor(log10(me.max)));
+			} else {
+				me.minNotZero = DEFAULT_MIN;
+			}
+		}
+	},
+
+	buildTicks: function() {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var reverse = !me.isHorizontal();
+
+		var generationOptions = {
+			min: nonNegativeOrDefault(tickOpts.min),
+			max: nonNegativeOrDefault(tickOpts.max)
+		};
+		var ticks = me.ticks = generateTicks$1(generationOptions, me);
+
+		// At this point, we need to update our max and min given the tick values since we have expanded the
+		// range of the scale
+		me.max = helpers$1.max(ticks);
+		me.min = helpers$1.min(ticks);
+
+		if (tickOpts.reverse) {
+			reverse = !reverse;
+			me.start = me.max;
+			me.end = me.min;
+		} else {
+			me.start = me.min;
+			me.end = me.max;
+		}
+		if (reverse) {
+			ticks.reverse();
+		}
+	},
+
+	convertTicksToLabels: function() {
+		this.tickValues = this.ticks.slice();
+
+		core_scale.prototype.convertTicksToLabels.call(this);
+	},
+
+	// Get the correct tooltip label
+	getLabelForIndex: function(index, datasetIndex) {
+		return this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]);
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.tickValues;
+		if (index < 0 || index > ticks.length - 1) {
+			return null;
+		}
+		return this.getPixelForValue(ticks[index]);
+	},
+
+	/**
+	 * Returns the value of the first tick.
+	 * @param {number} value - The minimum not zero value.
+	 * @return {number} The first tick value.
+	 * @private
+	 */
+	_getFirstTickValue: function(value) {
+		var exp = Math.floor(log10(value));
+		var significand = Math.floor(value / Math.pow(10, exp));
+
+		return significand * Math.pow(10, exp);
+	},
+
+	_configure: function() {
+		var me = this;
+		var start = me.min;
+		var offset = 0;
+
+		core_scale.prototype._configure.call(me);
+
+		if (start === 0) {
+			start = me._getFirstTickValue(me.minNotZero);
+			offset = valueOrDefault$b(me.options.ticks.fontSize, core_defaults.global.defaultFontSize) / me._length;
+		}
+
+		me._startValue = log10(start);
+		me._valueOffset = offset;
+		me._valueRange = (log10(me.max) - log10(start)) / (1 - offset);
+	},
+
+	getPixelForValue: function(value) {
+		var me = this;
+		var decimal = 0;
+
+		value = +me.getRightValue(value);
+
+		if (value > me.min && value > 0) {
+			decimal = (log10(value) - me._startValue) / me._valueRange + me._valueOffset;
+		}
+		return me.getPixelForDecimal(decimal);
+	},
+
+	getValueForPixel: function(pixel) {
+		var me = this;
+		var decimal = me.getDecimalForPixel(pixel);
+		return decimal === 0 && me.min === 0
+			? 0
+			: Math.pow(10, me._startValue + (decimal - me._valueOffset) * me._valueRange);
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$2 = defaultConfig$2;
+scale_logarithmic._defaults = _defaults$2;
+
+var valueOrDefault$c = helpers$1.valueOrDefault;
+var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault;
+var resolve$4 = helpers$1.options.resolve;
+
+var defaultConfig$3 = {
+	display: true,
+
+	// Boolean - Whether to animate scaling the chart from the centre
+	animate: true,
+	position: 'chartArea',
+
+	angleLines: {
+		display: true,
+		color: 'rgba(0,0,0,0.1)',
+		lineWidth: 1,
+		borderDash: [],
+		borderDashOffset: 0.0
+	},
+
+	gridLines: {
+		circular: false
+	},
+
+	// label settings
+	ticks: {
+		// Boolean - Show a backdrop to the scale label
+		showLabelBackdrop: true,
+
+		// String - The colour of the label backdrop
+		backdropColor: 'rgba(255,255,255,0.75)',
+
+		// Number - The backdrop padding above & below the label in pixels
+		backdropPaddingY: 2,
+
+		// Number - The backdrop padding to the side of the label in pixels
+		backdropPaddingX: 2,
+
+		callback: core_ticks.formatters.linear
+	},
+
+	pointLabels: {
+		// Boolean - if true, show point labels
+		display: true,
+
+		// Number - Point label font size in pixels
+		fontSize: 10,
+
+		// Function - Used to convert point labels
+		callback: function(label) {
+			return label;
+		}
+	}
+};
+
+function getTickBackdropHeight(opts) {
+	var tickOpts = opts.ticks;
+
+	if (tickOpts.display && opts.display) {
+		return valueOrDefault$c(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2;
+	}
+	return 0;
+}
+
+function measureLabelSize(ctx, lineHeight, label) {
+	if (helpers$1.isArray(label)) {
+		return {
+			w: helpers$1.longestText(ctx, ctx.font, label),
+			h: label.length * lineHeight
+		};
+	}
+
+	return {
+		w: ctx.measureText(label).width,
+		h: lineHeight
+	};
+}
+
+function determineLimits(angle, pos, size, min, max) {
+	if (angle === min || angle === max) {
+		return {
+			start: pos - (size / 2),
+			end: pos + (size / 2)
+		};
+	} else if (angle < min || angle > max) {
+		return {
+			start: pos - size,
+			end: pos
+		};
+	}
+
+	return {
+		start: pos,
+		end: pos + size
+	};
+}
+
+/**
+ * Helper function to fit a radial linear scale with point labels
+ */
+function fitWithPointLabels(scale) {
+
+	// Right, this is really confusing and there is a lot of maths going on here
+	// The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9
+	//
+	// Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif
+	//
+	// Solution:
+	//
+	// We assume the radius of the polygon is half the size of the canvas at first
+	// at each index we check if the text overlaps.
+	//
+	// Where it does, we store that angle and that index.
+	//
+	// After finding the largest index and angle we calculate how much we need to remove
+	// from the shape radius to move the point inwards by that x.
+	//
+	// We average the left and right distances to get the maximum shape radius that can fit in the box
+	// along with labels.
+	//
+	// Once we have that, we can find the centre point for the chart, by taking the x text protrusion
+	// on each side, removing that from the size, halving it and adding the left x protrusion width.
+	//
+	// This will mean we have a shape fitted to the canvas, as large as it can be with the labels
+	// and position it in the most space efficient manner
+	//
+	// https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif
+
+	var plFont = helpers$1.options._parseFont(scale.options.pointLabels);
+
+	// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
+	// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
+	var furthestLimits = {
+		l: 0,
+		r: scale.width,
+		t: 0,
+		b: scale.height - scale.paddingTop
+	};
+	var furthestAngles = {};
+	var i, textSize, pointPosition;
+
+	scale.ctx.font = plFont.string;
+	scale._pointLabelSizes = [];
+
+	var valueCount = scale.chart.data.labels.length;
+	for (i = 0; i < valueCount; i++) {
+		pointPosition = scale.getPointPosition(i, scale.drawingArea + 5);
+		textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i]);
+		scale._pointLabelSizes[i] = textSize;
+
+		// Add quarter circle to make degree 0 mean top of circle
+		var angleRadians = scale.getIndexAngle(i);
+		var angle = helpers$1.toDegrees(angleRadians) % 360;
+		var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);
+		var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);
+
+		if (hLimits.start < furthestLimits.l) {
+			furthestLimits.l = hLimits.start;
+			furthestAngles.l = angleRadians;
+		}
+
+		if (hLimits.end > furthestLimits.r) {
+			furthestLimits.r = hLimits.end;
+			furthestAngles.r = angleRadians;
+		}
+
+		if (vLimits.start < furthestLimits.t) {
+			furthestLimits.t = vLimits.start;
+			furthestAngles.t = angleRadians;
+		}
+
+		if (vLimits.end > furthestLimits.b) {
+			furthestLimits.b = vLimits.end;
+			furthestAngles.b = angleRadians;
+		}
+	}
+
+	scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles);
+}
+
+function getTextAlignForAngle(angle) {
+	if (angle === 0 || angle === 180) {
+		return 'center';
+	} else if (angle < 180) {
+		return 'left';
+	}
+
+	return 'right';
+}
+
+function fillText(ctx, text, position, lineHeight) {
+	var y = position.y + lineHeight / 2;
+	var i, ilen;
+
+	if (helpers$1.isArray(text)) {
+		for (i = 0, ilen = text.length; i < ilen; ++i) {
+			ctx.fillText(text[i], position.x, y);
+			y += lineHeight;
+		}
+	} else {
+		ctx.fillText(text, position.x, y);
+	}
+}
+
+function adjustPointPositionForLabelHeight(angle, textSize, position) {
+	if (angle === 90 || angle === 270) {
+		position.y -= (textSize.h / 2);
+	} else if (angle > 270 || angle < 90) {
+		position.y -= textSize.h;
+	}
+}
+
+function drawPointLabels(scale) {
+	var ctx = scale.ctx;
+	var opts = scale.options;
+	var pointLabelOpts = opts.pointLabels;
+	var tickBackdropHeight = getTickBackdropHeight(opts);
+	var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);
+	var plFont = helpers$1.options._parseFont(pointLabelOpts);
+
+	ctx.save();
+
+	ctx.font = plFont.string;
+	ctx.textBaseline = 'middle';
+
+	for (var i = scale.chart.data.labels.length - 1; i >= 0; i--) {
+		// Extra pixels out for some label spacing
+		var extra = (i === 0 ? tickBackdropHeight / 2 : 0);
+		var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5);
+
+		// Keep this in loop since we may support array properties here
+		var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor);
+		ctx.fillStyle = pointLabelFontColor;
+
+		var angleRadians = scale.getIndexAngle(i);
+		var angle = helpers$1.toDegrees(angleRadians);
+		ctx.textAlign = getTextAlignForAngle(angle);
+		adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);
+		fillText(ctx, scale.pointLabels[i], pointLabelPosition, plFont.lineHeight);
+	}
+	ctx.restore();
+}
+
+function drawRadiusLine(scale, gridLineOpts, radius, index) {
+	var ctx = scale.ctx;
+	var circular = gridLineOpts.circular;
+	var valueCount = scale.chart.data.labels.length;
+	var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1);
+	var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1);
+	var pointPosition;
+
+	if ((!circular && !valueCount) || !lineColor || !lineWidth) {
+		return;
+	}
+
+	ctx.save();
+	ctx.strokeStyle = lineColor;
+	ctx.lineWidth = lineWidth;
+	if (ctx.setLineDash) {
+		ctx.setLineDash(gridLineOpts.borderDash || []);
+		ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0;
+	}
+
+	ctx.beginPath();
+	if (circular) {
+		// Draw circular arcs between the points
+		ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);
+	} else {
+		// Draw straight lines connecting each index
+		pointPosition = scale.getPointPosition(0, radius);
+		ctx.moveTo(pointPosition.x, pointPosition.y);
+
+		for (var i = 1; i < valueCount; i++) {
+			pointPosition = scale.getPointPosition(i, radius);
+			ctx.lineTo(pointPosition.x, pointPosition.y);
+		}
+	}
+	ctx.closePath();
+	ctx.stroke();
+	ctx.restore();
+}
+
+function numberOrZero(param) {
+	return helpers$1.isNumber(param) ? param : 0;
+}
+
+var scale_radialLinear = scale_linearbase.extend({
+	setDimensions: function() {
+		var me = this;
+
+		// Set the unconstrained dimension before label rotation
+		me.width = me.maxWidth;
+		me.height = me.maxHeight;
+		me.paddingTop = getTickBackdropHeight(me.options) / 2;
+		me.xCenter = Math.floor(me.width / 2);
+		me.yCenter = Math.floor((me.height - me.paddingTop) / 2);
+		me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2;
+	},
+
+	determineDataLimits: function() {
+		var me = this;
+		var chart = me.chart;
+		var min = Number.POSITIVE_INFINITY;
+		var max = Number.NEGATIVE_INFINITY;
+
+		helpers$1.each(chart.data.datasets, function(dataset, datasetIndex) {
+			if (chart.isDatasetVisible(datasetIndex)) {
+				var meta = chart.getDatasetMeta(datasetIndex);
+
+				helpers$1.each(dataset.data, function(rawValue, index) {
+					var value = +me.getRightValue(rawValue);
+					if (isNaN(value) || meta.data[index].hidden) {
+						return;
+					}
+
+					min = Math.min(value, min);
+					max = Math.max(value, max);
+				});
+			}
+		});
+
+		me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);
+		me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);
+
+		// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
+		me.handleTickRangeOptions();
+	},
+
+	// Returns the maximum number of ticks based on the scale dimension
+	_computeTickLimit: function() {
+		return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));
+	},
+
+	convertTicksToLabels: function() {
+		var me = this;
+
+		scale_linearbase.prototype.convertTicksToLabels.call(me);
+
+		// Point labels
+		me.pointLabels = me.chart.data.labels.map(function() {
+			var label = helpers$1.callback(me.options.pointLabels.callback, arguments, me);
+			return label || label === 0 ? label : '';
+		});
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
+	},
+
+	fit: function() {
+		var me = this;
+		var opts = me.options;
+
+		if (opts.display && opts.pointLabels.display) {
+			fitWithPointLabels(me);
+		} else {
+			me.setCenterPoint(0, 0, 0, 0);
+		}
+	},
+
+	/**
+	 * Set radius reductions and determine new radius and center point
+	 * @private
+	 */
+	setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {
+		var me = this;
+		var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);
+		var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);
+		var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);
+		var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b);
+
+		radiusReductionLeft = numberOrZero(radiusReductionLeft);
+		radiusReductionRight = numberOrZero(radiusReductionRight);
+		radiusReductionTop = numberOrZero(radiusReductionTop);
+		radiusReductionBottom = numberOrZero(radiusReductionBottom);
+
+		me.drawingArea = Math.min(
+			Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),
+			Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));
+		me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);
+	},
+
+	setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {
+		var me = this;
+		var maxRight = me.width - rightMovement - me.drawingArea;
+		var maxLeft = leftMovement + me.drawingArea;
+		var maxTop = topMovement + me.drawingArea;
+		var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea;
+
+		me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left);
+		me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop);
+	},
+
+	getIndexAngle: function(index) {
+		var chart = this.chart;
+		var angleMultiplier = 360 / chart.data.labels.length;
+		var options = chart.options || {};
+		var startAngle = options.startAngle || 0;
+
+		// Start from the top instead of right, so remove a quarter of the circle
+		var angle = (index * angleMultiplier + startAngle) % 360;
+
+		return (angle < 0 ? angle + 360 : angle) * Math.PI * 2 / 360;
+	},
+
+	getDistanceFromCenterForValue: function(value) {
+		var me = this;
+
+		if (helpers$1.isNullOrUndef(value)) {
+			return NaN;
+		}
+
+		// Take into account half font size + the yPadding of the top value
+		var scalingFactor = me.drawingArea / (me.max - me.min);
+		if (me.options.ticks.reverse) {
+			return (me.max - value) * scalingFactor;
+		}
+		return (value - me.min) * scalingFactor;
+	},
+
+	getPointPosition: function(index, distanceFromCenter) {
+		var me = this;
+		var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);
+		return {
+			x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter,
+			y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter
+		};
+	},
+
+	getPointPositionForValue: function(index, value) {
+		return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
+	},
+
+	getBasePosition: function(index) {
+		var me = this;
+		var min = me.min;
+		var max = me.max;
+
+		return me.getPointPositionForValue(index || 0,
+			me.beginAtZero ? 0 :
+			min < 0 && max < 0 ? max :
+			min > 0 && max > 0 ? min :
+			0);
+	},
+
+	/**
+	 * @private
+	 */
+	_drawGrid: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var opts = me.options;
+		var gridLineOpts = opts.gridLines;
+		var angleLineOpts = opts.angleLines;
+		var lineWidth = valueOrDefault$c(angleLineOpts.lineWidth, gridLineOpts.lineWidth);
+		var lineColor = valueOrDefault$c(angleLineOpts.color, gridLineOpts.color);
+		var i, offset, position;
+
+		if (opts.pointLabels.display) {
+			drawPointLabels(me);
+		}
+
+		if (gridLineOpts.display) {
+			helpers$1.each(me.ticks, function(label, index) {
+				if (index !== 0) {
+					offset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);
+					drawRadiusLine(me, gridLineOpts, offset, index);
+				}
+			});
+		}
+
+		if (angleLineOpts.display && lineWidth && lineColor) {
+			ctx.save();
+			ctx.lineWidth = lineWidth;
+			ctx.strokeStyle = lineColor;
+			if (ctx.setLineDash) {
+				ctx.setLineDash(resolve$4([angleLineOpts.borderDash, gridLineOpts.borderDash, []]));
+				ctx.lineDashOffset = resolve$4([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]);
+			}
+
+			for (i = me.chart.data.labels.length - 1; i >= 0; i--) {
+				offset = me.getDistanceFromCenterForValue(opts.ticks.reverse ? me.min : me.max);
+				position = me.getPointPosition(i, offset);
+				ctx.beginPath();
+				ctx.moveTo(me.xCenter, me.yCenter);
+				ctx.lineTo(position.x, position.y);
+				ctx.stroke();
+			}
+
+			ctx.restore();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_drawLabels: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+
+		if (!tickOpts.display) {
+			return;
+		}
+
+		var startAngle = me.getIndexAngle(0);
+		var tickFont = helpers$1.options._parseFont(tickOpts);
+		var tickFontColor = valueOrDefault$c(tickOpts.fontColor, core_defaults.global.defaultFontColor);
+		var offset, width;
+
+		ctx.save();
+		ctx.font = tickFont.string;
+		ctx.translate(me.xCenter, me.yCenter);
+		ctx.rotate(startAngle);
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+
+		helpers$1.each(me.ticks, function(label, index) {
+			if (index === 0 && !tickOpts.reverse) {
+				return;
+			}
+
+			offset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);
+
+			if (tickOpts.showLabelBackdrop) {
+				width = ctx.measureText(label).width;
+				ctx.fillStyle = tickOpts.backdropColor;
+
+				ctx.fillRect(
+					-width / 2 - tickOpts.backdropPaddingX,
+					-offset - tickFont.size / 2 - tickOpts.backdropPaddingY,
+					width + tickOpts.backdropPaddingX * 2,
+					tickFont.size + tickOpts.backdropPaddingY * 2
+				);
+			}
+
+			ctx.fillStyle = tickFontColor;
+			ctx.fillText(label, 0, -offset);
+		});
+
+		ctx.restore();
+	},
+
+	/**
+	 * @private
+	 */
+	_drawTitle: helpers$1.noop
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$3 = defaultConfig$3;
+scale_radialLinear._defaults = _defaults$3;
+
+var deprecated$1 = helpers$1._deprecated;
+var resolve$5 = helpers$1.options.resolve;
+var valueOrDefault$d = helpers$1.valueOrDefault;
+
+// Integer constants are from the ES6 spec.
+var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;
+var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;
+
+var INTERVALS = {
+	millisecond: {
+		common: true,
+		size: 1,
+		steps: 1000
+	},
+	second: {
+		common: true,
+		size: 1000,
+		steps: 60
+	},
+	minute: {
+		common: true,
+		size: 60000,
+		steps: 60
+	},
+	hour: {
+		common: true,
+		size: 3600000,
+		steps: 24
+	},
+	day: {
+		common: true,
+		size: 86400000,
+		steps: 30
+	},
+	week: {
+		common: false,
+		size: 604800000,
+		steps: 4
+	},
+	month: {
+		common: true,
+		size: 2.628e9,
+		steps: 12
+	},
+	quarter: {
+		common: false,
+		size: 7.884e9,
+		steps: 4
+	},
+	year: {
+		common: true,
+		size: 3.154e10
+	}
+};
+
+var UNITS = Object.keys(INTERVALS);
+
+function sorter(a, b) {
+	return a - b;
+}
+
+function arrayUnique(items) {
+	var hash = {};
+	var out = [];
+	var i, ilen, item;
+
+	for (i = 0, ilen = items.length; i < ilen; ++i) {
+		item = items[i];
+		if (!hash[item]) {
+			hash[item] = true;
+			out.push(item);
+		}
+	}
+
+	return out;
+}
+
+function getMin(options) {
+	return helpers$1.valueOrDefault(options.time.min, options.ticks.min);
+}
+
+function getMax(options) {
+	return helpers$1.valueOrDefault(options.time.max, options.ticks.max);
+}
+
+/**
+ * Returns an array of {time, pos} objects used to interpolate a specific `time` or position
+ * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is
+ * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other
+ * extremity (left + width or top + height). Note that it would be more optimized to directly
+ * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need
+ * to create the lookup table. The table ALWAYS contains at least two items: min and max.
+ *
+ * @param {number[]} timestamps - timestamps sorted from lowest to highest.
+ * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min
+ * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.
+ * If 'series', timestamps will be positioned at the same distance from each other. In this
+ * case, only timestamps that break the time linearity are registered, meaning that in the
+ * best case, all timestamps are linear, the table contains only min and max.
+ */
+function buildLookupTable(timestamps, min, max, distribution) {
+	if (distribution === 'linear' || !timestamps.length) {
+		return [
+			{time: min, pos: 0},
+			{time: max, pos: 1}
+		];
+	}
+
+	var table = [];
+	var items = [min];
+	var i, ilen, prev, curr, next;
+
+	for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
+		curr = timestamps[i];
+		if (curr > min && curr < max) {
+			items.push(curr);
+		}
+	}
+
+	items.push(max);
+
+	for (i = 0, ilen = items.length; i < ilen; ++i) {
+		next = items[i + 1];
+		prev = items[i - 1];
+		curr = items[i];
+
+		// only add points that breaks the scale linearity
+		if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {
+			table.push({time: curr, pos: i / (ilen - 1)});
+		}
+	}
+
+	return table;
+}
+
+// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/
+function lookup(table, key, value) {
+	var lo = 0;
+	var hi = table.length - 1;
+	var mid, i0, i1;
+
+	while (lo >= 0 && lo <= hi) {
+		mid = (lo + hi) >> 1;
+		i0 = table[mid - 1] || null;
+		i1 = table[mid];
+
+		if (!i0) {
+			// given value is outside table (before first item)
+			return {lo: null, hi: i1};
+		} else if (i1[key] < value) {
+			lo = mid + 1;
+		} else if (i0[key] > value) {
+			hi = mid - 1;
+		} else {
+			return {lo: i0, hi: i1};
+		}
+	}
+
+	// given value is outside table (after last item)
+	return {lo: i1, hi: null};
+}
+
+/**
+ * Linearly interpolates the given source `value` using the table items `skey` values and
+ * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')
+ * returns the position for a timestamp equal to 42. If value is out of bounds, values at
+ * index [0, 1] or [n - 1, n] are used for the interpolation.
+ */
+function interpolate$1(table, skey, sval, tkey) {
+	var range = lookup(table, skey, sval);
+
+	// Note: the lookup table ALWAYS contains at least 2 items (min and max)
+	var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;
+	var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;
+
+	var span = next[skey] - prev[skey];
+	var ratio = span ? (sval - prev[skey]) / span : 0;
+	var offset = (next[tkey] - prev[tkey]) * ratio;
+
+	return prev[tkey] + offset;
+}
+
+function toTimestamp(scale, input) {
+	var adapter = scale._adapter;
+	var options = scale.options.time;
+	var parser = options.parser;
+	var format = parser || options.format;
+	var value = input;
+
+	if (typeof parser === 'function') {
+		value = parser(value);
+	}
+
+	// Only parse if its not a timestamp already
+	if (!helpers$1.isFinite(value)) {
+		value = typeof format === 'string'
+			? adapter.parse(value, format)
+			: adapter.parse(value);
+	}
+
+	if (value !== null) {
+		return +value;
+	}
+
+	// Labels are in an incompatible format and no `parser` has been provided.
+	// The user might still use the deprecated `format` option for parsing.
+	if (!parser && typeof format === 'function') {
+		value = format(input);
+
+		// `format` could return something else than a timestamp, if so, parse it
+		if (!helpers$1.isFinite(value)) {
+			value = adapter.parse(value);
+		}
+	}
+
+	return value;
+}
+
+function parse(scale, input) {
+	if (helpers$1.isNullOrUndef(input)) {
+		return null;
+	}
+
+	var options = scale.options.time;
+	var value = toTimestamp(scale, scale.getRightValue(input));
+	if (value === null) {
+		return value;
+	}
+
+	if (options.round) {
+		value = +scale._adapter.startOf(value, options.round);
+	}
+
+	return value;
+}
+
+/**
+ * Figures out what unit results in an appropriate number of auto-generated ticks
+ */
+function determineUnitForAutoTicks(minUnit, min, max, capacity) {
+	var ilen = UNITS.length;
+	var i, interval, factor;
+
+	for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {
+		interval = INTERVALS[UNITS[i]];
+		factor = interval.steps ? interval.steps : MAX_INTEGER;
+
+		if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {
+			return UNITS[i];
+		}
+	}
+
+	return UNITS[ilen - 1];
+}
+
+/**
+ * Figures out what unit to format a set of ticks with
+ */
+function determineUnitForFormatting(scale, numTicks, minUnit, min, max) {
+	var i, unit;
+
+	for (i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {
+		unit = UNITS[i];
+		if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {
+			return unit;
+		}
+	}
+
+	return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];
+}
+
+function determineMajorUnit(unit) {
+	for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {
+		if (INTERVALS[UNITS[i]].common) {
+			return UNITS[i];
+		}
+	}
+}
+
+/**
+ * Generates a maximum of `capacity` timestamps between min and max, rounded to the
+ * `minor` unit using the given scale time `options`.
+ * Important: this method can return ticks outside the min and max range, it's the
+ * responsibility of the calling code to clamp values if needed.
+ */
+function generate(scale, min, max, capacity) {
+	var adapter = scale._adapter;
+	var options = scale.options;
+	var timeOpts = options.time;
+	var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity);
+	var stepSize = resolve$5([timeOpts.stepSize, timeOpts.unitStepSize, 1]);
+	var weekday = minor === 'week' ? timeOpts.isoWeekday : false;
+	var first = min;
+	var ticks = [];
+	var time;
+
+	// For 'week' unit, handle the first day of week option
+	if (weekday) {
+		first = +adapter.startOf(first, 'isoWeek', weekday);
+	}
+
+	// Align first ticks on unit
+	first = +adapter.startOf(first, weekday ? 'day' : minor);
+
+	// Prevent browser from freezing in case user options request millions of milliseconds
+	if (adapter.diff(max, min, minor) > 100000 * stepSize) {
+		throw min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor;
+	}
+
+	for (time = first; time < max; time = +adapter.add(time, stepSize, minor)) {
+		ticks.push(time);
+	}
+
+	if (time === max || options.bounds === 'ticks') {
+		ticks.push(time);
+	}
+
+	return ticks;
+}
+
+/**
+ * Returns the start and end offsets from edges in the form of {start, end}
+ * where each value is a relative width to the scale and ranges between 0 and 1.
+ * They add extra margins on the both sides by scaling down the original scale.
+ * Offsets are added when the `offset` option is true.
+ */
+function computeOffsets(table, ticks, min, max, options) {
+	var start = 0;
+	var end = 0;
+	var first, last;
+
+	if (options.offset && ticks.length) {
+		first = interpolate$1(table, 'time', ticks[0], 'pos');
+		if (ticks.length === 1) {
+			start = 1 - first;
+		} else {
+			start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2;
+		}
+		last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos');
+		if (ticks.length === 1) {
+			end = last;
+		} else {
+			end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2;
+		}
+	}
+
+	return {start: start, end: end, factor: 1 / (start + 1 + end)};
+}
+
+function setMajorTicks(scale, ticks, map, majorUnit) {
+	var adapter = scale._adapter;
+	var first = +adapter.startOf(ticks[0].value, majorUnit);
+	var last = ticks[ticks.length - 1].value;
+	var major, index;
+
+	for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {
+		index = map[major];
+		if (index >= 0) {
+			ticks[index].major = true;
+		}
+	}
+	return ticks;
+}
+
+function ticksFromTimestamps(scale, values, majorUnit) {
+	var ticks = [];
+	var map = {};
+	var ilen = values.length;
+	var i, value;
+
+	for (i = 0; i < ilen; ++i) {
+		value = values[i];
+		map[value] = i;
+
+		ticks.push({
+			value: value,
+			major: false
+		});
+	}
+
+	// We set the major ticks separately from the above loop because calling startOf for every tick
+	// is expensive when there is a large number of ticks
+	return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit);
+}
+
+var defaultConfig$4 = {
+	position: 'bottom',
+
+	/**
+	 * Data distribution along the scale:
+	 * - 'linear': data are spread according to their time (distances can vary),
+	 * - 'series': data are spread at the same distance from each other.
+	 * @see https://github.com/chartjs/Chart.js/pull/4507
+	 * @since 2.7.0
+	 */
+	distribution: 'linear',
+
+	/**
+	 * Scale boundary strategy (bypassed by min/max time options)
+	 * - `data`: make sure data are fully visible, ticks outside are removed
+	 * - `ticks`: make sure ticks are fully visible, data outside are truncated
+	 * @see https://github.com/chartjs/Chart.js/pull/4556
+	 * @since 2.7.0
+	 */
+	bounds: 'data',
+
+	adapters: {},
+	time: {
+		parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment
+		unit: false, // false == automatic or override with week, month, year, etc.
+		round: false, // none, or override with week, month, year, etc.
+		displayFormat: false, // DEPRECATED
+		isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/
+		minUnit: 'millisecond',
+		displayFormats: {}
+	},
+	ticks: {
+		autoSkip: false,
+
+		/**
+		 * Ticks generation input values:
+		 * - 'auto': generates "optimal" ticks based on scale size and time options.
+		 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).
+		 * - 'labels': generates ticks from user given `data.labels` values ONLY.
+		 * @see https://github.com/chartjs/Chart.js/pull/4507
+		 * @since 2.7.0
+		 */
+		source: 'auto',
+
+		major: {
+			enabled: false
+		}
+	}
+};
+
+var scale_time = core_scale.extend({
+	initialize: function() {
+		this.mergeTicksOptions();
+		core_scale.prototype.initialize.call(this);
+	},
+
+	update: function() {
+		var me = this;
+		var options = me.options;
+		var time = options.time || (options.time = {});
+		var adapter = me._adapter = new core_adapters._date(options.adapters.date);
+
+		// DEPRECATIONS: output a message only one time per update
+		deprecated$1('time scale', time.format, 'time.format', 'time.parser');
+		deprecated$1('time scale', time.min, 'time.min', 'ticks.min');
+		deprecated$1('time scale', time.max, 'time.max', 'ticks.max');
+
+		// Backward compatibility: before introducing adapter, `displayFormats` was
+		// supposed to contain *all* unit/string pairs but this can't be resolved
+		// when loading the scale (adapters are loaded afterward), so let's populate
+		// missing formats on update
+		helpers$1.mergeIf(time.displayFormats, adapter.formats());
+
+		return core_scale.prototype.update.apply(me, arguments);
+	},
+
+	/**
+	 * Allows data to be referenced via 't' attribute
+	 */
+	getRightValue: function(rawValue) {
+		if (rawValue && rawValue.t !== undefined) {
+			rawValue = rawValue.t;
+		}
+		return core_scale.prototype.getRightValue.call(this, rawValue);
+	},
+
+	determineDataLimits: function() {
+		var me = this;
+		var chart = me.chart;
+		var adapter = me._adapter;
+		var options = me.options;
+		var unit = options.time.unit || 'day';
+		var min = MAX_INTEGER;
+		var max = MIN_INTEGER;
+		var timestamps = [];
+		var datasets = [];
+		var labels = [];
+		var i, j, ilen, jlen, data, timestamp, labelsAdded;
+		var dataLabels = me._getLabels();
+
+		for (i = 0, ilen = dataLabels.length; i < ilen; ++i) {
+			labels.push(parse(me, dataLabels[i]));
+		}
+
+		for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+			if (chart.isDatasetVisible(i)) {
+				data = chart.data.datasets[i].data;
+
+				// Let's consider that all data have the same format.
+				if (helpers$1.isObject(data[0])) {
+					datasets[i] = [];
+
+					for (j = 0, jlen = data.length; j < jlen; ++j) {
+						timestamp = parse(me, data[j]);
+						timestamps.push(timestamp);
+						datasets[i][j] = timestamp;
+					}
+				} else {
+					datasets[i] = labels.slice(0);
+					if (!labelsAdded) {
+						timestamps = timestamps.concat(labels);
+						labelsAdded = true;
+					}
+				}
+			} else {
+				datasets[i] = [];
+			}
+		}
+
+		if (labels.length) {
+			min = Math.min(min, labels[0]);
+			max = Math.max(max, labels[labels.length - 1]);
+		}
+
+		if (timestamps.length) {
+			timestamps = ilen > 1 ? arrayUnique(timestamps).sort(sorter) : timestamps.sort(sorter);
+			min = Math.min(min, timestamps[0]);
+			max = Math.max(max, timestamps[timestamps.length - 1]);
+		}
+
+		min = parse(me, getMin(options)) || min;
+		max = parse(me, getMax(options)) || max;
+
+		// In case there is no valid min/max, set limits based on unit time option
+		min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min;
+		max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max;
+
+		// Make sure that max is strictly higher than min (required by the lookup table)
+		me.min = Math.min(min, max);
+		me.max = Math.max(min + 1, max);
+
+		// PRIVATE
+		me._table = [];
+		me._timestamps = {
+			data: timestamps,
+			datasets: datasets,
+			labels: labels
+		};
+	},
+
+	buildTicks: function() {
+		var me = this;
+		var min = me.min;
+		var max = me.max;
+		var options = me.options;
+		var tickOpts = options.ticks;
+		var timeOpts = options.time;
+		var timestamps = me._timestamps;
+		var ticks = [];
+		var capacity = me.getLabelCapacity(min);
+		var source = tickOpts.source;
+		var distribution = options.distribution;
+		var i, ilen, timestamp;
+
+		if (source === 'data' || (source === 'auto' && distribution === 'series')) {
+			timestamps = timestamps.data;
+		} else if (source === 'labels') {
+			timestamps = timestamps.labels;
+		} else {
+			timestamps = generate(me, min, max, capacity);
+		}
+
+		if (options.bounds === 'ticks' && timestamps.length) {
+			min = timestamps[0];
+			max = timestamps[timestamps.length - 1];
+		}
+
+		// Enforce limits with user min/max options
+		min = parse(me, getMin(options)) || min;
+		max = parse(me, getMax(options)) || max;
+
+		// Remove ticks outside the min/max range
+		for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
+			timestamp = timestamps[i];
+			if (timestamp >= min && timestamp <= max) {
+				ticks.push(timestamp);
+			}
+		}
+
+		me.min = min;
+		me.max = max;
+
+		// PRIVATE
+		// determineUnitForFormatting relies on the number of ticks so we don't use it when
+		// autoSkip is enabled because we don't yet know what the final number of ticks will be
+		me._unit = timeOpts.unit || (tickOpts.autoSkip
+			? determineUnitForAutoTicks(timeOpts.minUnit, me.min, me.max, capacity)
+			: determineUnitForFormatting(me, ticks.length, timeOpts.minUnit, me.min, me.max));
+		me._majorUnit = !tickOpts.major.enabled || me._unit === 'year' ? undefined
+			: determineMajorUnit(me._unit);
+		me._table = buildLookupTable(me._timestamps.data, min, max, distribution);
+		me._offsets = computeOffsets(me._table, ticks, min, max, options);
+
+		if (tickOpts.reverse) {
+			ticks.reverse();
+		}
+
+		return ticksFromTimestamps(me, ticks, me._majorUnit);
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		var me = this;
+		var adapter = me._adapter;
+		var data = me.chart.data;
+		var timeOpts = me.options.time;
+		var label = data.labels && index < data.labels.length ? data.labels[index] : '';
+		var value = data.datasets[datasetIndex].data[index];
+
+		if (helpers$1.isObject(value)) {
+			label = me.getRightValue(value);
+		}
+		if (timeOpts.tooltipFormat) {
+			return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat);
+		}
+		if (typeof label === 'string') {
+			return label;
+		}
+		return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime);
+	},
+
+	/**
+	 * Function to format an individual tick mark
+	 * @private
+	 */
+	tickFormatFunction: function(time, index, ticks, format) {
+		var me = this;
+		var adapter = me._adapter;
+		var options = me.options;
+		var formats = options.time.displayFormats;
+		var minorFormat = formats[me._unit];
+		var majorUnit = me._majorUnit;
+		var majorFormat = formats[majorUnit];
+		var tick = ticks[index];
+		var tickOpts = options.ticks;
+		var major = majorUnit && majorFormat && tick && tick.major;
+		var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat);
+		var nestedTickOpts = major ? tickOpts.major : tickOpts.minor;
+		var formatter = resolve$5([
+			nestedTickOpts.callback,
+			nestedTickOpts.userCallback,
+			tickOpts.callback,
+			tickOpts.userCallback
+		]);
+
+		return formatter ? formatter(label, index, ticks) : label;
+	},
+
+	convertTicksToLabels: function(ticks) {
+		var labels = [];
+		var i, ilen;
+
+		for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+			labels.push(this.tickFormatFunction(ticks[i].value, i, ticks));
+		}
+
+		return labels;
+	},
+
+	/**
+	 * @private
+	 */
+	getPixelForOffset: function(time) {
+		var me = this;
+		var offsets = me._offsets;
+		var pos = interpolate$1(me._table, 'time', time, 'pos');
+		return me.getPixelForDecimal((offsets.start + pos) * offsets.factor);
+	},
+
+	getPixelForValue: function(value, index, datasetIndex) {
+		var me = this;
+		var time = null;
+
+		if (index !== undefined && datasetIndex !== undefined) {
+			time = me._timestamps.datasets[datasetIndex][index];
+		}
+
+		if (time === null) {
+			time = parse(me, value);
+		}
+
+		if (time !== null) {
+			return me.getPixelForOffset(time);
+		}
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.getTicks();
+		return index >= 0 && index < ticks.length ?
+			this.getPixelForOffset(ticks[index].value) :
+			null;
+	},
+
+	getValueForPixel: function(pixel) {
+		var me = this;
+		var offsets = me._offsets;
+		var pos = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end;
+		var time = interpolate$1(me._table, 'pos', pos, 'time');
+
+		// DEPRECATION, we should return time directly
+		return me._adapter._create(time);
+	},
+
+	/**
+	 * @private
+	 */
+	_getLabelSize: function(label) {
+		var me = this;
+		var ticksOpts = me.options.ticks;
+		var tickLabelWidth = me.ctx.measureText(label).width;
+		var angle = helpers$1.toRadians(me.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);
+		var cosRotation = Math.cos(angle);
+		var sinRotation = Math.sin(angle);
+		var tickFontSize = valueOrDefault$d(ticksOpts.fontSize, core_defaults.global.defaultFontSize);
+
+		return {
+			w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation),
+			h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation)
+		};
+	},
+
+	/**
+	 * Crude approximation of what the label width might be
+	 * @private
+	 */
+	getLabelWidth: function(label) {
+		return this._getLabelSize(label).w;
+	},
+
+	/**
+	 * @private
+	 */
+	getLabelCapacity: function(exampleTime) {
+		var me = this;
+		var timeOpts = me.options.time;
+		var displayFormats = timeOpts.displayFormats;
+
+		// pick the longest format (milliseconds) for guestimation
+		var format = displayFormats[timeOpts.unit] || displayFormats.millisecond;
+		var exampleLabel = me.tickFormatFunction(exampleTime, 0, ticksFromTimestamps(me, [exampleTime], me._majorUnit), format);
+		var size = me._getLabelSize(exampleLabel);
+		var capacity = Math.floor(me.isHorizontal() ? me.width / size.w : me.height / size.h);
+
+		if (me.options.offset) {
+			capacity--;
+		}
+
+		return capacity > 0 ? capacity : 1;
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$4 = defaultConfig$4;
+scale_time._defaults = _defaults$4;
+
+var scales = {
+	category: scale_category,
+	linear: scale_linear,
+	logarithmic: scale_logarithmic,
+	radialLinear: scale_radialLinear,
+	time: scale_time
+};
+
+var moment = createCommonjsModule(function (module, exports) {
+(function (global, factory) {
+     module.exports = factory() ;
+}(commonjsGlobal, (function () {
+    var hookCallback;
+
+    function hooks () {
+        return hookCallback.apply(null, arguments);
+    }
+
+    // This is done to register the method called with moment()
+    // without creating circular dependencies.
+    function setHookCallback (callback) {
+        hookCallback = callback;
+    }
+
+    function isArray(input) {
+        return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
+    }
+
+    function isObject(input) {
+        // IE8 will treat undefined and null as object if it wasn't for
+        // input != null
+        return input != null && Object.prototype.toString.call(input) === '[object Object]';
+    }
+
+    function isObjectEmpty(obj) {
+        if (Object.getOwnPropertyNames) {
+            return (Object.getOwnPropertyNames(obj).length === 0);
+        } else {
+            var k;
+            for (k in obj) {
+                if (obj.hasOwnProperty(k)) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+
+    function isUndefined(input) {
+        return input === void 0;
+    }
+
+    function isNumber(input) {
+        return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';
+    }
+
+    function isDate(input) {
+        return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
+    }
+
+    function map(arr, fn) {
+        var res = [], i;
+        for (i = 0; i < arr.length; ++i) {
+            res.push(fn(arr[i], i));
+        }
+        return res;
+    }
+
+    function hasOwnProp(a, b) {
+        return Object.prototype.hasOwnProperty.call(a, b);
+    }
+
+    function extend(a, b) {
+        for (var i in b) {
+            if (hasOwnProp(b, i)) {
+                a[i] = b[i];
+            }
+        }
+
+        if (hasOwnProp(b, 'toString')) {
+            a.toString = b.toString;
+        }
+
+        if (hasOwnProp(b, 'valueOf')) {
+            a.valueOf = b.valueOf;
+        }
+
+        return a;
+    }
+
+    function createUTC (input, format, locale, strict) {
+        return createLocalOrUTC(input, format, locale, strict, true).utc();
+    }
+
+    function defaultParsingFlags() {
+        // We need to deep clone this object.
+        return {
+            empty           : false,
+            unusedTokens    : [],
+            unusedInput     : [],
+            overflow        : -2,
+            charsLeftOver   : 0,
+            nullInput       : false,
+            invalidMonth    : null,
+            invalidFormat   : false,
+            userInvalidated : false,
+            iso             : false,
+            parsedDateParts : [],
+            meridiem        : null,
+            rfc2822         : false,
+            weekdayMismatch : false
+        };
+    }
+
+    function getParsingFlags(m) {
+        if (m._pf == null) {
+            m._pf = defaultParsingFlags();
+        }
+        return m._pf;
+    }
+
+    var some;
+    if (Array.prototype.some) {
+        some = Array.prototype.some;
+    } else {
+        some = function (fun) {
+            var t = Object(this);
+            var len = t.length >>> 0;
+
+            for (var i = 0; i < len; i++) {
+                if (i in t && fun.call(this, t[i], i, t)) {
+                    return true;
+                }
+            }
+
+            return false;
+        };
+    }
+
+    function isValid(m) {
+        if (m._isValid == null) {
+            var flags = getParsingFlags(m);
+            var parsedParts = some.call(flags.parsedDateParts, function (i) {
+                return i != null;
+            });
+            var isNowValid = !isNaN(m._d.getTime()) &&
+                flags.overflow < 0 &&
+                !flags.empty &&
+                !flags.invalidMonth &&
+                !flags.invalidWeekday &&
+                !flags.weekdayMismatch &&
+                !flags.nullInput &&
+                !flags.invalidFormat &&
+                !flags.userInvalidated &&
+                (!flags.meridiem || (flags.meridiem && parsedParts));
+
+            if (m._strict) {
+                isNowValid = isNowValid &&
+                    flags.charsLeftOver === 0 &&
+                    flags.unusedTokens.length === 0 &&
+                    flags.bigHour === undefined;
+            }
+
+            if (Object.isFrozen == null || !Object.isFrozen(m)) {
+                m._isValid = isNowValid;
+            }
+            else {
+                return isNowValid;
+            }
+        }
+        return m._isValid;
+    }
+
+    function createInvalid (flags) {
+        var m = createUTC(NaN);
+        if (flags != null) {
+            extend(getParsingFlags(m), flags);
+        }
+        else {
+            getParsingFlags(m).userInvalidated = true;
+        }
+
+        return m;
+    }
+
+    // Plugins that add properties should also add the key here (null value),
+    // so we can properly clone ourselves.
+    var momentProperties = hooks.momentProperties = [];
+
+    function copyConfig(to, from) {
+        var i, prop, val;
+
+        if (!isUndefined(from._isAMomentObject)) {
+            to._isAMomentObject = from._isAMomentObject;
+        }
+        if (!isUndefined(from._i)) {
+            to._i = from._i;
+        }
+        if (!isUndefined(from._f)) {
+            to._f = from._f;
+        }
+        if (!isUndefined(from._l)) {
+            to._l = from._l;
+        }
+        if (!isUndefined(from._strict)) {
+            to._strict = from._strict;
+        }
+        if (!isUndefined(from._tzm)) {
+            to._tzm = from._tzm;
+        }
+        if (!isUndefined(from._isUTC)) {
+            to._isUTC = from._isUTC;
+        }
+        if (!isUndefined(from._offset)) {
+            to._offset = from._offset;
+        }
+        if (!isUndefined(from._pf)) {
+            to._pf = getParsingFlags(from);
+        }
+        if (!isUndefined(from._locale)) {
+            to._locale = from._locale;
+        }
+
+        if (momentProperties.length > 0) {
+            for (i = 0; i < momentProperties.length; i++) {
+                prop = momentProperties[i];
+                val = from[prop];
+                if (!isUndefined(val)) {
+                    to[prop] = val;
+                }
+            }
+        }
+
+        return to;
+    }
+
+    var updateInProgress = false;
+
+    // Moment prototype object
+    function Moment(config) {
+        copyConfig(this, config);
+        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
+        if (!this.isValid()) {
+            this._d = new Date(NaN);
+        }
+        // Prevent infinite loop in case updateOffset creates new moment
+        // objects.
+        if (updateInProgress === false) {
+            updateInProgress = true;
+            hooks.updateOffset(this);
+            updateInProgress = false;
+        }
+    }
+
+    function isMoment (obj) {
+        return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
+    }
+
+    function absFloor (number) {
+        if (number < 0) {
+            // -0 -> 0
+            return Math.ceil(number) || 0;
+        } else {
+            return Math.floor(number);
+        }
+    }
+
+    function toInt(argumentForCoercion) {
+        var coercedNumber = +argumentForCoercion,
+            value = 0;
+
+        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
+            value = absFloor(coercedNumber);
+        }
+
+        return value;
+    }
+
+    // compare two arrays, return the number of differences
+    function compareArrays(array1, array2, dontConvert) {
+        var len = Math.min(array1.length, array2.length),
+            lengthDiff = Math.abs(array1.length - array2.length),
+            diffs = 0,
+            i;
+        for (i = 0; i < len; i++) {
+            if ((dontConvert && array1[i] !== array2[i]) ||
+                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
+                diffs++;
+            }
+        }
+        return diffs + lengthDiff;
+    }
+
+    function warn(msg) {
+        if (hooks.suppressDeprecationWarnings === false &&
+                (typeof console !==  'undefined') && console.warn) {
+            console.warn('Deprecation warning: ' + msg);
+        }
+    }
+
+    function deprecate(msg, fn) {
+        var firstTime = true;
+
+        return extend(function () {
+            if (hooks.deprecationHandler != null) {
+                hooks.deprecationHandler(null, msg);
+            }
+            if (firstTime) {
+                var args = [];
+                var arg;
+                for (var i = 0; i < arguments.length; i++) {
+                    arg = '';
+                    if (typeof arguments[i] === 'object') {
+                        arg += '\n[' + i + '] ';
+                        for (var key in arguments[0]) {
+                            arg += key + ': ' + arguments[0][key] + ', ';
+                        }
+                        arg = arg.slice(0, -2); // Remove trailing comma and space
+                    } else {
+                        arg = arguments[i];
+                    }
+                    args.push(arg);
+                }
+                warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack);
+                firstTime = false;
+            }
+            return fn.apply(this, arguments);
+        }, fn);
+    }
+
+    var deprecations = {};
+
+    function deprecateSimple(name, msg) {
+        if (hooks.deprecationHandler != null) {
+            hooks.deprecationHandler(name, msg);
+        }
+        if (!deprecations[name]) {
+            warn(msg);
+            deprecations[name] = true;
+        }
+    }
+
+    hooks.suppressDeprecationWarnings = false;
+    hooks.deprecationHandler = null;
+
+    function isFunction(input) {
+        return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
+    }
+
+    function set (config) {
+        var prop, i;
+        for (i in config) {
+            prop = config[i];
+            if (isFunction(prop)) {
+                this[i] = prop;
+            } else {
+                this['_' + i] = prop;
+            }
+        }
+        this._config = config;
+        // Lenient ordinal parsing accepts just a number in addition to
+        // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
+        // TODO: Remove "ordinalParse" fallback in next major release.
+        this._dayOfMonthOrdinalParseLenient = new RegExp(
+            (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
+                '|' + (/\d{1,2}/).source);
+    }
+
+    function mergeConfigs(parentConfig, childConfig) {
+        var res = extend({}, parentConfig), prop;
+        for (prop in childConfig) {
+            if (hasOwnProp(childConfig, prop)) {
+                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
+                    res[prop] = {};
+                    extend(res[prop], parentConfig[prop]);
+                    extend(res[prop], childConfig[prop]);
+                } else if (childConfig[prop] != null) {
+                    res[prop] = childConfig[prop];
+                } else {
+                    delete res[prop];
+                }
+            }
+        }
+        for (prop in parentConfig) {
+            if (hasOwnProp(parentConfig, prop) &&
+                    !hasOwnProp(childConfig, prop) &&
+                    isObject(parentConfig[prop])) {
+                // make sure changes to properties don't modify parent config
+                res[prop] = extend({}, res[prop]);
+            }
+        }
+        return res;
+    }
+
+    function Locale(config) {
+        if (config != null) {
+            this.set(config);
+        }
+    }
+
+    var keys;
+
+    if (Object.keys) {
+        keys = Object.keys;
+    } else {
+        keys = function (obj) {
+            var i, res = [];
+            for (i in obj) {
+                if (hasOwnProp(obj, i)) {
+                    res.push(i);
+                }
+            }
+            return res;
+        };
+    }
+
+    var defaultCalendar = {
+        sameDay : '[Today at] LT',
+        nextDay : '[Tomorrow at] LT',
+        nextWeek : 'dddd [at] LT',
+        lastDay : '[Yesterday at] LT',
+        lastWeek : '[Last] dddd [at] LT',
+        sameElse : 'L'
+    };
+
+    function calendar (key, mom, now) {
+        var output = this._calendar[key] || this._calendar['sameElse'];
+        return isFunction(output) ? output.call(mom, now) : output;
+    }
+
+    var defaultLongDateFormat = {
+        LTS  : 'h:mm:ss A',
+        LT   : 'h:mm A',
+        L    : 'MM/DD/YYYY',
+        LL   : 'MMMM D, YYYY',
+        LLL  : 'MMMM D, YYYY h:mm A',
+        LLLL : 'dddd, MMMM D, YYYY h:mm A'
+    };
+
+    function longDateFormat (key) {
+        var format = this._longDateFormat[key],
+            formatUpper = this._longDateFormat[key.toUpperCase()];
+
+        if (format || !formatUpper) {
+            return format;
+        }
+
+        this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
+            return val.slice(1);
+        });
+
+        return this._longDateFormat[key];
+    }
+
+    var defaultInvalidDate = 'Invalid date';
+
+    function invalidDate () {
+        return this._invalidDate;
+    }
+
+    var defaultOrdinal = '%d';
+    var defaultDayOfMonthOrdinalParse = /\d{1,2}/;
+
+    function ordinal (number) {
+        return this._ordinal.replace('%d', number);
+    }
+
+    var defaultRelativeTime = {
+        future : 'in %s',
+        past   : '%s ago',
+        s  : 'a few seconds',
+        ss : '%d seconds',
+        m  : 'a minute',
+        mm : '%d minutes',
+        h  : 'an hour',
+        hh : '%d hours',
+        d  : 'a day',
+        dd : '%d days',
+        M  : 'a month',
+        MM : '%d months',
+        y  : 'a year',
+        yy : '%d years'
+    };
+
+    function relativeTime (number, withoutSuffix, string, isFuture) {
+        var output = this._relativeTime[string];
+        return (isFunction(output)) ?
+            output(number, withoutSuffix, string, isFuture) :
+            output.replace(/%d/i, number);
+    }
+
+    function pastFuture (diff, output) {
+        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
+        return isFunction(format) ? format(output) : format.replace(/%s/i, output);
+    }
+
+    var aliases = {};
+
+    function addUnitAlias (unit, shorthand) {
+        var lowerCase = unit.toLowerCase();
+        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
+    }
+
+    function normalizeUnits(units) {
+        return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
+    }
+
+    function normalizeObjectUnits(inputObject) {
+        var normalizedInput = {},
+            normalizedProp,
+            prop;
+
+        for (prop in inputObject) {
+            if (hasOwnProp(inputObject, prop)) {
+                normalizedProp = normalizeUnits(prop);
+                if (normalizedProp) {
+                    normalizedInput[normalizedProp] = inputObject[prop];
+                }
+            }
+        }
+
+        return normalizedInput;
+    }
+
+    var priorities = {};
+
+    function addUnitPriority(unit, priority) {
+        priorities[unit] = priority;
+    }
+
+    function getPrioritizedUnits(unitsObj) {
+        var units = [];
+        for (var u in unitsObj) {
+            units.push({unit: u, priority: priorities[u]});
+        }
+        units.sort(function (a, b) {
+            return a.priority - b.priority;
+        });
+        return units;
+    }
+
+    function zeroFill(number, targetLength, forceSign) {
+        var absNumber = '' + Math.abs(number),
+            zerosToFill = targetLength - absNumber.length,
+            sign = number >= 0;
+        return (sign ? (forceSign ? '+' : '') : '-') +
+            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
+    }
+
+    var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;
+
+    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
+
+    var formatFunctions = {};
+
+    var formatTokenFunctions = {};
+
+    // token:    'M'
+    // padded:   ['MM', 2]
+    // ordinal:  'Mo'
+    // callback: function () { this.month() + 1 }
+    function addFormatToken (token, padded, ordinal, callback) {
+        var func = callback;
+        if (typeof callback === 'string') {
+            func = function () {
+                return this[callback]();
+            };
+        }
+        if (token) {
+            formatTokenFunctions[token] = func;
+        }
+        if (padded) {
+            formatTokenFunctions[padded[0]] = function () {
+                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
+            };
+        }
+        if (ordinal) {
+            formatTokenFunctions[ordinal] = function () {
+                return this.localeData().ordinal(func.apply(this, arguments), token);
+            };
+        }
+    }
+
+    function removeFormattingTokens(input) {
+        if (input.match(/\[[\s\S]/)) {
+            return input.replace(/^\[|\]$/g, '');
+        }
+        return input.replace(/\\/g, '');
+    }
+
+    function makeFormatFunction(format) {
+        var array = format.match(formattingTokens), i, length;
+
+        for (i = 0, length = array.length; i < length; i++) {
+            if (formatTokenFunctions[array[i]]) {
+                array[i] = formatTokenFunctions[array[i]];
+            } else {
+                array[i] = removeFormattingTokens(array[i]);
+            }
+        }
+
+        return function (mom) {
+            var output = '', i;
+            for (i = 0; i < length; i++) {
+                output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];
+            }
+            return output;
+        };
+    }
+
+    // format date using native date object
+    function formatMoment(m, format) {
+        if (!m.isValid()) {
+            return m.localeData().invalidDate();
+        }
+
+        format = expandFormat(format, m.localeData());
+        formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);
+
+        return formatFunctions[format](m);
+    }
+
+    function expandFormat(format, locale) {
+        var i = 5;
+
+        function replaceLongDateFormatTokens(input) {
+            return locale.longDateFormat(input) || input;
+        }
+
+        localFormattingTokens.lastIndex = 0;
+        while (i >= 0 && localFormattingTokens.test(format)) {
+            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
+            localFormattingTokens.lastIndex = 0;
+            i -= 1;
+        }
+
+        return format;
+    }
+
+    var match1         = /\d/;            //       0 - 9
+    var match2         = /\d\d/;          //      00 - 99
+    var match3         = /\d{3}/;         //     000 - 999
+    var match4         = /\d{4}/;         //    0000 - 9999
+    var match6         = /[+-]?\d{6}/;    // -999999 - 999999
+    var match1to2      = /\d\d?/;         //       0 - 99
+    var match3to4      = /\d\d\d\d?/;     //     999 - 9999
+    var match5to6      = /\d\d\d\d\d\d?/; //   99999 - 999999
+    var match1to3      = /\d{1,3}/;       //       0 - 999
+    var match1to4      = /\d{1,4}/;       //       0 - 9999
+    var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999
+
+    var matchUnsigned  = /\d+/;           //       0 - inf
+    var matchSigned    = /[+-]?\d+/;      //    -inf - inf
+
+    var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
+    var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z
+
+    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123
+
+    // any word (or two) characters or numbers including two/three word month in arabic.
+    // includes scottish gaelic two word and hyphenated months
+    var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i;
+
+    var regexes = {};
+
+    function addRegexToken (token, regex, strictRegex) {
+        regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
+            return (isStrict && strictRegex) ? strictRegex : regex;
+        };
+    }
+
+    function getParseRegexForToken (token, config) {
+        if (!hasOwnProp(regexes, token)) {
+            return new RegExp(unescapeFormat(token));
+        }
+
+        return regexes[token](config._strict, config._locale);
+    }
+
+    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
+    function unescapeFormat(s) {
+        return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
+            return p1 || p2 || p3 || p4;
+        }));
+    }
+
+    function regexEscape(s) {
+        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+    }
+
+    var tokens = {};
+
+    function addParseToken (token, callback) {
+        var i, func = callback;
+        if (typeof token === 'string') {
+            token = [token];
+        }
+        if (isNumber(callback)) {
+            func = function (input, array) {
+                array[callback] = toInt(input);
+            };
+        }
+        for (i = 0; i < token.length; i++) {
+            tokens[token[i]] = func;
+        }
+    }
+
+    function addWeekParseToken (token, callback) {
+        addParseToken(token, function (input, array, config, token) {
+            config._w = config._w || {};
+            callback(input, config._w, config, token);
+        });
+    }
+
+    function addTimeToArrayFromToken(token, input, config) {
+        if (input != null && hasOwnProp(tokens, token)) {
+            tokens[token](input, config._a, config, token);
+        }
+    }
+
+    var YEAR = 0;
+    var MONTH = 1;
+    var DATE = 2;
+    var HOUR = 3;
+    var MINUTE = 4;
+    var SECOND = 5;
+    var MILLISECOND = 6;
+    var WEEK = 7;
+    var WEEKDAY = 8;
+
+    // FORMATTING
+
+    addFormatToken('Y', 0, 0, function () {
+        var y = this.year();
+        return y <= 9999 ? '' + y : '+' + y;
+    });
+
+    addFormatToken(0, ['YY', 2], 0, function () {
+        return this.year() % 100;
+    });
+
+    addFormatToken(0, ['YYYY',   4],       0, 'year');
+    addFormatToken(0, ['YYYYY',  5],       0, 'year');
+    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
+
+    // ALIASES
+
+    addUnitAlias('year', 'y');
+
+    // PRIORITIES
+
+    addUnitPriority('year', 1);
+
+    // PARSING
+
+    addRegexToken('Y',      matchSigned);
+    addRegexToken('YY',     match1to2, match2);
+    addRegexToken('YYYY',   match1to4, match4);
+    addRegexToken('YYYYY',  match1to6, match6);
+    addRegexToken('YYYYYY', match1to6, match6);
+
+    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
+    addParseToken('YYYY', function (input, array) {
+        array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
+    });
+    addParseToken('YY', function (input, array) {
+        array[YEAR] = hooks.parseTwoDigitYear(input);
+    });
+    addParseToken('Y', function (input, array) {
+        array[YEAR] = parseInt(input, 10);
+    });
+
+    // HELPERS
+
+    function daysInYear(year) {
+        return isLeapYear(year) ? 366 : 365;
+    }
+
+    function isLeapYear(year) {
+        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
+    }
+
+    // HOOKS
+
+    hooks.parseTwoDigitYear = function (input) {
+        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
+    };
+
+    // MOMENTS
+
+    var getSetYear = makeGetSet('FullYear', true);
+
+    function getIsLeapYear () {
+        return isLeapYear(this.year());
+    }
+
+    function makeGetSet (unit, keepTime) {
+        return function (value) {
+            if (value != null) {
+                set$1(this, unit, value);
+                hooks.updateOffset(this, keepTime);
+                return this;
+            } else {
+                return get(this, unit);
+            }
+        };
+    }
+
+    function get (mom, unit) {
+        return mom.isValid() ?
+            mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
+    }
+
+    function set$1 (mom, unit, value) {
+        if (mom.isValid() && !isNaN(value)) {
+            if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) {
+                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month()));
+            }
+            else {
+                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
+            }
+        }
+    }
+
+    // MOMENTS
+
+    function stringGet (units) {
+        units = normalizeUnits(units);
+        if (isFunction(this[units])) {
+            return this[units]();
+        }
+        return this;
+    }
+
+
+    function stringSet (units, value) {
+        if (typeof units === 'object') {
+            units = normalizeObjectUnits(units);
+            var prioritized = getPrioritizedUnits(units);
+            for (var i = 0; i < prioritized.length; i++) {
+                this[prioritized[i].unit](units[prioritized[i].unit]);
+            }
+        } else {
+            units = normalizeUnits(units);
+            if (isFunction(this[units])) {
+                return this[units](value);
+            }
+        }
+        return this;
+    }
+
+    function mod(n, x) {
+        return ((n % x) + x) % x;
+    }
+
+    var indexOf;
+
+    if (Array.prototype.indexOf) {
+        indexOf = Array.prototype.indexOf;
+    } else {
+        indexOf = function (o) {
+            // I know
+            var i;
+            for (i = 0; i < this.length; ++i) {
+                if (this[i] === o) {
+                    return i;
+                }
+            }
+            return -1;
+        };
+    }
+
+    function daysInMonth(year, month) {
+        if (isNaN(year) || isNaN(month)) {
+            return NaN;
+        }
+        var modMonth = mod(month, 12);
+        year += (month - modMonth) / 12;
+        return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2);
+    }
+
+    // FORMATTING
+
+    addFormatToken('M', ['MM', 2], 'Mo', function () {
+        return this.month() + 1;
+    });
+
+    addFormatToken('MMM', 0, 0, function (format) {
+        return this.localeData().monthsShort(this, format);
+    });
+
+    addFormatToken('MMMM', 0, 0, function (format) {
+        return this.localeData().months(this, format);
+    });
+
+    // ALIASES
+
+    addUnitAlias('month', 'M');
+
+    // PRIORITY
+
+    addUnitPriority('month', 8);
+
+    // PARSING
+
+    addRegexToken('M',    match1to2);
+    addRegexToken('MM',   match1to2, match2);
+    addRegexToken('MMM',  function (isStrict, locale) {
+        return locale.monthsShortRegex(isStrict);
+    });
+    addRegexToken('MMMM', function (isStrict, locale) {
+        return locale.monthsRegex(isStrict);
+    });
+
+    addParseToken(['M', 'MM'], function (input, array) {
+        array[MONTH] = toInt(input) - 1;
+    });
+
+    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
+        var month = config._locale.monthsParse(input, token, config._strict);
+        // if we didn't find a month name, mark the date as invalid.
+        if (month != null) {
+            array[MONTH] = month;
+        } else {
+            getParsingFlags(config).invalidMonth = input;
+        }
+    });
+
+    // LOCALES
+
+    var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/;
+    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
+    function localeMonths (m, format) {
+        if (!m) {
+            return isArray(this._months) ? this._months :
+                this._months['standalone'];
+        }
+        return isArray(this._months) ? this._months[m.month()] :
+            this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];
+    }
+
+    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
+    function localeMonthsShort (m, format) {
+        if (!m) {
+            return isArray(this._monthsShort) ? this._monthsShort :
+                this._monthsShort['standalone'];
+        }
+        return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
+            this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
+    }
+
+    function handleStrictParse(monthName, format, strict) {
+        var i, ii, mom, llc = monthName.toLocaleLowerCase();
+        if (!this._monthsParse) {
+            // this is not used
+            this._monthsParse = [];
+            this._longMonthsParse = [];
+            this._shortMonthsParse = [];
+            for (i = 0; i < 12; ++i) {
+                mom = createUTC([2000, i]);
+                this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
+                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
+            }
+        }
+
+        if (strict) {
+            if (format === 'MMM') {
+                ii = indexOf.call(this._shortMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._longMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        } else {
+            if (format === 'MMM') {
+                ii = indexOf.call(this._shortMonthsParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._longMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._longMonthsParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._shortMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        }
+    }
+
+    function localeMonthsParse (monthName, format, strict) {
+        var i, mom, regex;
+
+        if (this._monthsParseExact) {
+            return handleStrictParse.call(this, monthName, format, strict);
+        }
+
+        if (!this._monthsParse) {
+            this._monthsParse = [];
+            this._longMonthsParse = [];
+            this._shortMonthsParse = [];
+        }
+
+        // TODO: add sorting
+        // Sorting makes sure if one month (or abbr) is a prefix of another
+        // see sorting in computeMonthsParse
+        for (i = 0; i < 12; i++) {
+            // make the regex if we don't have it already
+            mom = createUTC([2000, i]);
+            if (strict && !this._longMonthsParse[i]) {
+                this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
+                this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
+            }
+            if (!strict && !this._monthsParse[i]) {
+                regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
+                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
+            }
+            // test the regex
+            if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
+                return i;
+            } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
+                return i;
+            } else if (!strict && this._monthsParse[i].test(monthName)) {
+                return i;
+            }
+        }
+    }
+
+    // MOMENTS
+
+    function setMonth (mom, value) {
+        var dayOfMonth;
+
+        if (!mom.isValid()) {
+            // No op
+            return mom;
+        }
+
+        if (typeof value === 'string') {
+            if (/^\d+$/.test(value)) {
+                value = toInt(value);
+            } else {
+                value = mom.localeData().monthsParse(value);
+                // TODO: Another silent failure?
+                if (!isNumber(value)) {
+                    return mom;
+                }
+            }
+        }
+
+        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
+        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
+        return mom;
+    }
+
+    function getSetMonth (value) {
+        if (value != null) {
+            setMonth(this, value);
+            hooks.updateOffset(this, true);
+            return this;
+        } else {
+            return get(this, 'Month');
+        }
+    }
+
+    function getDaysInMonth () {
+        return daysInMonth(this.year(), this.month());
+    }
+
+    var defaultMonthsShortRegex = matchWord;
+    function monthsShortRegex (isStrict) {
+        if (this._monthsParseExact) {
+            if (!hasOwnProp(this, '_monthsRegex')) {
+                computeMonthsParse.call(this);
+            }
+            if (isStrict) {
+                return this._monthsShortStrictRegex;
+            } else {
+                return this._monthsShortRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_monthsShortRegex')) {
+                this._monthsShortRegex = defaultMonthsShortRegex;
+            }
+            return this._monthsShortStrictRegex && isStrict ?
+                this._monthsShortStrictRegex : this._monthsShortRegex;
+        }
+    }
+
+    var defaultMonthsRegex = matchWord;
+    function monthsRegex (isStrict) {
+        if (this._monthsParseExact) {
+            if (!hasOwnProp(this, '_monthsRegex')) {
+                computeMonthsParse.call(this);
+            }
+            if (isStrict) {
+                return this._monthsStrictRegex;
+            } else {
+                return this._monthsRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_monthsRegex')) {
+                this._monthsRegex = defaultMonthsRegex;
+            }
+            return this._monthsStrictRegex && isStrict ?
+                this._monthsStrictRegex : this._monthsRegex;
+        }
+    }
+
+    function computeMonthsParse () {
+        function cmpLenRev(a, b) {
+            return b.length - a.length;
+        }
+
+        var shortPieces = [], longPieces = [], mixedPieces = [],
+            i, mom;
+        for (i = 0; i < 12; i++) {
+            // make the regex if we don't have it already
+            mom = createUTC([2000, i]);
+            shortPieces.push(this.monthsShort(mom, ''));
+            longPieces.push(this.months(mom, ''));
+            mixedPieces.push(this.months(mom, ''));
+            mixedPieces.push(this.monthsShort(mom, ''));
+        }
+        // Sorting makes sure if one month (or abbr) is a prefix of another it
+        // will match the longer piece.
+        shortPieces.sort(cmpLenRev);
+        longPieces.sort(cmpLenRev);
+        mixedPieces.sort(cmpLenRev);
+        for (i = 0; i < 12; i++) {
+            shortPieces[i] = regexEscape(shortPieces[i]);
+            longPieces[i] = regexEscape(longPieces[i]);
+        }
+        for (i = 0; i < 24; i++) {
+            mixedPieces[i] = regexEscape(mixedPieces[i]);
+        }
+
+        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+        this._monthsShortRegex = this._monthsRegex;
+        this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
+        this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
+    }
+
+    function createDate (y, m, d, h, M, s, ms) {
+        // can't just apply() to create a date:
+        // https://stackoverflow.com/q/181348
+        var date;
+        // the date constructor remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            // preserve leap years using a full 400 year cycle, then reset
+            date = new Date(y + 400, m, d, h, M, s, ms);
+            if (isFinite(date.getFullYear())) {
+                date.setFullYear(y);
+            }
+        } else {
+            date = new Date(y, m, d, h, M, s, ms);
+        }
+
+        return date;
+    }
+
+    function createUTCDate (y) {
+        var date;
+        // the Date.UTC function remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            var args = Array.prototype.slice.call(arguments);
+            // preserve leap years using a full 400 year cycle, then reset
+            args[0] = y + 400;
+            date = new Date(Date.UTC.apply(null, args));
+            if (isFinite(date.getUTCFullYear())) {
+                date.setUTCFullYear(y);
+            }
+        } else {
+            date = new Date(Date.UTC.apply(null, arguments));
+        }
+
+        return date;
+    }
+
+    // start-of-first-week - start-of-year
+    function firstWeekOffset(year, dow, doy) {
+        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
+            fwd = 7 + dow - doy,
+            // first-week day local weekday -- which local weekday is fwd
+            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
+
+        return -fwdlw + fwd - 1;
+    }
+
+    // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
+    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
+        var localWeekday = (7 + weekday - dow) % 7,
+            weekOffset = firstWeekOffset(year, dow, doy),
+            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
+            resYear, resDayOfYear;
+
+        if (dayOfYear <= 0) {
+            resYear = year - 1;
+            resDayOfYear = daysInYear(resYear) + dayOfYear;
+        } else if (dayOfYear > daysInYear(year)) {
+            resYear = year + 1;
+            resDayOfYear = dayOfYear - daysInYear(year);
+        } else {
+            resYear = year;
+            resDayOfYear = dayOfYear;
+        }
+
+        return {
+            year: resYear,
+            dayOfYear: resDayOfYear
+        };
+    }
+
+    function weekOfYear(mom, dow, doy) {
+        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
+            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
+            resWeek, resYear;
+
+        if (week < 1) {
+            resYear = mom.year() - 1;
+            resWeek = week + weeksInYear(resYear, dow, doy);
+        } else if (week > weeksInYear(mom.year(), dow, doy)) {
+            resWeek = week - weeksInYear(mom.year(), dow, doy);
+            resYear = mom.year() + 1;
+        } else {
+            resYear = mom.year();
+            resWeek = week;
+        }
+
+        return {
+            week: resWeek,
+            year: resYear
+        };
+    }
+
+    function weeksInYear(year, dow, doy) {
+        var weekOffset = firstWeekOffset(year, dow, doy),
+            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
+        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
+    }
+
+    // FORMATTING
+
+    addFormatToken('w', ['ww', 2], 'wo', 'week');
+    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
+
+    // ALIASES
+
+    addUnitAlias('week', 'w');
+    addUnitAlias('isoWeek', 'W');
+
+    // PRIORITIES
+
+    addUnitPriority('week', 5);
+    addUnitPriority('isoWeek', 5);
+
+    // PARSING
+
+    addRegexToken('w',  match1to2);
+    addRegexToken('ww', match1to2, match2);
+    addRegexToken('W',  match1to2);
+    addRegexToken('WW', match1to2, match2);
+
+    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
+        week[token.substr(0, 1)] = toInt(input);
+    });
+
+    // HELPERS
+
+    // LOCALES
+
+    function localeWeek (mom) {
+        return weekOfYear(mom, this._week.dow, this._week.doy).week;
+    }
+
+    var defaultLocaleWeek = {
+        dow : 0, // Sunday is the first day of the week.
+        doy : 6  // The week that contains Jan 6th is the first week of the year.
+    };
+
+    function localeFirstDayOfWeek () {
+        return this._week.dow;
+    }
+
+    function localeFirstDayOfYear () {
+        return this._week.doy;
+    }
+
+    // MOMENTS
+
+    function getSetWeek (input) {
+        var week = this.localeData().week(this);
+        return input == null ? week : this.add((input - week) * 7, 'd');
+    }
+
+    function getSetISOWeek (input) {
+        var week = weekOfYear(this, 1, 4).week;
+        return input == null ? week : this.add((input - week) * 7, 'd');
+    }
+
+    // FORMATTING
+
+    addFormatToken('d', 0, 'do', 'day');
+
+    addFormatToken('dd', 0, 0, function (format) {
+        return this.localeData().weekdaysMin(this, format);
+    });
+
+    addFormatToken('ddd', 0, 0, function (format) {
+        return this.localeData().weekdaysShort(this, format);
+    });
+
+    addFormatToken('dddd', 0, 0, function (format) {
+        return this.localeData().weekdays(this, format);
+    });
+
+    addFormatToken('e', 0, 0, 'weekday');
+    addFormatToken('E', 0, 0, 'isoWeekday');
+
+    // ALIASES
+
+    addUnitAlias('day', 'd');
+    addUnitAlias('weekday', 'e');
+    addUnitAlias('isoWeekday', 'E');
+
+    // PRIORITY
+    addUnitPriority('day', 11);
+    addUnitPriority('weekday', 11);
+    addUnitPriority('isoWeekday', 11);
+
+    // PARSING
+
+    addRegexToken('d',    match1to2);
+    addRegexToken('e',    match1to2);
+    addRegexToken('E',    match1to2);
+    addRegexToken('dd',   function (isStrict, locale) {
+        return locale.weekdaysMinRegex(isStrict);
+    });
+    addRegexToken('ddd',   function (isStrict, locale) {
+        return locale.weekdaysShortRegex(isStrict);
+    });
+    addRegexToken('dddd',   function (isStrict, locale) {
+        return locale.weekdaysRegex(isStrict);
+    });
+
+    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
+        var weekday = config._locale.weekdaysParse(input, token, config._strict);
+        // if we didn't get a weekday name, mark the date as invalid
+        if (weekday != null) {
+            week.d = weekday;
+        } else {
+            getParsingFlags(config).invalidWeekday = input;
+        }
+    });
+
+    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
+        week[token] = toInt(input);
+    });
+
+    // HELPERS
+
+    function parseWeekday(input, locale) {
+        if (typeof input !== 'string') {
+            return input;
+        }
+
+        if (!isNaN(input)) {
+            return parseInt(input, 10);
+        }
+
+        input = locale.weekdaysParse(input);
+        if (typeof input === 'number') {
+            return input;
+        }
+
+        return null;
+    }
+
+    function parseIsoWeekday(input, locale) {
+        if (typeof input === 'string') {
+            return locale.weekdaysParse(input) % 7 || 7;
+        }
+        return isNaN(input) ? null : input;
+    }
+
+    // LOCALES
+    function shiftWeekdays (ws, n) {
+        return ws.slice(n, 7).concat(ws.slice(0, n));
+    }
+
+    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
+    function localeWeekdays (m, format) {
+        var weekdays = isArray(this._weekdays) ? this._weekdays :
+            this._weekdays[(m && m !== true && this._weekdays.isFormat.test(format)) ? 'format' : 'standalone'];
+        return (m === true) ? shiftWeekdays(weekdays, this._week.dow)
+            : (m) ? weekdays[m.day()] : weekdays;
+    }
+
+    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
+    function localeWeekdaysShort (m) {
+        return (m === true) ? shiftWeekdays(this._weekdaysShort, this._week.dow)
+            : (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;
+    }
+
+    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
+    function localeWeekdaysMin (m) {
+        return (m === true) ? shiftWeekdays(this._weekdaysMin, this._week.dow)
+            : (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;
+    }
+
+    function handleStrictParse$1(weekdayName, format, strict) {
+        var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
+        if (!this._weekdaysParse) {
+            this._weekdaysParse = [];
+            this._shortWeekdaysParse = [];
+            this._minWeekdaysParse = [];
+
+            for (i = 0; i < 7; ++i) {
+                mom = createUTC([2000, 1]).day(i);
+                this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
+                this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
+                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
+            }
+        }
+
+        if (strict) {
+            if (format === 'dddd') {
+                ii = indexOf.call(this._weekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else if (format === 'ddd') {
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        } else {
+            if (format === 'dddd') {
+                ii = indexOf.call(this._weekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else if (format === 'ddd') {
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._weekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._weekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        }
+    }
+
+    function localeWeekdaysParse (weekdayName, format, strict) {
+        var i, mom, regex;
+
+        if (this._weekdaysParseExact) {
+            return handleStrictParse$1.call(this, weekdayName, format, strict);
+        }
+
+        if (!this._weekdaysParse) {
+            this._weekdaysParse = [];
+            this._minWeekdaysParse = [];
+            this._shortWeekdaysParse = [];
+            this._fullWeekdaysParse = [];
+        }
+
+        for (i = 0; i < 7; i++) {
+            // make the regex if we don't have it already
+
+            mom = createUTC([2000, 1]).day(i);
+            if (strict && !this._fullWeekdaysParse[i]) {
+                this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i');
+                this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i');
+                this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i');
+            }
+            if (!this._weekdaysParse[i]) {
+                regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
+                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
+            }
+            // test the regex
+            if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
+                return i;
+            } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
+                return i;
+            } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
+                return i;
+            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
+                return i;
+            }
+        }
+    }
+
+    // MOMENTS
+
+    function getSetDayOfWeek (input) {
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
+        if (input != null) {
+            input = parseWeekday(input, this.localeData());
+            return this.add(input - day, 'd');
+        } else {
+            return day;
+        }
+    }
+
+    function getSetLocaleDayOfWeek (input) {
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
+        return input == null ? weekday : this.add(input - weekday, 'd');
+    }
+
+    function getSetISODayOfWeek (input) {
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+
+        // behaves the same as moment#day except
+        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
+        // as a setter, sunday should belong to the previous week.
+
+        if (input != null) {
+            var weekday = parseIsoWeekday(input, this.localeData());
+            return this.day(this.day() % 7 ? weekday : weekday - 7);
+        } else {
+            return this.day() || 7;
+        }
+    }
+
+    var defaultWeekdaysRegex = matchWord;
+    function weekdaysRegex (isStrict) {
+        if (this._weekdaysParseExact) {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                computeWeekdaysParse.call(this);
+            }
+            if (isStrict) {
+                return this._weekdaysStrictRegex;
+            } else {
+                return this._weekdaysRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                this._weekdaysRegex = defaultWeekdaysRegex;
+            }
+            return this._weekdaysStrictRegex && isStrict ?
+                this._weekdaysStrictRegex : this._weekdaysRegex;
+        }
+    }
+
+    var defaultWeekdaysShortRegex = matchWord;
+    function weekdaysShortRegex (isStrict) {
+        if (this._weekdaysParseExact) {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                computeWeekdaysParse.call(this);
+            }
+            if (isStrict) {
+                return this._weekdaysShortStrictRegex;
+            } else {
+                return this._weekdaysShortRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_weekdaysShortRegex')) {
+                this._weekdaysShortRegex = defaultWeekdaysShortRegex;
+            }
+            return this._weekdaysShortStrictRegex && isStrict ?
+                this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
+        }
+    }
+
+    var defaultWeekdaysMinRegex = matchWord;
+    function weekdaysMinRegex (isStrict) {
+        if (this._weekdaysParseExact) {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                computeWeekdaysParse.call(this);
+            }
+            if (isStrict) {
+                return this._weekdaysMinStrictRegex;
+            } else {
+                return this._weekdaysMinRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_weekdaysMinRegex')) {
+                this._weekdaysMinRegex = defaultWeekdaysMinRegex;
+            }
+            return this._weekdaysMinStrictRegex && isStrict ?
+                this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
+        }
+    }
+
+
+    function computeWeekdaysParse () {
+        function cmpLenRev(a, b) {
+            return b.length - a.length;
+        }
+
+        var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
+            i, mom, minp, shortp, longp;
+        for (i = 0; i < 7; i++) {
+            // make the regex if we don't have it already
+            mom = createUTC([2000, 1]).day(i);
+            minp = this.weekdaysMin(mom, '');
+            shortp = this.weekdaysShort(mom, '');
+            longp = this.weekdays(mom, '');
+            minPieces.push(minp);
+            shortPieces.push(shortp);
+            longPieces.push(longp);
+            mixedPieces.push(minp);
+            mixedPieces.push(shortp);
+            mixedPieces.push(longp);
+        }
+        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
+        // will match the longer piece.
+        minPieces.sort(cmpLenRev);
+        shortPieces.sort(cmpLenRev);
+        longPieces.sort(cmpLenRev);
+        mixedPieces.sort(cmpLenRev);
+        for (i = 0; i < 7; i++) {
+            shortPieces[i] = regexEscape(shortPieces[i]);
+            longPieces[i] = regexEscape(longPieces[i]);
+            mixedPieces[i] = regexEscape(mixedPieces[i]);
+        }
+
+        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+        this._weekdaysShortRegex = this._weekdaysRegex;
+        this._weekdaysMinRegex = this._weekdaysRegex;
+
+        this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
+        this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
+        this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
+    }
+
+    // FORMATTING
+
+    function hFormat() {
+        return this.hours() % 12 || 12;
+    }
+
+    function kFormat() {
+        return this.hours() || 24;
+    }
+
+    addFormatToken('H', ['HH', 2], 0, 'hour');
+    addFormatToken('h', ['hh', 2], 0, hFormat);
+    addFormatToken('k', ['kk', 2], 0, kFormat);
+
+    addFormatToken('hmm', 0, 0, function () {
+        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
+    });
+
+    addFormatToken('hmmss', 0, 0, function () {
+        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
+            zeroFill(this.seconds(), 2);
+    });
+
+    addFormatToken('Hmm', 0, 0, function () {
+        return '' + this.hours() + zeroFill(this.minutes(), 2);
+    });
+
+    addFormatToken('Hmmss', 0, 0, function () {
+        return '' + this.hours() + zeroFill(this.minutes(), 2) +
+            zeroFill(this.seconds(), 2);
+    });
+
+    function meridiem (token, lowercase) {
+        addFormatToken(token, 0, 0, function () {
+            return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
+        });
+    }
+
+    meridiem('a', true);
+    meridiem('A', false);
+
+    // ALIASES
+
+    addUnitAlias('hour', 'h');
+
+    // PRIORITY
+    addUnitPriority('hour', 13);
+
+    // PARSING
+
+    function matchMeridiem (isStrict, locale) {
+        return locale._meridiemParse;
+    }
+
+    addRegexToken('a',  matchMeridiem);
+    addRegexToken('A',  matchMeridiem);
+    addRegexToken('H',  match1to2);
+    addRegexToken('h',  match1to2);
+    addRegexToken('k',  match1to2);
+    addRegexToken('HH', match1to2, match2);
+    addRegexToken('hh', match1to2, match2);
+    addRegexToken('kk', match1to2, match2);
+
+    addRegexToken('hmm', match3to4);
+    addRegexToken('hmmss', match5to6);
+    addRegexToken('Hmm', match3to4);
+    addRegexToken('Hmmss', match5to6);
+
+    addParseToken(['H', 'HH'], HOUR);
+    addParseToken(['k', 'kk'], function (input, array, config) {
+        var kInput = toInt(input);
+        array[HOUR] = kInput === 24 ? 0 : kInput;
+    });
+    addParseToken(['a', 'A'], function (input, array, config) {
+        config._isPm = config._locale.isPM(input);
+        config._meridiem = input;
+    });
+    addParseToken(['h', 'hh'], function (input, array, config) {
+        array[HOUR] = toInt(input);
+        getParsingFlags(config).bigHour = true;
+    });
+    addParseToken('hmm', function (input, array, config) {
+        var pos = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos));
+        array[MINUTE] = toInt(input.substr(pos));
+        getParsingFlags(config).bigHour = true;
+    });
+    addParseToken('hmmss', function (input, array, config) {
+        var pos1 = input.length - 4;
+        var pos2 = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos1));
+        array[MINUTE] = toInt(input.substr(pos1, 2));
+        array[SECOND] = toInt(input.substr(pos2));
+        getParsingFlags(config).bigHour = true;
+    });
+    addParseToken('Hmm', function (input, array, config) {
+        var pos = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos));
+        array[MINUTE] = toInt(input.substr(pos));
+    });
+    addParseToken('Hmmss', function (input, array, config) {
+        var pos1 = input.length - 4;
+        var pos2 = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos1));
+        array[MINUTE] = toInt(input.substr(pos1, 2));
+        array[SECOND] = toInt(input.substr(pos2));
+    });
+
+    // LOCALES
+
+    function localeIsPM (input) {
+        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
+        // Using charAt should be more compatible.
+        return ((input + '').toLowerCase().charAt(0) === 'p');
+    }
+
+    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
+    function localeMeridiem (hours, minutes, isLower) {
+        if (hours > 11) {
+            return isLower ? 'pm' : 'PM';
+        } else {
+            return isLower ? 'am' : 'AM';
+        }
+    }
+
+
+    // MOMENTS
+
+    // Setting the hour should keep the time, because the user explicitly
+    // specified which hour they want. So trying to maintain the same hour (in
+    // a new timezone) makes sense. Adding/subtracting hours does not follow
+    // this rule.
+    var getSetHour = makeGetSet('Hours', true);
+
+    var baseConfig = {
+        calendar: defaultCalendar,
+        longDateFormat: defaultLongDateFormat,
+        invalidDate: defaultInvalidDate,
+        ordinal: defaultOrdinal,
+        dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
+        relativeTime: defaultRelativeTime,
+
+        months: defaultLocaleMonths,
+        monthsShort: defaultLocaleMonthsShort,
+
+        week: defaultLocaleWeek,
+
+        weekdays: defaultLocaleWeekdays,
+        weekdaysMin: defaultLocaleWeekdaysMin,
+        weekdaysShort: defaultLocaleWeekdaysShort,
+
+        meridiemParse: defaultLocaleMeridiemParse
+    };
+
+    // internal storage for locale config files
+    var locales = {};
+    var localeFamilies = {};
+    var globalLocale;
+
+    function normalizeLocale(key) {
+        return key ? key.toLowerCase().replace('_', '-') : key;
+    }
+
+    // pick the locale from the array
+    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
+    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
+    function chooseLocale(names) {
+        var i = 0, j, next, locale, split;
+
+        while (i < names.length) {
+            split = normalizeLocale(names[i]).split('-');
+            j = split.length;
+            next = normalizeLocale(names[i + 1]);
+            next = next ? next.split('-') : null;
+            while (j > 0) {
+                locale = loadLocale(split.slice(0, j).join('-'));
+                if (locale) {
+                    return locale;
+                }
+                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
+                    //the next array item is better than a shallower substring of this one
+                    break;
+                }
+                j--;
+            }
+            i++;
+        }
+        return globalLocale;
+    }
+
+    function loadLocale(name) {
+        var oldLocale = null;
+        // TODO: Find a better way to register and load all the locales in Node
+        if (!locales[name] && ('object' !== 'undefined') &&
+                module && module.exports) {
+            try {
+                oldLocale = globalLocale._abbr;
+                var aliasedRequire = commonjsRequire;
+                aliasedRequire('./locale/' + name);
+                getSetGlobalLocale(oldLocale);
+            } catch (e) {}
+        }
+        return locales[name];
+    }
+
+    // This function will load locale and then set the global locale.  If
+    // no arguments are passed in, it will simply return the current global
+    // locale key.
+    function getSetGlobalLocale (key, values) {
+        var data;
+        if (key) {
+            if (isUndefined(values)) {
+                data = getLocale(key);
+            }
+            else {
+                data = defineLocale(key, values);
+            }
+
+            if (data) {
+                // moment.duration._locale = moment._locale = data;
+                globalLocale = data;
+            }
+            else {
+                if ((typeof console !==  'undefined') && console.warn) {
+                    //warn user if arguments are passed but the locale could not be set
+                    console.warn('Locale ' + key +  ' not found. Did you forget to load it?');
+                }
+            }
+        }
+
+        return globalLocale._abbr;
+    }
+
+    function defineLocale (name, config) {
+        if (config !== null) {
+            var locale, parentConfig = baseConfig;
+            config.abbr = name;
+            if (locales[name] != null) {
+                deprecateSimple('defineLocaleOverride',
+                        'use moment.updateLocale(localeName, config) to change ' +
+                        'an existing locale. moment.defineLocale(localeName, ' +
+                        'config) should only be used for creating a new locale ' +
+                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');
+                parentConfig = locales[name]._config;
+            } else if (config.parentLocale != null) {
+                if (locales[config.parentLocale] != null) {
+                    parentConfig = locales[config.parentLocale]._config;
+                } else {
+                    locale = loadLocale(config.parentLocale);
+                    if (locale != null) {
+                        parentConfig = locale._config;
+                    } else {
+                        if (!localeFamilies[config.parentLocale]) {
+                            localeFamilies[config.parentLocale] = [];
+                        }
+                        localeFamilies[config.parentLocale].push({
+                            name: name,
+                            config: config
+                        });
+                        return null;
+                    }
+                }
+            }
+            locales[name] = new Locale(mergeConfigs(parentConfig, config));
+
+            if (localeFamilies[name]) {
+                localeFamilies[name].forEach(function (x) {
+                    defineLocale(x.name, x.config);
+                });
+            }
+
+            // backwards compat for now: also set the locale
+            // make sure we set the locale AFTER all child locales have been
+            // created, so we won't end up with the child locale set.
+            getSetGlobalLocale(name);
+
+
+            return locales[name];
+        } else {
+            // useful for testing
+            delete locales[name];
+            return null;
+        }
+    }
+
+    function updateLocale(name, config) {
+        if (config != null) {
+            var locale, tmpLocale, parentConfig = baseConfig;
+            // MERGE
+            tmpLocale = loadLocale(name);
+            if (tmpLocale != null) {
+                parentConfig = tmpLocale._config;
+            }
+            config = mergeConfigs(parentConfig, config);
+            locale = new Locale(config);
+            locale.parentLocale = locales[name];
+            locales[name] = locale;
+
+            // backwards compat for now: also set the locale
+            getSetGlobalLocale(name);
+        } else {
+            // pass null for config to unupdate, useful for tests
+            if (locales[name] != null) {
+                if (locales[name].parentLocale != null) {
+                    locales[name] = locales[name].parentLocale;
+                } else if (locales[name] != null) {
+                    delete locales[name];
+                }
+            }
+        }
+        return locales[name];
+    }
+
+    // returns locale data
+    function getLocale (key) {
+        var locale;
+
+        if (key && key._locale && key._locale._abbr) {
+            key = key._locale._abbr;
+        }
+
+        if (!key) {
+            return globalLocale;
+        }
+
+        if (!isArray(key)) {
+            //short-circuit everything else
+            locale = loadLocale(key);
+            if (locale) {
+                return locale;
+            }
+            key = [key];
+        }
+
+        return chooseLocale(key);
+    }
+
+    function listLocales() {
+        return keys(locales);
+    }
+
+    function checkOverflow (m) {
+        var overflow;
+        var a = m._a;
+
+        if (a && getParsingFlags(m).overflow === -2) {
+            overflow =
+                a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
+                a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
+                a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
+                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
+                a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
+                a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
+                -1;
+
+            if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
+                overflow = DATE;
+            }
+            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
+                overflow = WEEK;
+            }
+            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
+                overflow = WEEKDAY;
+            }
+
+            getParsingFlags(m).overflow = overflow;
+        }
+
+        return m;
+    }
+
+    // Pick the first defined of two or three arguments.
+    function defaults(a, b, c) {
+        if (a != null) {
+            return a;
+        }
+        if (b != null) {
+            return b;
+        }
+        return c;
+    }
+
+    function currentDateArray(config) {
+        // hooks is actually the exported moment object
+        var nowValue = new Date(hooks.now());
+        if (config._useUTC) {
+            return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
+        }
+        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
+    }
+
+    // convert an array to a date.
+    // the array should mirror the parameters below
+    // note: all values past the year are optional and will default to the lowest possible value.
+    // [year, month, day , hour, minute, second, millisecond]
+    function configFromArray (config) {
+        var i, date, input = [], currentDate, expectedWeekday, yearToUse;
+
+        if (config._d) {
+            return;
+        }
+
+        currentDate = currentDateArray(config);
+
+        //compute day of the year from weeks and weekdays
+        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
+            dayOfYearFromWeekInfo(config);
+        }
+
+        //if the day of the year is set, figure out what it is
+        if (config._dayOfYear != null) {
+            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);
+
+            if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {
+                getParsingFlags(config)._overflowDayOfYear = true;
+            }
+
+            date = createUTCDate(yearToUse, 0, config._dayOfYear);
+            config._a[MONTH] = date.getUTCMonth();
+            config._a[DATE] = date.getUTCDate();
+        }
+
+        // Default to current date.
+        // * if no year, month, day of month are given, default to today
+        // * if day of month is given, default month and year
+        // * if month is given, default only year
+        // * if year is given, don't default anything
+        for (i = 0; i < 3 && config._a[i] == null; ++i) {
+            config._a[i] = input[i] = currentDate[i];
+        }
+
+        // Zero out whatever was not defaulted, including time
+        for (; i < 7; i++) {
+            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
+        }
+
+        // Check for 24:00:00.000
+        if (config._a[HOUR] === 24 &&
+                config._a[MINUTE] === 0 &&
+                config._a[SECOND] === 0 &&
+                config._a[MILLISECOND] === 0) {
+            config._nextDay = true;
+            config._a[HOUR] = 0;
+        }
+
+        config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
+        expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay();
+
+        // Apply timezone offset from input. The actual utcOffset can be changed
+        // with parseZone.
+        if (config._tzm != null) {
+            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
+        }
+
+        if (config._nextDay) {
+            config._a[HOUR] = 24;
+        }
+
+        // check for mismatching day of week
+        if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) {
+            getParsingFlags(config).weekdayMismatch = true;
+        }
+    }
+
+    function dayOfYearFromWeekInfo(config) {
+        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;
+
+        w = config._w;
+        if (w.GG != null || w.W != null || w.E != null) {
+            dow = 1;
+            doy = 4;
+
+            // TODO: We need to take the current isoWeekYear, but that depends on
+            // how we interpret now (local, utc, fixed offset). So create
+            // a now version of current config (take local/utc/offset flags, and
+            // create now).
+            weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);
+            week = defaults(w.W, 1);
+            weekday = defaults(w.E, 1);
+            if (weekday < 1 || weekday > 7) {
+                weekdayOverflow = true;
+            }
+        } else {
+            dow = config._locale._week.dow;
+            doy = config._locale._week.doy;
+
+            var curWeek = weekOfYear(createLocal(), dow, doy);
+
+            weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);
+
+            // Default to current week.
+            week = defaults(w.w, curWeek.week);
+
+            if (w.d != null) {
+                // weekday -- low day numbers are considered next week
+                weekday = w.d;
+                if (weekday < 0 || weekday > 6) {
+                    weekdayOverflow = true;
+                }
+            } else if (w.e != null) {
+                // local weekday -- counting starts from beginning of week
+                weekday = w.e + dow;
+                if (w.e < 0 || w.e > 6) {
+                    weekdayOverflow = true;
+                }
+            } else {
+                // default to beginning of week
+                weekday = dow;
+            }
+        }
+        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
+            getParsingFlags(config)._overflowWeeks = true;
+        } else if (weekdayOverflow != null) {
+            getParsingFlags(config)._overflowWeekday = true;
+        } else {
+            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
+            config._a[YEAR] = temp.year;
+            config._dayOfYear = temp.dayOfYear;
+        }
+    }
+
+    // iso 8601 regex
+    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
+    var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
+    var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
+
+    var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;
+
+    var isoDates = [
+        ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
+        ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
+        ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
+        ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
+        ['YYYY-DDD', /\d{4}-\d{3}/],
+        ['YYYY-MM', /\d{4}-\d\d/, false],
+        ['YYYYYYMMDD', /[+-]\d{10}/],
+        ['YYYYMMDD', /\d{8}/],
+        // YYYYMM is NOT allowed by the standard
+        ['GGGG[W]WWE', /\d{4}W\d{3}/],
+        ['GGGG[W]WW', /\d{4}W\d{2}/, false],
+        ['YYYYDDD', /\d{7}/]
+    ];
+
+    // iso time formats and regexes
+    var isoTimes = [
+        ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
+        ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
+        ['HH:mm:ss', /\d\d:\d\d:\d\d/],
+        ['HH:mm', /\d\d:\d\d/],
+        ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
+        ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
+        ['HHmmss', /\d\d\d\d\d\d/],
+        ['HHmm', /\d\d\d\d/],
+        ['HH', /\d\d/]
+    ];
+
+    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
+
+    // date from iso format
+    function configFromISO(config) {
+        var i, l,
+            string = config._i,
+            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
+            allowTime, dateFormat, timeFormat, tzFormat;
+
+        if (match) {
+            getParsingFlags(config).iso = true;
+
+            for (i = 0, l = isoDates.length; i < l; i++) {
+                if (isoDates[i][1].exec(match[1])) {
+                    dateFormat = isoDates[i][0];
+                    allowTime = isoDates[i][2] !== false;
+                    break;
+                }
+            }
+            if (dateFormat == null) {
+                config._isValid = false;
+                return;
+            }
+            if (match[3]) {
+                for (i = 0, l = isoTimes.length; i < l; i++) {
+                    if (isoTimes[i][1].exec(match[3])) {
+                        // match[2] should be 'T' or space
+                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
+                        break;
+                    }
+                }
+                if (timeFormat == null) {
+                    config._isValid = false;
+                    return;
+                }
+            }
+            if (!allowTime && timeFormat != null) {
+                config._isValid = false;
+                return;
+            }
+            if (match[4]) {
+                if (tzRegex.exec(match[4])) {
+                    tzFormat = 'Z';
+                } else {
+                    config._isValid = false;
+                    return;
+                }
+            }
+            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
+            configFromStringAndFormat(config);
+        } else {
+            config._isValid = false;
+        }
+    }
+
+    // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
+    var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/;
+
+    function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) {
+        var result = [
+            untruncateYear(yearStr),
+            defaultLocaleMonthsShort.indexOf(monthStr),
+            parseInt(dayStr, 10),
+            parseInt(hourStr, 10),
+            parseInt(minuteStr, 10)
+        ];
+
+        if (secondStr) {
+            result.push(parseInt(secondStr, 10));
+        }
+
+        return result;
+    }
+
+    function untruncateYear(yearStr) {
+        var year = parseInt(yearStr, 10);
+        if (year <= 49) {
+            return 2000 + year;
+        } else if (year <= 999) {
+            return 1900 + year;
+        }
+        return year;
+    }
+
+    function preprocessRFC2822(s) {
+        // Remove comments and folding whitespace and replace multiple-spaces with a single space
+        return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, '');
+    }
+
+    function checkWeekday(weekdayStr, parsedInput, config) {
+        if (weekdayStr) {
+            // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.
+            var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
+                weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay();
+            if (weekdayProvided !== weekdayActual) {
+                getParsingFlags(config).weekdayMismatch = true;
+                config._isValid = false;
+                return false;
+            }
+        }
+        return true;
+    }
+
+    var obsOffsets = {
+        UT: 0,
+        GMT: 0,
+        EDT: -4 * 60,
+        EST: -5 * 60,
+        CDT: -5 * 60,
+        CST: -6 * 60,
+        MDT: -6 * 60,
+        MST: -7 * 60,
+        PDT: -7 * 60,
+        PST: -8 * 60
+    };
+
+    function calculateOffset(obsOffset, militaryOffset, numOffset) {
+        if (obsOffset) {
+            return obsOffsets[obsOffset];
+        } else if (militaryOffset) {
+            // the only allowed military tz is Z
+            return 0;
+        } else {
+            var hm = parseInt(numOffset, 10);
+            var m = hm % 100, h = (hm - m) / 100;
+            return h * 60 + m;
+        }
+    }
+
+    // date and time from ref 2822 format
+    function configFromRFC2822(config) {
+        var match = rfc2822.exec(preprocessRFC2822(config._i));
+        if (match) {
+            var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]);
+            if (!checkWeekday(match[1], parsedArray, config)) {
+                return;
+            }
+
+            config._a = parsedArray;
+            config._tzm = calculateOffset(match[8], match[9], match[10]);
+
+            config._d = createUTCDate.apply(null, config._a);
+            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
+
+            getParsingFlags(config).rfc2822 = true;
+        } else {
+            config._isValid = false;
+        }
+    }
+
+    // date from iso format or fallback
+    function configFromString(config) {
+        var matched = aspNetJsonRegex.exec(config._i);
+
+        if (matched !== null) {
+            config._d = new Date(+matched[1]);
+            return;
+        }
+
+        configFromISO(config);
+        if (config._isValid === false) {
+            delete config._isValid;
+        } else {
+            return;
+        }
+
+        configFromRFC2822(config);
+        if (config._isValid === false) {
+            delete config._isValid;
+        } else {
+            return;
+        }
+
+        // Final attempt, use Input Fallback
+        hooks.createFromInputFallback(config);
+    }
+
+    hooks.createFromInputFallback = deprecate(
+        'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
+        'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
+        'discouraged and will be removed in an upcoming major release. Please refer to ' +
+        'http://momentjs.com/guides/#/warnings/js-date/ for more info.',
+        function (config) {
+            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
+        }
+    );
+
+    // constant that refers to the ISO standard
+    hooks.ISO_8601 = function () {};
+
+    // constant that refers to the RFC 2822 form
+    hooks.RFC_2822 = function () {};
+
+    // date from string and format string
+    function configFromStringAndFormat(config) {
+        // TODO: Move this to another part of the creation flow to prevent circular deps
+        if (config._f === hooks.ISO_8601) {
+            configFromISO(config);
+            return;
+        }
+        if (config._f === hooks.RFC_2822) {
+            configFromRFC2822(config);
+            return;
+        }
+        config._a = [];
+        getParsingFlags(config).empty = true;
+
+        // This array is used to make a Date, either with `new Date` or `Date.UTC`
+        var string = '' + config._i,
+            i, parsedInput, tokens, token, skipped,
+            stringLength = string.length,
+            totalParsedInputLength = 0;
+
+        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
+
+        for (i = 0; i < tokens.length; i++) {
+            token = tokens[i];
+            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
+            // console.log('token', token, 'parsedInput', parsedInput,
+            //         'regex', getParseRegexForToken(token, config));
+            if (parsedInput) {
+                skipped = string.substr(0, string.indexOf(parsedInput));
+                if (skipped.length > 0) {
+                    getParsingFlags(config).unusedInput.push(skipped);
+                }
+                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
+                totalParsedInputLength += parsedInput.length;
+            }
+            // don't parse if it's not a known token
+            if (formatTokenFunctions[token]) {
+                if (parsedInput) {
+                    getParsingFlags(config).empty = false;
+                }
+                else {
+                    getParsingFlags(config).unusedTokens.push(token);
+                }
+                addTimeToArrayFromToken(token, parsedInput, config);
+            }
+            else if (config._strict && !parsedInput) {
+                getParsingFlags(config).unusedTokens.push(token);
+            }
+        }
+
+        // add remaining unparsed input length to the string
+        getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
+        if (string.length > 0) {
+            getParsingFlags(config).unusedInput.push(string);
+        }
+
+        // clear _12h flag if hour is <= 12
+        if (config._a[HOUR] <= 12 &&
+            getParsingFlags(config).bigHour === true &&
+            config._a[HOUR] > 0) {
+            getParsingFlags(config).bigHour = undefined;
+        }
+
+        getParsingFlags(config).parsedDateParts = config._a.slice(0);
+        getParsingFlags(config).meridiem = config._meridiem;
+        // handle meridiem
+        config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
+
+        configFromArray(config);
+        checkOverflow(config);
+    }
+
+
+    function meridiemFixWrap (locale, hour, meridiem) {
+        var isPm;
+
+        if (meridiem == null) {
+            // nothing to do
+            return hour;
+        }
+        if (locale.meridiemHour != null) {
+            return locale.meridiemHour(hour, meridiem);
+        } else if (locale.isPM != null) {
+            // Fallback
+            isPm = locale.isPM(meridiem);
+            if (isPm && hour < 12) {
+                hour += 12;
+            }
+            if (!isPm && hour === 12) {
+                hour = 0;
+            }
+            return hour;
+        } else {
+            // this is not supposed to happen
+            return hour;
+        }
+    }
+
+    // date from string and array of format strings
+    function configFromStringAndArray(config) {
+        var tempConfig,
+            bestMoment,
+
+            scoreToBeat,
+            i,
+            currentScore;
+
+        if (config._f.length === 0) {
+            getParsingFlags(config).invalidFormat = true;
+            config._d = new Date(NaN);
+            return;
+        }
+
+        for (i = 0; i < config._f.length; i++) {
+            currentScore = 0;
+            tempConfig = copyConfig({}, config);
+            if (config._useUTC != null) {
+                tempConfig._useUTC = config._useUTC;
+            }
+            tempConfig._f = config._f[i];
+            configFromStringAndFormat(tempConfig);
+
+            if (!isValid(tempConfig)) {
+                continue;
+            }
+
+            // if there is any input that was not parsed add a penalty for that format
+            currentScore += getParsingFlags(tempConfig).charsLeftOver;
+
+            //or tokens
+            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
+
+            getParsingFlags(tempConfig).score = currentScore;
+
+            if (scoreToBeat == null || currentScore < scoreToBeat) {
+                scoreToBeat = currentScore;
+                bestMoment = tempConfig;
+            }
+        }
+
+        extend(config, bestMoment || tempConfig);
+    }
+
+    function configFromObject(config) {
+        if (config._d) {
+            return;
+        }
+
+        var i = normalizeObjectUnits(config._i);
+        config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
+            return obj && parseInt(obj, 10);
+        });
+
+        configFromArray(config);
+    }
+
+    function createFromConfig (config) {
+        var res = new Moment(checkOverflow(prepareConfig(config)));
+        if (res._nextDay) {
+            // Adding is smart enough around DST
+            res.add(1, 'd');
+            res._nextDay = undefined;
+        }
+
+        return res;
+    }
+
+    function prepareConfig (config) {
+        var input = config._i,
+            format = config._f;
+
+        config._locale = config._locale || getLocale(config._l);
+
+        if (input === null || (format === undefined && input === '')) {
+            return createInvalid({nullInput: true});
+        }
+
+        if (typeof input === 'string') {
+            config._i = input = config._locale.preparse(input);
+        }
+
+        if (isMoment(input)) {
+            return new Moment(checkOverflow(input));
+        } else if (isDate(input)) {
+            config._d = input;
+        } else if (isArray(format)) {
+            configFromStringAndArray(config);
+        } else if (format) {
+            configFromStringAndFormat(config);
+        }  else {
+            configFromInput(config);
+        }
+
+        if (!isValid(config)) {
+            config._d = null;
+        }
+
+        return config;
+    }
+
+    function configFromInput(config) {
+        var input = config._i;
+        if (isUndefined(input)) {
+            config._d = new Date(hooks.now());
+        } else if (isDate(input)) {
+            config._d = new Date(input.valueOf());
+        } else if (typeof input === 'string') {
+            configFromString(config);
+        } else if (isArray(input)) {
+            config._a = map(input.slice(0), function (obj) {
+                return parseInt(obj, 10);
+            });
+            configFromArray(config);
+        } else if (isObject(input)) {
+            configFromObject(config);
+        } else if (isNumber(input)) {
+            // from milliseconds
+            config._d = new Date(input);
+        } else {
+            hooks.createFromInputFallback(config);
+        }
+    }
+
+    function createLocalOrUTC (input, format, locale, strict, isUTC) {
+        var c = {};
+
+        if (locale === true || locale === false) {
+            strict = locale;
+            locale = undefined;
+        }
+
+        if ((isObject(input) && isObjectEmpty(input)) ||
+                (isArray(input) && input.length === 0)) {
+            input = undefined;
+        }
+        // object construction must be done this way.
+        // https://github.com/moment/moment/issues/1423
+        c._isAMomentObject = true;
+        c._useUTC = c._isUTC = isUTC;
+        c._l = locale;
+        c._i = input;
+        c._f = format;
+        c._strict = strict;
+
+        return createFromConfig(c);
+    }
+
+    function createLocal (input, format, locale, strict) {
+        return createLocalOrUTC(input, format, locale, strict, false);
+    }
+
+    var prototypeMin = deprecate(
+        'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
+        function () {
+            var other = createLocal.apply(null, arguments);
+            if (this.isValid() && other.isValid()) {
+                return other < this ? this : other;
+            } else {
+                return createInvalid();
+            }
+        }
+    );
+
+    var prototypeMax = deprecate(
+        'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
+        function () {
+            var other = createLocal.apply(null, arguments);
+            if (this.isValid() && other.isValid()) {
+                return other > this ? this : other;
+            } else {
+                return createInvalid();
+            }
+        }
+    );
+
+    // Pick a moment m from moments so that m[fn](other) is true for all
+    // other. This relies on the function fn to be transitive.
+    //
+    // moments should either be an array of moment objects or an array, whose
+    // first element is an array of moment objects.
+    function pickBy(fn, moments) {
+        var res, i;
+        if (moments.length === 1 && isArray(moments[0])) {
+            moments = moments[0];
+        }
+        if (!moments.length) {
+            return createLocal();
+        }
+        res = moments[0];
+        for (i = 1; i < moments.length; ++i) {
+            if (!moments[i].isValid() || moments[i][fn](res)) {
+                res = moments[i];
+            }
+        }
+        return res;
+    }
+
+    // TODO: Use [].sort instead?
+    function min () {
+        var args = [].slice.call(arguments, 0);
+
+        return pickBy('isBefore', args);
+    }
+
+    function max () {
+        var args = [].slice.call(arguments, 0);
+
+        return pickBy('isAfter', args);
+    }
+
+    var now = function () {
+        return Date.now ? Date.now() : +(new Date());
+    };
+
+    var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];
+
+    function isDurationValid(m) {
+        for (var key in m) {
+            if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) {
+                return false;
+            }
+        }
+
+        var unitHasDecimal = false;
+        for (var i = 0; i < ordering.length; ++i) {
+            if (m[ordering[i]]) {
+                if (unitHasDecimal) {
+                    return false; // only allow non-integers for smallest unit
+                }
+                if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
+                    unitHasDecimal = true;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    function isValid$1() {
+        return this._isValid;
+    }
+
+    function createInvalid$1() {
+        return createDuration(NaN);
+    }
+
+    function Duration (duration) {
+        var normalizedInput = normalizeObjectUnits(duration),
+            years = normalizedInput.year || 0,
+            quarters = normalizedInput.quarter || 0,
+            months = normalizedInput.month || 0,
+            weeks = normalizedInput.week || normalizedInput.isoWeek || 0,
+            days = normalizedInput.day || 0,
+            hours = normalizedInput.hour || 0,
+            minutes = normalizedInput.minute || 0,
+            seconds = normalizedInput.second || 0,
+            milliseconds = normalizedInput.millisecond || 0;
+
+        this._isValid = isDurationValid(normalizedInput);
+
+        // representation for dateAddRemove
+        this._milliseconds = +milliseconds +
+            seconds * 1e3 + // 1000
+            minutes * 6e4 + // 1000 * 60
+            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
+        // Because of dateAddRemove treats 24 hours as different from a
+        // day when working around DST, we need to store them separately
+        this._days = +days +
+            weeks * 7;
+        // It is impossible to translate months into days without knowing
+        // which months you are are talking about, so we have to store
+        // it separately.
+        this._months = +months +
+            quarters * 3 +
+            years * 12;
+
+        this._data = {};
+
+        this._locale = getLocale();
+
+        this._bubble();
+    }
+
+    function isDuration (obj) {
+        return obj instanceof Duration;
+    }
+
+    function absRound (number) {
+        if (number < 0) {
+            return Math.round(-1 * number) * -1;
+        } else {
+            return Math.round(number);
+        }
+    }
+
+    // FORMATTING
+
+    function offset (token, separator) {
+        addFormatToken(token, 0, 0, function () {
+            var offset = this.utcOffset();
+            var sign = '+';
+            if (offset < 0) {
+                offset = -offset;
+                sign = '-';
+            }
+            return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
+        });
+    }
+
+    offset('Z', ':');
+    offset('ZZ', '');
+
+    // PARSING
+
+    addRegexToken('Z',  matchShortOffset);
+    addRegexToken('ZZ', matchShortOffset);
+    addParseToken(['Z', 'ZZ'], function (input, array, config) {
+        config._useUTC = true;
+        config._tzm = offsetFromString(matchShortOffset, input);
+    });
+
+    // HELPERS
+
+    // timezone chunker
+    // '+10:00' > ['10',  '00']
+    // '-1530'  > ['-15', '30']
+    var chunkOffset = /([\+\-]|\d\d)/gi;
+
+    function offsetFromString(matcher, string) {
+        var matches = (string || '').match(matcher);
+
+        if (matches === null) {
+            return null;
+        }
+
+        var chunk   = matches[matches.length - 1] || [];
+        var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
+        var minutes = +(parts[1] * 60) + toInt(parts[2]);
+
+        return minutes === 0 ?
+          0 :
+          parts[0] === '+' ? minutes : -minutes;
+    }
+
+    // Return a moment from input, that is local/utc/zone equivalent to model.
+    function cloneWithOffset(input, model) {
+        var res, diff;
+        if (model._isUTC) {
+            res = model.clone();
+            diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();
+            // Use low-level api, because this fn is low-level api.
+            res._d.setTime(res._d.valueOf() + diff);
+            hooks.updateOffset(res, false);
+            return res;
+        } else {
+            return createLocal(input).local();
+        }
+    }
+
+    function getDateOffset (m) {
+        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
+        // https://github.com/moment/moment/pull/1871
+        return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
+    }
+
+    // HOOKS
+
+    // This function will be called whenever a moment is mutated.
+    // It is intended to keep the offset in sync with the timezone.
+    hooks.updateOffset = function () {};
+
+    // MOMENTS
+
+    // keepLocalTime = true means only change the timezone, without
+    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
+    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
+    // +0200, so we adjust the time as needed, to be valid.
+    //
+    // Keeping the time actually adds/subtracts (one hour)
+    // from the actual represented time. That is why we call updateOffset
+    // a second time. In case it wants us to change the offset again
+    // _changeInProgress == true case, then we have to adjust, because
+    // there is no such time in the given timezone.
+    function getSetOffset (input, keepLocalTime, keepMinutes) {
+        var offset = this._offset || 0,
+            localAdjust;
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+        if (input != null) {
+            if (typeof input === 'string') {
+                input = offsetFromString(matchShortOffset, input);
+                if (input === null) {
+                    return this;
+                }
+            } else if (Math.abs(input) < 16 && !keepMinutes) {
+                input = input * 60;
+            }
+            if (!this._isUTC && keepLocalTime) {
+                localAdjust = getDateOffset(this);
+            }
+            this._offset = input;
+            this._isUTC = true;
+            if (localAdjust != null) {
+                this.add(localAdjust, 'm');
+            }
+            if (offset !== input) {
+                if (!keepLocalTime || this._changeInProgress) {
+                    addSubtract(this, createDuration(input - offset, 'm'), 1, false);
+                } else if (!this._changeInProgress) {
+                    this._changeInProgress = true;
+                    hooks.updateOffset(this, true);
+                    this._changeInProgress = null;
+                }
+            }
+            return this;
+        } else {
+            return this._isUTC ? offset : getDateOffset(this);
+        }
+    }
+
+    function getSetZone (input, keepLocalTime) {
+        if (input != null) {
+            if (typeof input !== 'string') {
+                input = -input;
+            }
+
+            this.utcOffset(input, keepLocalTime);
+
+            return this;
+        } else {
+            return -this.utcOffset();
+        }
+    }
+
+    function setOffsetToUTC (keepLocalTime) {
+        return this.utcOffset(0, keepLocalTime);
+    }
+
+    function setOffsetToLocal (keepLocalTime) {
+        if (this._isUTC) {
+            this.utcOffset(0, keepLocalTime);
+            this._isUTC = false;
+
+            if (keepLocalTime) {
+                this.subtract(getDateOffset(this), 'm');
+            }
+        }
+        return this;
+    }
+
+    function setOffsetToParsedOffset () {
+        if (this._tzm != null) {
+            this.utcOffset(this._tzm, false, true);
+        } else if (typeof this._i === 'string') {
+            var tZone = offsetFromString(matchOffset, this._i);
+            if (tZone != null) {
+                this.utcOffset(tZone);
+            }
+            else {
+                this.utcOffset(0, true);
+            }
+        }
+        return this;
+    }
+
+    function hasAlignedHourOffset (input) {
+        if (!this.isValid()) {
+            return false;
+        }
+        input = input ? createLocal(input).utcOffset() : 0;
+
+        return (this.utcOffset() - input) % 60 === 0;
+    }
+
+    function isDaylightSavingTime () {
+        return (
+            this.utcOffset() > this.clone().month(0).utcOffset() ||
+            this.utcOffset() > this.clone().month(5).utcOffset()
+        );
+    }
+
+    function isDaylightSavingTimeShifted () {
+        if (!isUndefined(this._isDSTShifted)) {
+            return this._isDSTShifted;
+        }
+
+        var c = {};
+
+        copyConfig(c, this);
+        c = prepareConfig(c);
+
+        if (c._a) {
+            var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
+            this._isDSTShifted = this.isValid() &&
+                compareArrays(c._a, other.toArray()) > 0;
+        } else {
+            this._isDSTShifted = false;
+        }
+
+        return this._isDSTShifted;
+    }
+
+    function isLocal () {
+        return this.isValid() ? !this._isUTC : false;
+    }
+
+    function isUtcOffset () {
+        return this.isValid() ? this._isUTC : false;
+    }
+
+    function isUtc () {
+        return this.isValid() ? this._isUTC && this._offset === 0 : false;
+    }
+
+    // ASP.NET json date format regex
+    var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/;
+
+    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
+    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
+    // and further modified to allow for strings containing both week and day
+    var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
+
+    function createDuration (input, key) {
+        var duration = input,
+            // matching against regexp is expensive, do it on demand
+            match = null,
+            sign,
+            ret,
+            diffRes;
+
+        if (isDuration(input)) {
+            duration = {
+                ms : input._milliseconds,
+                d  : input._days,
+                M  : input._months
+            };
+        } else if (isNumber(input)) {
+            duration = {};
+            if (key) {
+                duration[key] = input;
+            } else {
+                duration.milliseconds = input;
+            }
+        } else if (!!(match = aspNetRegex.exec(input))) {
+            sign = (match[1] === '-') ? -1 : 1;
+            duration = {
+                y  : 0,
+                d  : toInt(match[DATE])                         * sign,
+                h  : toInt(match[HOUR])                         * sign,
+                m  : toInt(match[MINUTE])                       * sign,
+                s  : toInt(match[SECOND])                       * sign,
+                ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
+            };
+        } else if (!!(match = isoRegex.exec(input))) {
+            sign = (match[1] === '-') ? -1 : 1;
+            duration = {
+                y : parseIso(match[2], sign),
+                M : parseIso(match[3], sign),
+                w : parseIso(match[4], sign),
+                d : parseIso(match[5], sign),
+                h : parseIso(match[6], sign),
+                m : parseIso(match[7], sign),
+                s : parseIso(match[8], sign)
+            };
+        } else if (duration == null) {// checks for null or undefined
+            duration = {};
+        } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
+            diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));
+
+            duration = {};
+            duration.ms = diffRes.milliseconds;
+            duration.M = diffRes.months;
+        }
+
+        ret = new Duration(duration);
+
+        if (isDuration(input) && hasOwnProp(input, '_locale')) {
+            ret._locale = input._locale;
+        }
+
+        return ret;
+    }
+
+    createDuration.fn = Duration.prototype;
+    createDuration.invalid = createInvalid$1;
+
+    function parseIso (inp, sign) {
+        // We'd normally use ~~inp for this, but unfortunately it also
+        // converts floats to ints.
+        // inp may be undefined, so careful calling replace on it.
+        var res = inp && parseFloat(inp.replace(',', '.'));
+        // apply sign while we're at it
+        return (isNaN(res) ? 0 : res) * sign;
+    }
+
+    function positiveMomentsDifference(base, other) {
+        var res = {};
+
+        res.months = other.month() - base.month() +
+            (other.year() - base.year()) * 12;
+        if (base.clone().add(res.months, 'M').isAfter(other)) {
+            --res.months;
+        }
+
+        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
+
+        return res;
+    }
+
+    function momentsDifference(base, other) {
+        var res;
+        if (!(base.isValid() && other.isValid())) {
+            return {milliseconds: 0, months: 0};
+        }
+
+        other = cloneWithOffset(other, base);
+        if (base.isBefore(other)) {
+            res = positiveMomentsDifference(base, other);
+        } else {
+            res = positiveMomentsDifference(other, base);
+            res.milliseconds = -res.milliseconds;
+            res.months = -res.months;
+        }
+
+        return res;
+    }
+
+    // TODO: remove 'name' arg after deprecation is removed
+    function createAdder(direction, name) {
+        return function (val, period) {
+            var dur, tmp;
+            //invert the arguments, but complain about it
+            if (period !== null && !isNaN(+period)) {
+                deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +
+                'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');
+                tmp = val; val = period; period = tmp;
+            }
+
+            val = typeof val === 'string' ? +val : val;
+            dur = createDuration(val, period);
+            addSubtract(this, dur, direction);
+            return this;
+        };
+    }
+
+    function addSubtract (mom, duration, isAdding, updateOffset) {
+        var milliseconds = duration._milliseconds,
+            days = absRound(duration._days),
+            months = absRound(duration._months);
+
+        if (!mom.isValid()) {
+            // No op
+            return;
+        }
+
+        updateOffset = updateOffset == null ? true : updateOffset;
+
+        if (months) {
+            setMonth(mom, get(mom, 'Month') + months * isAdding);
+        }
+        if (days) {
+            set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
+        }
+        if (milliseconds) {
+            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
+        }
+        if (updateOffset) {
+            hooks.updateOffset(mom, days || months);
+        }
+    }
+
+    var add      = createAdder(1, 'add');
+    var subtract = createAdder(-1, 'subtract');
+
+    function getCalendarFormat(myMoment, now) {
+        var diff = myMoment.diff(now, 'days', true);
+        return diff < -6 ? 'sameElse' :
+                diff < -1 ? 'lastWeek' :
+                diff < 0 ? 'lastDay' :
+                diff < 1 ? 'sameDay' :
+                diff < 2 ? 'nextDay' :
+                diff < 7 ? 'nextWeek' : 'sameElse';
+    }
+
+    function calendar$1 (time, formats) {
+        // We want to compare the start of today, vs this.
+        // Getting start-of-today depends on whether we're local/utc/offset or not.
+        var now = time || createLocal(),
+            sod = cloneWithOffset(now, this).startOf('day'),
+            format = hooks.calendarFormat(this, sod) || 'sameElse';
+
+        var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);
+
+        return this.format(output || this.localeData().calendar(format, this, createLocal(now)));
+    }
+
+    function clone () {
+        return new Moment(this);
+    }
+
+    function isAfter (input, units) {
+        var localInput = isMoment(input) ? input : createLocal(input);
+        if (!(this.isValid() && localInput.isValid())) {
+            return false;
+        }
+        units = normalizeUnits(units) || 'millisecond';
+        if (units === 'millisecond') {
+            return this.valueOf() > localInput.valueOf();
+        } else {
+            return localInput.valueOf() < this.clone().startOf(units).valueOf();
+        }
+    }
+
+    function isBefore (input, units) {
+        var localInput = isMoment(input) ? input : createLocal(input);
+        if (!(this.isValid() && localInput.isValid())) {
+            return false;
+        }
+        units = normalizeUnits(units) || 'millisecond';
+        if (units === 'millisecond') {
+            return this.valueOf() < localInput.valueOf();
+        } else {
+            return this.clone().endOf(units).valueOf() < localInput.valueOf();
+        }
+    }
+
+    function isBetween (from, to, units, inclusivity) {
+        var localFrom = isMoment(from) ? from : createLocal(from),
+            localTo = isMoment(to) ? to : createLocal(to);
+        if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {
+            return false;
+        }
+        inclusivity = inclusivity || '()';
+        return (inclusivity[0] === '(' ? this.isAfter(localFrom, units) : !this.isBefore(localFrom, units)) &&
+            (inclusivity[1] === ')' ? this.isBefore(localTo, units) : !this.isAfter(localTo, units));
+    }
+
+    function isSame (input, units) {
+        var localInput = isMoment(input) ? input : createLocal(input),
+            inputMs;
+        if (!(this.isValid() && localInput.isValid())) {
+            return false;
+        }
+        units = normalizeUnits(units) || 'millisecond';
+        if (units === 'millisecond') {
+            return this.valueOf() === localInput.valueOf();
+        } else {
+            inputMs = localInput.valueOf();
+            return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();
+        }
+    }
+
+    function isSameOrAfter (input, units) {
+        return this.isSame(input, units) || this.isAfter(input, units);
+    }
+
+    function isSameOrBefore (input, units) {
+        return this.isSame(input, units) || this.isBefore(input, units);
+    }
+
+    function diff (input, units, asFloat) {
+        var that,
+            zoneDelta,
+            output;
+
+        if (!this.isValid()) {
+            return NaN;
+        }
+
+        that = cloneWithOffset(input, this);
+
+        if (!that.isValid()) {
+            return NaN;
+        }
+
+        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;
+
+        units = normalizeUnits(units);
+
+        switch (units) {
+            case 'year': output = monthDiff(this, that) / 12; break;
+            case 'month': output = monthDiff(this, that); break;
+            case 'quarter': output = monthDiff(this, that) / 3; break;
+            case 'second': output = (this - that) / 1e3; break; // 1000
+            case 'minute': output = (this - that) / 6e4; break; // 1000 * 60
+            case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60
+            case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst
+            case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst
+            default: output = this - that;
+        }
+
+        return asFloat ? output : absFloor(output);
+    }
+
+    function monthDiff (a, b) {
+        // difference in months
+        var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
+            // b is in (anchor - 1 month, anchor + 1 month)
+            anchor = a.clone().add(wholeMonthDiff, 'months'),
+            anchor2, adjust;
+
+        if (b - anchor < 0) {
+            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
+            // linear across the month
+            adjust = (b - anchor) / (anchor - anchor2);
+        } else {
+            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
+            // linear across the month
+            adjust = (b - anchor) / (anchor2 - anchor);
+        }
+
+        //check for negative zero, return zero if negative zero
+        return -(wholeMonthDiff + adjust) || 0;
+    }
+
+    hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
+    hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';
+
+    function toString () {
+        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
+    }
+
+    function toISOString(keepOffset) {
+        if (!this.isValid()) {
+            return null;
+        }
+        var utc = keepOffset !== true;
+        var m = utc ? this.clone().utc() : this;
+        if (m.year() < 0 || m.year() > 9999) {
+            return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ');
+        }
+        if (isFunction(Date.prototype.toISOString)) {
+            // native implementation is ~50x faster, use it when we can
+            if (utc) {
+                return this.toDate().toISOString();
+            } else {
+                return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z'));
+            }
+        }
+        return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ');
+    }
+
+    /**
+     * Return a human readable representation of a moment that can
+     * also be evaluated to get a new moment which is the same
+     *
+     * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
+     */
+    function inspect () {
+        if (!this.isValid()) {
+            return 'moment.invalid(/* ' + this._i + ' */)';
+        }
+        var func = 'moment';
+        var zone = '';
+        if (!this.isLocal()) {
+            func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
+            zone = 'Z';
+        }
+        var prefix = '[' + func + '("]';
+        var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';
+        var datetime = '-MM-DD[T]HH:mm:ss.SSS';
+        var suffix = zone + '[")]';
+
+        return this.format(prefix + year + datetime + suffix);
+    }
+
+    function format (inputString) {
+        if (!inputString) {
+            inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;
+        }
+        var output = formatMoment(this, inputString);
+        return this.localeData().postformat(output);
+    }
+
+    function from (time, withoutSuffix) {
+        if (this.isValid() &&
+                ((isMoment(time) && time.isValid()) ||
+                 createLocal(time).isValid())) {
+            return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
+        } else {
+            return this.localeData().invalidDate();
+        }
+    }
+
+    function fromNow (withoutSuffix) {
+        return this.from(createLocal(), withoutSuffix);
+    }
+
+    function to (time, withoutSuffix) {
+        if (this.isValid() &&
+                ((isMoment(time) && time.isValid()) ||
+                 createLocal(time).isValid())) {
+            return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);
+        } else {
+            return this.localeData().invalidDate();
+        }
+    }
+
+    function toNow (withoutSuffix) {
+        return this.to(createLocal(), withoutSuffix);
+    }
+
+    // If passed a locale key, it will set the locale for this
+    // instance.  Otherwise, it will return the locale configuration
+    // variables for this instance.
+    function locale (key) {
+        var newLocaleData;
+
+        if (key === undefined) {
+            return this._locale._abbr;
+        } else {
+            newLocaleData = getLocale(key);
+            if (newLocaleData != null) {
+                this._locale = newLocaleData;
+            }
+            return this;
+        }
+    }
+
+    var lang = deprecate(
+        'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
+        function (key) {
+            if (key === undefined) {
+                return this.localeData();
+            } else {
+                return this.locale(key);
+            }
+        }
+    );
+
+    function localeData () {
+        return this._locale;
+    }
+
+    var MS_PER_SECOND = 1000;
+    var MS_PER_MINUTE = 60 * MS_PER_SECOND;
+    var MS_PER_HOUR = 60 * MS_PER_MINUTE;
+    var MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR;
+
+    // actual modulo - handles negative numbers (for dates before 1970):
+    function mod$1(dividend, divisor) {
+        return (dividend % divisor + divisor) % divisor;
+    }
+
+    function localStartOfDate(y, m, d) {
+        // the date constructor remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            // preserve leap years using a full 400 year cycle, then reset
+            return new Date(y + 400, m, d) - MS_PER_400_YEARS;
+        } else {
+            return new Date(y, m, d).valueOf();
+        }
+    }
+
+    function utcStartOfDate(y, m, d) {
+        // Date.UTC remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            // preserve leap years using a full 400 year cycle, then reset
+            return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;
+        } else {
+            return Date.UTC(y, m, d);
+        }
+    }
+
+    function startOf (units) {
+        var time;
+        units = normalizeUnits(units);
+        if (units === undefined || units === 'millisecond' || !this.isValid()) {
+            return this;
+        }
+
+        var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;
+
+        switch (units) {
+            case 'year':
+                time = startOfDate(this.year(), 0, 1);
+                break;
+            case 'quarter':
+                time = startOfDate(this.year(), this.month() - this.month() % 3, 1);
+                break;
+            case 'month':
+                time = startOfDate(this.year(), this.month(), 1);
+                break;
+            case 'week':
+                time = startOfDate(this.year(), this.month(), this.date() - this.weekday());
+                break;
+            case 'isoWeek':
+                time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1));
+                break;
+            case 'day':
+            case 'date':
+                time = startOfDate(this.year(), this.month(), this.date());
+                break;
+            case 'hour':
+                time = this._d.valueOf();
+                time -= mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR);
+                break;
+            case 'minute':
+                time = this._d.valueOf();
+                time -= mod$1(time, MS_PER_MINUTE);
+                break;
+            case 'second':
+                time = this._d.valueOf();
+                time -= mod$1(time, MS_PER_SECOND);
+                break;
+        }
+
+        this._d.setTime(time);
+        hooks.updateOffset(this, true);
+        return this;
+    }
+
+    function endOf (units) {
+        var time;
+        units = normalizeUnits(units);
+        if (units === undefined || units === 'millisecond' || !this.isValid()) {
+            return this;
+        }
+
+        var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;
+
+        switch (units) {
+            case 'year':
+                time = startOfDate(this.year() + 1, 0, 1) - 1;
+                break;
+            case 'quarter':
+                time = startOfDate(this.year(), this.month() - this.month() % 3 + 3, 1) - 1;
+                break;
+            case 'month':
+                time = startOfDate(this.year(), this.month() + 1, 1) - 1;
+                break;
+            case 'week':
+                time = startOfDate(this.year(), this.month(), this.date() - this.weekday() + 7) - 1;
+                break;
+            case 'isoWeek':
+                time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1) + 7) - 1;
+                break;
+            case 'day':
+            case 'date':
+                time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;
+                break;
+            case 'hour':
+                time = this._d.valueOf();
+                time += MS_PER_HOUR - mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR) - 1;
+                break;
+            case 'minute':
+                time = this._d.valueOf();
+                time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;
+                break;
+            case 'second':
+                time = this._d.valueOf();
+                time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;
+                break;
+        }
+
+        this._d.setTime(time);
+        hooks.updateOffset(this, true);
+        return this;
+    }
+
+    function valueOf () {
+        return this._d.valueOf() - ((this._offset || 0) * 60000);
+    }
+
+    function unix () {
+        return Math.floor(this.valueOf() / 1000);
+    }
+
+    function toDate () {
+        return new Date(this.valueOf());
+    }
+
+    function toArray () {
+        var m = this;
+        return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
+    }
+
+    function toObject () {
+        var m = this;
+        return {
+            years: m.year(),
+            months: m.month(),
+            date: m.date(),
+            hours: m.hours(),
+            minutes: m.minutes(),
+            seconds: m.seconds(),
+            milliseconds: m.milliseconds()
+        };
+    }
+
+    function toJSON () {
+        // new Date(NaN).toJSON() === null
+        return this.isValid() ? this.toISOString() : null;
+    }
+
+    function isValid$2 () {
+        return isValid(this);
+    }
+
+    function parsingFlags () {
+        return extend({}, getParsingFlags(this));
+    }
+
+    function invalidAt () {
+        return getParsingFlags(this).overflow;
+    }
+
+    function creationData() {
+        return {
+            input: this._i,
+            format: this._f,
+            locale: this._locale,
+            isUTC: this._isUTC,
+            strict: this._strict
+        };
+    }
+
+    // FORMATTING
+
+    addFormatToken(0, ['gg', 2], 0, function () {
+        return this.weekYear() % 100;
+    });
+
+    addFormatToken(0, ['GG', 2], 0, function () {
+        return this.isoWeekYear() % 100;
+    });
+
+    function addWeekYearFormatToken (token, getter) {
+        addFormatToken(0, [token, token.length], 0, getter);
+    }
+
+    addWeekYearFormatToken('gggg',     'weekYear');
+    addWeekYearFormatToken('ggggg',    'weekYear');
+    addWeekYearFormatToken('GGGG',  'isoWeekYear');
+    addWeekYearFormatToken('GGGGG', 'isoWeekYear');
+
+    // ALIASES
+
+    addUnitAlias('weekYear', 'gg');
+    addUnitAlias('isoWeekYear', 'GG');
+
+    // PRIORITY
+
+    addUnitPriority('weekYear', 1);
+    addUnitPriority('isoWeekYear', 1);
+
+
+    // PARSING
+
+    addRegexToken('G',      matchSigned);
+    addRegexToken('g',      matchSigned);
+    addRegexToken('GG',     match1to2, match2);
+    addRegexToken('gg',     match1to2, match2);
+    addRegexToken('GGGG',   match1to4, match4);
+    addRegexToken('gggg',   match1to4, match4);
+    addRegexToken('GGGGG',  match1to6, match6);
+    addRegexToken('ggggg',  match1to6, match6);
+
+    addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
+        week[token.substr(0, 2)] = toInt(input);
+    });
+
+    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
+        week[token] = hooks.parseTwoDigitYear(input);
+    });
+
+    // MOMENTS
+
+    function getSetWeekYear (input) {
+        return getSetWeekYearHelper.call(this,
+                input,
+                this.week(),
+                this.weekday(),
+                this.localeData()._week.dow,
+                this.localeData()._week.doy);
+    }
+
+    function getSetISOWeekYear (input) {
+        return getSetWeekYearHelper.call(this,
+                input, this.isoWeek(), this.isoWeekday(), 1, 4);
+    }
+
+    function getISOWeeksInYear () {
+        return weeksInYear(this.year(), 1, 4);
+    }
+
+    function getWeeksInYear () {
+        var weekInfo = this.localeData()._week;
+        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
+    }
+
+    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
+        var weeksTarget;
+        if (input == null) {
+            return weekOfYear(this, dow, doy).year;
+        } else {
+            weeksTarget = weeksInYear(input, dow, doy);
+            if (week > weeksTarget) {
+                week = weeksTarget;
+            }
+            return setWeekAll.call(this, input, week, weekday, dow, doy);
+        }
+    }
+
+    function setWeekAll(weekYear, week, weekday, dow, doy) {
+        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
+            date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
+
+        this.year(date.getUTCFullYear());
+        this.month(date.getUTCMonth());
+        this.date(date.getUTCDate());
+        return this;
+    }
+
+    // FORMATTING
+
+    addFormatToken('Q', 0, 'Qo', 'quarter');
+
+    // ALIASES
+
+    addUnitAlias('quarter', 'Q');
+
+    // PRIORITY
+
+    addUnitPriority('quarter', 7);
+
+    // PARSING
+
+    addRegexToken('Q', match1);
+    addParseToken('Q', function (input, array) {
+        array[MONTH] = (toInt(input) - 1) * 3;
+    });
+
+    // MOMENTS
+
+    function getSetQuarter (input) {
+        return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
+    }
+
+    // FORMATTING
+
+    addFormatToken('D', ['DD', 2], 'Do', 'date');
+
+    // ALIASES
+
+    addUnitAlias('date', 'D');
+
+    // PRIORITY
+    addUnitPriority('date', 9);
+
+    // PARSING
+
+    addRegexToken('D',  match1to2);
+    addRegexToken('DD', match1to2, match2);
+    addRegexToken('Do', function (isStrict, locale) {
+        // TODO: Remove "ordinalParse" fallback in next major release.
+        return isStrict ?
+          (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :
+          locale._dayOfMonthOrdinalParseLenient;
+    });
+
+    addParseToken(['D', 'DD'], DATE);
+    addParseToken('Do', function (input, array) {
+        array[DATE] = toInt(input.match(match1to2)[0]);
+    });
+
+    // MOMENTS
+
+    var getSetDayOfMonth = makeGetSet('Date', true);
+
+    // FORMATTING
+
+    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
+
+    // ALIASES
+
+    addUnitAlias('dayOfYear', 'DDD');
+
+    // PRIORITY
+    addUnitPriority('dayOfYear', 4);
+
+    // PARSING
+
+    addRegexToken('DDD',  match1to3);
+    addRegexToken('DDDD', match3);
+    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
+        config._dayOfYear = toInt(input);
+    });
+
+    // HELPERS
+
+    // MOMENTS
+
+    function getSetDayOfYear (input) {
+        var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
+        return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
+    }
+
+    // FORMATTING
+
+    addFormatToken('m', ['mm', 2], 0, 'minute');
+
+    // ALIASES
+
+    addUnitAlias('minute', 'm');
+
+    // PRIORITY
+
+    addUnitPriority('minute', 14);
+
+    // PARSING
+
+    addRegexToken('m',  match1to2);
+    addRegexToken('mm', match1to2, match2);
+    addParseToken(['m', 'mm'], MINUTE);
+
+    // MOMENTS
+
+    var getSetMinute = makeGetSet('Minutes', false);
+
+    // FORMATTING
+
+    addFormatToken('s', ['ss', 2], 0, 'second');
+
+    // ALIASES
+
+    addUnitAlias('second', 's');
+
+    // PRIORITY
+
+    addUnitPriority('second', 15);
+
+    // PARSING
+
+    addRegexToken('s',  match1to2);
+    addRegexToken('ss', match1to2, match2);
+    addParseToken(['s', 'ss'], SECOND);
+
+    // MOMENTS
+
+    var getSetSecond = makeGetSet('Seconds', false);
+
+    // FORMATTING
+
+    addFormatToken('S', 0, 0, function () {
+        return ~~(this.millisecond() / 100);
+    });
+
+    addFormatToken(0, ['SS', 2], 0, function () {
+        return ~~(this.millisecond() / 10);
+    });
+
+    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
+    addFormatToken(0, ['SSSS', 4], 0, function () {
+        return this.millisecond() * 10;
+    });
+    addFormatToken(0, ['SSSSS', 5], 0, function () {
+        return this.millisecond() * 100;
+    });
+    addFormatToken(0, ['SSSSSS', 6], 0, function () {
+        return this.millisecond() * 1000;
+    });
+    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
+        return this.millisecond() * 10000;
+    });
+    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
+        return this.millisecond() * 100000;
+    });
+    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
+        return this.millisecond() * 1000000;
+    });
+
+
+    // ALIASES
+
+    addUnitAlias('millisecond', 'ms');
+
+    // PRIORITY
+
+    addUnitPriority('millisecond', 16);
+
+    // PARSING
+
+    addRegexToken('S',    match1to3, match1);
+    addRegexToken('SS',   match1to3, match2);
+    addRegexToken('SSS',  match1to3, match3);
+
+    var token;
+    for (token = 'SSSS'; token.length <= 9; token += 'S') {
+        addRegexToken(token, matchUnsigned);
+    }
+
+    function parseMs(input, array) {
+        array[MILLISECOND] = toInt(('0.' + input) * 1000);
+    }
+
+    for (token = 'S'; token.length <= 9; token += 'S') {
+        addParseToken(token, parseMs);
+    }
+    // MOMENTS
+
+    var getSetMillisecond = makeGetSet('Milliseconds', false);
+
+    // FORMATTING
+
+    addFormatToken('z',  0, 0, 'zoneAbbr');
+    addFormatToken('zz', 0, 0, 'zoneName');
+
+    // MOMENTS
+
+    function getZoneAbbr () {
+        return this._isUTC ? 'UTC' : '';
+    }
+
+    function getZoneName () {
+        return this._isUTC ? 'Coordinated Universal Time' : '';
+    }
+
+    var proto = Moment.prototype;
+
+    proto.add               = add;
+    proto.calendar          = calendar$1;
+    proto.clone             = clone;
+    proto.diff              = diff;
+    proto.endOf             = endOf;
+    proto.format            = format;
+    proto.from              = from;
+    proto.fromNow           = fromNow;
+    proto.to                = to;
+    proto.toNow             = toNow;
+    proto.get               = stringGet;
+    proto.invalidAt         = invalidAt;
+    proto.isAfter           = isAfter;
+    proto.isBefore          = isBefore;
+    proto.isBetween         = isBetween;
+    proto.isSame            = isSame;
+    proto.isSameOrAfter     = isSameOrAfter;
+    proto.isSameOrBefore    = isSameOrBefore;
+    proto.isValid           = isValid$2;
+    proto.lang              = lang;
+    proto.locale            = locale;
+    proto.localeData        = localeData;
+    proto.max               = prototypeMax;
+    proto.min               = prototypeMin;
+    proto.parsingFlags      = parsingFlags;
+    proto.set               = stringSet;
+    proto.startOf           = startOf;
+    proto.subtract          = subtract;
+    proto.toArray           = toArray;
+    proto.toObject          = toObject;
+    proto.toDate            = toDate;
+    proto.toISOString       = toISOString;
+    proto.inspect           = inspect;
+    proto.toJSON            = toJSON;
+    proto.toString          = toString;
+    proto.unix              = unix;
+    proto.valueOf           = valueOf;
+    proto.creationData      = creationData;
+    proto.year       = getSetYear;
+    proto.isLeapYear = getIsLeapYear;
+    proto.weekYear    = getSetWeekYear;
+    proto.isoWeekYear = getSetISOWeekYear;
+    proto.quarter = proto.quarters = getSetQuarter;
+    proto.month       = getSetMonth;
+    proto.daysInMonth = getDaysInMonth;
+    proto.week           = proto.weeks        = getSetWeek;
+    proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;
+    proto.weeksInYear    = getWeeksInYear;
+    proto.isoWeeksInYear = getISOWeeksInYear;
+    proto.date       = getSetDayOfMonth;
+    proto.day        = proto.days             = getSetDayOfWeek;
+    proto.weekday    = getSetLocaleDayOfWeek;
+    proto.isoWeekday = getSetISODayOfWeek;
+    proto.dayOfYear  = getSetDayOfYear;
+    proto.hour = proto.hours = getSetHour;
+    proto.minute = proto.minutes = getSetMinute;
+    proto.second = proto.seconds = getSetSecond;
+    proto.millisecond = proto.milliseconds = getSetMillisecond;
+    proto.utcOffset            = getSetOffset;
+    proto.utc                  = setOffsetToUTC;
+    proto.local                = setOffsetToLocal;
+    proto.parseZone            = setOffsetToParsedOffset;
+    proto.hasAlignedHourOffset = hasAlignedHourOffset;
+    proto.isDST                = isDaylightSavingTime;
+    proto.isLocal              = isLocal;
+    proto.isUtcOffset          = isUtcOffset;
+    proto.isUtc                = isUtc;
+    proto.isUTC                = isUtc;
+    proto.zoneAbbr = getZoneAbbr;
+    proto.zoneName = getZoneName;
+    proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
+    proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
+    proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
+    proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);
+    proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);
+
+    function createUnix (input) {
+        return createLocal(input * 1000);
+    }
+
+    function createInZone () {
+        return createLocal.apply(null, arguments).parseZone();
+    }
+
+    function preParsePostFormat (string) {
+        return string;
+    }
+
+    var proto$1 = Locale.prototype;
+
+    proto$1.calendar        = calendar;
+    proto$1.longDateFormat  = longDateFormat;
+    proto$1.invalidDate     = invalidDate;
+    proto$1.ordinal         = ordinal;
+    proto$1.preparse        = preParsePostFormat;
+    proto$1.postformat      = preParsePostFormat;
+    proto$1.relativeTime    = relativeTime;
+    proto$1.pastFuture      = pastFuture;
+    proto$1.set             = set;
+
+    proto$1.months            =        localeMonths;
+    proto$1.monthsShort       =        localeMonthsShort;
+    proto$1.monthsParse       =        localeMonthsParse;
+    proto$1.monthsRegex       = monthsRegex;
+    proto$1.monthsShortRegex  = monthsShortRegex;
+    proto$1.week = localeWeek;
+    proto$1.firstDayOfYear = localeFirstDayOfYear;
+    proto$1.firstDayOfWeek = localeFirstDayOfWeek;
+
+    proto$1.weekdays       =        localeWeekdays;
+    proto$1.weekdaysMin    =        localeWeekdaysMin;
+    proto$1.weekdaysShort  =        localeWeekdaysShort;
+    proto$1.weekdaysParse  =        localeWeekdaysParse;
+
+    proto$1.weekdaysRegex       =        weekdaysRegex;
+    proto$1.weekdaysShortRegex  =        weekdaysShortRegex;
+    proto$1.weekdaysMinRegex    =        weekdaysMinRegex;
+
+    proto$1.isPM = localeIsPM;
+    proto$1.meridiem = localeMeridiem;
+
+    function get$1 (format, index, field, setter) {
+        var locale = getLocale();
+        var utc = createUTC().set(setter, index);
+        return locale[field](utc, format);
+    }
+
+    function listMonthsImpl (format, index, field) {
+        if (isNumber(format)) {
+            index = format;
+            format = undefined;
+        }
+
+        format = format || '';
+
+        if (index != null) {
+            return get$1(format, index, field, 'month');
+        }
+
+        var i;
+        var out = [];
+        for (i = 0; i < 12; i++) {
+            out[i] = get$1(format, i, field, 'month');
+        }
+        return out;
+    }
+
+    // ()
+    // (5)
+    // (fmt, 5)
+    // (fmt)
+    // (true)
+    // (true, 5)
+    // (true, fmt, 5)
+    // (true, fmt)
+    function listWeekdaysImpl (localeSorted, format, index, field) {
+        if (typeof localeSorted === 'boolean') {
+            if (isNumber(format)) {
+                index = format;
+                format = undefined;
+            }
+
+            format = format || '';
+        } else {
+            format = localeSorted;
+            index = format;
+            localeSorted = false;
+
+            if (isNumber(format)) {
+                index = format;
+                format = undefined;
+            }
+
+            format = format || '';
+        }
+
+        var locale = getLocale(),
+            shift = localeSorted ? locale._week.dow : 0;
+
+        if (index != null) {
+            return get$1(format, (index + shift) % 7, field, 'day');
+        }
+
+        var i;
+        var out = [];
+        for (i = 0; i < 7; i++) {
+            out[i] = get$1(format, (i + shift) % 7, field, 'day');
+        }
+        return out;
+    }
+
+    function listMonths (format, index) {
+        return listMonthsImpl(format, index, 'months');
+    }
+
+    function listMonthsShort (format, index) {
+        return listMonthsImpl(format, index, 'monthsShort');
+    }
+
+    function listWeekdays (localeSorted, format, index) {
+        return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
+    }
+
+    function listWeekdaysShort (localeSorted, format, index) {
+        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
+    }
+
+    function listWeekdaysMin (localeSorted, format, index) {
+        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
+    }
+
+    getSetGlobalLocale('en', {
+        dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
+        ordinal : function (number) {
+            var b = number % 10,
+                output = (toInt(number % 100 / 10) === 1) ? 'th' :
+                (b === 1) ? 'st' :
+                (b === 2) ? 'nd' :
+                (b === 3) ? 'rd' : 'th';
+            return number + output;
+        }
+    });
+
+    // Side effect imports
+
+    hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);
+    hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);
+
+    var mathAbs = Math.abs;
+
+    function abs () {
+        var data           = this._data;
+
+        this._milliseconds = mathAbs(this._milliseconds);
+        this._days         = mathAbs(this._days);
+        this._months       = mathAbs(this._months);
+
+        data.milliseconds  = mathAbs(data.milliseconds);
+        data.seconds       = mathAbs(data.seconds);
+        data.minutes       = mathAbs(data.minutes);
+        data.hours         = mathAbs(data.hours);
+        data.months        = mathAbs(data.months);
+        data.years         = mathAbs(data.years);
+
+        return this;
+    }
+
+    function addSubtract$1 (duration, input, value, direction) {
+        var other = createDuration(input, value);
+
+        duration._milliseconds += direction * other._milliseconds;
+        duration._days         += direction * other._days;
+        duration._months       += direction * other._months;
+
+        return duration._bubble();
+    }
+
+    // supports only 2.0-style add(1, 's') or add(duration)
+    function add$1 (input, value) {
+        return addSubtract$1(this, input, value, 1);
+    }
+
+    // supports only 2.0-style subtract(1, 's') or subtract(duration)
+    function subtract$1 (input, value) {
+        return addSubtract$1(this, input, value, -1);
+    }
+
+    function absCeil (number) {
+        if (number < 0) {
+            return Math.floor(number);
+        } else {
+            return Math.ceil(number);
+        }
+    }
+
+    function bubble () {
+        var milliseconds = this._milliseconds;
+        var days         = this._days;
+        var months       = this._months;
+        var data         = this._data;
+        var seconds, minutes, hours, years, monthsFromDays;
+
+        // if we have a mix of positive and negative values, bubble down first
+        // check: https://github.com/moment/moment/issues/2166
+        if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
+                (milliseconds <= 0 && days <= 0 && months <= 0))) {
+            milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
+            days = 0;
+            months = 0;
+        }
+
+        // The following code bubbles up values, see the tests for
+        // examples of what that means.
+        data.milliseconds = milliseconds % 1000;
+
+        seconds           = absFloor(milliseconds / 1000);
+        data.seconds      = seconds % 60;
+
+        minutes           = absFloor(seconds / 60);
+        data.minutes      = minutes % 60;
+
+        hours             = absFloor(minutes / 60);
+        data.hours        = hours % 24;
+
+        days += absFloor(hours / 24);
+
+        // convert days to months
+        monthsFromDays = absFloor(daysToMonths(days));
+        months += monthsFromDays;
+        days -= absCeil(monthsToDays(monthsFromDays));
+
+        // 12 months -> 1 year
+        years = absFloor(months / 12);
+        months %= 12;
+
+        data.days   = days;
+        data.months = months;
+        data.years  = years;
+
+        return this;
+    }
+
+    function daysToMonths (days) {
+        // 400 years have 146097 days (taking into account leap year rules)
+        // 400 years have 12 months === 4800
+        return days * 4800 / 146097;
+    }
+
+    function monthsToDays (months) {
+        // the reverse of daysToMonths
+        return months * 146097 / 4800;
+    }
+
+    function as (units) {
+        if (!this.isValid()) {
+            return NaN;
+        }
+        var days;
+        var months;
+        var milliseconds = this._milliseconds;
+
+        units = normalizeUnits(units);
+
+        if (units === 'month' || units === 'quarter' || units === 'year') {
+            days = this._days + milliseconds / 864e5;
+            months = this._months + daysToMonths(days);
+            switch (units) {
+                case 'month':   return months;
+                case 'quarter': return months / 3;
+                case 'year':    return months / 12;
+            }
+        } else {
+            // handle milliseconds separately because of floating point math errors (issue #1867)
+            days = this._days + Math.round(monthsToDays(this._months));
+            switch (units) {
+                case 'week'   : return days / 7     + milliseconds / 6048e5;
+                case 'day'    : return days         + milliseconds / 864e5;
+                case 'hour'   : return days * 24    + milliseconds / 36e5;
+                case 'minute' : return days * 1440  + milliseconds / 6e4;
+                case 'second' : return days * 86400 + milliseconds / 1000;
+                // Math.floor prevents floating point math errors here
+                case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
+                default: throw new Error('Unknown unit ' + units);
+            }
+        }
+    }
+
+    // TODO: Use this.as('ms')?
+    function valueOf$1 () {
+        if (!this.isValid()) {
+            return NaN;
+        }
+        return (
+            this._milliseconds +
+            this._days * 864e5 +
+            (this._months % 12) * 2592e6 +
+            toInt(this._months / 12) * 31536e6
+        );
+    }
+
+    function makeAs (alias) {
+        return function () {
+            return this.as(alias);
+        };
+    }
+
+    var asMilliseconds = makeAs('ms');
+    var asSeconds      = makeAs('s');
+    var asMinutes      = makeAs('m');
+    var asHours        = makeAs('h');
+    var asDays         = makeAs('d');
+    var asWeeks        = makeAs('w');
+    var asMonths       = makeAs('M');
+    var asQuarters     = makeAs('Q');
+    var asYears        = makeAs('y');
+
+    function clone$1 () {
+        return createDuration(this);
+    }
+
+    function get$2 (units) {
+        units = normalizeUnits(units);
+        return this.isValid() ? this[units + 's']() : NaN;
+    }
+
+    function makeGetter(name) {
+        return function () {
+            return this.isValid() ? this._data[name] : NaN;
+        };
+    }
+
+    var milliseconds = makeGetter('milliseconds');
+    var seconds      = makeGetter('seconds');
+    var minutes      = makeGetter('minutes');
+    var hours        = makeGetter('hours');
+    var days         = makeGetter('days');
+    var months       = makeGetter('months');
+    var years        = makeGetter('years');
+
+    function weeks () {
+        return absFloor(this.days() / 7);
+    }
+
+    var round = Math.round;
+    var thresholds = {
+        ss: 44,         // a few seconds to seconds
+        s : 45,         // seconds to minute
+        m : 45,         // minutes to hour
+        h : 22,         // hours to day
+        d : 26,         // days to month
+        M : 11          // months to year
+    };
+
+    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
+    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
+        return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
+    }
+
+    function relativeTime$1 (posNegDuration, withoutSuffix, locale) {
+        var duration = createDuration(posNegDuration).abs();
+        var seconds  = round(duration.as('s'));
+        var minutes  = round(duration.as('m'));
+        var hours    = round(duration.as('h'));
+        var days     = round(duration.as('d'));
+        var months   = round(duration.as('M'));
+        var years    = round(duration.as('y'));
+
+        var a = seconds <= thresholds.ss && ['s', seconds]  ||
+                seconds < thresholds.s   && ['ss', seconds] ||
+                minutes <= 1             && ['m']           ||
+                minutes < thresholds.m   && ['mm', minutes] ||
+                hours   <= 1             && ['h']           ||
+                hours   < thresholds.h   && ['hh', hours]   ||
+                days    <= 1             && ['d']           ||
+                days    < thresholds.d   && ['dd', days]    ||
+                months  <= 1             && ['M']           ||
+                months  < thresholds.M   && ['MM', months]  ||
+                years   <= 1             && ['y']           || ['yy', years];
+
+        a[2] = withoutSuffix;
+        a[3] = +posNegDuration > 0;
+        a[4] = locale;
+        return substituteTimeAgo.apply(null, a);
+    }
+
+    // This function allows you to set the rounding function for relative time strings
+    function getSetRelativeTimeRounding (roundingFunction) {
+        if (roundingFunction === undefined) {
+            return round;
+        }
+        if (typeof(roundingFunction) === 'function') {
+            round = roundingFunction;
+            return true;
+        }
+        return false;
+    }
+
+    // This function allows you to set a threshold for relative time strings
+    function getSetRelativeTimeThreshold (threshold, limit) {
+        if (thresholds[threshold] === undefined) {
+            return false;
+        }
+        if (limit === undefined) {
+            return thresholds[threshold];
+        }
+        thresholds[threshold] = limit;
+        if (threshold === 's') {
+            thresholds.ss = limit - 1;
+        }
+        return true;
+    }
+
+    function humanize (withSuffix) {
+        if (!this.isValid()) {
+            return this.localeData().invalidDate();
+        }
+
+        var locale = this.localeData();
+        var output = relativeTime$1(this, !withSuffix, locale);
+
+        if (withSuffix) {
+            output = locale.pastFuture(+this, output);
+        }
+
+        return locale.postformat(output);
+    }
+
+    var abs$1 = Math.abs;
+
+    function sign(x) {
+        return ((x > 0) - (x < 0)) || +x;
+    }
+
+    function toISOString$1() {
+        // for ISO strings we do not use the normal bubbling rules:
+        //  * milliseconds bubble up until they become hours
+        //  * days do not bubble at all
+        //  * months bubble up until they become years
+        // This is because there is no context-free conversion between hours and days
+        // (think of clock changes)
+        // and also not between days and months (28-31 days per month)
+        if (!this.isValid()) {
+            return this.localeData().invalidDate();
+        }
+
+        var seconds = abs$1(this._milliseconds) / 1000;
+        var days         = abs$1(this._days);
+        var months       = abs$1(this._months);
+        var minutes, hours, years;
+
+        // 3600 seconds -> 60 minutes -> 1 hour
+        minutes           = absFloor(seconds / 60);
+        hours             = absFloor(minutes / 60);
+        seconds %= 60;
+        minutes %= 60;
+
+        // 12 months -> 1 year
+        years  = absFloor(months / 12);
+        months %= 12;
+
+
+        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
+        var Y = years;
+        var M = months;
+        var D = days;
+        var h = hours;
+        var m = minutes;
+        var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : '';
+        var total = this.asSeconds();
+
+        if (!total) {
+            // this is the same as C#'s (Noda) and python (isodate)...
+            // but not other JS (goog.date)
+            return 'P0D';
+        }
+
+        var totalSign = total < 0 ? '-' : '';
+        var ymSign = sign(this._months) !== sign(total) ? '-' : '';
+        var daysSign = sign(this._days) !== sign(total) ? '-' : '';
+        var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';
+
+        return totalSign + 'P' +
+            (Y ? ymSign + Y + 'Y' : '') +
+            (M ? ymSign + M + 'M' : '') +
+            (D ? daysSign + D + 'D' : '') +
+            ((h || m || s) ? 'T' : '') +
+            (h ? hmsSign + h + 'H' : '') +
+            (m ? hmsSign + m + 'M' : '') +
+            (s ? hmsSign + s + 'S' : '');
+    }
+
+    var proto$2 = Duration.prototype;
+
+    proto$2.isValid        = isValid$1;
+    proto$2.abs            = abs;
+    proto$2.add            = add$1;
+    proto$2.subtract       = subtract$1;
+    proto$2.as             = as;
+    proto$2.asMilliseconds = asMilliseconds;
+    proto$2.asSeconds      = asSeconds;
+    proto$2.asMinutes      = asMinutes;
+    proto$2.asHours        = asHours;
+    proto$2.asDays         = asDays;
+    proto$2.asWeeks        = asWeeks;
+    proto$2.asMonths       = asMonths;
+    proto$2.asQuarters     = asQuarters;
+    proto$2.asYears        = asYears;
+    proto$2.valueOf        = valueOf$1;
+    proto$2._bubble        = bubble;
+    proto$2.clone          = clone$1;
+    proto$2.get            = get$2;
+    proto$2.milliseconds   = milliseconds;
+    proto$2.seconds        = seconds;
+    proto$2.minutes        = minutes;
+    proto$2.hours          = hours;
+    proto$2.days           = days;
+    proto$2.weeks          = weeks;
+    proto$2.months         = months;
+    proto$2.years          = years;
+    proto$2.humanize       = humanize;
+    proto$2.toISOString    = toISOString$1;
+    proto$2.toString       = toISOString$1;
+    proto$2.toJSON         = toISOString$1;
+    proto$2.locale         = locale;
+    proto$2.localeData     = localeData;
+
+    proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);
+    proto$2.lang = lang;
+
+    // Side effect imports
+
+    // FORMATTING
+
+    addFormatToken('X', 0, 0, 'unix');
+    addFormatToken('x', 0, 0, 'valueOf');
+
+    // PARSING
+
+    addRegexToken('x', matchSigned);
+    addRegexToken('X', matchTimestamp);
+    addParseToken('X', function (input, array, config) {
+        config._d = new Date(parseFloat(input, 10) * 1000);
+    });
+    addParseToken('x', function (input, array, config) {
+        config._d = new Date(toInt(input));
+    });
+
+    // Side effect imports
+
+
+    hooks.version = '2.24.0';
+
+    setHookCallback(createLocal);
+
+    hooks.fn                    = proto;
+    hooks.min                   = min;
+    hooks.max                   = max;
+    hooks.now                   = now;
+    hooks.utc                   = createUTC;
+    hooks.unix                  = createUnix;
+    hooks.months                = listMonths;
+    hooks.isDate                = isDate;
+    hooks.locale                = getSetGlobalLocale;
+    hooks.invalid               = createInvalid;
+    hooks.duration              = createDuration;
+    hooks.isMoment              = isMoment;
+    hooks.weekdays              = listWeekdays;
+    hooks.parseZone             = createInZone;
+    hooks.localeData            = getLocale;
+    hooks.isDuration            = isDuration;
+    hooks.monthsShort           = listMonthsShort;
+    hooks.weekdaysMin           = listWeekdaysMin;
+    hooks.defineLocale          = defineLocale;
+    hooks.updateLocale          = updateLocale;
+    hooks.locales               = listLocales;
+    hooks.weekdaysShort         = listWeekdaysShort;
+    hooks.normalizeUnits        = normalizeUnits;
+    hooks.relativeTimeRounding  = getSetRelativeTimeRounding;
+    hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
+    hooks.calendarFormat        = getCalendarFormat;
+    hooks.prototype             = proto;
+
+    // currently HTML5 input type only supports 24-hour formats
+    hooks.HTML5_FMT = {
+        DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm',             // <input type="datetime-local" />
+        DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss',  // <input type="datetime-local" step="1" />
+        DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS',   // <input type="datetime-local" step="0.001" />
+        DATE: 'YYYY-MM-DD',                             // <input type="date" />
+        TIME: 'HH:mm',                                  // <input type="time" />
+        TIME_SECONDS: 'HH:mm:ss',                       // <input type="time" step="1" />
+        TIME_MS: 'HH:mm:ss.SSS',                        // <input type="time" step="0.001" />
+        WEEK: 'GGGG-[W]WW',                             // <input type="week" />
+        MONTH: 'YYYY-MM'                                // <input type="month" />
+    };
+
+    return hooks;
+
+})));
+});
+
+var FORMATS = {
+	datetime: 'MMM D, YYYY, h:mm:ss a',
+	millisecond: 'h:mm:ss.SSS a',
+	second: 'h:mm:ss a',
+	minute: 'h:mm a',
+	hour: 'hA',
+	day: 'MMM D',
+	week: 'll',
+	month: 'MMM YYYY',
+	quarter: '[Q]Q - YYYY',
+	year: 'YYYY'
+};
+
+core_adapters._date.override(typeof moment === 'function' ? {
+	_id: 'moment', // DEBUG ONLY
+
+	formats: function() {
+		return FORMATS;
+	},
+
+	parse: function(value, format) {
+		if (typeof value === 'string' && typeof format === 'string') {
+			value = moment(value, format);
+		} else if (!(value instanceof moment)) {
+			value = moment(value);
+		}
+		return value.isValid() ? value.valueOf() : null;
+	},
+
+	format: function(time, format) {
+		return moment(time).format(format);
+	},
+
+	add: function(time, amount, unit) {
+		return moment(time).add(amount, unit).valueOf();
+	},
+
+	diff: function(max, min, unit) {
+		return moment(max).diff(moment(min), unit);
+	},
+
+	startOf: function(time, unit, weekday) {
+		time = moment(time);
+		if (unit === 'isoWeek') {
+			return time.isoWeekday(weekday).valueOf();
+		}
+		return time.startOf(unit).valueOf();
+	},
+
+	endOf: function(time, unit) {
+		return moment(time).endOf(unit).valueOf();
+	},
+
+	// DEPRECATIONS
+
+	/**
+	 * Provided for backward compatibility with scale.getValueForPixel().
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 * @private
+	 */
+	_create: function(time) {
+		return moment(time);
+	},
+} : {});
+
+core_defaults._set('global', {
+	plugins: {
+		filler: {
+			propagate: true
+		}
+	}
+});
+
+var mappers = {
+	dataset: function(source) {
+		var index = source.fill;
+		var chart = source.chart;
+		var meta = chart.getDatasetMeta(index);
+		var visible = meta && chart.isDatasetVisible(index);
+		var points = (visible && meta.dataset._children) || [];
+		var length = points.length || 0;
+
+		return !length ? null : function(point, i) {
+			return (i < length && points[i]._view) || null;
+		};
+	},
+
+	boundary: function(source) {
+		var boundary = source.boundary;
+		var x = boundary ? boundary.x : null;
+		var y = boundary ? boundary.y : null;
+
+		if (helpers$1.isArray(boundary)) {
+			return function(point, i) {
+				return boundary[i];
+			};
+		}
+
+		return function(point) {
+			return {
+				x: x === null ? point.x : x,
+				y: y === null ? point.y : y,
+			};
+		};
+	}
+};
+
+// @todo if (fill[0] === '#')
+function decodeFill(el, index, count) {
+	var model = el._model || {};
+	var fill = model.fill;
+	var target;
+
+	if (fill === undefined) {
+		fill = !!model.backgroundColor;
+	}
+
+	if (fill === false || fill === null) {
+		return false;
+	}
+
+	if (fill === true) {
+		return 'origin';
+	}
+
+	target = parseFloat(fill, 10);
+	if (isFinite(target) && Math.floor(target) === target) {
+		if (fill[0] === '-' || fill[0] === '+') {
+			target = index + target;
+		}
+
+		if (target === index || target < 0 || target >= count) {
+			return false;
+		}
+
+		return target;
+	}
+
+	switch (fill) {
+	// compatibility
+	case 'bottom':
+		return 'start';
+	case 'top':
+		return 'end';
+	case 'zero':
+		return 'origin';
+	// supported boundaries
+	case 'origin':
+	case 'start':
+	case 'end':
+		return fill;
+	// invalid fill values
+	default:
+		return false;
+	}
+}
+
+function computeLinearBoundary(source) {
+	var model = source.el._model || {};
+	var scale = source.el._scale || {};
+	var fill = source.fill;
+	var target = null;
+	var horizontal;
+
+	if (isFinite(fill)) {
+		return null;
+	}
+
+	// Backward compatibility: until v3, we still need to support boundary values set on
+	// the model (scaleTop, scaleBottom and scaleZero) because some external plugins and
+	// controllers might still use it (e.g. the Smith chart).
+
+	if (fill === 'start') {
+		target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;
+	} else if (fill === 'end') {
+		target = model.scaleTop === undefined ? scale.top : model.scaleTop;
+	} else if (model.scaleZero !== undefined) {
+		target = model.scaleZero;
+	} else if (scale.getBasePixel) {
+		target = scale.getBasePixel();
+	}
+
+	if (target !== undefined && target !== null) {
+		if (target.x !== undefined && target.y !== undefined) {
+			return target;
+		}
+
+		if (helpers$1.isFinite(target)) {
+			horizontal = scale.isHorizontal();
+			return {
+				x: horizontal ? target : null,
+				y: horizontal ? null : target
+			};
+		}
+	}
+
+	return null;
+}
+
+function computeCircularBoundary(source) {
+	var scale = source.el._scale;
+	var options = scale.options;
+	var length = scale.chart.data.labels.length;
+	var fill = source.fill;
+	var target = [];
+	var start, end, center, i, point;
+
+	if (!length) {
+		return null;
+	}
+
+	start = options.ticks.reverse ? scale.max : scale.min;
+	end = options.ticks.reverse ? scale.min : scale.max;
+	center = scale.getPointPositionForValue(0, start);
+	for (i = 0; i < length; ++i) {
+		point = fill === 'start' || fill === 'end'
+			? scale.getPointPositionForValue(i, fill === 'start' ? start : end)
+			: scale.getBasePosition(i);
+		if (options.gridLines.circular) {
+			point.cx = center.x;
+			point.cy = center.y;
+			point.angle = scale.getIndexAngle(i) - Math.PI / 2;
+		}
+		target.push(point);
+	}
+	return target;
+}
+
+function computeBoundary(source) {
+	var scale = source.el._scale || {};
+
+	if (scale.getPointPositionForValue) {
+		return computeCircularBoundary(source);
+	}
+	return computeLinearBoundary(source);
+}
+
+function resolveTarget(sources, index, propagate) {
+	var source = sources[index];
+	var fill = source.fill;
+	var visited = [index];
+	var target;
+
+	if (!propagate) {
+		return fill;
+	}
+
+	while (fill !== false && visited.indexOf(fill) === -1) {
+		if (!isFinite(fill)) {
+			return fill;
+		}
+
+		target = sources[fill];
+		if (!target) {
+			return false;
+		}
+
+		if (target.visible) {
+			return fill;
+		}
+
+		visited.push(fill);
+		fill = target.fill;
+	}
+
+	return false;
+}
+
+function createMapper(source) {
+	var fill = source.fill;
+	var type = 'dataset';
+
+	if (fill === false) {
+		return null;
+	}
+
+	if (!isFinite(fill)) {
+		type = 'boundary';
+	}
+
+	return mappers[type](source);
+}
+
+function isDrawable(point) {
+	return point && !point.skip;
+}
+
+function drawArea(ctx, curve0, curve1, len0, len1) {
+	var i, cx, cy, r;
+
+	if (!len0 || !len1) {
+		return;
+	}
+
+	// building first area curve (normal)
+	ctx.moveTo(curve0[0].x, curve0[0].y);
+	for (i = 1; i < len0; ++i) {
+		helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);
+	}
+
+	if (curve1[0].angle !== undefined) {
+		cx = curve1[0].cx;
+		cy = curve1[0].cy;
+		r = Math.sqrt(Math.pow(curve1[0].x - cx, 2) + Math.pow(curve1[0].y - cy, 2));
+		for (i = len1 - 1; i > 0; --i) {
+			ctx.arc(cx, cy, r, curve1[i].angle, curve1[i - 1].angle, true);
+		}
+		return;
+	}
+
+	// joining the two area curves
+	ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);
+
+	// building opposite area curve (reverse)
+	for (i = len1 - 1; i > 0; --i) {
+		helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);
+	}
+}
+
+function doFill(ctx, points, mapper, view, color, loop) {
+	var count = points.length;
+	var span = view.spanGaps;
+	var curve0 = [];
+	var curve1 = [];
+	var len0 = 0;
+	var len1 = 0;
+	var i, ilen, index, p0, p1, d0, d1, loopOffset;
+
+	ctx.beginPath();
+
+	for (i = 0, ilen = count; i < ilen; ++i) {
+		index = i % count;
+		p0 = points[index]._view;
+		p1 = mapper(p0, index, view);
+		d0 = isDrawable(p0);
+		d1 = isDrawable(p1);
+
+		if (loop && loopOffset === undefined && d0) {
+			loopOffset = i + 1;
+			ilen = count + loopOffset;
+		}
+
+		if (d0 && d1) {
+			len0 = curve0.push(p0);
+			len1 = curve1.push(p1);
+		} else if (len0 && len1) {
+			if (!span) {
+				drawArea(ctx, curve0, curve1, len0, len1);
+				len0 = len1 = 0;
+				curve0 = [];
+				curve1 = [];
+			} else {
+				if (d0) {
+					curve0.push(p0);
+				}
+				if (d1) {
+					curve1.push(p1);
+				}
+			}
+		}
+	}
+
+	drawArea(ctx, curve0, curve1, len0, len1);
+
+	ctx.closePath();
+	ctx.fillStyle = color;
+	ctx.fill();
+}
+
+var plugin_filler = {
+	id: 'filler',
+
+	afterDatasetsUpdate: function(chart, options) {
+		var count = (chart.data.datasets || []).length;
+		var propagate = options.propagate;
+		var sources = [];
+		var meta, i, el, source;
+
+		for (i = 0; i < count; ++i) {
+			meta = chart.getDatasetMeta(i);
+			el = meta.dataset;
+			source = null;
+
+			if (el && el._model && el instanceof elements.Line) {
+				source = {
+					visible: chart.isDatasetVisible(i),
+					fill: decodeFill(el, i, count),
+					chart: chart,
+					el: el
+				};
+			}
+
+			meta.$filler = source;
+			sources.push(source);
+		}
+
+		for (i = 0; i < count; ++i) {
+			source = sources[i];
+			if (!source) {
+				continue;
+			}
+
+			source.fill = resolveTarget(sources, i, propagate);
+			source.boundary = computeBoundary(source);
+			source.mapper = createMapper(source);
+		}
+	},
+
+	beforeDatasetsDraw: function(chart) {
+		var metasets = chart._getSortedVisibleDatasetMetas();
+		var ctx = chart.ctx;
+		var meta, i, el, view, points, mapper, color;
+
+		for (i = metasets.length - 1; i >= 0; --i) {
+			meta = metasets[i].$filler;
+
+			if (!meta || !meta.visible) {
+				continue;
+			}
+
+			el = meta.el;
+			view = el._view;
+			points = el._children || [];
+			mapper = meta.mapper;
+			color = view.backgroundColor || core_defaults.global.defaultColor;
+
+			if (mapper && color && points.length) {
+				helpers$1.canvas.clipArea(ctx, chart.chartArea);
+				doFill(ctx, points, mapper, view, color, el._loop);
+				helpers$1.canvas.unclipArea(ctx);
+			}
+		}
+	}
+};
+
+var getRtlHelper$1 = helpers$1.rtl.getRtlAdapter;
+var noop$1 = helpers$1.noop;
+var valueOrDefault$e = helpers$1.valueOrDefault;
+
+core_defaults._set('global', {
+	legend: {
+		display: true,
+		position: 'top',
+		align: 'center',
+		fullWidth: true,
+		reverse: false,
+		weight: 1000,
+
+		// a callback that will handle
+		onClick: function(e, legendItem) {
+			var index = legendItem.datasetIndex;
+			var ci = this.chart;
+			var meta = ci.getDatasetMeta(index);
+
+			// See controller.isDatasetVisible comment
+			meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;
+
+			// We hid a dataset ... rerender the chart
+			ci.update();
+		},
+
+		onHover: null,
+		onLeave: null,
+
+		labels: {
+			boxWidth: 40,
+			padding: 10,
+			// Generates labels shown in the legend
+			// Valid properties to return:
+			// text : text to display
+			// fillStyle : fill of coloured box
+			// strokeStyle: stroke of coloured box
+			// hidden : if this legend item refers to a hidden item
+			// lineCap : cap style for line
+			// lineDash
+			// lineDashOffset :
+			// lineJoin :
+			// lineWidth :
+			generateLabels: function(chart) {
+				var datasets = chart.data.datasets;
+				var options = chart.options.legend || {};
+				var usePointStyle = options.labels && options.labels.usePointStyle;
+
+				return chart._getSortedDatasetMetas().map(function(meta) {
+					var style = meta.controller.getStyle(usePointStyle ? 0 : undefined);
+
+					return {
+						text: datasets[meta.index].label,
+						fillStyle: style.backgroundColor,
+						hidden: !chart.isDatasetVisible(meta.index),
+						lineCap: style.borderCapStyle,
+						lineDash: style.borderDash,
+						lineDashOffset: style.borderDashOffset,
+						lineJoin: style.borderJoinStyle,
+						lineWidth: style.borderWidth,
+						strokeStyle: style.borderColor,
+						pointStyle: style.pointStyle,
+						rotation: style.rotation,
+
+						// Below is extra data used for toggling the datasets
+						datasetIndex: meta.index
+					};
+				}, this);
+			}
+		}
+	},
+
+	legendCallback: function(chart) {
+		var list = document.createElement('ul');
+		var datasets = chart.data.datasets;
+		var i, ilen, listItem, listItemSpan;
+
+		list.setAttribute('class', chart.id + '-legend');
+
+		for (i = 0, ilen = datasets.length; i < ilen; i++) {
+			listItem = list.appendChild(document.createElement('li'));
+			listItemSpan = listItem.appendChild(document.createElement('span'));
+			listItemSpan.style.backgroundColor = datasets[i].backgroundColor;
+			if (datasets[i].label) {
+				listItem.appendChild(document.createTextNode(datasets[i].label));
+			}
+		}
+
+		return list.outerHTML;
+	}
+});
+
+/**
+ * Helper function to get the box width based on the usePointStyle option
+ * @param {object} labelopts - the label options on the legend
+ * @param {number} fontSize - the label font size
+ * @return {number} width of the color box area
+ */
+function getBoxWidth(labelOpts, fontSize) {
+	return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ?
+		fontSize :
+		labelOpts.boxWidth;
+}
+
+/**
+ * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!
+ */
+var Legend = core_element.extend({
+
+	initialize: function(config) {
+		var me = this;
+		helpers$1.extend(me, config);
+
+		// Contains hit boxes for each dataset (in dataset order)
+		me.legendHitBoxes = [];
+
+		/**
+ 		 * @private
+ 		 */
+		me._hoveredItem = null;
+
+		// Are we in doughnut mode which has a different data type
+		me.doughnutMode = false;
+	},
+
+	// These methods are ordered by lifecycle. Utilities then follow.
+	// Any function defined here is inherited by all legend types.
+	// Any function can be extended by the legend type
+
+	beforeUpdate: noop$1,
+	update: function(maxWidth, maxHeight, margins) {
+		var me = this;
+
+		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
+		me.beforeUpdate();
+
+		// Absorb the master measurements
+		me.maxWidth = maxWidth;
+		me.maxHeight = maxHeight;
+		me.margins = margins;
+
+		// Dimensions
+		me.beforeSetDimensions();
+		me.setDimensions();
+		me.afterSetDimensions();
+		// Labels
+		me.beforeBuildLabels();
+		me.buildLabels();
+		me.afterBuildLabels();
+
+		// Fit
+		me.beforeFit();
+		me.fit();
+		me.afterFit();
+		//
+		me.afterUpdate();
+
+		return me.minSize;
+	},
+	afterUpdate: noop$1,
+
+	//
+
+	beforeSetDimensions: noop$1,
+	setDimensions: function() {
+		var me = this;
+		// Set the unconstrained dimension before label rotation
+		if (me.isHorizontal()) {
+			// Reset position before calculating rotation
+			me.width = me.maxWidth;
+			me.left = 0;
+			me.right = me.width;
+		} else {
+			me.height = me.maxHeight;
+
+			// Reset position before calculating rotation
+			me.top = 0;
+			me.bottom = me.height;
+		}
+
+		// Reset padding
+		me.paddingLeft = 0;
+		me.paddingTop = 0;
+		me.paddingRight = 0;
+		me.paddingBottom = 0;
+
+		// Reset minSize
+		me.minSize = {
+			width: 0,
+			height: 0
+		};
+	},
+	afterSetDimensions: noop$1,
+
+	//
+
+	beforeBuildLabels: noop$1,
+	buildLabels: function() {
+		var me = this;
+		var labelOpts = me.options.labels || {};
+		var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || [];
+
+		if (labelOpts.filter) {
+			legendItems = legendItems.filter(function(item) {
+				return labelOpts.filter(item, me.chart.data);
+			});
+		}
+
+		if (me.options.reverse) {
+			legendItems.reverse();
+		}
+
+		me.legendItems = legendItems;
+	},
+	afterBuildLabels: noop$1,
+
+	//
+
+	beforeFit: noop$1,
+	fit: function() {
+		var me = this;
+		var opts = me.options;
+		var labelOpts = opts.labels;
+		var display = opts.display;
+
+		var ctx = me.ctx;
+
+		var labelFont = helpers$1.options._parseFont(labelOpts);
+		var fontSize = labelFont.size;
+
+		// Reset hit boxes
+		var hitboxes = me.legendHitBoxes = [];
+
+		var minSize = me.minSize;
+		var isHorizontal = me.isHorizontal();
+
+		if (isHorizontal) {
+			minSize.width = me.maxWidth; // fill all the width
+			minSize.height = display ? 10 : 0;
+		} else {
+			minSize.width = display ? 10 : 0;
+			minSize.height = me.maxHeight; // fill all the height
+		}
+
+		// Increase sizes here
+		if (!display) {
+			me.width = minSize.width = me.height = minSize.height = 0;
+			return;
+		}
+		ctx.font = labelFont.string;
+
+		if (isHorizontal) {
+			// Labels
+
+			// Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one
+			var lineWidths = me.lineWidths = [0];
+			var totalHeight = 0;
+
+			ctx.textAlign = 'left';
+			ctx.textBaseline = 'middle';
+
+			helpers$1.each(me.legendItems, function(legendItem, i) {
+				var boxWidth = getBoxWidth(labelOpts, fontSize);
+				var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
+
+				if (i === 0 || lineWidths[lineWidths.length - 1] + width + 2 * labelOpts.padding > minSize.width) {
+					totalHeight += fontSize + labelOpts.padding;
+					lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;
+				}
+
+				// Store the hitbox width and height here. Final position will be updated in `draw`
+				hitboxes[i] = {
+					left: 0,
+					top: 0,
+					width: width,
+					height: fontSize
+				};
+
+				lineWidths[lineWidths.length - 1] += width + labelOpts.padding;
+			});
+
+			minSize.height += totalHeight;
+
+		} else {
+			var vPadding = labelOpts.padding;
+			var columnWidths = me.columnWidths = [];
+			var columnHeights = me.columnHeights = [];
+			var totalWidth = labelOpts.padding;
+			var currentColWidth = 0;
+			var currentColHeight = 0;
+
+			helpers$1.each(me.legendItems, function(legendItem, i) {
+				var boxWidth = getBoxWidth(labelOpts, fontSize);
+				var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
+
+				// If too tall, go to new column
+				if (i > 0 && currentColHeight + fontSize + 2 * vPadding > minSize.height) {
+					totalWidth += currentColWidth + labelOpts.padding;
+					columnWidths.push(currentColWidth); // previous column width
+					columnHeights.push(currentColHeight);
+					currentColWidth = 0;
+					currentColHeight = 0;
+				}
+
+				// Get max width
+				currentColWidth = Math.max(currentColWidth, itemWidth);
+				currentColHeight += fontSize + vPadding;
+
+				// Store the hitbox width and height here. Final position will be updated in `draw`
+				hitboxes[i] = {
+					left: 0,
+					top: 0,
+					width: itemWidth,
+					height: fontSize
+				};
+			});
+
+			totalWidth += currentColWidth;
+			columnWidths.push(currentColWidth);
+			columnHeights.push(currentColHeight);
+			minSize.width += totalWidth;
+		}
+
+		me.width = minSize.width;
+		me.height = minSize.height;
+	},
+	afterFit: noop$1,
+
+	// Shared Methods
+	isHorizontal: function() {
+		return this.options.position === 'top' || this.options.position === 'bottom';
+	},
+
+	// Actually draw the legend on the canvas
+	draw: function() {
+		var me = this;
+		var opts = me.options;
+		var labelOpts = opts.labels;
+		var globalDefaults = core_defaults.global;
+		var defaultColor = globalDefaults.defaultColor;
+		var lineDefault = globalDefaults.elements.line;
+		var legendHeight = me.height;
+		var columnHeights = me.columnHeights;
+		var legendWidth = me.width;
+		var lineWidths = me.lineWidths;
+
+		if (!opts.display) {
+			return;
+		}
+
+		var rtlHelper = getRtlHelper$1(opts.rtl, me.left, me.minSize.width);
+		var ctx = me.ctx;
+		var fontColor = valueOrDefault$e(labelOpts.fontColor, globalDefaults.defaultFontColor);
+		var labelFont = helpers$1.options._parseFont(labelOpts);
+		var fontSize = labelFont.size;
+		var cursor;
+
+		// Canvas setup
+		ctx.textAlign = rtlHelper.textAlign('left');
+		ctx.textBaseline = 'middle';
+		ctx.lineWidth = 0.5;
+		ctx.strokeStyle = fontColor; // for strikethrough effect
+		ctx.fillStyle = fontColor; // render in correct colour
+		ctx.font = labelFont.string;
+
+		var boxWidth = getBoxWidth(labelOpts, fontSize);
+		var hitboxes = me.legendHitBoxes;
+
+		// current position
+		var drawLegendBox = function(x, y, legendItem) {
+			if (isNaN(boxWidth) || boxWidth <= 0) {
+				return;
+			}
+
+			// Set the ctx for the box
+			ctx.save();
+
+			var lineWidth = valueOrDefault$e(legendItem.lineWidth, lineDefault.borderWidth);
+			ctx.fillStyle = valueOrDefault$e(legendItem.fillStyle, defaultColor);
+			ctx.lineCap = valueOrDefault$e(legendItem.lineCap, lineDefault.borderCapStyle);
+			ctx.lineDashOffset = valueOrDefault$e(legendItem.lineDashOffset, lineDefault.borderDashOffset);
+			ctx.lineJoin = valueOrDefault$e(legendItem.lineJoin, lineDefault.borderJoinStyle);
+			ctx.lineWidth = lineWidth;
+			ctx.strokeStyle = valueOrDefault$e(legendItem.strokeStyle, defaultColor);
+
+			if (ctx.setLineDash) {
+				// IE 9 and 10 do not support line dash
+				ctx.setLineDash(valueOrDefault$e(legendItem.lineDash, lineDefault.borderDash));
+			}
+
+			if (labelOpts && labelOpts.usePointStyle) {
+				// Recalculate x and y for drawPoint() because its expecting
+				// x and y to be center of figure (instead of top left)
+				var radius = boxWidth * Math.SQRT2 / 2;
+				var centerX = rtlHelper.xPlus(x, boxWidth / 2);
+				var centerY = y + fontSize / 2;
+
+				// Draw pointStyle as legend symbol
+				helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY, legendItem.rotation);
+			} else {
+				// Draw box as legend symbol
+				ctx.fillRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize);
+				if (lineWidth !== 0) {
+					ctx.strokeRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize);
+				}
+			}
+
+			ctx.restore();
+		};
+
+		var fillText = function(x, y, legendItem, textWidth) {
+			var halfFontSize = fontSize / 2;
+			var xLeft = rtlHelper.xPlus(x, boxWidth + halfFontSize);
+			var yMiddle = y + halfFontSize;
+
+			ctx.fillText(legendItem.text, xLeft, yMiddle);
+
+			if (legendItem.hidden) {
+				// Strikethrough the text if hidden
+				ctx.beginPath();
+				ctx.lineWidth = 2;
+				ctx.moveTo(xLeft, yMiddle);
+				ctx.lineTo(rtlHelper.xPlus(xLeft, textWidth), yMiddle);
+				ctx.stroke();
+			}
+		};
+
+		var alignmentOffset = function(dimension, blockSize) {
+			switch (opts.align) {
+			case 'start':
+				return labelOpts.padding;
+			case 'end':
+				return dimension - blockSize;
+			default: // center
+				return (dimension - blockSize + labelOpts.padding) / 2;
+			}
+		};
+
+		// Horizontal
+		var isHorizontal = me.isHorizontal();
+		if (isHorizontal) {
+			cursor = {
+				x: me.left + alignmentOffset(legendWidth, lineWidths[0]),
+				y: me.top + labelOpts.padding,
+				line: 0
+			};
+		} else {
+			cursor = {
+				x: me.left + labelOpts.padding,
+				y: me.top + alignmentOffset(legendHeight, columnHeights[0]),
+				line: 0
+			};
+		}
+
+		helpers$1.rtl.overrideTextDirection(me.ctx, opts.textDirection);
+
+		var itemHeight = fontSize + labelOpts.padding;
+		helpers$1.each(me.legendItems, function(legendItem, i) {
+			var textWidth = ctx.measureText(legendItem.text).width;
+			var width = boxWidth + (fontSize / 2) + textWidth;
+			var x = cursor.x;
+			var y = cursor.y;
+
+			rtlHelper.setWidth(me.minSize.width);
+
+			// Use (me.left + me.minSize.width) and (me.top + me.minSize.height)
+			// instead of me.right and me.bottom because me.width and me.height
+			// may have been changed since me.minSize was calculated
+			if (isHorizontal) {
+				if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) {
+					y = cursor.y += itemHeight;
+					cursor.line++;
+					x = cursor.x = me.left + alignmentOffset(legendWidth, lineWidths[cursor.line]);
+				}
+			} else if (i > 0 && y + itemHeight > me.top + me.minSize.height) {
+				x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;
+				cursor.line++;
+				y = cursor.y = me.top + alignmentOffset(legendHeight, columnHeights[cursor.line]);
+			}
+
+			var realX = rtlHelper.x(x);
+
+			drawLegendBox(realX, y, legendItem);
+
+			hitboxes[i].left = rtlHelper.leftForLtr(realX, hitboxes[i].width);
+			hitboxes[i].top = y;
+
+			// Fill the actual label
+			fillText(realX, y, legendItem, textWidth);
+
+			if (isHorizontal) {
+				cursor.x += width + labelOpts.padding;
+			} else {
+				cursor.y += itemHeight;
+			}
+		});
+
+		helpers$1.rtl.restoreTextDirection(me.ctx, opts.textDirection);
+	},
+
+	/**
+	 * @private
+	 */
+	_getLegendItemAt: function(x, y) {
+		var me = this;
+		var i, hitBox, lh;
+
+		if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {
+			// See if we are touching one of the dataset boxes
+			lh = me.legendHitBoxes;
+			for (i = 0; i < lh.length; ++i) {
+				hitBox = lh[i];
+
+				if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {
+					// Touching an element
+					return me.legendItems[i];
+				}
+			}
+		}
+
+		return null;
+	},
+
+	/**
+	 * Handle an event
+	 * @private
+	 * @param {IEvent} event - The event to handle
+	 */
+	handleEvent: function(e) {
+		var me = this;
+		var opts = me.options;
+		var type = e.type === 'mouseup' ? 'click' : e.type;
+		var hoveredItem;
+
+		if (type === 'mousemove') {
+			if (!opts.onHover && !opts.onLeave) {
+				return;
+			}
+		} else if (type === 'click') {
+			if (!opts.onClick) {
+				return;
+			}
+		} else {
+			return;
+		}
+
+		// Chart event already has relative position in it
+		hoveredItem = me._getLegendItemAt(e.x, e.y);
+
+		if (type === 'click') {
+			if (hoveredItem && opts.onClick) {
+				// use e.native for backwards compatibility
+				opts.onClick.call(me, e.native, hoveredItem);
+			}
+		} else {
+			if (opts.onLeave && hoveredItem !== me._hoveredItem) {
+				if (me._hoveredItem) {
+					opts.onLeave.call(me, e.native, me._hoveredItem);
+				}
+				me._hoveredItem = hoveredItem;
+			}
+
+			if (opts.onHover && hoveredItem) {
+				// use e.native for backwards compatibility
+				opts.onHover.call(me, e.native, hoveredItem);
+			}
+		}
+	}
+});
+
+function createNewLegendAndAttach(chart, legendOpts) {
+	var legend = new Legend({
+		ctx: chart.ctx,
+		options: legendOpts,
+		chart: chart
+	});
+
+	core_layouts.configure(chart, legend, legendOpts);
+	core_layouts.addBox(chart, legend);
+	chart.legend = legend;
+}
+
+var plugin_legend = {
+	id: 'legend',
+
+	/**
+	 * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making
+	 * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of
+	 * the plugin, which one will be re-exposed in the chart.js file.
+	 * https://github.com/chartjs/Chart.js/pull/2640
+	 * @private
+	 */
+	_element: Legend,
+
+	beforeInit: function(chart) {
+		var legendOpts = chart.options.legend;
+
+		if (legendOpts) {
+			createNewLegendAndAttach(chart, legendOpts);
+		}
+	},
+
+	beforeUpdate: function(chart) {
+		var legendOpts = chart.options.legend;
+		var legend = chart.legend;
+
+		if (legendOpts) {
+			helpers$1.mergeIf(legendOpts, core_defaults.global.legend);
+
+			if (legend) {
+				core_layouts.configure(chart, legend, legendOpts);
+				legend.options = legendOpts;
+			} else {
+				createNewLegendAndAttach(chart, legendOpts);
+			}
+		} else if (legend) {
+			core_layouts.removeBox(chart, legend);
+			delete chart.legend;
+		}
+	},
+
+	afterEvent: function(chart, e) {
+		var legend = chart.legend;
+		if (legend) {
+			legend.handleEvent(e);
+		}
+	}
+};
+
+var noop$2 = helpers$1.noop;
+
+core_defaults._set('global', {
+	title: {
+		display: false,
+		fontStyle: 'bold',
+		fullWidth: true,
+		padding: 10,
+		position: 'top',
+		text: '',
+		weight: 2000         // by default greater than legend (1000) to be above
+	}
+});
+
+/**
+ * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!
+ */
+var Title = core_element.extend({
+	initialize: function(config) {
+		var me = this;
+		helpers$1.extend(me, config);
+
+		// Contains hit boxes for each dataset (in dataset order)
+		me.legendHitBoxes = [];
+	},
+
+	// These methods are ordered by lifecycle. Utilities then follow.
+
+	beforeUpdate: noop$2,
+	update: function(maxWidth, maxHeight, margins) {
+		var me = this;
+
+		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
+		me.beforeUpdate();
+
+		// Absorb the master measurements
+		me.maxWidth = maxWidth;
+		me.maxHeight = maxHeight;
+		me.margins = margins;
+
+		// Dimensions
+		me.beforeSetDimensions();
+		me.setDimensions();
+		me.afterSetDimensions();
+		// Labels
+		me.beforeBuildLabels();
+		me.buildLabels();
+		me.afterBuildLabels();
+
+		// Fit
+		me.beforeFit();
+		me.fit();
+		me.afterFit();
+		//
+		me.afterUpdate();
+
+		return me.minSize;
+
+	},
+	afterUpdate: noop$2,
+
+	//
+
+	beforeSetDimensions: noop$2,
+	setDimensions: function() {
+		var me = this;
+		// Set the unconstrained dimension before label rotation
+		if (me.isHorizontal()) {
+			// Reset position before calculating rotation
+			me.width = me.maxWidth;
+			me.left = 0;
+			me.right = me.width;
+		} else {
+			me.height = me.maxHeight;
+
+			// Reset position before calculating rotation
+			me.top = 0;
+			me.bottom = me.height;
+		}
+
+		// Reset padding
+		me.paddingLeft = 0;
+		me.paddingTop = 0;
+		me.paddingRight = 0;
+		me.paddingBottom = 0;
+
+		// Reset minSize
+		me.minSize = {
+			width: 0,
+			height: 0
+		};
+	},
+	afterSetDimensions: noop$2,
+
+	//
+
+	beforeBuildLabels: noop$2,
+	buildLabels: noop$2,
+	afterBuildLabels: noop$2,
+
+	//
+
+	beforeFit: noop$2,
+	fit: function() {
+		var me = this;
+		var opts = me.options;
+		var minSize = me.minSize = {};
+		var isHorizontal = me.isHorizontal();
+		var lineCount, textSize;
+
+		if (!opts.display) {
+			me.width = minSize.width = me.height = minSize.height = 0;
+			return;
+		}
+
+		lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1;
+		textSize = lineCount * helpers$1.options._parseFont(opts).lineHeight + opts.padding * 2;
+
+		me.width = minSize.width = isHorizontal ? me.maxWidth : textSize;
+		me.height = minSize.height = isHorizontal ? textSize : me.maxHeight;
+	},
+	afterFit: noop$2,
+
+	// Shared Methods
+	isHorizontal: function() {
+		var pos = this.options.position;
+		return pos === 'top' || pos === 'bottom';
+	},
+
+	// Actually draw the title block on the canvas
+	draw: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var opts = me.options;
+
+		if (!opts.display) {
+			return;
+		}
+
+		var fontOpts = helpers$1.options._parseFont(opts);
+		var lineHeight = fontOpts.lineHeight;
+		var offset = lineHeight / 2 + opts.padding;
+		var rotation = 0;
+		var top = me.top;
+		var left = me.left;
+		var bottom = me.bottom;
+		var right = me.right;
+		var maxWidth, titleX, titleY;
+
+		ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour
+		ctx.font = fontOpts.string;
+
+		// Horizontal
+		if (me.isHorizontal()) {
+			titleX = left + ((right - left) / 2); // midpoint of the width
+			titleY = top + offset;
+			maxWidth = right - left;
+		} else {
+			titleX = opts.position === 'left' ? left + offset : right - offset;
+			titleY = top + ((bottom - top) / 2);
+			maxWidth = bottom - top;
+			rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);
+		}
+
+		ctx.save();
+		ctx.translate(titleX, titleY);
+		ctx.rotate(rotation);
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+
+		var text = opts.text;
+		if (helpers$1.isArray(text)) {
+			var y = 0;
+			for (var i = 0; i < text.length; ++i) {
+				ctx.fillText(text[i], 0, y, maxWidth);
+				y += lineHeight;
+			}
+		} else {
+			ctx.fillText(text, 0, 0, maxWidth);
+		}
+
+		ctx.restore();
+	}
+});
+
+function createNewTitleBlockAndAttach(chart, titleOpts) {
+	var title = new Title({
+		ctx: chart.ctx,
+		options: titleOpts,
+		chart: chart
+	});
+
+	core_layouts.configure(chart, title, titleOpts);
+	core_layouts.addBox(chart, title);
+	chart.titleBlock = title;
+}
+
+var plugin_title = {
+	id: 'title',
+
+	/**
+	 * Backward compatibility: since 2.1.5, the title is registered as a plugin, making
+	 * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of
+	 * the plugin, which one will be re-exposed in the chart.js file.
+	 * https://github.com/chartjs/Chart.js/pull/2640
+	 * @private
+	 */
+	_element: Title,
+
+	beforeInit: function(chart) {
+		var titleOpts = chart.options.title;
+
+		if (titleOpts) {
+			createNewTitleBlockAndAttach(chart, titleOpts);
+		}
+	},
+
+	beforeUpdate: function(chart) {
+		var titleOpts = chart.options.title;
+		var titleBlock = chart.titleBlock;
+
+		if (titleOpts) {
+			helpers$1.mergeIf(titleOpts, core_defaults.global.title);
+
+			if (titleBlock) {
+				core_layouts.configure(chart, titleBlock, titleOpts);
+				titleBlock.options = titleOpts;
+			} else {
+				createNewTitleBlockAndAttach(chart, titleOpts);
+			}
+		} else if (titleBlock) {
+			core_layouts.removeBox(chart, titleBlock);
+			delete chart.titleBlock;
+		}
+	}
+};
+
+var plugins = {};
+var filler = plugin_filler;
+var legend = plugin_legend;
+var title = plugin_title;
+plugins.filler = filler;
+plugins.legend = legend;
+plugins.title = title;
+
+/**
+ * @namespace Chart
+ */
+
+
+core_controller.helpers = helpers$1;
+
+// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!
+core_helpers();
+
+core_controller._adapters = core_adapters;
+core_controller.Animation = core_animation;
+core_controller.animationService = core_animations;
+core_controller.controllers = controllers;
+core_controller.DatasetController = core_datasetController;
+core_controller.defaults = core_defaults;
+core_controller.Element = core_element;
+core_controller.elements = elements;
+core_controller.Interaction = core_interaction;
+core_controller.layouts = core_layouts;
+core_controller.platform = platform;
+core_controller.plugins = core_plugins;
+core_controller.Scale = core_scale;
+core_controller.scaleService = core_scaleService;
+core_controller.Ticks = core_ticks;
+core_controller.Tooltip = core_tooltip;
+
+// Register built-in scales
+
+core_controller.helpers.each(scales, function(scale, type) {
+	core_controller.scaleService.registerScaleType(type, scale, scale._defaults);
+});
+
+// Load to register built-in adapters (as side effects)
+
+
+// Loading built-in plugins
+
+for (var k in plugins) {
+	if (plugins.hasOwnProperty(k)) {
+		core_controller.plugins.register(plugins[k]);
+	}
+}
+
+core_controller.platform.initialize();
+
+var src = core_controller;
+if (typeof window !== 'undefined') {
+	window.Chart = core_controller;
+}
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, not available anymore
+ * @namespace Chart.Chart
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.Chart = core_controller;
+
+/**
+ * Provided for backward compatibility, not available anymore
+ * @namespace Chart.Legend
+ * @deprecated since version 2.1.5
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.Legend = plugins.legend._element;
+
+/**
+ * Provided for backward compatibility, not available anymore
+ * @namespace Chart.Title
+ * @deprecated since version 2.1.5
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.Title = plugins.title._element;
+
+/**
+ * Provided for backward compatibility, use Chart.plugins instead
+ * @namespace Chart.pluginService
+ * @deprecated since version 2.1.5
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.pluginService = core_controller.plugins;
+
+/**
+ * Provided for backward compatibility, inheriting from Chart.PlugingBase has no
+ * effect, instead simply create/register plugins via plain JavaScript objects.
+ * @interface Chart.PluginBase
+ * @deprecated since version 2.5.0
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.PluginBase = core_controller.Element.extend({});
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas instead.
+ * @namespace Chart.canvasHelpers
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.canvasHelpers = core_controller.helpers.canvas;
+
+/**
+ * Provided for backward compatibility, use Chart.layouts instead.
+ * @namespace Chart.layoutService
+ * @deprecated since version 2.7.3
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.layoutService = core_controller.layouts;
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart.LinearScaleBase
+ * @deprecated since version 2.8
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.LinearScaleBase = scale_linearbase;
+
+/**
+ * Provided for backward compatibility, instead we should create a new Chart
+ * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`).
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ */
+core_controller.helpers.each(
+	[
+		'Bar',
+		'Bubble',
+		'Doughnut',
+		'Line',
+		'PolarArea',
+		'Radar',
+		'Scatter'
+	],
+	function(klass) {
+		core_controller[klass] = function(ctx, cfg) {
+			return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, {
+				type: klass.charAt(0).toLowerCase() + klass.slice(1)
+			}));
+		};
+	}
+);
+
+return src;
+
+})));
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/Chart.bundle.min.js b/odex25_maintenance/maintenance_custom/static/src/js/Chart.bundle.min.js
new file mode 100644
index 000000000..7134d267b
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/Chart.bundle.min.js
@@ -0,0 +1,7 @@
+/*!
+ * Chart.js v2.9.4
+ * https://www.chartjs.org
+ * (c) 2020 Chart.js Contributors
+ * Released under the MIT License
+ */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Chart=e()}(this,(function(){"use strict";"undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self&&self;function t(){throw new Error("Dynamic requires are not currently supported by rollup-plugin-commonjs")}function e(t,e){return t(e={exports:{}},e.exports),e.exports}var n={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]},i=e((function(t){var e={};for(var i in n)n.hasOwnProperty(i)&&(e[n[i]]=i);var a=t.exports={rgb:{channels:3,labels:"rgb"},hsl:{channels:3,labels:"hsl"},hsv:{channels:3,labels:"hsv"},hwb:{channels:3,labels:"hwb"},cmyk:{channels:4,labels:"cmyk"},xyz:{channels:3,labels:"xyz"},lab:{channels:3,labels:"lab"},lch:{channels:3,labels:"lch"},hex:{channels:1,labels:["hex"]},keyword:{channels:1,labels:["keyword"]},ansi16:{channels:1,labels:["ansi16"]},ansi256:{channels:1,labels:["ansi256"]},hcg:{channels:3,labels:["h","c","g"]},apple:{channels:3,labels:["r16","g16","b16"]},gray:{channels:1,labels:["gray"]}};for(var r in a)if(a.hasOwnProperty(r)){if(!("channels"in a[r]))throw new Error("missing channels property: "+r);if(!("labels"in a[r]))throw new Error("missing channel labels property: "+r);if(a[r].labels.length!==a[r].channels)throw new Error("channel and label counts mismatch: "+r);var o=a[r].channels,s=a[r].labels;delete a[r].channels,delete a[r].labels,Object.defineProperty(a[r],"channels",{value:o}),Object.defineProperty(a[r],"labels",{value:s})}a.rgb.hsl=function(t){var e,n,i=t[0]/255,a=t[1]/255,r=t[2]/255,o=Math.min(i,a,r),s=Math.max(i,a,r),l=s-o;return s===o?e=0:i===s?e=(a-r)/l:a===s?e=2+(r-i)/l:r===s&&(e=4+(i-a)/l),(e=Math.min(60*e,360))<0&&(e+=360),n=(o+s)/2,[e,100*(s===o?0:n<=.5?l/(s+o):l/(2-s-o)),100*n]},a.rgb.hsv=function(t){var e,n,i,a,r,o=t[0]/255,s=t[1]/255,l=t[2]/255,u=Math.max(o,s,l),d=u-Math.min(o,s,l),h=function(t){return(u-t)/6/d+.5};return 0===d?a=r=0:(r=d/u,e=h(o),n=h(s),i=h(l),o===u?a=i-n:s===u?a=1/3+e-i:l===u&&(a=2/3+n-e),a<0?a+=1:a>1&&(a-=1)),[360*a,100*r,100*u]},a.rgb.hwb=function(t){var e=t[0],n=t[1],i=t[2];return[a.rgb.hsl(t)[0],100*(1/255*Math.min(e,Math.min(n,i))),100*(i=1-1/255*Math.max(e,Math.max(n,i)))]},a.rgb.cmyk=function(t){var 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B.isNullOrUndef(r)?(i=l*n.categoryPercentage,a=n.barPercentage):(i=r*o,a=1),{chunk:i/o,ratio:a,start:s-i/2}}Y._set("bar",{hover:{mode:"label"},scales:{xAxes:[{type:"category",offset:!0,gridLines:{offsetGridLines:!0}}],yAxes:[{type:"linear"}]}}),Y._set("global",{datasets:{bar:{categoryPercentage:.8,barPercentage:.9}}});var At=at.extend({dataElementType:kt.Rectangle,_dataElementOptions:["backgroundColor","borderColor","borderSkipped","borderWidth","barPercentage","barThickness","categoryPercentage","maxBarThickness","minBarLength"],initialize:function(){var t,e,n=this;at.prototype.initialize.apply(n,arguments),(t=n.getMeta()).stack=n.getDataset().stack,t.bar=!0,e=n._getIndexScale().options,Pt("bar chart",e.barPercentage,"scales.[x/y]Axes.barPercentage","dataset.barPercentage"),Pt("bar chart",e.barThickness,"scales.[x/y]Axes.barThickness","dataset.barThickness"),Pt("bar chart",e.categoryPercentage,"scales.[x/y]Axes.categoryPercentage","dataset.categoryPercentage"),Pt("bar 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a=this,r=t._model,o=a._getValueScale(),s=o.getBasePixel(),l=o.isHorizontal(),u=a._ruler||a.getRuler(),d=a.calculateBarValuePixels(a.index,e,i),h=a.calculateBarIndexPixels(a.index,e,u,i);r.horizontal=l,r.base=n?s:d.base,r.x=l?n?s:d.head:h.center,r.y=l?h.center:n?s:d.head,r.height=l?h.size:void 0,r.width=l?void 0:h.size},_getStacks:function(t){var e,n,i=this._getIndexScale(),a=i._getMatchingVisibleMetas(this._type),r=i.options.stacked,o=a.length,s=[];for(e=0;e<o&&(n=a[e],(!1===r||-1===s.indexOf(n.stack)||void 0===r&&void 0===n.stack)&&s.push(n.stack),n.index!==t);++e);return s},getStackCount:function(){return this._getStacks().length},getStackIndex:function(t,e){var n=this._getStacks(t),i=void 0!==e?n.indexOf(e):-1;return-1===i?n.length-1:i},getRuler:function(){var t,e,n=this._getIndexScale(),i=[];for(t=0,e=this.getMeta().data.length;t<e;++t)i.push(n.getPixelForValue(null,t,this.index));return{pixels:i,start:n._startPixel,end:n._endPixel,stackCount:this.getStackCount(),scale:n}},calculateBarValuePixels:function(t,e,n){var i,a,r,o,s,l,u,d=this.chart,h=this._getValueScale(),c=h.isHorizontal(),f=d.data.datasets,g=h._getMatchingVisibleMetas(this._type),m=h._parseValue(f[t].data[e]),p=n.minBarLength,v=h.options.stacked,b=this.getMeta().stack,y=void 0===m.start?0:m.max>=0&&m.min>=0?m.min:m.max,x=void 0===m.start?m.end:m.max>=0&&m.min>=0?m.max-m.min:m.min-m.max,_=g.length;if(v||void 0===v&&void 0!==b)for(i=0;i<_&&(a=g[i]).index!==t;++i)a.stack===b&&(r=void 0===(u=h._parseValue(f[a.index].data[e])).start?u.end:u.min>=0&&u.max>=0?u.max:u.min,(m.min<0&&r<0||m.max>=0&&r>0)&&(y+=r));return o=h.getPixelForValue(y),l=(s=h.getPixelForValue(y+x))-o,void 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t=this,e=B.extend({},at.prototype._resolveDataElementOptions.apply(t,arguments)),n=t._getIndexScale().options,i=t._getValueScale().options;return e.barPercentage=Tt(n.barPercentage,e.barPercentage),e.barThickness=Tt(n.barThickness,e.barThickness),e.categoryPercentage=Tt(n.categoryPercentage,e.categoryPercentage),e.maxBarThickness=Tt(n.maxBarThickness,e.maxBarThickness),e.minBarLength=Tt(i.minBarLength,e.minBarLength),e}}),Ft=B.valueOrDefault,It=B.options.resolve;Y._set("bubble",{hover:{mode:"single"},scales:{xAxes:[{type:"linear",position:"bottom",id:"x-axis-0"}],yAxes:[{type:"linear",position:"left",id:"y-axis-0"}]},tooltips:{callbacks:{title:function(){return""},label:function(t,e){var n=e.datasets[t.datasetIndex].label||"",i=e.datasets[t.datasetIndex].data[t.index];return n+": ("+t.xLabel+", "+t.yLabel+", "+i.r+")"}}}});var Lt=at.extend({dataElementType:kt.Point,_dataElementOptions:["backgroundColor","borderColor","borderWidth","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth","hoverRadius","hitRadius","pointStyle","rotation"],update:function(t){var e=this,n=e.getMeta().data;B.each(n,(function(n,i){e.updateElement(n,i,t)}))},updateElement:function(t,e,n){var i=this,a=i.getMeta(),r=t.custom||{},o=i.getScaleForId(a.xAxisID),s=i.getScaleForId(a.yAxisID),l=i._resolveDataElementOptions(t,e),u=i.getDataset().data[e],d=i.index,h=n?o.getPixelForDecimal(.5):o.getPixelForValue("object"==typeof u?u:NaN,e,d),c=n?s.getBasePixel():s.getPixelForValue(u,e,d);t._xScale=o,t._yScale=s,t._options=l,t._datasetIndex=d,t._index=e,t._model={backgroundColor:l.backgroundColor,borderColor:l.borderColor,borderWidth:l.borderWidth,hitRadius:l.hitRadius,pointStyle:l.pointStyle,rotation:l.rotation,radius:n?0:l.radius,skip:r.skip||isNaN(h)||isNaN(c),x:h,y:c},t.pivot()},setHoverStyle:function(t){var e=t._model,n=t._options,i=B.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth,radius:e.radius},e.backgroundColor=Ft(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=Ft(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=Ft(n.hoverBorderWidth,n.borderWidth),e.radius=n.radius+n.hoverRadius},_resolveDataElementOptions:function(t,e){var n=this,i=n.chart,a=n.getDataset(),r=t.custom||{},o=a.data[e]||{},s=at.prototype._resolveDataElementOptions.apply(n,arguments),l={chart:i,dataIndex:e,dataset:a,datasetIndex:n.index};return n._cachedDataOpts===s&&(s=B.extend({},s)),s.radius=It([r.radius,o.r,n._config.radius,i.options.elements.point.radius],l,e),s}}),Rt=B.valueOrDefault,Nt=Math.PI,Wt=2*Nt,Yt=Nt/2;Y._set("doughnut",{animation:{animateRotate:!0,animateScale:!1},hover:{mode:"single"},legendCallback:function(t){var e,n,i,a=document.createElement("ul"),r=t.data,o=r.datasets,s=r.labels;if(a.setAttribute("class",t.id+"-legend"),o.length)for(e=0,n=o[0].data.length;e<n;++e)(i=a.appendChild(document.createElement("li"))).appendChild(document.createElement("span")).style.backgroundColor=o[0].backgroundColor[e],s[e]&&i.appendChild(document.createTextNode(s[e]));return a.outerHTML},legend:{labels:{generateLabels:function(t){var e=t.data;return e.labels.length&&e.datasets.length?e.labels.map((function(n,i){var a=t.getDatasetMeta(0),r=a.controller.getStyle(i);return{text:n,fillStyle:r.backgroundColor,strokeStyle:r.borderColor,lineWidth:r.borderWidth,hidden:isNaN(e.datasets[0].data[i])||a.data[i].hidden,index:i}})):[]}},onClick:function(t,e){var n,i,a,r=e.index,o=this.chart;for(n=0,i=(o.data.datasets||[]).length;n<i;++n)(a=o.getDatasetMeta(n)).data[r]&&(a.data[r].hidden=!a.data[r].hidden);o.update()}},cutoutPercentage:50,rotation:-Yt,circumference:Wt,tooltips:{callbacks:{title:function(){return""},label:function(t,e){var n=e.labels[t.index],i=": "+e.datasets[t.datasetIndex].data[t.index];return B.isArray(n)?(n=n.slice())[0]+=i:n+=i,n}}}});var zt=at.extend({dataElementType:kt.Arc,linkScales:B.noop,_dataElementOptions:["backgroundColor","borderColor","borderWidth","borderAlign","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth"],getRingIndex:function(t){for(var e=0,n=0;n<t;++n)this.chart.isDatasetVisible(n)&&++e;return e},update:function(t){var e,n,i,a,r=this,o=r.chart,s=o.chartArea,l=o.options,u=1,d=1,h=0,c=0,f=r.getMeta(),g=f.data,m=l.cutoutPercentage/100||0,p=l.circumference,v=r._getRingWeight(r.index);if(p<Wt){var b=l.rotation%Wt,y=(b+=b>=Nt?-Wt:b<-Nt?Wt:0)+p,x=Math.cos(b),_=Math.sin(b),w=Math.cos(y),k=Math.sin(y),M=b<=0&&y>=0||y>=Wt,S=b<=Yt&&y>=Yt||y>=Wt+Yt,D=b<=-Yt&&y>=-Yt||y>=Nt+Yt,C=b===-Nt||y>=Nt?-1:Math.min(x,x*m,w,w*m),P=D?-1:Math.min(_,_*m,k,k*m),T=M?1:Math.max(x,x*m,w,w*m),O=S?1:Math.max(_,_*m,k,k*m);u=(T-C)/2,d=(O-P)/2,h=-(T+C)/2,c=-(O+P)/2}for(i=0,a=g.length;i<a;++i)g[i]._options=r._resolveDataElementOptions(g[i],i);for(o.borderWidth=r.getMaxBorderWidth(),e=(s.right-s.left-o.borderWidth)/u,n=(s.bottom-s.top-o.borderWidth)/d,o.outerRadius=Math.max(Math.min(e,n)/2,0),o.innerRadius=Math.max(o.outerRadius*m,0),o.radiusLength=(o.outerRadius-o.innerRadius)/(r._getVisibleDatasetWeightTotal()||1),o.offsetX=h*o.outerRadius,o.offsetY=c*o.outerRadius,f.total=r.calculateTotal(),r.outerRadius=o.outerRadius-o.radiusLength*r._getRingWeightOffset(r.index),r.innerRadius=Math.max(r.outerRadius-o.radiusLength*v,0),i=0,a=g.length;i<a;++i)r.updateElement(g[i],i,t)},updateElement:function(t,e,n){var i=this,a=i.chart,r=a.chartArea,o=a.options,s=o.animation,l=(r.left+r.right)/2,u=(r.top+r.bottom)/2,d=o.rotation,h=o.rotation,c=i.getDataset(),f=n&&s.animateRotate?0:t.hidden?0:i.calculateCircumference(c.data[e])*(o.circumference/Wt),g=n&&s.animateScale?0:i.innerRadius,m=n&&s.animateScale?0:i.outerRadius,p=t._options||{};B.extend(t,{_datasetIndex:i.index,_index:e,_model:{backgroundColor:p.backgroundColor,borderColor:p.borderColor,borderWidth:p.borderWidth,borderAlign:p.borderAlign,x:l+a.offsetX,y:u+a.offsetY,startAngle:d,endAngle:h,circumference:f,outerRadius:m,innerRadius:g,label:B.valueAtIndexOrDefault(c.label,e,a.data.labels[e])}});var v=t._model;n&&s.animateRotate||(v.startAngle=0===e?o.rotation:i.getMeta().data[e-1]._model.endAngle,v.endAngle=v.startAngle+v.circumference),t.pivot()},calculateTotal:function(){var t,e=this.getDataset(),n=this.getMeta(),i=0;return B.each(n.data,(function(n,a){t=e.data[a],isNaN(t)||n.hidden||(i+=Math.abs(t))})),i},calculateCircumference:function(t){var e=this.getMeta().total;return e>0&&!isNaN(t)?Wt*(Math.abs(t)/e):0},getMaxBorderWidth:function(t){var e,n,i,a,r,o,s,l,u=0,d=this.chart;if(!t)for(e=0,n=d.data.datasets.length;e<n;++e)if(d.isDatasetVisible(e)){t=(i=d.getDatasetMeta(e)).data,e!==this.index&&(r=i.controller);break}if(!t)return 0;for(e=0,n=t.length;e<n;++e)a=t[e],r?(r._configure(),o=r._resolveDataElementOptions(a,e)):o=a._options,"inner"!==o.borderAlign&&(s=o.borderWidth,u=(l=o.hoverBorderWidth)>(u=s>u?s:u)?l:u);return u},setHoverStyle:function(t){var e=t._model,n=t._options,i=B.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth},e.backgroundColor=Rt(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=Rt(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=Rt(n.hoverBorderWidth,n.borderWidth)},_getRingWeightOffset:function(t){for(var e=0,n=0;n<t;++n)this.chart.isDatasetVisible(n)&&(e+=this._getRingWeight(n));return e},_getRingWeight:function(t){return 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B.isObject(t)?(e=t.top,n=t.right,i=t.bottom,a=t.left):e=n=i=a=t,{top:e,right:n,bottom:i,left:a}}Y._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}});var qt=at.extend({datasetElementType:kt.Line,dataElementType:kt.Point,_datasetElementOptions:["backgroundColor","borderCapStyle","borderColor","borderDash","borderDashOffset","borderJoinStyle","borderWidth","cubicInterpolationMode","fill"],_dataElementOptions:{backgroundColor:"pointBackgroundColor",borderColor:"pointBorderColor",borderWidth:"pointBorderWidth",hitRadius:"pointHitRadius",hoverBackgroundColor:"pointHoverBackgroundColor",hoverBorderColor:"pointHoverBorderColor",hoverBorderWidth:"pointHoverBorderWidth",hoverRadius:"pointHoverRadius",pointStyle:"pointStyle",radius:"pointRadius",rotation:"pointRotation"},update:function(t){var e,n,i=this,a=i.getMeta(),r=a.dataset,o=a.data||[],s=i.chart.options,l=i._config,u=i._showLine=Vt(l.showLine,s.showLines);for(i._xScale=i.getScaleForId(a.xAxisID),i._yScale=i.getScaleForId(a.yAxisID),u&&(void 0!==l.tension&&void 0===l.lineTension&&(l.lineTension=l.tension),r._scale=i._yScale,r._datasetIndex=i.index,r._children=o,r._model=i._resolveDatasetElementOptions(r),r.pivot()),e=0,n=o.length;e<n;++e)i.updateElement(o[e],e,t);for(u&&0!==r._model.tension&&i.updateBezierControlPoints(),e=0,n=o.length;e<n;++e)o[e].pivot()},updateElement:function(t,e,n){var i,a,r=this,o=r.getMeta(),s=t.custom||{},l=r.getDataset(),u=r.index,d=l.data[e],h=r._xScale,c=r._yScale,f=o.dataset._model,g=r._resolveDataElementOptions(t,e);i=h.getPixelForValue("object"==typeof d?d:NaN,e,u),a=n?c.getBasePixel():r.calculatePointY(d,e,u),t._xScale=h,t._yScale=c,t._options=g,t._datasetIndex=u,t._index=e,t._model={x:i,y:a,skip:s.skip||isNaN(i)||isNaN(a),radius:g.radius,pointStyle:g.pointStyle,rotation:g.rotation,backgroundColor:g.backgroundColor,borderColor:g.borderColor,borderWidth:g.borderWidth,tension:Vt(s.tension,f?f.tension:0),steppedLine:!!f&&f.steppedLine,hitRadius:g.hitRadius}},_resolveDatasetElementOptions:function(t){var e=this,n=e._config,i=t.custom||{},a=e.chart.options,r=a.elements.line,o=at.prototype._resolveDatasetElementOptions.apply(e,arguments);return o.spanGaps=Vt(n.spanGaps,a.spanGaps),o.tension=Vt(n.lineTension,r.tension),o.steppedLine=Ht([i.steppedLine,n.steppedLine,r.stepped]),o.clip=Gt(Vt(n.clip,Ut(e._xScale,e._yScale,o.borderWidth))),o},calculatePointY:function(t,e,n){var 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s={width:r,height:o};Re.notify(e,"resize",[s]),n.onResize&&n.onResize(e,s),e.stop(),e.update({duration:n.responsiveAnimationDuration})}},ensureScalesHaveIDs:function(){var t=this.options,e=t.scales||{},n=t.scale;B.each(e.xAxes,(function(t,n){t.id||(t.id=Je(e.xAxes,"x-axis-",n))})),B.each(e.yAxes,(function(t,n){t.id||(t.id=Je(e.yAxes,"y-axis-",n))})),n&&(n.id=n.id||"scale")},buildOrUpdateScales:function(){var t=this,e=t.options,n=t.scales||{},i=[],a=Object.keys(n).reduce((function(t,e){return t[e]=!1,t}),{});e.scales&&(i=i.concat((e.scales.xAxes||[]).map((function(t){return{options:t,dtype:"category",dposition:"bottom"}})),(e.scales.yAxes||[]).map((function(t){return{options:t,dtype:"linear",dposition:"left"}})))),e.scale&&i.push({options:e.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),B.each(i,(function(e){var i=e.options,r=i.id,o=Ze(i.type,e.dtype);Qe(i.position)!==Qe(e.dposition)&&(i.position=e.dposition),a[r]=!0;var s=null;if(r in n&&n[r].type===o)(s=n[r]).options=i,s.ctx=t.ctx,s.chart=t;else{var l=Ne.getScaleConstructor(o);if(!l)return;s=new l({id:r,type:o,options:i,ctx:t.ctx,chart:t}),n[s.id]=s}s.mergeTicksOptions(),e.isDefault&&(t.scale=s)})),B.each(a,(function(t,e){t||delete n[e]})),t.scales=n,Ne.addScalesToLayout(this)},buildOrUpdateControllers:function(){var t,e,n=this,i=[],a=n.data.datasets;for(t=0,e=a.length;t<e;t++){var r=a[t],o=n.getDatasetMeta(t),s=r.type||n.config.type;if(o.type&&o.type!==s&&(n.destroyDatasetMeta(t),o=n.getDatasetMeta(t)),o.type=s,o.order=r.order||0,o.index=t,o.controller)o.controller.updateIndex(t),o.controller.linkScales();else{var l=Qt[o.type];if(void 0===l)throw new Error('"'+o.type+'" is not a chart type.');o.controller=new l(n,t),i.push(o.controller)}}return i},resetElements:function(){var t=this;B.each(t.data.datasets,(function(e,n){t.getDatasetMeta(n).controller.reset()}),t)},reset:function(){this.resetElements(),this.tooltip.initialize()},update:function(t){var e,n,i=this;if(t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]}),Ke(i),Re._invalidate(i),!1!==Re.notify(i,"beforeUpdate")){i.tooltip._data=i.data;var a=i.buildOrUpdateControllers();for(e=0,n=i.data.datasets.length;e<n;e++)i.getDatasetMeta(e).controller.buildOrUpdateElements();i.updateLayout(),i.options.animation&&i.options.animation.duration&&B.each(a,(function(t){t.reset()})),i.updateDatasets(),i.tooltip.initialize(),i.lastActive=[],Re.notify(i,"afterUpdate"),i._layers.sort(tn("z","_idx")),i._bufferedRender?i._bufferedRequest={duration:t.duration,easing:t.easing,lazy:t.lazy}:i.render(t)}},updateLayout:function(){var t=this;!1!==Re.notify(t,"beforeLayout")&&(pe.update(this,this.width,this.height),t._layers=[],B.each(t.boxes,(function(e){e._configure&&e._configure(),t._layers.push.apply(t._layers,e._layers())}),t),t._layers.forEach((function(t,e){t._idx=e})),Re.notify(t,"afterScaleUpdate"),Re.notify(t,"afterLayout"))},updateDatasets:function(){if(!1!==Re.notify(this,"beforeDatasetsUpdate")){for(var t=0,e=this.data.datasets.length;t<e;++t)this.updateDataset(t);Re.notify(this,"afterDatasetsUpdate")}},updateDataset:function(t){var e=this.getDatasetMeta(t),n={meta:e,index:t};!1!==Re.notify(this,"beforeDatasetUpdate",[n])&&(e.controller._update(),Re.notify(this,"afterDatasetUpdate",[n]))},render:function(t){var e=this;t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]});var n=e.options.animation,i=Ze(t.duration,n&&n.duration),a=t.lazy;if(!1!==Re.notify(e,"beforeRender")){var r=function(t){Re.notify(e,"afterRender"),B.callback(n&&n.onComplete,[t],e)};if(n&&i){var o=new J({numSteps:i/16.66,easing:t.easing||n.easing,render:function(t,e){var n=B.easing.effects[e.easing],i=e.currentStep,a=i/e.numSteps;t.draw(n(a),a,i)},onAnimationProgress:n.onProgress,onAnimationComplete:r});Q.addAnimation(e,o,i,a)}else e.draw(),r(new J({numSteps:0,chart:e}));return e}},draw:function(t){var e,n,i=this;if(i.clear(),B.isNullOrUndef(t)&&(t=1),i.transition(t),!(i.width<=0||i.height<=0)&&!1!==Re.notify(i,"beforeDraw",[t])){for(n=i._layers,e=0;e<n.length&&n[e].z<=0;++e)n[e].draw(i.chartArea);for(i.drawDatasets(t);e<n.length;++e)n[e].draw(i.chartArea);i._drawTooltip(t),Re.notify(i,"afterDraw",[t])}},transition:function(t){for(var e=0,n=(this.data.datasets||[]).length;e<n;++e)this.isDatasetVisible(e)&&this.getDatasetMeta(e).controller.transition(t);this.tooltip.transition(t)},_getSortedDatasetMetas:function(t){var e,n,i=[];for(e=0,n=(this.data.datasets||[]).length;e<n;++e)t&&!this.isDatasetVisible(e)||i.push(this.getDatasetMeta(e));return i.sort(tn("order","index")),i},_getSortedVisibleDatasetMetas:function(){return this._getSortedDatasetMetas(!0)},drawDatasets:function(t){var e,n;if(!1!==Re.notify(this,"beforeDatasetsDraw",[t])){for(n=(e=this._getSortedVisibleDatasetMetas()).length-1;n>=0;--n)this.drawDataset(e[n],t);Re.notify(this,"afterDatasetsDraw",[t])}},drawDataset:function(t,e){var n={meta:t,index:t.index,easingValue:e};!1!==Re.notify(this,"beforeDatasetDraw",[n])&&(t.controller.draw(e),Re.notify(this,"afterDatasetDraw",[n]))},_drawTooltip:function(t){var e=this.tooltip,n={tooltip:e,easingValue:t};!1!==Re.notify(this,"beforeTooltipDraw",[n])&&(e.draw(),Re.notify(this,"afterTooltipDraw",[n]))},getElementAtEvent:function(t){return oe.modes.single(this,t)},getElementsAtEvent:function(t){return oe.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function(t){return oe.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function(t,e,n){var i=oe.modes[e];return"function"==typeof i?i(this,t,n):[]},getDatasetAtEvent:function(t){return oe.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function(t){var e=this.data.datasets[t];e._meta||(e._meta={});var n=e._meta[this.id];return n||(n=e._meta[this.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e.order||0,index:t}),n},getVisibleDatasetCount:function(){for(var t=0,e=0,n=this.data.datasets.length;e<n;++e)this.isDatasetVisible(e)&&t++;return t},isDatasetVisible:function(t){var e=this.getDatasetMeta(t);return"boolean"==typeof e.hidden?!e.hidden:!this.data.datasets[t].hidden},generateLegend:function(){return this.options.legendCallback(this)},destroyDatasetMeta:function(t){var e=this.id,n=this.data.datasets[t],i=n._meta&&n._meta[e];i&&(i.controller.destroy(),delete n._meta[e])},destroy:function(){var t,e,n=this,i=n.canvas;for(n.stop(),t=0,e=n.data.datasets.length;t<e;++t)n.destroyDatasetMeta(t);i&&(n.unbindEvents(),B.canvas.clear(n),Le.releaseContext(n.ctx),n.canvas=null,n.ctx=null),Re.notify(n,"destroy"),delete en.instances[n.id]},toBase64Image:function(){return this.canvas.toDataURL.apply(this.canvas,arguments)},initToolTip:function(){var t=this;t.tooltip=new qe({_chart:t,_chartInstance:t,_data:t.data,_options:t.options.tooltips},t)},bindEvents:function(){var t=this,e=t._listeners={},n=function(){t.eventHandler.apply(t,arguments)};B.each(t.options.events,(function(i){Le.addEventListener(t,i,n),e[i]=n})),t.options.responsive&&(n=function(){t.resize()},Le.addEventListener(t,"resize",n),e.resize=n)},unbindEvents:function(){var t=this,e=t._listeners;e&&(delete t._listeners,B.each(e,(function(e,n){Le.removeEventListener(t,n,e)})))},updateHoverStyle:function(t,e,n){var i,a,r,o=n?"set":"remove";for(a=0,r=t.length;a<r;++a)(i=t[a])&&this.getDatasetMeta(i._datasetIndex).controller[o+"HoverStyle"](i);"dataset"===e&&this.getDatasetMeta(t[0]._datasetIndex).controller["_"+o+"DatasetHoverStyle"]()},eventHandler:function(t){var e=this,n=e.tooltip;if(!1!==Re.notify(e,"beforeEvent",[t])){e._bufferedRender=!0,e._bufferedRequest=null;var i=e.handleEvent(t);n&&(i=n._start?n.handleEvent(t):i|n.handleEvent(t)),Re.notify(e,"afterEvent",[t]);var a=e._bufferedRequest;return a?e.render(a):i&&!e.animating&&(e.stop(),e.render({duration:e.options.hover.animationDuration,lazy:!0})),e._bufferedRender=!1,e._bufferedRequest=null,e}},handleEvent:function(t){var e,n=this,i=n.options||{},a=i.hover;return n.lastActive=n.lastActive||[],"mouseout"===t.type?n.active=[]:n.active=n.getElementsAtEventForMode(t,a.mode,a),B.callback(i.onHover||i.hover.onHover,[t.native,n.active],n),"mouseup"!==t.type&&"click"!==t.type||i.onClick&&i.onClick.call(n,t.native,n.active),n.lastActive.length&&n.updateHoverStyle(n.lastActive,a.mode,!1),n.active.length&&a.mode&&n.updateHoverStyle(n.active,a.mode,!0),e=!B.arrayEquals(n.active,n.lastActive),n.lastActive=n.active,e}}),en.instances={};var nn=en;en.Controller=en,en.types={},B.configMerge=Xe,B.scaleMerge=$e;function an(){throw new Error("This method is not implemented: either no adapter can be found or an incomplete integration was provided.")}function rn(t){this.options=t||{}}B.extend(rn.prototype,{formats:an,parse:an,format:an,add:an,diff:an,startOf:an,endOf:an,_create:function(t){return t}}),rn.override=function(t){B.extend(rn.prototype,t)};var on={_date:rn},sn={formatters:{values:function(t){return B.isArray(t)?t:""+t},linear:function(t,e,n){var i=n.length>3?n[2]-n[1]:n[1]-n[0];Math.abs(i)>1&&t!==Math.floor(t)&&(i=t-Math.floor(t));var a=B.log10(Math.abs(i)),r="";if(0!==t)if(Math.max(Math.abs(n[0]),Math.abs(n[n.length-1]))<1e-4){var o=B.log10(Math.abs(t)),s=Math.floor(o)-Math.floor(a);s=Math.max(Math.min(s,20),0),r=t.toExponential(s)}else{var l=-1*Math.floor(a);l=Math.max(Math.min(l,20),0),r=t.toFixed(l)}else r="0";return r},logarithmic:function(t,e,n){var i=t/Math.pow(10,Math.floor(B.log10(t)));return 0===t?"0":1===i||2===i||5===i||0===e||e===n.length-1?t.toExponential():""}}},ln=B.isArray,un=B.isNullOrUndef,dn=B.valueOrDefault,hn=B.valueAtIndexOrDefault;function cn(t,e,n){var i,a=t.getTicks().length,r=Math.min(e,a-1),o=t.getPixelForTick(r),s=t._startPixel,l=t._endPixel;if(!(n&&(i=1===a?Math.max(o-s,l-o):0===e?(t.getPixelForTick(1)-o)/2:(o-t.getPixelForTick(r-1))/2,(o+=r<e?i:-i)<s-1e-6||o>l+1e-6)))return o}function fn(t,e,n,i){var a,r,o,s,l,u,d,h,c,f,g,m,p,v=n.length,b=[],y=[],x=[],_=0,w=0;for(a=0;a<v;++a){if(s=n[a].label,l=n[a].major?e.major:e.minor,t.font=u=l.string,d=i[u]=i[u]||{data:{},gc:[]},h=l.lineHeight,c=f=0,un(s)||ln(s)){if(ln(s))for(r=0,o=s.length;r<o;++r)g=s[r],un(g)||ln(g)||(c=B.measureText(t,d.data,d.gc,c,g),f+=h)}else c=B.measureText(t,d.data,d.gc,c,s),f=h;b.push(c),y.push(f),x.push(h/2),_=Math.max(c,_),w=Math.max(f,w)}function k(t){return{width:b[t]||0,height:y[t]||0,offset:x[t]||0}}return function(t,e){B.each(t,(function(t){var n,i=t.gc,a=i.length/2;if(a>e){for(n=0;n<a;++n)delete t.data[i[n]];i.splice(0,a)}}))}(i,v),m=b.indexOf(_),p=y.indexOf(w),{first:k(0),last:k(v-1),widest:k(m),highest:k(p)}}function gn(t){return t.drawTicks?t.tickMarkLength:0}function mn(t){var e,n;return t.display?(e=B.options._parseFont(t),n=B.options.toPadding(t.padding),e.lineHeight+n.height):0}function pn(t,e){return B.extend(B.options._parseFont({fontFamily:dn(e.fontFamily,t.fontFamily),fontSize:dn(e.fontSize,t.fontSize),fontStyle:dn(e.fontStyle,t.fontStyle),lineHeight:dn(e.lineHeight,t.lineHeight)}),{color:B.options.resolve([e.fontColor,t.fontColor,Y.global.defaultFontColor])})}function vn(t){var e=pn(t,t.minor);return{minor:e,major:t.major.enabled?pn(t,t.major):e}}function bn(t){var e,n,i,a=[];for(n=0,i=t.length;n<i;++n)void 0!==(e=t[n])._index&&a.push(e);return a}function yn(t,e,n,i){var a,r,o,s,l=dn(n,0),u=Math.min(dn(i,t.length),t.length),d=0;for(e=Math.ceil(e),i&&(e=(a=i-n)/Math.floor(a/e)),s=l;s<0;)d++,s=Math.round(l+d*e);for(r=Math.max(l,0);r<u;r++)o=t[r],r===s?(o._index=r,d++,s=Math.round(l+d*e)):delete o.label}Y._set("scale",{display:!0,position:"left",offset:!1,gridLines:{display:!0,color:"rgba(0,0,0,0.1)",lineWidth:1,drawBorder:!0,drawOnChartArea:!0,drawTicks:!0,tickMarkLength:10,zeroLineWidth:1,zeroLineColor:"rgba(0,0,0,0.25)",zeroLineBorderDash:[],zeroLineBorderDashOffset:0,offsetGridLines:!1,borderDash:[],borderDashOffset:0},scaleLabel:{display:!1,labelString:"",padding:{top:4,bottom:4}},ticks:{beginAtZero:!1,minRotation:0,maxRotation:50,mirror:!1,padding:0,reverse:!1,display:!0,autoSkip:!0,autoSkipPadding:0,labelOffset:0,callback:sn.formatters.values,minor:{},major:{}}});var xn=X.extend({zeroLineIndex:0,getPadding:function(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}},getTicks:function(){return this._ticks},_getLabels:function(){var t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]},mergeTicksOptions:function(){},beforeUpdate:function(){B.callback(this.options.beforeUpdate,[this])},update:function(t,e,n){var i,a,r,o,s,l=this,u=l.options.ticks,d=u.sampleSize;if(l.beforeUpdate(),l.maxWidth=t,l.maxHeight=e,l.margins=B.extend({left:0,right:0,top:0,bottom:0},n),l._ticks=null,l.ticks=null,l._labelSizes=null,l._maxLabelLines=0,l.longestLabelWidth=0,l.longestTextCache=l.longestTextCache||{},l._gridLineItems=null,l._labelItems=null,l.beforeSetDimensions(),l.setDimensions(),l.afterSetDimensions(),l.beforeDataLimits(),l.determineDataLimits(),l.afterDataLimits(),l.beforeBuildTicks(),o=l.buildTicks()||[],(!(o=l.afterBuildTicks(o)||o)||!o.length)&&l.ticks)for(o=[],i=0,a=l.ticks.length;i<a;++i)o.push({value:l.ticks[i],major:!1});return l._ticks=o,s=d<o.length,r=l._convertTicksToLabels(s?function(t,e){for(var n=[],i=t.length/e,a=0,r=t.length;a<r;a+=i)n.push(t[Math.floor(a)]);return n}(o,d):o),l._configure(),l.beforeCalculateTickRotation(),l.calculateTickRotation(),l.afterCalculateTickRotation(),l.beforeFit(),l.fit(),l.afterFit(),l._ticksToDraw=u.display&&(u.autoSkip||"auto"===u.source)?l._autoSkip(o):o,s&&(r=l._convertTicksToLabels(l._ticksToDraw)),l.ticks=r,l.afterUpdate(),l.minSize},_configure:function(){var t,e,n=this,i=n.options.ticks.reverse;n.isHorizontal()?(t=n.left,e=n.right):(t=n.top,e=n.bottom,i=!i),n._startPixel=t,n._endPixel=e,n._reversePixels=i,n._length=e-t},afterUpdate:function(){B.callback(this.options.afterUpdate,[this])},beforeSetDimensions:function(){B.callback(this.options.beforeSetDimensions,[this])},setDimensions:function(){var t=this;t.isHorizontal()?(t.width=t.maxWidth,t.left=0,t.right=t.width):(t.height=t.maxHeight,t.top=0,t.bottom=t.height),t.paddingLeft=0,t.paddingTop=0,t.paddingRight=0,t.paddingBottom=0},afterSetDimensions:function(){B.callback(this.options.afterSetDimensions,[this])},beforeDataLimits:function(){B.callback(this.options.beforeDataLimits,[this])},determineDataLimits:B.noop,afterDataLimits:function(){B.callback(this.options.afterDataLimits,[this])},beforeBuildTicks:function(){B.callback(this.options.beforeBuildTicks,[this])},buildTicks:B.noop,afterBuildTicks:function(t){var e=this;return ln(t)&&t.length?B.callback(e.options.afterBuildTicks,[e,t]):(e.ticks=B.callback(e.options.afterBuildTicks,[e,e.ticks])||e.ticks,t)},beforeTickToLabelConversion:function(){B.callback(this.options.beforeTickToLabelConversion,[this])},convertTicksToLabels:function(){var t=this.options.ticks;this.ticks=this.ticks.map(t.userCallback||t.callback,this)},afterTickToLabelConversion:function(){B.callback(this.options.afterTickToLabelConversion,[this])},beforeCalculateTickRotation:function(){B.callback(this.options.beforeCalculateTickRotation,[this])},calculateTickRotation:function(){var t,e,n,i,a,r,o,s=this,l=s.options,u=l.ticks,d=s.getTicks().length,h=u.minRotation||0,c=u.maxRotation,f=h;!s._isVisible()||!u.display||h>=c||d<=1||!s.isHorizontal()?s.labelRotation=h:(e=(t=s._getLabelSizes()).widest.width,n=t.highest.height-t.highest.offset,i=Math.min(s.maxWidth,s.chart.width-e),e+6>(a=l.offset?s.maxWidth/d:i/(d-1))&&(a=i/(d-(l.offset?.5:1)),r=s.maxHeight-gn(l.gridLines)-u.padding-mn(l.scaleLabel),o=Math.sqrt(e*e+n*n),f=B.toDegrees(Math.min(Math.asin(Math.min((t.highest.height+6)/a,1)),Math.asin(Math.min(r/o,1))-Math.asin(n/o))),f=Math.max(h,Math.min(c,f))),s.labelRotation=f)},afterCalculateTickRotation:function(){B.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){B.callback(this.options.beforeFit,[this])},fit:function(){var t=this,e=t.minSize={width:0,height:0},n=t.chart,i=t.options,a=i.ticks,r=i.scaleLabel,o=i.gridLines,s=t._isVisible(),l="bottom"===i.position,u=t.isHorizontal();if(u?e.width=t.maxWidth:s&&(e.width=gn(o)+mn(r)),u?s&&(e.height=gn(o)+mn(r)):e.height=t.maxHeight,a.display&&s){var d=vn(a),h=t._getLabelSizes(),c=h.first,f=h.last,g=h.widest,m=h.highest,p=.4*d.minor.lineHeight,v=a.padding;if(u){var b=0!==t.labelRotation,y=B.toRadians(t.labelRotation),x=Math.cos(y),_=Math.sin(y),w=_*g.width+x*(m.height-(b?m.offset:0))+(b?0:p);e.height=Math.min(t.maxHeight,e.height+w+v);var k,M,S=t.getPixelForTick(0)-t.left,D=t.right-t.getPixelForTick(t.getTicks().length-1);b?(k=l?x*c.width+_*c.offset:_*(c.height-c.offset),M=l?_*(f.height-f.offset):x*f.width+_*f.offset):(k=c.width/2,M=f.width/2),t.paddingLeft=Math.max((k-S)*t.width/(t.width-S),0)+3,t.paddingRight=Math.max((M-D)*t.width/(t.width-D),0)+3}else{var C=a.mirror?0:g.width+v+p;e.width=Math.min(t.maxWidth,e.width+C),t.paddingTop=c.height/2,t.paddingBottom=f.height/2}}t.handleMargins(),u?(t.width=t._length=n.width-t.margins.left-t.margins.right,t.height=e.height):(t.width=e.width,t.height=t._length=n.height-t.margins.top-t.margins.bottom)},handleMargins:function(){var t=this;t.margins&&(t.margins.left=Math.max(t.paddingLeft,t.margins.left),t.margins.top=Math.max(t.paddingTop,t.margins.top),t.margins.right=Math.max(t.paddingRight,t.margins.right),t.margins.bottom=Math.max(t.paddingBottom,t.margins.bottom))},afterFit:function(){B.callback(this.options.afterFit,[this])},isHorizontal:function(){var t=this.options.position;return"top"===t||"bottom"===t},isFullWidth:function(){return this.options.fullWidth},getRightValue:function(t){if(un(t))return NaN;if(("number"==typeof t||t instanceof Number)&&!isFinite(t))return NaN;if(t)if(this.isHorizontal()){if(void 0!==t.x)return this.getRightValue(t.x)}else if(void 0!==t.y)return this.getRightValue(t.y);return t},_convertTicksToLabels:function(t){var e,n,i,a=this;for(a.ticks=t.map((function(t){return t.value})),a.beforeTickToLabelConversion(),e=a.convertTicksToLabels(t)||a.ticks,a.afterTickToLabelConversion(),n=0,i=t.length;n<i;++n)t[n].label=e[n];return e},_getLabelSizes:function(){var t=this,e=t._labelSizes;return e||(t._labelSizes=e=fn(t.ctx,vn(t.options.ticks),t.getTicks(),t.longestTextCache),t.longestLabelWidth=e.widest.width),e},_parseValue:function(t){var e,n,i,a;return ln(t)?(e=+this.getRightValue(t[0]),n=+this.getRightValue(t[1]),i=Math.min(e,n),a=Math.max(e,n)):(e=void 0,n=t=+this.getRightValue(t),i=t,a=t),{min:i,max:a,start:e,end:n}},_getScaleLabel:function(t){var e=this._parseValue(t);return void 0!==e.start?"["+e.start+", "+e.end+"]":+this.getRightValue(t)},getLabelForIndex:B.noop,getPixelForValue:B.noop,getValueForPixel:B.noop,getPixelForTick:function(t){var e=this.options.offset,n=this._ticks.length,i=1/Math.max(n-(e?0:1),1);return t<0||t>n-1?null:this.getPixelForDecimal(t*i+(e?i/2:0))},getPixelForDecimal:function(t){return this._reversePixels&&(t=1-t),this._startPixel+t*this._length},getDecimalForPixel:function(t){var e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e},getBasePixel:function(){return this.getPixelForValue(this.getBaseValue())},getBaseValue:function(){var t=this.min,e=this.max;return this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0},_autoSkip:function(t){var e,n,i,a,r=this.options.ticks,o=this._length,s=r.maxTicksLimit||o/this._tickSize()+1,l=r.major.enabled?function(t){var e,n,i=[];for(e=0,n=t.length;e<n;e++)t[e].major&&i.push(e);return i}(t):[],u=l.length,d=l[0],h=l[u-1];if(u>s)return function(t,e,n){var i,a,r=0,o=e[0];for(n=Math.ceil(n),i=0;i<t.length;i++)a=t[i],i===o?(a._index=i,o=e[++r*n]):delete a.label}(t,l,u/s),bn(t);if(i=function(t,e,n,i){var a,r,o,s,l=function(t){var e,n,i=t.length;if(i<2)return!1;for(n=t[0],e=1;e<i;++e)if(t[e]-t[e-1]!==n)return!1;return n}(t),u=(e.length-1)/i;if(!l)return Math.max(u,1);for(o=0,s=(a=B.math._factorize(l)).length-1;o<s;o++)if((r=a[o])>u)return r;return Math.max(u,1)}(l,t,0,s),u>0){for(e=0,n=u-1;e<n;e++)yn(t,i,l[e],l[e+1]);return a=u>1?(h-d)/(u-1):null,yn(t,i,B.isNullOrUndef(a)?0:d-a,d),yn(t,i,h,B.isNullOrUndef(a)?t.length:h+a),bn(t)}return yn(t,i),bn(t)},_tickSize:function(){var t=this.options.ticks,e=B.toRadians(this.labelRotation),n=Math.abs(Math.cos(e)),i=Math.abs(Math.sin(e)),a=this._getLabelSizes(),r=t.autoSkipPadding||0,o=a?a.widest.width+r:0,s=a?a.highest.height+r:0;return this.isHorizontal()?s*n>o*i?o/n:s/i:s*i<o*n?s/n:o/i},_isVisible:function(){var t,e,n,i=this.chart,a=this.options.display;if("auto"!==a)return!!a;for(t=0,e=i.data.datasets.length;t<e;++t)if(i.isDatasetVisible(t)&&((n=i.getDatasetMeta(t)).xAxisID===this.id||n.yAxisID===this.id))return!0;return!1},_computeGridLineItems:function(t){var e,n,i,a,r,o,s,l,u,d,h,c,f,g,m,p,v,b=this,y=b.chart,x=b.options,_=x.gridLines,w=x.position,k=_.offsetGridLines,M=b.isHorizontal(),S=b._ticksToDraw,D=S.length+(k?1:0),C=gn(_),P=[],T=_.drawBorder?hn(_.lineWidth,0,0):0,O=T/2,A=B._alignPixel,F=function(t){return A(y,t,T)};for("top"===w?(e=F(b.bottom),s=b.bottom-C,u=e-O,h=F(t.top)+O,f=t.bottom):"bottom"===w?(e=F(b.top),h=t.top,f=F(t.bottom)-O,s=e+O,u=b.top+C):"left"===w?(e=F(b.right),o=b.right-C,l=e-O,d=F(t.left)+O,c=t.right):(e=F(b.left),d=t.left,c=F(t.right)-O,o=e+O,l=b.left+C),n=0;n<D;++n)i=S[n]||{},un(i.label)&&n<S.length||(n===b.zeroLineIndex&&x.offset===k?(g=_.zeroLineWidth,m=_.zeroLineColor,p=_.zeroLineBorderDash||[],v=_.zeroLineBorderDashOffset||0):(g=hn(_.lineWidth,n,1),m=hn(_.color,n,"rgba(0,0,0,0.1)"),p=_.borderDash||[],v=_.borderDashOffset||0),void 0!==(a=cn(b,i._index||n,k))&&(r=A(y,a,g),M?o=l=d=c=r:s=u=h=f=r,P.push({tx1:o,ty1:s,tx2:l,ty2:u,x1:d,y1:h,x2:c,y2:f,width:g,color:m,borderDash:p,borderDashOffset:v})));return P.ticksLength=D,P.borderValue=e,P},_computeLabelItems:function(){var t,e,n,i,a,r,o,s,l,u,d,h,c=this,f=c.options,g=f.ticks,m=f.position,p=g.mirror,v=c.isHorizontal(),b=c._ticksToDraw,y=vn(g),x=g.padding,_=gn(f.gridLines),w=-B.toRadians(c.labelRotation),k=[];for("top"===m?(r=c.bottom-_-x,o=w?"left":"center"):"bottom"===m?(r=c.top+_+x,o=w?"right":"center"):"left"===m?(a=c.right-(p?0:_)-x,o=p?"left":"right"):(a=c.left+(p?0:_)+x,o=p?"right":"left"),t=0,e=b.length;t<e;++t)i=(n=b[t]).label,un(i)||(s=c.getPixelForTick(n._index||t)+g.labelOffset,u=(l=n.major?y.major:y.minor).lineHeight,d=ln(i)?i.length:1,v?(a=s,h="top"===m?((w?1:.5)-d)*u:(w?0:.5)*u):(r=s,h=(1-d)*u/2),k.push({x:a,y:r,rotation:w,label:i,font:l,textOffset:h,textAlign:o}));return k},_drawGrid:function(t){var e=this,n=e.options.gridLines;if(n.display){var i,a,r,o,s,l=e.ctx,u=e.chart,d=B._alignPixel,h=n.drawBorder?hn(n.lineWidth,0,0):0,c=e._gridLineItems||(e._gridLineItems=e._computeGridLineItems(t));for(r=0,o=c.length;r<o;++r)i=(s=c[r]).width,a=s.color,i&&a&&(l.save(),l.lineWidth=i,l.strokeStyle=a,l.setLineDash&&(l.setLineDash(s.borderDash),l.lineDashOffset=s.borderDashOffset),l.beginPath(),n.drawTicks&&(l.moveTo(s.tx1,s.ty1),l.lineTo(s.tx2,s.ty2)),n.drawOnChartArea&&(l.moveTo(s.x1,s.y1),l.lineTo(s.x2,s.y2)),l.stroke(),l.restore());if(h){var f,g,m,p,v=h,b=hn(n.lineWidth,c.ticksLength-1,1),y=c.borderValue;e.isHorizontal()?(f=d(u,e.left,v)-v/2,g=d(u,e.right,b)+b/2,m=p=y):(m=d(u,e.top,v)-v/2,p=d(u,e.bottom,b)+b/2,f=g=y),l.lineWidth=h,l.strokeStyle=hn(n.color,0),l.beginPath(),l.moveTo(f,m),l.lineTo(g,p),l.stroke()}}},_drawLabels:function(){var t=this;if(t.options.ticks.display){var e,n,i,a,r,o,s,l,u=t.ctx,d=t._labelItems||(t._labelItems=t._computeLabelItems());for(e=0,i=d.length;e<i;++e){if(o=(r=d[e]).font,u.save(),u.translate(r.x,r.y),u.rotate(r.rotation),u.font=o.string,u.fillStyle=o.color,u.textBaseline="middle",u.textAlign=r.textAlign,s=r.label,l=r.textOffset,ln(s))for(n=0,a=s.length;n<a;++n)u.fillText(""+s[n],0,l),l+=o.lineHeight;else u.fillText(s,0,l);u.restore()}}},_drawTitle:function(){var t=this,e=t.ctx,n=t.options,i=n.scaleLabel;if(i.display){var a,r,o=dn(i.fontColor,Y.global.defaultFontColor),s=B.options._parseFont(i),l=B.options.toPadding(i.padding),u=s.lineHeight/2,d=n.position,h=0;if(t.isHorizontal())a=t.left+t.width/2,r="bottom"===d?t.bottom-u-l.bottom:t.top+u+l.top;else{var c="left"===d;a=c?t.left+u+l.top:t.right-u-l.top,r=t.top+t.height/2,h=c?-.5*Math.PI:.5*Math.PI}e.save(),e.translate(a,r),e.rotate(h),e.textAlign="center",e.textBaseline="middle",e.fillStyle=o,e.font=s.string,e.fillText(i.labelString,0,0),e.restore()}},draw:function(t){this._isVisible()&&(this._drawGrid(t),this._drawTitle(),this._drawLabels())},_layers:function(){var t=this,e=t.options,n=e.ticks&&e.ticks.z||0,i=e.gridLines&&e.gridLines.z||0;return t._isVisible()&&n!==i&&t.draw===t._draw?[{z:i,draw:function(){t._drawGrid.apply(t,arguments),t._drawTitle.apply(t,arguments)}},{z:n,draw:function(){t._drawLabels.apply(t,arguments)}}]:[{z:n,draw:function(){t.draw.apply(t,arguments)}}]},_getMatchingVisibleMetas:function(t){var e=this,n=e.isHorizontal();return e.chart._getSortedVisibleDatasetMetas().filter((function(i){return(!t||i.type===t)&&(n?i.xAxisID===e.id:i.yAxisID===e.id)}))}});xn.prototype._draw=xn.prototype.draw;var _n=xn,wn=B.isNullOrUndef,kn=_n.extend({determineDataLimits:function(){var t,e=this,n=e._getLabels(),i=e.options.ticks,a=i.min,r=i.max,o=0,s=n.length-1;void 0!==a&&(t=n.indexOf(a))>=0&&(o=t),void 0!==r&&(t=n.indexOf(r))>=0&&(s=t),e.minIndex=o,e.maxIndex=s,e.min=n[o],e.max=n[s]},buildTicks:function(){var t=this._getLabels(),e=this.minIndex,n=this.maxIndex;this.ticks=0===e&&n===t.length-1?t:t.slice(e,n+1)},getLabelForIndex:function(t,e){var n=this.chart;return n.getDatasetMeta(e).controller._getValueScaleId()===this.id?this.getRightValue(n.data.datasets[e].data[t]):this._getLabels()[t]},_configure:function(){var t=this,e=t.options.offset,n=t.ticks;_n.prototype._configure.call(t),t.isHorizontal()||(t._reversePixels=!t._reversePixels),n&&(t._startValue=t.minIndex-(e?.5:0),t._valueRange=Math.max(n.length-(e?0:1),1))},getPixelForValue:function(t,e,n){var i,a,r,o=this;return wn(e)||wn(n)||(t=o.chart.data.datasets[n].data[e]),wn(t)||(i=o.isHorizontal()?t.x:t.y),(void 0!==i||void 0!==t&&isNaN(e))&&(a=o._getLabels(),t=B.valueOrDefault(i,t),e=-1!==(r=a.indexOf(t))?r:e,isNaN(e)&&(e=t)),o.getPixelForDecimal((e-o._startValue)/o._valueRange)},getPixelForTick:function(t){var e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t],t+this.minIndex)},getValueForPixel:function(t){var e=Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange);return Math.min(Math.max(e,0),this.ticks.length-1)},getBasePixel:function(){return this.bottom}}),Mn={position:"bottom"};kn._defaults=Mn;var Sn=B.noop,Dn=B.isNullOrUndef;var Cn=_n.extend({getRightValue:function(t){return"string"==typeof t?+t:_n.prototype.getRightValue.call(this,t)},handleTickRangeOptions:function(){var t=this,e=t.options.ticks;if(e.beginAtZero){var n=B.sign(t.min),i=B.sign(t.max);n<0&&i<0?t.max=0:n>0&&i>0&&(t.min=0)}var a=void 0!==e.min||void 0!==e.suggestedMin,r=void 0!==e.max||void 0!==e.suggestedMax;void 0!==e.min?t.min=e.min:void 0!==e.suggestedMin&&(null===t.min?t.min=e.suggestedMin:t.min=Math.min(t.min,e.suggestedMin)),void 0!==e.max?t.max=e.max:void 0!==e.suggestedMax&&(null===t.max?t.max=e.suggestedMax:t.max=Math.max(t.max,e.suggestedMax)),a!==r&&t.min>=t.max&&(a?t.max=t.min+1:t.min=t.max-1),t.min===t.max&&(t.max++,e.beginAtZero||t.min--)},getTickLimit:function(){var t,e=this.options.ticks,n=e.stepSize,i=e.maxTicksLimit;return n?t=Math.ceil(this.max/n)-Math.floor(this.min/n)+1:(t=this._computeTickLimit(),i=i||11),i&&(t=Math.min(i,t)),t},_computeTickLimit:function(){return Number.POSITIVE_INFINITY},handleDirectionalChanges:Sn,buildTicks:function(){var t=this,e=t.options.ticks,n=t.getTickLimit(),i={maxTicks:n=Math.max(2,n),min:e.min,max:e.max,precision:e.precision,stepSize:B.valueOrDefault(e.fixedStepSize,e.stepSize)},a=t.ticks=function(t,e){var n,i,a,r,o=[],s=t.stepSize,l=s||1,u=t.maxTicks-1,d=t.min,h=t.max,c=t.precision,f=e.min,g=e.max,m=B.niceNum((g-f)/u/l)*l;if(m<1e-14&&Dn(d)&&Dn(h))return[f,g];(r=Math.ceil(g/m)-Math.floor(f/m))>u&&(m=B.niceNum(r*m/u/l)*l),s||Dn(c)?n=Math.pow(10,B._decimalPlaces(m)):(n=Math.pow(10,c),m=Math.ceil(m*n)/n),i=Math.floor(f/m)*m,a=Math.ceil(g/m)*m,s&&(!Dn(d)&&B.almostWhole(d/m,m/1e3)&&(i=d),!Dn(h)&&B.almostWhole(h/m,m/1e3)&&(a=h)),r=(a-i)/m,r=B.almostEquals(r,Math.round(r),m/1e3)?Math.round(r):Math.ceil(r),i=Math.round(i*n)/n,a=Math.round(a*n)/n,o.push(Dn(d)?i:d);for(var p=1;p<r;++p)o.push(Math.round((i+p*m)*n)/n);return o.push(Dn(h)?a:h),o}(i,t);t.handleDirectionalChanges(),t.max=B.max(a),t.min=B.min(a),e.reverse?(a.reverse(),t.start=t.max,t.end=t.min):(t.start=t.min,t.end=t.max)},convertTicksToLabels:function(){var t=this;t.ticksAsNumbers=t.ticks.slice(),t.zeroLineIndex=t.ticks.indexOf(0),_n.prototype.convertTicksToLabels.call(t)},_configure:function(){var t,e=this,n=e.getTicks(),i=e.min,a=e.max;_n.prototype._configure.call(e),e.options.offset&&n.length&&(i-=t=(a-i)/Math.max(n.length-1,1)/2,a+=t),e._startValue=i,e._endValue=a,e._valueRange=a-i}}),Pn={position:"left",ticks:{callback:sn.formatters.linear}};function Tn(t,e,n,i){var a,r,o=t.options,s=function(t,e,n){var i=[n.type,void 0===e&&void 0===n.stack?n.index:"",n.stack].join(".");return void 0===t[i]&&(t[i]={pos:[],neg:[]}),t[i]}(e,o.stacked,n),l=s.pos,u=s.neg,d=i.length;for(a=0;a<d;++a)r=t._parseValue(i[a]),isNaN(r.min)||isNaN(r.max)||n.data[a].hidden||(l[a]=l[a]||0,u[a]=u[a]||0,o.relativePoints?l[a]=100:r.min<0||r.max<0?u[a]+=r.min:l[a]+=r.max)}function On(t,e,n){var i,a,r=n.length;for(i=0;i<r;++i)a=t._parseValue(n[i]),isNaN(a.min)||isNaN(a.max)||e.data[i].hidden||(t.min=Math.min(t.min,a.min),t.max=Math.max(t.max,a.max))}var An=Cn.extend({determineDataLimits:function(){var t,e,n,i,a=this,r=a.options,o=a.chart.data.datasets,s=a._getMatchingVisibleMetas(),l=r.stacked,u={},d=s.length;if(a.min=Number.POSITIVE_INFINITY,a.max=Number.NEGATIVE_INFINITY,void 0===l)for(t=0;!l&&t<d;++t)l=void 0!==(e=s[t]).stack;for(t=0;t<d;++t)n=o[(e=s[t]).index].data,l?Tn(a,u,e,n):On(a,e,n);B.each(u,(function(t){i=t.pos.concat(t.neg),a.min=Math.min(a.min,B.min(i)),a.max=Math.max(a.max,B.max(i))})),a.min=B.isFinite(a.min)&&!isNaN(a.min)?a.min:0,a.max=B.isFinite(a.max)&&!isNaN(a.max)?a.max:1,a.handleTickRangeOptions()},_computeTickLimit:function(){var t;return this.isHorizontal()?Math.ceil(this.width/40):(t=B.options._parseFont(this.options.ticks),Math.ceil(this.height/t.lineHeight))},handleDirectionalChanges:function(){this.isHorizontal()||this.ticks.reverse()},getLabelForIndex:function(t,e){return this._getScaleLabel(this.chart.data.datasets[e].data[t])},getPixelForValue:function(t){return this.getPixelForDecimal((+this.getRightValue(t)-this._startValue)/this._valueRange)},getValueForPixel:function(t){return this._startValue+this.getDecimalForPixel(t)*this._valueRange},getPixelForTick:function(t){var e=this.ticksAsNumbers;return t<0||t>e.length-1?null:this.getPixelForValue(e[t])}}),Fn=Pn;An._defaults=Fn;var In=B.valueOrDefault,Ln=B.math.log10;var Rn={position:"left",ticks:{callback:sn.formatters.logarithmic}};function Nn(t,e){return B.isFinite(t)&&t>=0?t:e}var Wn=_n.extend({determineDataLimits:function(){var t,e,n,i,a,r,o=this,s=o.options,l=o.chart,u=l.data.datasets,d=o.isHorizontal();function h(t){return d?t.xAxisID===o.id:t.yAxisID===o.id}o.min=Number.POSITIVE_INFINITY,o.max=Number.NEGATIVE_INFINITY,o.minNotZero=Number.POSITIVE_INFINITY;var c=s.stacked;if(void 0===c)for(t=0;t<u.length;t++)if(e=l.getDatasetMeta(t),l.isDatasetVisible(t)&&h(e)&&void 0!==e.stack){c=!0;break}if(s.stacked||c){var f={};for(t=0;t<u.length;t++){var g=[(e=l.getDatasetMeta(t)).type,void 0===s.stacked&&void 0===e.stack?t:"",e.stack].join(".");if(l.isDatasetVisible(t)&&h(e))for(void 0===f[g]&&(f[g]=[]),a=0,r=(i=u[t].data).length;a<r;a++){var m=f[g];n=o._parseValue(i[a]),isNaN(n.min)||isNaN(n.max)||e.data[a].hidden||n.min<0||n.max<0||(m[a]=m[a]||0,m[a]+=n.max)}}B.each(f,(function(t){if(t.length>0){var e=B.min(t),n=B.max(t);o.min=Math.min(o.min,e),o.max=Math.max(o.max,n)}}))}else for(t=0;t<u.length;t++)if(e=l.getDatasetMeta(t),l.isDatasetVisible(t)&&h(e))for(a=0,r=(i=u[t].data).length;a<r;a++)n=o._parseValue(i[a]),isNaN(n.min)||isNaN(n.max)||e.data[a].hidden||n.min<0||n.max<0||(o.min=Math.min(n.min,o.min),o.max=Math.max(n.max,o.max),0!==n.min&&(o.minNotZero=Math.min(n.min,o.minNotZero)));o.min=B.isFinite(o.min)?o.min:null,o.max=B.isFinite(o.max)?o.max:null,o.minNotZero=B.isFinite(o.minNotZero)?o.minNotZero:null,this.handleTickRangeOptions()},handleTickRangeOptions:function(){var t=this,e=t.options.ticks;t.min=Nn(e.min,t.min),t.max=Nn(e.max,t.max),t.min===t.max&&(0!==t.min&&null!==t.min?(t.min=Math.pow(10,Math.floor(Ln(t.min))-1),t.max=Math.pow(10,Math.floor(Ln(t.max))+1)):(t.min=1,t.max=10)),null===t.min&&(t.min=Math.pow(10,Math.floor(Ln(t.max))-1)),null===t.max&&(t.max=0!==t.min?Math.pow(10,Math.floor(Ln(t.min))+1):10),null===t.minNotZero&&(t.min>0?t.minNotZero=t.min:t.max<1?t.minNotZero=Math.pow(10,Math.floor(Ln(t.max))):t.minNotZero=1)},buildTicks:function(){var t=this,e=t.options.ticks,n=!t.isHorizontal(),i={min:Nn(e.min),max:Nn(e.max)},a=t.ticks=function(t,e){var n,i,a=[],r=In(t.min,Math.pow(10,Math.floor(Ln(e.min)))),o=Math.floor(Ln(e.max)),s=Math.ceil(e.max/Math.pow(10,o));0===r?(n=Math.floor(Ln(e.minNotZero)),i=Math.floor(e.minNotZero/Math.pow(10,n)),a.push(r),r=i*Math.pow(10,n)):(n=Math.floor(Ln(r)),i=Math.floor(r/Math.pow(10,n)));var l=n<0?Math.pow(10,Math.abs(n)):1;do{a.push(r),10===++i&&(i=1,l=++n>=0?1:l),r=Math.round(i*Math.pow(10,n)*l)/l}while(n<o||n===o&&i<s);var u=In(t.max,r);return a.push(u),a}(i,t);t.max=B.max(a),t.min=B.min(a),e.reverse?(n=!n,t.start=t.max,t.end=t.min):(t.start=t.min,t.end=t.max),n&&a.reverse()},convertTicksToLabels:function(){this.tickValues=this.ticks.slice(),_n.prototype.convertTicksToLabels.call(this)},getLabelForIndex:function(t,e){return this._getScaleLabel(this.chart.data.datasets[e].data[t])},getPixelForTick:function(t){var e=this.tickValues;return t<0||t>e.length-1?null:this.getPixelForValue(e[t])},_getFirstTickValue:function(t){var e=Math.floor(Ln(t));return Math.floor(t/Math.pow(10,e))*Math.pow(10,e)},_configure:function(){var t=this,e=t.min,n=0;_n.prototype._configure.call(t),0===e&&(e=t._getFirstTickValue(t.minNotZero),n=In(t.options.ticks.fontSize,Y.global.defaultFontSize)/t._length),t._startValue=Ln(e),t._valueOffset=n,t._valueRange=(Ln(t.max)-Ln(e))/(1-n)},getPixelForValue:function(t){var e=this,n=0;return(t=+e.getRightValue(t))>e.min&&t>0&&(n=(Ln(t)-e._startValue)/e._valueRange+e._valueOffset),e.getPixelForDecimal(n)},getValueForPixel:function(t){var e=this,n=e.getDecimalForPixel(t);return 0===n&&0===e.min?0:Math.pow(10,e._startValue+(n-e._valueOffset)*e._valueRange)}}),Yn=Rn;Wn._defaults=Yn;var zn=B.valueOrDefault,En=B.valueAtIndexOrDefault,Vn=B.options.resolve,Hn={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,color:"rgba(0,0,0,0.1)",lineWidth:1,borderDash:[],borderDashOffset:0},gridLines:{circular:!1},ticks:{showLabelBackdrop:!0,backdropColor:"rgba(255,255,255,0.75)",backdropPaddingY:2,backdropPaddingX:2,callback:sn.formatters.linear},pointLabels:{display:!0,fontSize:10,callback:function(t){return t}}};function Bn(t){var e=t.ticks;return e.display&&t.display?zn(e.fontSize,Y.global.defaultFontSize)+2*e.backdropPaddingY:0}function jn(t,e,n,i,a){return t===i||t===a?{start:e-n/2,end:e+n/2}:t<i||t>a?{start:e-n,end:e}:{start:e,end:e+n}}function Un(t){return 0===t||180===t?"center":t<180?"left":"right"}function Gn(t,e,n,i){var a,r,o=n.y+i/2;if(B.isArray(e))for(a=0,r=e.length;a<r;++a)t.fillText(e[a],n.x,o),o+=i;else t.fillText(e,n.x,o)}function qn(t,e,n){90===t||270===t?n.y-=e.h/2:(t>270||t<90)&&(n.y-=e.h)}function Zn(t){return B.isNumber(t)?t:0}var $n=Cn.extend({setDimensions:function(){var t=this;t.width=t.maxWidth,t.height=t.maxHeight,t.paddingTop=Bn(t.options)/2,t.xCenter=Math.floor(t.width/2),t.yCenter=Math.floor((t.height-t.paddingTop)/2),t.drawingArea=Math.min(t.height-t.paddingTop,t.width)/2},determineDataLimits:function(){var t=this,e=t.chart,n=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;B.each(e.data.datasets,(function(a,r){if(e.isDatasetVisible(r)){var o=e.getDatasetMeta(r);B.each(a.data,(function(e,a){var r=+t.getRightValue(e);isNaN(r)||o.data[a].hidden||(n=Math.min(r,n),i=Math.max(r,i))}))}})),t.min=n===Number.POSITIVE_INFINITY?0:n,t.max=i===Number.NEGATIVE_INFINITY?0:i,t.handleTickRangeOptions()},_computeTickLimit:function(){return Math.ceil(this.drawingArea/Bn(this.options))},convertTicksToLabels:function(){var t=this;Cn.prototype.convertTicksToLabels.call(t),t.pointLabels=t.chart.data.labels.map((function(){var e=B.callback(t.options.pointLabels.callback,arguments,t);return e||0===e?e:""}))},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},fit:function(){var t=this.options;t.display&&t.pointLabels.display?function(t){var e,n,i,a=B.options._parseFont(t.options.pointLabels),r={l:0,r:t.width,t:0,b:t.height-t.paddingTop},o={};t.ctx.font=a.string,t._pointLabelSizes=[];var s,l,u,d=t.chart.data.labels.length;for(e=0;e<d;e++){i=t.getPointPosition(e,t.drawingArea+5),s=t.ctx,l=a.lineHeight,u=t.pointLabels[e],n=B.isArray(u)?{w:B.longestText(s,s.font,u),h:u.length*l}:{w:s.measureText(u).width,h:l},t._pointLabelSizes[e]=n;var h=t.getIndexAngle(e),c=B.toDegrees(h)%360,f=jn(c,i.x,n.w,0,180),g=jn(c,i.y,n.h,90,270);f.start<r.l&&(r.l=f.start,o.l=h),f.end>r.r&&(r.r=f.end,o.r=h),g.start<r.t&&(r.t=g.start,o.t=h),g.end>r.b&&(r.b=g.end,o.b=h)}t.setReductions(t.drawingArea,r,o)}(this):this.setCenterPoint(0,0,0,0)},setReductions:function(t,e,n){var i=this,a=e.l/Math.sin(n.l),r=Math.max(e.r-i.width,0)/Math.sin(n.r),o=-e.t/Math.cos(n.t),s=-Math.max(e.b-(i.height-i.paddingTop),0)/Math.cos(n.b);a=Zn(a),r=Zn(r),o=Zn(o),s=Zn(s),i.drawingArea=Math.min(Math.floor(t-(a+r)/2),Math.floor(t-(o+s)/2)),i.setCenterPoint(a,r,o,s)},setCenterPoint:function(t,e,n,i){var a=this,r=a.width-e-a.drawingArea,o=t+a.drawingArea,s=n+a.drawingArea,l=a.height-a.paddingTop-i-a.drawingArea;a.xCenter=Math.floor((o+r)/2+a.left),a.yCenter=Math.floor((s+l)/2+a.top+a.paddingTop)},getIndexAngle:function(t){var e=this.chart,n=(t*(360/e.data.labels.length)+((e.options||{}).startAngle||0))%360;return(n<0?n+360:n)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){var e=this;if(B.isNullOrUndef(t))return NaN;var n=e.drawingArea/(e.max-e.min);return e.options.ticks.reverse?(e.max-t)*n:(t-e.min)*n},getPointPosition:function(t,e){var n=this.getIndexAngle(t)-Math.PI/2;return{x:Math.cos(n)*e+this.xCenter,y:Math.sin(n)*e+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(t){var e=this.min,n=this.max;return this.getPointPositionForValue(t||0,this.beginAtZero?0:e<0&&n<0?n:e>0&&n>0?e:0)},_drawGrid:function(){var t,e,n,i=this,a=i.ctx,r=i.options,o=r.gridLines,s=r.angleLines,l=zn(s.lineWidth,o.lineWidth),u=zn(s.color,o.color);if(r.pointLabels.display&&function(t){var e=t.ctx,n=t.options,i=n.pointLabels,a=Bn(n),r=t.getDistanceFromCenterForValue(n.ticks.reverse?t.min:t.max),o=B.options._parseFont(i);e.save(),e.font=o.string,e.textBaseline="middle";for(var s=t.chart.data.labels.length-1;s>=0;s--){var l=0===s?a/2:0,u=t.getPointPosition(s,r+l+5),d=En(i.fontColor,s,Y.global.defaultFontColor);e.fillStyle=d;var h=t.getIndexAngle(s),c=B.toDegrees(h);e.textAlign=Un(c),qn(c,t._pointLabelSizes[s],u),Gn(e,t.pointLabels[s],u,o.lineHeight)}e.restore()}(i),o.display&&B.each(i.ticks,(function(t,n){0!==n&&(e=i.getDistanceFromCenterForValue(i.ticksAsNumbers[n]),function(t,e,n,i){var a,r=t.ctx,o=e.circular,s=t.chart.data.labels.length,l=En(e.color,i-1),u=En(e.lineWidth,i-1);if((o||s)&&l&&u){if(r.save(),r.strokeStyle=l,r.lineWidth=u,r.setLineDash&&(r.setLineDash(e.borderDash||[]),r.lineDashOffset=e.borderDashOffset||0),r.beginPath(),o)r.arc(t.xCenter,t.yCenter,n,0,2*Math.PI);else{a=t.getPointPosition(0,n),r.moveTo(a.x,a.y);for(var d=1;d<s;d++)a=t.getPointPosition(d,n),r.lineTo(a.x,a.y)}r.closePath(),r.stroke(),r.restore()}}(i,o,e,n))})),s.display&&l&&u){for(a.save(),a.lineWidth=l,a.strokeStyle=u,a.setLineDash&&(a.setLineDash(Vn([s.borderDash,o.borderDash,[]])),a.lineDashOffset=Vn([s.borderDashOffset,o.borderDashOffset,0])),t=i.chart.data.labels.length-1;t>=0;t--)e=i.getDistanceFromCenterForValue(r.ticks.reverse?i.min:i.max),n=i.getPointPosition(t,e),a.beginPath(),a.moveTo(i.xCenter,i.yCenter),a.lineTo(n.x,n.y),a.stroke();a.restore()}},_drawLabels:function(){var t=this,e=t.ctx,n=t.options.ticks;if(n.display){var i,a,r=t.getIndexAngle(0),o=B.options._parseFont(n),s=zn(n.fontColor,Y.global.defaultFontColor);e.save(),e.font=o.string,e.translate(t.xCenter,t.yCenter),e.rotate(r),e.textAlign="center",e.textBaseline="middle",B.each(t.ticks,(function(r,l){(0!==l||n.reverse)&&(i=t.getDistanceFromCenterForValue(t.ticksAsNumbers[l]),n.showLabelBackdrop&&(a=e.measureText(r).width,e.fillStyle=n.backdropColor,e.fillRect(-a/2-n.backdropPaddingX,-i-o.size/2-n.backdropPaddingY,a+2*n.backdropPaddingX,o.size+2*n.backdropPaddingY)),e.fillStyle=s,e.fillText(r,0,-i))})),e.restore()}},_drawTitle:B.noop}),Xn=Hn;$n._defaults=Xn;var Kn=B._deprecated,Jn=B.options.resolve,Qn=B.valueOrDefault,ti=Number.MIN_SAFE_INTEGER||-9007199254740991,ei=Number.MAX_SAFE_INTEGER||9007199254740991,ni={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},ii=Object.keys(ni);function ai(t,e){return t-e}function ri(t){return B.valueOrDefault(t.time.min,t.ticks.min)}function oi(t){return B.valueOrDefault(t.time.max,t.ticks.max)}function si(t,e,n,i){var a=function(t,e,n){for(var i,a,r,o=0,s=t.length-1;o>=0&&o<=s;){if(a=t[(i=o+s>>1)-1]||null,r=t[i],!a)return{lo:null,hi:r};if(r[e]<n)o=i+1;else{if(!(a[e]>n))return{lo:a,hi:r};s=i-1}}return{lo:r,hi:null}}(t,e,n),r=a.lo?a.hi?a.lo:t[t.length-2]:t[0],o=a.lo?a.hi?a.hi:t[t.length-1]:t[1],s=o[e]-r[e],l=s?(n-r[e])/s:0,u=(o[i]-r[i])*l;return r[i]+u}function li(t,e){var n=t._adapter,i=t.options.time,a=i.parser,r=a||i.format,o=e;return"function"==typeof a&&(o=a(o)),B.isFinite(o)||(o="string"==typeof r?n.parse(o,r):n.parse(o)),null!==o?+o:(a||"function"!=typeof r||(o=r(e),B.isFinite(o)||(o=n.parse(o))),o)}function ui(t,e){if(B.isNullOrUndef(e))return null;var n=t.options.time,i=li(t,t.getRightValue(e));return null===i?i:(n.round&&(i=+t._adapter.startOf(i,n.round)),i)}function di(t,e,n,i){var a,r,o,s=ii.length;for(a=ii.indexOf(t);a<s-1;++a)if(o=(r=ni[ii[a]]).steps?r.steps:ei,r.common&&Math.ceil((n-e)/(o*r.size))<=i)return ii[a];return ii[s-1]}function hi(t,e,n){var i,a,r=[],o={},s=e.length;for(i=0;i<s;++i)o[a=e[i]]=i,r.push({value:a,major:!1});return 0!==s&&n?function(t,e,n,i){var a,r,o=t._adapter,s=+o.startOf(e[0].value,i),l=e[e.length-1].value;for(a=s;a<=l;a=+o.add(a,1,i))(r=n[a])>=0&&(e[r].major=!0);return e}(t,r,o,n):r}var ci=_n.extend({initialize:function(){this.mergeTicksOptions(),_n.prototype.initialize.call(this)},update:function(){var t=this,e=t.options,n=e.time||(e.time={}),i=t._adapter=new on._date(e.adapters.date);return Kn("time scale",n.format,"time.format","time.parser"),Kn("time scale",n.min,"time.min","ticks.min"),Kn("time scale",n.max,"time.max","ticks.max"),B.mergeIf(n.displayFormats,i.formats()),_n.prototype.update.apply(t,arguments)},getRightValue:function(t){return t&&void 0!==t.t&&(t=t.t),_n.prototype.getRightValue.call(this,t)},determineDataLimits:function(){var t,e,n,i,a,r,o,s=this,l=s.chart,u=s._adapter,d=s.options,h=d.time.unit||"day",c=ei,f=ti,g=[],m=[],p=[],v=s._getLabels();for(t=0,n=v.length;t<n;++t)p.push(ui(s,v[t]));for(t=0,n=(l.data.datasets||[]).length;t<n;++t)if(l.isDatasetVisible(t))if(a=l.data.datasets[t].data,B.isObject(a[0]))for(m[t]=[],e=0,i=a.length;e<i;++e)r=ui(s,a[e]),g.push(r),m[t][e]=r;else m[t]=p.slice(0),o||(g=g.concat(p),o=!0);else m[t]=[];p.length&&(c=Math.min(c,p[0]),f=Math.max(f,p[p.length-1])),g.length&&(g=n>1?function(t){var e,n,i,a={},r=[];for(e=0,n=t.length;e<n;++e)a[i=t[e]]||(a[i]=!0,r.push(i));return r}(g).sort(ai):g.sort(ai),c=Math.min(c,g[0]),f=Math.max(f,g[g.length-1])),c=ui(s,ri(d))||c,f=ui(s,oi(d))||f,c=c===ei?+u.startOf(Date.now(),h):c,f=f===ti?+u.endOf(Date.now(),h)+1:f,s.min=Math.min(c,f),s.max=Math.max(c+1,f),s._table=[],s._timestamps={data:g,datasets:m,labels:p}},buildTicks:function(){var 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n=Math.floor(B.log10(t)),i=t/Math.pow(10,n);return(e?i<1.5?1:i<3?2:i<7?5:10:i<=1?1:i<=2?2:i<=5?5:10)*Math.pow(10,n)},B.requestAnimFrame="undefined"==typeof window?function(t){t()}:window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(t){return window.setTimeout(t,1e3/60)},B.getRelativePosition=function(t,e){var n,i,a=t.originalEvent||t,r=t.target||t.srcElement,o=r.getBoundingClientRect(),s=a.touches;s&&s.length>0?(n=s[0].clientX,i=s[0].clientY):(n=a.clientX,i=a.clientY);var l=parseFloat(B.getStyle(r,"padding-left")),u=parseFloat(B.getStyle(r,"padding-top")),d=parseFloat(B.getStyle(r,"padding-right")),h=parseFloat(B.getStyle(r,"padding-bottom")),c=o.right-o.left-l-d,f=o.bottom-o.top-u-h;return{x:n=Math.round((n-o.left-l)/c*r.width/e.currentDevicePixelRatio),y:i=Math.round((i-o.top-u)/f*r.height/e.currentDevicePixelRatio)}},B.getConstraintWidth=function(t){return n(t,"max-width","clientWidth")},B.getConstraintHeight=function(t){return n(t,"max-height","clientHeight")},B._calculatePadding=function(t,e,n){return(e=B.getStyle(t,e)).indexOf("%")>-1?n*parseInt(e,10)/100:parseInt(e,10)},B._getParentNode=function(t){var e=t.parentNode;return e&&"[object ShadowRoot]"===e.toString()&&(e=e.host),e},B.getMaximumWidth=function(t){var e=B._getParentNode(t);if(!e)return t.clientWidth;var n=e.clientWidth,i=n-B._calculatePadding(e,"padding-left",n)-B._calculatePadding(e,"padding-right",n),a=B.getConstraintWidth(t);return isNaN(a)?i:Math.min(i,a)},B.getMaximumHeight=function(t){var e=B._getParentNode(t);if(!e)return t.clientHeight;var n=e.clientHeight,i=n-B._calculatePadding(e,"padding-top",n)-B._calculatePadding(e,"padding-bottom",n),a=B.getConstraintHeight(t);return isNaN(a)?i:Math.min(i,a)},B.getStyle=function(t,e){return t.currentStyle?t.currentStyle[e]:document.defaultView.getComputedStyle(t,null).getPropertyValue(e)},B.retinaScale=function(t,e){var n=t.currentDevicePixelRatio=e||"undefined"!=typeof window&&window.devicePixelRatio||1;if(1!==n){var i=t.canvas,a=t.height,r=t.width;i.height=a*n,i.width=r*n,t.ctx.scale(n,n),i.style.height||i.style.width||(i.style.height=a+"px",i.style.width=r+"px")}},B.fontString=function(t,e,n){return e+" "+t+"px "+n},B.longestText=function(t,e,n,i){var a=(i=i||{}).data=i.data||{},r=i.garbageCollect=i.garbageCollect||[];i.font!==e&&(a=i.data={},r=i.garbageCollect=[],i.font=e),t.font=e;var o,s,l,u,d,h=0,c=n.length;for(o=0;o<c;o++)if(null!=(u=n[o])&&!0!==B.isArray(u))h=B.measureText(t,a,r,h,u);else if(B.isArray(u))for(s=0,l=u.length;s<l;s++)null==(d=u[s])||B.isArray(d)||(h=B.measureText(t,a,r,h,d));var f=r.length/2;if(f>n.length){for(o=0;o<f;o++)delete a[r[o]];r.splice(0,f)}return h},B.measureText=function(t,e,n,i,a){var r=e[a];return r||(r=e[a]=t.measureText(a).width,n.push(a)),r>i&&(i=r),i},B.numberOfLabelLines=function(t){var e=1;return B.each(t,(function(t){B.isArray(t)&&t.length>e&&(e=t.length)})),e},B.color=w?function(t){return t instanceof CanvasGradient&&(t=Y.global.defaultColor),w(t)}:function(t){return console.error("Color.js not found!"),t},B.getHoverColor=function(t){return t instanceof CanvasPattern||t instanceof CanvasGradient?t:B.color(t).saturate(.5).darken(.1).rgbString()}}(),nn._adapters=on,nn.Animation=J,nn.animationService=Q,nn.controllers=Qt,nn.DatasetController=at,nn.defaults=Y,nn.Element=X,nn.elements=kt,nn.Interaction=oe,nn.layouts=pe,nn.platform=Le,nn.plugins=Re,nn.Scale=_n,nn.scaleService=Ne,nn.Ticks=sn,nn.Tooltip=qe,nn.helpers.each(gi,(function(t,e){nn.scaleService.registerScaleType(e,t,t._defaults)})),Ni)Ni.hasOwnProperty(Ei)&&nn.plugins.register(Ni[Ei]);nn.platform.initialize();var Vi=nn;return"undefined"!=typeof window&&(window.Chart=nn),nn.Chart=nn,nn.Legend=Ni.legend._element,nn.Title=Ni.title._element,nn.pluginService=nn.plugins,nn.PluginBase=nn.Element.extend({}),nn.canvasHelpers=nn.helpers.canvas,nn.layoutService=nn.layouts,nn.LinearScaleBase=Cn,nn.helpers.each(["Bar","Bubble","Doughnut","Line","PolarArea","Radar","Scatter"],(function(t){nn[t]=function(e,n){return new nn(e,nn.helpers.merge(n||{},{type:t.charAt(0).toLowerCase()+t.slice(1)}))}})),Vi}));
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/Chart.css b/odex25_maintenance/maintenance_custom/static/src/js/Chart.css
new file mode 100644
index 000000000..5e749593e
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/Chart.css
@@ -0,0 +1,47 @@
+/*
+ * DOM element rendering detection
+ * https://davidwalsh.name/detect-node-insertion
+ */
+@keyframes chartjs-render-animation {
+	from { opacity: 0.99; }
+	to { opacity: 1; }
+}
+
+.chartjs-render-monitor {
+	animation: chartjs-render-animation 0.001s;
+}
+
+/*
+ * DOM element resizing detection
+ * https://github.com/marcj/css-element-queries
+ */
+.chartjs-size-monitor,
+.chartjs-size-monitor-expand,
+.chartjs-size-monitor-shrink {
+	position: absolute;
+	direction: ltr;
+	left: 0;
+	top: 0;
+	right: 0;
+	bottom: 0;
+	overflow: hidden;
+	pointer-events: none;
+	visibility: hidden;
+	z-index: -1;
+}
+
+.chartjs-size-monitor-expand > div {
+	position: absolute;
+	width: 1000000px;
+	height: 1000000px;
+	left: 0;
+	top: 0;
+}
+
+.chartjs-size-monitor-shrink > div {
+	position: absolute;
+	width: 200%;
+	height: 200%;
+	left: 0;
+	top: 0;
+}
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/Chart.js b/odex25_maintenance/maintenance_custom/static/src/js/Chart.js
new file mode 100644
index 000000000..7fbdb9ed5
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/Chart.js
@@ -0,0 +1,16172 @@
+/*!
+ * Chart.js v2.9.4
+ * https://www.chartjs.org
+ * (c) 2020 Chart.js Contributors
+ * Released under the MIT License
+ */
+ (function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(function() { try { return require('moment'); } catch(e) { } }()) :
+typeof define === 'function' && define.amd ? define(['require'], function(require) { return factory(function() { try { return require('moment'); } catch(e) { } }()); }) :
+(global = global || self, global.Chart = factory(global.moment));
+}(this, (function (moment) { 'use strict';
+
+moment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment;
+
+function createCommonjsModule(fn, module) {
+	return module = { exports: {} }, fn(module, module.exports), module.exports;
+}
+
+function getCjsExportFromNamespace (n) {
+	return n && n['default'] || n;
+}
+
+var colorName = {
+	"aliceblue": [240, 248, 255],
+	"antiquewhite": [250, 235, 215],
+	"aqua": [0, 255, 255],
+	"aquamarine": [127, 255, 212],
+	"azure": [240, 255, 255],
+	"beige": [245, 245, 220],
+	"bisque": [255, 228, 196],
+	"black": [0, 0, 0],
+	"blanchedalmond": [255, 235, 205],
+	"blue": [0, 0, 255],
+	"blueviolet": [138, 43, 226],
+	"brown": [165, 42, 42],
+	"burlywood": [222, 184, 135],
+	"cadetblue": [95, 158, 160],
+	"chartreuse": [127, 255, 0],
+	"chocolate": [210, 105, 30],
+	"coral": [255, 127, 80],
+	"cornflowerblue": [100, 149, 237],
+	"cornsilk": [255, 248, 220],
+	"crimson": [220, 20, 60],
+	"cyan": [0, 255, 255],
+	"darkblue": [0, 0, 139],
+	"darkcyan": [0, 139, 139],
+	"darkgoldenrod": [184, 134, 11],
+	"darkgray": [169, 169, 169],
+	"darkgreen": [0, 100, 0],
+	"darkgrey": [169, 169, 169],
+	"darkkhaki": [189, 183, 107],
+	"darkmagenta": [139, 0, 139],
+	"darkolivegreen": [85, 107, 47],
+	"darkorange": [255, 140, 0],
+	"darkorchid": [153, 50, 204],
+	"darkred": [139, 0, 0],
+	"darksalmon": [233, 150, 122],
+	"darkseagreen": [143, 188, 143],
+	"darkslateblue": [72, 61, 139],
+	"darkslategray": [47, 79, 79],
+	"darkslategrey": [47, 79, 79],
+	"darkturquoise": [0, 206, 209],
+	"darkviolet": [148, 0, 211],
+	"deeppink": [255, 20, 147],
+	"deepskyblue": [0, 191, 255],
+	"dimgray": [105, 105, 105],
+	"dimgrey": [105, 105, 105],
+	"dodgerblue": [30, 144, 255],
+	"firebrick": [178, 34, 34],
+	"floralwhite": [255, 250, 240],
+	"forestgreen": [34, 139, 34],
+	"fuchsia": [255, 0, 255],
+	"gainsboro": [220, 220, 220],
+	"ghostwhite": [248, 248, 255],
+	"gold": [255, 215, 0],
+	"goldenrod": [218, 165, 32],
+	"gray": [128, 128, 128],
+	"green": [0, 128, 0],
+	"greenyellow": [173, 255, 47],
+	"grey": [128, 128, 128],
+	"honeydew": [240, 255, 240],
+	"hotpink": [255, 105, 180],
+	"indianred": [205, 92, 92],
+	"indigo": [75, 0, 130],
+	"ivory": [255, 255, 240],
+	"khaki": [240, 230, 140],
+	"lavender": [230, 230, 250],
+	"lavenderblush": [255, 240, 245],
+	"lawngreen": [124, 252, 0],
+	"lemonchiffon": [255, 250, 205],
+	"lightblue": [173, 216, 230],
+	"lightcoral": [240, 128, 128],
+	"lightcyan": [224, 255, 255],
+	"lightgoldenrodyellow": [250, 250, 210],
+	"lightgray": [211, 211, 211],
+	"lightgreen": [144, 238, 144],
+	"lightgrey": [211, 211, 211],
+	"lightpink": [255, 182, 193],
+	"lightsalmon": [255, 160, 122],
+	"lightseagreen": [32, 178, 170],
+	"lightskyblue": [135, 206, 250],
+	"lightslategray": [119, 136, 153],
+	"lightslategrey": [119, 136, 153],
+	"lightsteelblue": [176, 196, 222],
+	"lightyellow": [255, 255, 224],
+	"lime": [0, 255, 0],
+	"limegreen": [50, 205, 50],
+	"linen": [250, 240, 230],
+	"magenta": [255, 0, 255],
+	"maroon": [128, 0, 0],
+	"mediumaquamarine": [102, 205, 170],
+	"mediumblue": [0, 0, 205],
+	"mediumorchid": [186, 85, 211],
+	"mediumpurple": [147, 112, 219],
+	"mediumseagreen": [60, 179, 113],
+	"mediumslateblue": [123, 104, 238],
+	"mediumspringgreen": [0, 250, 154],
+	"mediumturquoise": [72, 209, 204],
+	"mediumvioletred": [199, 21, 133],
+	"midnightblue": [25, 25, 112],
+	"mintcream": [245, 255, 250],
+	"mistyrose": [255, 228, 225],
+	"moccasin": [255, 228, 181],
+	"navajowhite": [255, 222, 173],
+	"navy": [0, 0, 128],
+	"oldlace": [253, 245, 230],
+	"olive": [128, 128, 0],
+	"olivedrab": [107, 142, 35],
+	"orange": [255, 165, 0],
+	"orangered": [255, 69, 0],
+	"orchid": [218, 112, 214],
+	"palegoldenrod": [238, 232, 170],
+	"palegreen": [152, 251, 152],
+	"paleturquoise": [175, 238, 238],
+	"palevioletred": [219, 112, 147],
+	"papayawhip": [255, 239, 213],
+	"peachpuff": [255, 218, 185],
+	"peru": [205, 133, 63],
+	"pink": [255, 192, 203],
+	"plum": [221, 160, 221],
+	"powderblue": [176, 224, 230],
+	"purple": [128, 0, 128],
+	"rebeccapurple": [102, 51, 153],
+	"red": [255, 0, 0],
+	"rosybrown": [188, 143, 143],
+	"royalblue": [65, 105, 225],
+	"saddlebrown": [139, 69, 19],
+	"salmon": [250, 128, 114],
+	"sandybrown": [244, 164, 96],
+	"seagreen": [46, 139, 87],
+	"seashell": [255, 245, 238],
+	"sienna": [160, 82, 45],
+	"silver": [192, 192, 192],
+	"skyblue": [135, 206, 235],
+	"slateblue": [106, 90, 205],
+	"slategray": [112, 128, 144],
+	"slategrey": [112, 128, 144],
+	"snow": [255, 250, 250],
+	"springgreen": [0, 255, 127],
+	"steelblue": [70, 130, 180],
+	"tan": [210, 180, 140],
+	"teal": [0, 128, 128],
+	"thistle": [216, 191, 216],
+	"tomato": [255, 99, 71],
+	"turquoise": [64, 224, 208],
+	"violet": [238, 130, 238],
+	"wheat": [245, 222, 179],
+	"white": [255, 255, 255],
+	"whitesmoke": [245, 245, 245],
+	"yellow": [255, 255, 0],
+	"yellowgreen": [154, 205, 50]
+};
+
+var conversions = createCommonjsModule(function (module) {
+/* MIT license */
+
+
+// NOTE: conversions should only return primitive values (i.e. arrays, or
+//       values that give correct `typeof` results).
+//       do not use box values types (i.e. Number(), String(), etc.)
+
+var reverseKeywords = {};
+for (var key in colorName) {
+	if (colorName.hasOwnProperty(key)) {
+		reverseKeywords[colorName[key]] = key;
+	}
+}
+
+var convert = module.exports = {
+	rgb: {channels: 3, labels: 'rgb'},
+	hsl: {channels: 3, labels: 'hsl'},
+	hsv: {channels: 3, labels: 'hsv'},
+	hwb: {channels: 3, labels: 'hwb'},
+	cmyk: {channels: 4, labels: 'cmyk'},
+	xyz: {channels: 3, labels: 'xyz'},
+	lab: {channels: 3, labels: 'lab'},
+	lch: {channels: 3, labels: 'lch'},
+	hex: {channels: 1, labels: ['hex']},
+	keyword: {channels: 1, labels: ['keyword']},
+	ansi16: {channels: 1, labels: ['ansi16']},
+	ansi256: {channels: 1, labels: ['ansi256']},
+	hcg: {channels: 3, labels: ['h', 'c', 'g']},
+	apple: {channels: 3, labels: ['r16', 'g16', 'b16']},
+	gray: {channels: 1, labels: ['gray']}
+};
+
+// hide .channels and .labels properties
+for (var model in convert) {
+	if (convert.hasOwnProperty(model)) {
+		if (!('channels' in convert[model])) {
+			throw new Error('missing channels property: ' + model);
+		}
+
+		if (!('labels' in convert[model])) {
+			throw new Error('missing channel labels property: ' + model);
+		}
+
+		if (convert[model].labels.length !== convert[model].channels) {
+			throw new Error('channel and label counts mismatch: ' + model);
+		}
+
+		var channels = convert[model].channels;
+		var labels = convert[model].labels;
+		delete convert[model].channels;
+		delete convert[model].labels;
+		Object.defineProperty(convert[model], 'channels', {value: channels});
+		Object.defineProperty(convert[model], 'labels', {value: labels});
+	}
+}
+
+convert.rgb.hsl = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var min = Math.min(r, g, b);
+	var max = Math.max(r, g, b);
+	var delta = max - min;
+	var h;
+	var s;
+	var l;
+
+	if (max === min) {
+		h = 0;
+	} else if (r === max) {
+		h = (g - b) / delta;
+	} else if (g === max) {
+		h = 2 + (b - r) / delta;
+	} else if (b === max) {
+		h = 4 + (r - g) / delta;
+	}
+
+	h = Math.min(h * 60, 360);
+
+	if (h < 0) {
+		h += 360;
+	}
+
+	l = (min + max) / 2;
+
+	if (max === min) {
+		s = 0;
+	} else if (l <= 0.5) {
+		s = delta / (max + min);
+	} else {
+		s = delta / (2 - max - min);
+	}
+
+	return [h, s * 100, l * 100];
+};
+
+convert.rgb.hsv = function (rgb) {
+	var rdif;
+	var gdif;
+	var bdif;
+	var h;
+	var s;
+
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var v = Math.max(r, g, b);
+	var diff = v - Math.min(r, g, b);
+	var diffc = function (c) {
+		return (v - c) / 6 / diff + 1 / 2;
+	};
+
+	if (diff === 0) {
+		h = s = 0;
+	} else {
+		s = diff / v;
+		rdif = diffc(r);
+		gdif = diffc(g);
+		bdif = diffc(b);
+
+		if (r === v) {
+			h = bdif - gdif;
+		} else if (g === v) {
+			h = (1 / 3) + rdif - bdif;
+		} else if (b === v) {
+			h = (2 / 3) + gdif - rdif;
+		}
+		if (h < 0) {
+			h += 1;
+		} else if (h > 1) {
+			h -= 1;
+		}
+	}
+
+	return [
+		h * 360,
+		s * 100,
+		v * 100
+	];
+};
+
+convert.rgb.hwb = function (rgb) {
+	var r = rgb[0];
+	var g = rgb[1];
+	var b = rgb[2];
+	var h = convert.rgb.hsl(rgb)[0];
+	var w = 1 / 255 * Math.min(r, Math.min(g, b));
+
+	b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
+
+	return [h, w * 100, b * 100];
+};
+
+convert.rgb.cmyk = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var c;
+	var m;
+	var y;
+	var k;
+
+	k = Math.min(1 - r, 1 - g, 1 - b);
+	c = (1 - r - k) / (1 - k) || 0;
+	m = (1 - g - k) / (1 - k) || 0;
+	y = (1 - b - k) / (1 - k) || 0;
+
+	return [c * 100, m * 100, y * 100, k * 100];
+};
+
+/**
+ * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance
+ * */
+function comparativeDistance(x, y) {
+	return (
+		Math.pow(x[0] - y[0], 2) +
+		Math.pow(x[1] - y[1], 2) +
+		Math.pow(x[2] - y[2], 2)
+	);
+}
+
+convert.rgb.keyword = function (rgb) {
+	var reversed = reverseKeywords[rgb];
+	if (reversed) {
+		return reversed;
+	}
+
+	var currentClosestDistance = Infinity;
+	var currentClosestKeyword;
+
+	for (var keyword in colorName) {
+		if (colorName.hasOwnProperty(keyword)) {
+			var value = colorName[keyword];
+
+			// Compute comparative distance
+			var distance = comparativeDistance(rgb, value);
+
+			// Check if its less, if so set as closest
+			if (distance < currentClosestDistance) {
+				currentClosestDistance = distance;
+				currentClosestKeyword = keyword;
+			}
+		}
+	}
+
+	return currentClosestKeyword;
+};
+
+convert.keyword.rgb = function (keyword) {
+	return colorName[keyword];
+};
+
+convert.rgb.xyz = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+
+	// assume sRGB
+	r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
+	g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
+	b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
+
+	var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
+	var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
+	var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
+
+	return [x * 100, y * 100, z * 100];
+};
+
+convert.rgb.lab = function (rgb) {
+	var xyz = convert.rgb.xyz(rgb);
+	var x = xyz[0];
+	var y = xyz[1];
+	var z = xyz[2];
+	var l;
+	var a;
+	var b;
+
+	x /= 95.047;
+	y /= 100;
+	z /= 108.883;
+
+	x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
+	y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
+	z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
+
+	l = (116 * y) - 16;
+	a = 500 * (x - y);
+	b = 200 * (y - z);
+
+	return [l, a, b];
+};
+
+convert.hsl.rgb = function (hsl) {
+	var h = hsl[0] / 360;
+	var s = hsl[1] / 100;
+	var l = hsl[2] / 100;
+	var t1;
+	var t2;
+	var t3;
+	var rgb;
+	var val;
+
+	if (s === 0) {
+		val = l * 255;
+		return [val, val, val];
+	}
+
+	if (l < 0.5) {
+		t2 = l * (1 + s);
+	} else {
+		t2 = l + s - l * s;
+	}
+
+	t1 = 2 * l - t2;
+
+	rgb = [0, 0, 0];
+	for (var i = 0; i < 3; i++) {
+		t3 = h + 1 / 3 * -(i - 1);
+		if (t3 < 0) {
+			t3++;
+		}
+		if (t3 > 1) {
+			t3--;
+		}
+
+		if (6 * t3 < 1) {
+			val = t1 + (t2 - t1) * 6 * t3;
+		} else if (2 * t3 < 1) {
+			val = t2;
+		} else if (3 * t3 < 2) {
+			val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
+		} else {
+			val = t1;
+		}
+
+		rgb[i] = val * 255;
+	}
+
+	return rgb;
+};
+
+convert.hsl.hsv = function (hsl) {
+	var h = hsl[0];
+	var s = hsl[1] / 100;
+	var l = hsl[2] / 100;
+	var smin = s;
+	var lmin = Math.max(l, 0.01);
+	var sv;
+	var v;
+
+	l *= 2;
+	s *= (l <= 1) ? l : 2 - l;
+	smin *= lmin <= 1 ? lmin : 2 - lmin;
+	v = (l + s) / 2;
+	sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);
+
+	return [h, sv * 100, v * 100];
+};
+
+convert.hsv.rgb = function (hsv) {
+	var h = hsv[0] / 60;
+	var s = hsv[1] / 100;
+	var v = hsv[2] / 100;
+	var hi = Math.floor(h) % 6;
+
+	var f = h - Math.floor(h);
+	var p = 255 * v * (1 - s);
+	var q = 255 * v * (1 - (s * f));
+	var t = 255 * v * (1 - (s * (1 - f)));
+	v *= 255;
+
+	switch (hi) {
+		case 0:
+			return [v, t, p];
+		case 1:
+			return [q, v, p];
+		case 2:
+			return [p, v, t];
+		case 3:
+			return [p, q, v];
+		case 4:
+			return [t, p, v];
+		case 5:
+			return [v, p, q];
+	}
+};
+
+convert.hsv.hsl = function (hsv) {
+	var h = hsv[0];
+	var s = hsv[1] / 100;
+	var v = hsv[2] / 100;
+	var vmin = Math.max(v, 0.01);
+	var lmin;
+	var sl;
+	var l;
+
+	l = (2 - s) * v;
+	lmin = (2 - s) * vmin;
+	sl = s * vmin;
+	sl /= (lmin <= 1) ? lmin : 2 - lmin;
+	sl = sl || 0;
+	l /= 2;
+
+	return [h, sl * 100, l * 100];
+};
+
+// http://dev.w3.org/csswg/css-color/#hwb-to-rgb
+convert.hwb.rgb = function (hwb) {
+	var h = hwb[0] / 360;
+	var wh = hwb[1] / 100;
+	var bl = hwb[2] / 100;
+	var ratio = wh + bl;
+	var i;
+	var v;
+	var f;
+	var n;
+
+	// wh + bl cant be > 1
+	if (ratio > 1) {
+		wh /= ratio;
+		bl /= ratio;
+	}
+
+	i = Math.floor(6 * h);
+	v = 1 - bl;
+	f = 6 * h - i;
+
+	if ((i & 0x01) !== 0) {
+		f = 1 - f;
+	}
+
+	n = wh + f * (v - wh); // linear interpolation
+
+	var r;
+	var g;
+	var b;
+	switch (i) {
+		default:
+		case 6:
+		case 0: r = v; g = n; b = wh; break;
+		case 1: r = n; g = v; b = wh; break;
+		case 2: r = wh; g = v; b = n; break;
+		case 3: r = wh; g = n; b = v; break;
+		case 4: r = n; g = wh; b = v; break;
+		case 5: r = v; g = wh; b = n; break;
+	}
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.cmyk.rgb = function (cmyk) {
+	var c = cmyk[0] / 100;
+	var m = cmyk[1] / 100;
+	var y = cmyk[2] / 100;
+	var k = cmyk[3] / 100;
+	var r;
+	var g;
+	var b;
+
+	r = 1 - Math.min(1, c * (1 - k) + k);
+	g = 1 - Math.min(1, m * (1 - k) + k);
+	b = 1 - Math.min(1, y * (1 - k) + k);
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.rgb = function (xyz) {
+	var x = xyz[0] / 100;
+	var y = xyz[1] / 100;
+	var z = xyz[2] / 100;
+	var r;
+	var g;
+	var b;
+
+	r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
+	g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
+	b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
+
+	// assume sRGB
+	r = r > 0.0031308
+		? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
+		: r * 12.92;
+
+	g = g > 0.0031308
+		? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
+		: g * 12.92;
+
+	b = b > 0.0031308
+		? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
+		: b * 12.92;
+
+	r = Math.min(Math.max(0, r), 1);
+	g = Math.min(Math.max(0, g), 1);
+	b = Math.min(Math.max(0, b), 1);
+
+	return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.lab = function (xyz) {
+	var x = xyz[0];
+	var y = xyz[1];
+	var z = xyz[2];
+	var l;
+	var a;
+	var b;
+
+	x /= 95.047;
+	y /= 100;
+	z /= 108.883;
+
+	x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
+	y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
+	z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
+
+	l = (116 * y) - 16;
+	a = 500 * (x - y);
+	b = 200 * (y - z);
+
+	return [l, a, b];
+};
+
+convert.lab.xyz = function (lab) {
+	var l = lab[0];
+	var a = lab[1];
+	var b = lab[2];
+	var x;
+	var y;
+	var z;
+
+	y = (l + 16) / 116;
+	x = a / 500 + y;
+	z = y - b / 200;
+
+	var y2 = Math.pow(y, 3);
+	var x2 = Math.pow(x, 3);
+	var z2 = Math.pow(z, 3);
+	y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;
+	x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;
+	z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;
+
+	x *= 95.047;
+	y *= 100;
+	z *= 108.883;
+
+	return [x, y, z];
+};
+
+convert.lab.lch = function (lab) {
+	var l = lab[0];
+	var a = lab[1];
+	var b = lab[2];
+	var hr;
+	var h;
+	var c;
+
+	hr = Math.atan2(b, a);
+	h = hr * 360 / 2 / Math.PI;
+
+	if (h < 0) {
+		h += 360;
+	}
+
+	c = Math.sqrt(a * a + b * b);
+
+	return [l, c, h];
+};
+
+convert.lch.lab = function (lch) {
+	var l = lch[0];
+	var c = lch[1];
+	var h = lch[2];
+	var a;
+	var b;
+	var hr;
+
+	hr = h / 360 * 2 * Math.PI;
+	a = c * Math.cos(hr);
+	b = c * Math.sin(hr);
+
+	return [l, a, b];
+};
+
+convert.rgb.ansi16 = function (args) {
+	var r = args[0];
+	var g = args[1];
+	var b = args[2];
+	var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization
+
+	value = Math.round(value / 50);
+
+	if (value === 0) {
+		return 30;
+	}
+
+	var ansi = 30
+		+ ((Math.round(b / 255) << 2)
+		| (Math.round(g / 255) << 1)
+		| Math.round(r / 255));
+
+	if (value === 2) {
+		ansi += 60;
+	}
+
+	return ansi;
+};
+
+convert.hsv.ansi16 = function (args) {
+	// optimization here; we already know the value and don't need to get
+	// it converted for us.
+	return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
+};
+
+convert.rgb.ansi256 = function (args) {
+	var r = args[0];
+	var g = args[1];
+	var b = args[2];
+
+	// we use the extended greyscale palette here, with the exception of
+	// black and white. normal palette only has 4 greyscale shades.
+	if (r === g && g === b) {
+		if (r < 8) {
+			return 16;
+		}
+
+		if (r > 248) {
+			return 231;
+		}
+
+		return Math.round(((r - 8) / 247) * 24) + 232;
+	}
+
+	var ansi = 16
+		+ (36 * Math.round(r / 255 * 5))
+		+ (6 * Math.round(g / 255 * 5))
+		+ Math.round(b / 255 * 5);
+
+	return ansi;
+};
+
+convert.ansi16.rgb = function (args) {
+	var color = args % 10;
+
+	// handle greyscale
+	if (color === 0 || color === 7) {
+		if (args > 50) {
+			color += 3.5;
+		}
+
+		color = color / 10.5 * 255;
+
+		return [color, color, color];
+	}
+
+	var mult = (~~(args > 50) + 1) * 0.5;
+	var r = ((color & 1) * mult) * 255;
+	var g = (((color >> 1) & 1) * mult) * 255;
+	var b = (((color >> 2) & 1) * mult) * 255;
+
+	return [r, g, b];
+};
+
+convert.ansi256.rgb = function (args) {
+	// handle greyscale
+	if (args >= 232) {
+		var c = (args - 232) * 10 + 8;
+		return [c, c, c];
+	}
+
+	args -= 16;
+
+	var rem;
+	var r = Math.floor(args / 36) / 5 * 255;
+	var g = Math.floor((rem = args % 36) / 6) / 5 * 255;
+	var b = (rem % 6) / 5 * 255;
+
+	return [r, g, b];
+};
+
+convert.rgb.hex = function (args) {
+	var integer = ((Math.round(args[0]) & 0xFF) << 16)
+		+ ((Math.round(args[1]) & 0xFF) << 8)
+		+ (Math.round(args[2]) & 0xFF);
+
+	var string = integer.toString(16).toUpperCase();
+	return '000000'.substring(string.length) + string;
+};
+
+convert.hex.rgb = function (args) {
+	var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
+	if (!match) {
+		return [0, 0, 0];
+	}
+
+	var colorString = match[0];
+
+	if (match[0].length === 3) {
+		colorString = colorString.split('').map(function (char) {
+			return char + char;
+		}).join('');
+	}
+
+	var integer = parseInt(colorString, 16);
+	var r = (integer >> 16) & 0xFF;
+	var g = (integer >> 8) & 0xFF;
+	var b = integer & 0xFF;
+
+	return [r, g, b];
+};
+
+convert.rgb.hcg = function (rgb) {
+	var r = rgb[0] / 255;
+	var g = rgb[1] / 255;
+	var b = rgb[2] / 255;
+	var max = Math.max(Math.max(r, g), b);
+	var min = Math.min(Math.min(r, g), b);
+	var chroma = (max - min);
+	var grayscale;
+	var hue;
+
+	if (chroma < 1) {
+		grayscale = min / (1 - chroma);
+	} else {
+		grayscale = 0;
+	}
+
+	if (chroma <= 0) {
+		hue = 0;
+	} else
+	if (max === r) {
+		hue = ((g - b) / chroma) % 6;
+	} else
+	if (max === g) {
+		hue = 2 + (b - r) / chroma;
+	} else {
+		hue = 4 + (r - g) / chroma + 4;
+	}
+
+	hue /= 6;
+	hue %= 1;
+
+	return [hue * 360, chroma * 100, grayscale * 100];
+};
+
+convert.hsl.hcg = function (hsl) {
+	var s = hsl[1] / 100;
+	var l = hsl[2] / 100;
+	var c = 1;
+	var f = 0;
+
+	if (l < 0.5) {
+		c = 2.0 * s * l;
+	} else {
+		c = 2.0 * s * (1.0 - l);
+	}
+
+	if (c < 1.0) {
+		f = (l - 0.5 * c) / (1.0 - c);
+	}
+
+	return [hsl[0], c * 100, f * 100];
+};
+
+convert.hsv.hcg = function (hsv) {
+	var s = hsv[1] / 100;
+	var v = hsv[2] / 100;
+
+	var c = s * v;
+	var f = 0;
+
+	if (c < 1.0) {
+		f = (v - c) / (1 - c);
+	}
+
+	return [hsv[0], c * 100, f * 100];
+};
+
+convert.hcg.rgb = function (hcg) {
+	var h = hcg[0] / 360;
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+
+	if (c === 0.0) {
+		return [g * 255, g * 255, g * 255];
+	}
+
+	var pure = [0, 0, 0];
+	var hi = (h % 1) * 6;
+	var v = hi % 1;
+	var w = 1 - v;
+	var mg = 0;
+
+	switch (Math.floor(hi)) {
+		case 0:
+			pure[0] = 1; pure[1] = v; pure[2] = 0; break;
+		case 1:
+			pure[0] = w; pure[1] = 1; pure[2] = 0; break;
+		case 2:
+			pure[0] = 0; pure[1] = 1; pure[2] = v; break;
+		case 3:
+			pure[0] = 0; pure[1] = w; pure[2] = 1; break;
+		case 4:
+			pure[0] = v; pure[1] = 0; pure[2] = 1; break;
+		default:
+			pure[0] = 1; pure[1] = 0; pure[2] = w;
+	}
+
+	mg = (1.0 - c) * g;
+
+	return [
+		(c * pure[0] + mg) * 255,
+		(c * pure[1] + mg) * 255,
+		(c * pure[2] + mg) * 255
+	];
+};
+
+convert.hcg.hsv = function (hcg) {
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+
+	var v = c + g * (1.0 - c);
+	var f = 0;
+
+	if (v > 0.0) {
+		f = c / v;
+	}
+
+	return [hcg[0], f * 100, v * 100];
+};
+
+convert.hcg.hsl = function (hcg) {
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+
+	var l = g * (1.0 - c) + 0.5 * c;
+	var s = 0;
+
+	if (l > 0.0 && l < 0.5) {
+		s = c / (2 * l);
+	} else
+	if (l >= 0.5 && l < 1.0) {
+		s = c / (2 * (1 - l));
+	}
+
+	return [hcg[0], s * 100, l * 100];
+};
+
+convert.hcg.hwb = function (hcg) {
+	var c = hcg[1] / 100;
+	var g = hcg[2] / 100;
+	var v = c + g * (1.0 - c);
+	return [hcg[0], (v - c) * 100, (1 - v) * 100];
+};
+
+convert.hwb.hcg = function (hwb) {
+	var w = hwb[1] / 100;
+	var b = hwb[2] / 100;
+	var v = 1 - b;
+	var c = v - w;
+	var g = 0;
+
+	if (c < 1) {
+		g = (v - c) / (1 - c);
+	}
+
+	return [hwb[0], c * 100, g * 100];
+};
+
+convert.apple.rgb = function (apple) {
+	return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];
+};
+
+convert.rgb.apple = function (rgb) {
+	return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];
+};
+
+convert.gray.rgb = function (args) {
+	return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
+};
+
+convert.gray.hsl = convert.gray.hsv = function (args) {
+	return [0, 0, args[0]];
+};
+
+convert.gray.hwb = function (gray) {
+	return [0, 100, gray[0]];
+};
+
+convert.gray.cmyk = function (gray) {
+	return [0, 0, 0, gray[0]];
+};
+
+convert.gray.lab = function (gray) {
+	return [gray[0], 0, 0];
+};
+
+convert.gray.hex = function (gray) {
+	var val = Math.round(gray[0] / 100 * 255) & 0xFF;
+	var integer = (val << 16) + (val << 8) + val;
+
+	var string = integer.toString(16).toUpperCase();
+	return '000000'.substring(string.length) + string;
+};
+
+convert.rgb.gray = function (rgb) {
+	var val = (rgb[0] + rgb[1] + rgb[2]) / 3;
+	return [val / 255 * 100];
+};
+});
+var conversions_1 = conversions.rgb;
+var conversions_2 = conversions.hsl;
+var conversions_3 = conversions.hsv;
+var conversions_4 = conversions.hwb;
+var conversions_5 = conversions.cmyk;
+var conversions_6 = conversions.xyz;
+var conversions_7 = conversions.lab;
+var conversions_8 = conversions.lch;
+var conversions_9 = conversions.hex;
+var conversions_10 = conversions.keyword;
+var conversions_11 = conversions.ansi16;
+var conversions_12 = conversions.ansi256;
+var conversions_13 = conversions.hcg;
+var conversions_14 = conversions.apple;
+var conversions_15 = conversions.gray;
+
+/*
+	this function routes a model to all other models.
+
+	all functions that are routed have a property `.conversion` attached
+	to the returned synthetic function. This property is an array
+	of strings, each with the steps in between the 'from' and 'to'
+	color models (inclusive).
+
+	conversions that are not possible simply are not included.
+*/
+
+function buildGraph() {
+	var graph = {};
+	// https://jsperf.com/object-keys-vs-for-in-with-closure/3
+	var models = Object.keys(conversions);
+
+	for (var len = models.length, i = 0; i < len; i++) {
+		graph[models[i]] = {
+			// http://jsperf.com/1-vs-infinity
+			// micro-opt, but this is simple.
+			distance: -1,
+			parent: null
+		};
+	}
+
+	return graph;
+}
+
+// https://en.wikipedia.org/wiki/Breadth-first_search
+function deriveBFS(fromModel) {
+	var graph = buildGraph();
+	var queue = [fromModel]; // unshift -> queue -> pop
+
+	graph[fromModel].distance = 0;
+
+	while (queue.length) {
+		var current = queue.pop();
+		var adjacents = Object.keys(conversions[current]);
+
+		for (var len = adjacents.length, i = 0; i < len; i++) {
+			var adjacent = adjacents[i];
+			var node = graph[adjacent];
+
+			if (node.distance === -1) {
+				node.distance = graph[current].distance + 1;
+				node.parent = current;
+				queue.unshift(adjacent);
+			}
+		}
+	}
+
+	return graph;
+}
+
+function link(from, to) {
+	return function (args) {
+		return to(from(args));
+	};
+}
+
+function wrapConversion(toModel, graph) {
+	var path = [graph[toModel].parent, toModel];
+	var fn = conversions[graph[toModel].parent][toModel];
+
+	var cur = graph[toModel].parent;
+	while (graph[cur].parent) {
+		path.unshift(graph[cur].parent);
+		fn = link(conversions[graph[cur].parent][cur], fn);
+		cur = graph[cur].parent;
+	}
+
+	fn.conversion = path;
+	return fn;
+}
+
+var route = function (fromModel) {
+	var graph = deriveBFS(fromModel);
+	var conversion = {};
+
+	var models = Object.keys(graph);
+	for (var len = models.length, i = 0; i < len; i++) {
+		var toModel = models[i];
+		var node = graph[toModel];
+
+		if (node.parent === null) {
+			// no possible conversion, or this node is the source model.
+			continue;
+		}
+
+		conversion[toModel] = wrapConversion(toModel, graph);
+	}
+
+	return conversion;
+};
+
+var convert = {};
+
+var models = Object.keys(conversions);
+
+function wrapRaw(fn) {
+	var wrappedFn = function (args) {
+		if (args === undefined || args === null) {
+			return args;
+		}
+
+		if (arguments.length > 1) {
+			args = Array.prototype.slice.call(arguments);
+		}
+
+		return fn(args);
+	};
+
+	// preserve .conversion property if there is one
+	if ('conversion' in fn) {
+		wrappedFn.conversion = fn.conversion;
+	}
+
+	return wrappedFn;
+}
+
+function wrapRounded(fn) {
+	var wrappedFn = function (args) {
+		if (args === undefined || args === null) {
+			return args;
+		}
+
+		if (arguments.length > 1) {
+			args = Array.prototype.slice.call(arguments);
+		}
+
+		var result = fn(args);
+
+		// we're assuming the result is an array here.
+		// see notice in conversions.js; don't use box types
+		// in conversion functions.
+		if (typeof result === 'object') {
+			for (var len = result.length, i = 0; i < len; i++) {
+				result[i] = Math.round(result[i]);
+			}
+		}
+
+		return result;
+	};
+
+	// preserve .conversion property if there is one
+	if ('conversion' in fn) {
+		wrappedFn.conversion = fn.conversion;
+	}
+
+	return wrappedFn;
+}
+
+models.forEach(function (fromModel) {
+	convert[fromModel] = {};
+
+	Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
+	Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
+
+	var routes = route(fromModel);
+	var routeModels = Object.keys(routes);
+
+	routeModels.forEach(function (toModel) {
+		var fn = routes[toModel];
+
+		convert[fromModel][toModel] = wrapRounded(fn);
+		convert[fromModel][toModel].raw = wrapRaw(fn);
+	});
+});
+
+var colorConvert = convert;
+
+var colorName$1 = {
+	"aliceblue": [240, 248, 255],
+	"antiquewhite": [250, 235, 215],
+	"aqua": [0, 255, 255],
+	"aquamarine": [127, 255, 212],
+	"azure": [240, 255, 255],
+	"beige": [245, 245, 220],
+	"bisque": [255, 228, 196],
+	"black": [0, 0, 0],
+	"blanchedalmond": [255, 235, 205],
+	"blue": [0, 0, 255],
+	"blueviolet": [138, 43, 226],
+	"brown": [165, 42, 42],
+	"burlywood": [222, 184, 135],
+	"cadetblue": [95, 158, 160],
+	"chartreuse": [127, 255, 0],
+	"chocolate": [210, 105, 30],
+	"coral": [255, 127, 80],
+	"cornflowerblue": [100, 149, 237],
+	"cornsilk": [255, 248, 220],
+	"crimson": [220, 20, 60],
+	"cyan": [0, 255, 255],
+	"darkblue": [0, 0, 139],
+	"darkcyan": [0, 139, 139],
+	"darkgoldenrod": [184, 134, 11],
+	"darkgray": [169, 169, 169],
+	"darkgreen": [0, 100, 0],
+	"darkgrey": [169, 169, 169],
+	"darkkhaki": [189, 183, 107],
+	"darkmagenta": [139, 0, 139],
+	"darkolivegreen": [85, 107, 47],
+	"darkorange": [255, 140, 0],
+	"darkorchid": [153, 50, 204],
+	"darkred": [139, 0, 0],
+	"darksalmon": [233, 150, 122],
+	"darkseagreen": [143, 188, 143],
+	"darkslateblue": [72, 61, 139],
+	"darkslategray": [47, 79, 79],
+	"darkslategrey": [47, 79, 79],
+	"darkturquoise": [0, 206, 209],
+	"darkviolet": [148, 0, 211],
+	"deeppink": [255, 20, 147],
+	"deepskyblue": [0, 191, 255],
+	"dimgray": [105, 105, 105],
+	"dimgrey": [105, 105, 105],
+	"dodgerblue": [30, 144, 255],
+	"firebrick": [178, 34, 34],
+	"floralwhite": [255, 250, 240],
+	"forestgreen": [34, 139, 34],
+	"fuchsia": [255, 0, 255],
+	"gainsboro": [220, 220, 220],
+	"ghostwhite": [248, 248, 255],
+	"gold": [255, 215, 0],
+	"goldenrod": [218, 165, 32],
+	"gray": [128, 128, 128],
+	"green": [0, 128, 0],
+	"greenyellow": [173, 255, 47],
+	"grey": [128, 128, 128],
+	"honeydew": [240, 255, 240],
+	"hotpink": [255, 105, 180],
+	"indianred": [205, 92, 92],
+	"indigo": [75, 0, 130],
+	"ivory": [255, 255, 240],
+	"khaki": [240, 230, 140],
+	"lavender": [230, 230, 250],
+	"lavenderblush": [255, 240, 245],
+	"lawngreen": [124, 252, 0],
+	"lemonchiffon": [255, 250, 205],
+	"lightblue": [173, 216, 230],
+	"lightcoral": [240, 128, 128],
+	"lightcyan": [224, 255, 255],
+	"lightgoldenrodyellow": [250, 250, 210],
+	"lightgray": [211, 211, 211],
+	"lightgreen": [144, 238, 144],
+	"lightgrey": [211, 211, 211],
+	"lightpink": [255, 182, 193],
+	"lightsalmon": [255, 160, 122],
+	"lightseagreen": [32, 178, 170],
+	"lightskyblue": [135, 206, 250],
+	"lightslategray": [119, 136, 153],
+	"lightslategrey": [119, 136, 153],
+	"lightsteelblue": [176, 196, 222],
+	"lightyellow": [255, 255, 224],
+	"lime": [0, 255, 0],
+	"limegreen": [50, 205, 50],
+	"linen": [250, 240, 230],
+	"magenta": [255, 0, 255],
+	"maroon": [128, 0, 0],
+	"mediumaquamarine": [102, 205, 170],
+	"mediumblue": [0, 0, 205],
+	"mediumorchid": [186, 85, 211],
+	"mediumpurple": [147, 112, 219],
+	"mediumseagreen": [60, 179, 113],
+	"mediumslateblue": [123, 104, 238],
+	"mediumspringgreen": [0, 250, 154],
+	"mediumturquoise": [72, 209, 204],
+	"mediumvioletred": [199, 21, 133],
+	"midnightblue": [25, 25, 112],
+	"mintcream": [245, 255, 250],
+	"mistyrose": [255, 228, 225],
+	"moccasin": [255, 228, 181],
+	"navajowhite": [255, 222, 173],
+	"navy": [0, 0, 128],
+	"oldlace": [253, 245, 230],
+	"olive": [128, 128, 0],
+	"olivedrab": [107, 142, 35],
+	"orange": [255, 165, 0],
+	"orangered": [255, 69, 0],
+	"orchid": [218, 112, 214],
+	"palegoldenrod": [238, 232, 170],
+	"palegreen": [152, 251, 152],
+	"paleturquoise": [175, 238, 238],
+	"palevioletred": [219, 112, 147],
+	"papayawhip": [255, 239, 213],
+	"peachpuff": [255, 218, 185],
+	"peru": [205, 133, 63],
+	"pink": [255, 192, 203],
+	"plum": [221, 160, 221],
+	"powderblue": [176, 224, 230],
+	"purple": [128, 0, 128],
+	"rebeccapurple": [102, 51, 153],
+	"red": [255, 0, 0],
+	"rosybrown": [188, 143, 143],
+	"royalblue": [65, 105, 225],
+	"saddlebrown": [139, 69, 19],
+	"salmon": [250, 128, 114],
+	"sandybrown": [244, 164, 96],
+	"seagreen": [46, 139, 87],
+	"seashell": [255, 245, 238],
+	"sienna": [160, 82, 45],
+	"silver": [192, 192, 192],
+	"skyblue": [135, 206, 235],
+	"slateblue": [106, 90, 205],
+	"slategray": [112, 128, 144],
+	"slategrey": [112, 128, 144],
+	"snow": [255, 250, 250],
+	"springgreen": [0, 255, 127],
+	"steelblue": [70, 130, 180],
+	"tan": [210, 180, 140],
+	"teal": [0, 128, 128],
+	"thistle": [216, 191, 216],
+	"tomato": [255, 99, 71],
+	"turquoise": [64, 224, 208],
+	"violet": [238, 130, 238],
+	"wheat": [245, 222, 179],
+	"white": [255, 255, 255],
+	"whitesmoke": [245, 245, 245],
+	"yellow": [255, 255, 0],
+	"yellowgreen": [154, 205, 50]
+};
+
+/* MIT license */
+
+
+var colorString = {
+   getRgba: getRgba,
+   getHsla: getHsla,
+   getRgb: getRgb,
+   getHsl: getHsl,
+   getHwb: getHwb,
+   getAlpha: getAlpha,
+
+   hexString: hexString,
+   rgbString: rgbString,
+   rgbaString: rgbaString,
+   percentString: percentString,
+   percentaString: percentaString,
+   hslString: hslString,
+   hslaString: hslaString,
+   hwbString: hwbString,
+   keyword: keyword
+};
+
+function getRgba(string) {
+   if (!string) {
+      return;
+   }
+   var abbr =  /^#([a-fA-F0-9]{3,4})$/i,
+       hex =  /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i,
+       rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
+       per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
+       keyword = /(\w+)/;
+
+   var rgb = [0, 0, 0],
+       a = 1,
+       match = string.match(abbr),
+       hexAlpha = "";
+   if (match) {
+      match = match[1];
+      hexAlpha = match[3];
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = parseInt(match[i] + match[i], 16);
+      }
+      if (hexAlpha) {
+         a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100;
+      }
+   }
+   else if (match = string.match(hex)) {
+      hexAlpha = match[2];
+      match = match[1];
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);
+      }
+      if (hexAlpha) {
+         a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100;
+      }
+   }
+   else if (match = string.match(rgba)) {
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = parseInt(match[i + 1]);
+      }
+      a = parseFloat(match[4]);
+   }
+   else if (match = string.match(per)) {
+      for (var i = 0; i < rgb.length; i++) {
+         rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);
+      }
+      a = parseFloat(match[4]);
+   }
+   else if (match = string.match(keyword)) {
+      if (match[1] == "transparent") {
+         return [0, 0, 0, 0];
+      }
+      rgb = colorName$1[match[1]];
+      if (!rgb) {
+         return;
+      }
+   }
+
+   for (var i = 0; i < rgb.length; i++) {
+      rgb[i] = scale(rgb[i], 0, 255);
+   }
+   if (!a && a != 0) {
+      a = 1;
+   }
+   else {
+      a = scale(a, 0, 1);
+   }
+   rgb[3] = a;
+   return rgb;
+}
+
+function getHsla(string) {
+   if (!string) {
+      return;
+   }
+   var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
+   var match = string.match(hsl);
+   if (match) {
+      var alpha = parseFloat(match[4]);
+      var h = scale(parseInt(match[1]), 0, 360),
+          s = scale(parseFloat(match[2]), 0, 100),
+          l = scale(parseFloat(match[3]), 0, 100),
+          a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
+      return [h, s, l, a];
+   }
+}
+
+function getHwb(string) {
+   if (!string) {
+      return;
+   }
+   var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
+   var match = string.match(hwb);
+   if (match) {
+    var alpha = parseFloat(match[4]);
+      var h = scale(parseInt(match[1]), 0, 360),
+          w = scale(parseFloat(match[2]), 0, 100),
+          b = scale(parseFloat(match[3]), 0, 100),
+          a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
+      return [h, w, b, a];
+   }
+}
+
+function getRgb(string) {
+   var rgba = getRgba(string);
+   return rgba && rgba.slice(0, 3);
+}
+
+function getHsl(string) {
+  var hsla = getHsla(string);
+  return hsla && hsla.slice(0, 3);
+}
+
+function getAlpha(string) {
+   var vals = getRgba(string);
+   if (vals) {
+      return vals[3];
+   }
+   else if (vals = getHsla(string)) {
+      return vals[3];
+   }
+   else if (vals = getHwb(string)) {
+      return vals[3];
+   }
+}
+
+// generators
+function hexString(rgba, a) {
+   var a = (a !== undefined && rgba.length === 3) ? a : rgba[3];
+   return "#" + hexDouble(rgba[0]) 
+              + hexDouble(rgba[1])
+              + hexDouble(rgba[2])
+              + (
+                 (a >= 0 && a < 1)
+                 ? hexDouble(Math.round(a * 255))
+                 : ""
+              );
+}
+
+function rgbString(rgba, alpha) {
+   if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
+      return rgbaString(rgba, alpha);
+   }
+   return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")";
+}
+
+function rgbaString(rgba, alpha) {
+   if (alpha === undefined) {
+      alpha = (rgba[3] !== undefined ? rgba[3] : 1);
+   }
+   return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2]
+           + ", " + alpha + ")";
+}
+
+function percentString(rgba, alpha) {
+   if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
+      return percentaString(rgba, alpha);
+   }
+   var r = Math.round(rgba[0]/255 * 100),
+       g = Math.round(rgba[1]/255 * 100),
+       b = Math.round(rgba[2]/255 * 100);
+
+   return "rgb(" + r + "%, " + g + "%, " + b + "%)";
+}
+
+function percentaString(rgba, alpha) {
+   var r = Math.round(rgba[0]/255 * 100),
+       g = Math.round(rgba[1]/255 * 100),
+       b = Math.round(rgba[2]/255 * 100);
+   return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")";
+}
+
+function hslString(hsla, alpha) {
+   if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {
+      return hslaString(hsla, alpha);
+   }
+   return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)";
+}
+
+function hslaString(hsla, alpha) {
+   if (alpha === undefined) {
+      alpha = (hsla[3] !== undefined ? hsla[3] : 1);
+   }
+   return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, "
+           + alpha + ")";
+}
+
+// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax
+// (hwb have alpha optional & 1 is default value)
+function hwbString(hwb, alpha) {
+   if (alpha === undefined) {
+      alpha = (hwb[3] !== undefined ? hwb[3] : 1);
+   }
+   return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%"
+           + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")";
+}
+
+function keyword(rgb) {
+  return reverseNames[rgb.slice(0, 3)];
+}
+
+// helpers
+function scale(num, min, max) {
+   return Math.min(Math.max(min, num), max);
+}
+
+function hexDouble(num) {
+  var str = num.toString(16).toUpperCase();
+  return (str.length < 2) ? "0" + str : str;
+}
+
+
+//create a list of reverse color names
+var reverseNames = {};
+for (var name in colorName$1) {
+   reverseNames[colorName$1[name]] = name;
+}
+
+/* MIT license */
+
+
+
+var Color = function (obj) {
+	if (obj instanceof Color) {
+		return obj;
+	}
+	if (!(this instanceof Color)) {
+		return new Color(obj);
+	}
+
+	this.valid = false;
+	this.values = {
+		rgb: [0, 0, 0],
+		hsl: [0, 0, 0],
+		hsv: [0, 0, 0],
+		hwb: [0, 0, 0],
+		cmyk: [0, 0, 0, 0],
+		alpha: 1
+	};
+
+	// parse Color() argument
+	var vals;
+	if (typeof obj === 'string') {
+		vals = colorString.getRgba(obj);
+		if (vals) {
+			this.setValues('rgb', vals);
+		} else if (vals = colorString.getHsla(obj)) {
+			this.setValues('hsl', vals);
+		} else if (vals = colorString.getHwb(obj)) {
+			this.setValues('hwb', vals);
+		}
+	} else if (typeof obj === 'object') {
+		vals = obj;
+		if (vals.r !== undefined || vals.red !== undefined) {
+			this.setValues('rgb', vals);
+		} else if (vals.l !== undefined || vals.lightness !== undefined) {
+			this.setValues('hsl', vals);
+		} else if (vals.v !== undefined || vals.value !== undefined) {
+			this.setValues('hsv', vals);
+		} else if (vals.w !== undefined || vals.whiteness !== undefined) {
+			this.setValues('hwb', vals);
+		} else if (vals.c !== undefined || vals.cyan !== undefined) {
+			this.setValues('cmyk', vals);
+		}
+	}
+};
+
+Color.prototype = {
+	isValid: function () {
+		return this.valid;
+	},
+	rgb: function () {
+		return this.setSpace('rgb', arguments);
+	},
+	hsl: function () {
+		return this.setSpace('hsl', arguments);
+	},
+	hsv: function () {
+		return this.setSpace('hsv', arguments);
+	},
+	hwb: function () {
+		return this.setSpace('hwb', arguments);
+	},
+	cmyk: function () {
+		return this.setSpace('cmyk', arguments);
+	},
+
+	rgbArray: function () {
+		return this.values.rgb;
+	},
+	hslArray: function () {
+		return this.values.hsl;
+	},
+	hsvArray: function () {
+		return this.values.hsv;
+	},
+	hwbArray: function () {
+		var values = this.values;
+		if (values.alpha !== 1) {
+			return values.hwb.concat([values.alpha]);
+		}
+		return values.hwb;
+	},
+	cmykArray: function () {
+		return this.values.cmyk;
+	},
+	rgbaArray: function () {
+		var values = this.values;
+		return values.rgb.concat([values.alpha]);
+	},
+	hslaArray: function () {
+		var values = this.values;
+		return values.hsl.concat([values.alpha]);
+	},
+	alpha: function (val) {
+		if (val === undefined) {
+			return this.values.alpha;
+		}
+		this.setValues('alpha', val);
+		return this;
+	},
+
+	red: function (val) {
+		return this.setChannel('rgb', 0, val);
+	},
+	green: function (val) {
+		return this.setChannel('rgb', 1, val);
+	},
+	blue: function (val) {
+		return this.setChannel('rgb', 2, val);
+	},
+	hue: function (val) {
+		if (val) {
+			val %= 360;
+			val = val < 0 ? 360 + val : val;
+		}
+		return this.setChannel('hsl', 0, val);
+	},
+	saturation: function (val) {
+		return this.setChannel('hsl', 1, val);
+	},
+	lightness: function (val) {
+		return this.setChannel('hsl', 2, val);
+	},
+	saturationv: function (val) {
+		return this.setChannel('hsv', 1, val);
+	},
+	whiteness: function (val) {
+		return this.setChannel('hwb', 1, val);
+	},
+	blackness: function (val) {
+		return this.setChannel('hwb', 2, val);
+	},
+	value: function (val) {
+		return this.setChannel('hsv', 2, val);
+	},
+	cyan: function (val) {
+		return this.setChannel('cmyk', 0, val);
+	},
+	magenta: function (val) {
+		return this.setChannel('cmyk', 1, val);
+	},
+	yellow: function (val) {
+		return this.setChannel('cmyk', 2, val);
+	},
+	black: function (val) {
+		return this.setChannel('cmyk', 3, val);
+	},
+
+	hexString: function () {
+		return colorString.hexString(this.values.rgb);
+	},
+	rgbString: function () {
+		return colorString.rgbString(this.values.rgb, this.values.alpha);
+	},
+	rgbaString: function () {
+		return colorString.rgbaString(this.values.rgb, this.values.alpha);
+	},
+	percentString: function () {
+		return colorString.percentString(this.values.rgb, this.values.alpha);
+	},
+	hslString: function () {
+		return colorString.hslString(this.values.hsl, this.values.alpha);
+	},
+	hslaString: function () {
+		return colorString.hslaString(this.values.hsl, this.values.alpha);
+	},
+	hwbString: function () {
+		return colorString.hwbString(this.values.hwb, this.values.alpha);
+	},
+	keyword: function () {
+		return colorString.keyword(this.values.rgb, this.values.alpha);
+	},
+
+	rgbNumber: function () {
+		var rgb = this.values.rgb;
+		return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
+	},
+
+	luminosity: function () {
+		// http://www.w3.org/TR/WCAG20/#relativeluminancedef
+		var rgb = this.values.rgb;
+		var lum = [];
+		for (var i = 0; i < rgb.length; i++) {
+			var chan = rgb[i] / 255;
+			lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);
+		}
+		return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];
+	},
+
+	contrast: function (color2) {
+		// http://www.w3.org/TR/WCAG20/#contrast-ratiodef
+		var lum1 = this.luminosity();
+		var lum2 = color2.luminosity();
+		if (lum1 > lum2) {
+			return (lum1 + 0.05) / (lum2 + 0.05);
+		}
+		return (lum2 + 0.05) / (lum1 + 0.05);
+	},
+
+	level: function (color2) {
+		var contrastRatio = this.contrast(color2);
+		if (contrastRatio >= 7.1) {
+			return 'AAA';
+		}
+
+		return (contrastRatio >= 4.5) ? 'AA' : '';
+	},
+
+	dark: function () {
+		// YIQ equation from http://24ways.org/2010/calculating-color-contrast
+		var rgb = this.values.rgb;
+		var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;
+		return yiq < 128;
+	},
+
+	light: function () {
+		return !this.dark();
+	},
+
+	negate: function () {
+		var rgb = [];
+		for (var i = 0; i < 3; i++) {
+			rgb[i] = 255 - this.values.rgb[i];
+		}
+		this.setValues('rgb', rgb);
+		return this;
+	},
+
+	lighten: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[2] += hsl[2] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	darken: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[2] -= hsl[2] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	saturate: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[1] += hsl[1] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	desaturate: function (ratio) {
+		var hsl = this.values.hsl;
+		hsl[1] -= hsl[1] * ratio;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	whiten: function (ratio) {
+		var hwb = this.values.hwb;
+		hwb[1] += hwb[1] * ratio;
+		this.setValues('hwb', hwb);
+		return this;
+	},
+
+	blacken: function (ratio) {
+		var hwb = this.values.hwb;
+		hwb[2] += hwb[2] * ratio;
+		this.setValues('hwb', hwb);
+		return this;
+	},
+
+	greyscale: function () {
+		var rgb = this.values.rgb;
+		// http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
+		var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;
+		this.setValues('rgb', [val, val, val]);
+		return this;
+	},
+
+	clearer: function (ratio) {
+		var alpha = this.values.alpha;
+		this.setValues('alpha', alpha - (alpha * ratio));
+		return this;
+	},
+
+	opaquer: function (ratio) {
+		var alpha = this.values.alpha;
+		this.setValues('alpha', alpha + (alpha * ratio));
+		return this;
+	},
+
+	rotate: function (degrees) {
+		var hsl = this.values.hsl;
+		var hue = (hsl[0] + degrees) % 360;
+		hsl[0] = hue < 0 ? 360 + hue : hue;
+		this.setValues('hsl', hsl);
+		return this;
+	},
+
+	/**
+	 * Ported from sass implementation in C
+	 * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209
+	 */
+	mix: function (mixinColor, weight) {
+		var color1 = this;
+		var color2 = mixinColor;
+		var p = weight === undefined ? 0.5 : weight;
+
+		var w = 2 * p - 1;
+		var a = color1.alpha() - color2.alpha();
+
+		var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
+		var w2 = 1 - w1;
+
+		return this
+			.rgb(
+				w1 * color1.red() + w2 * color2.red(),
+				w1 * color1.green() + w2 * color2.green(),
+				w1 * color1.blue() + w2 * color2.blue()
+			)
+			.alpha(color1.alpha() * p + color2.alpha() * (1 - p));
+	},
+
+	toJSON: function () {
+		return this.rgb();
+	},
+
+	clone: function () {
+		// NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,
+		// making the final build way to big to embed in Chart.js. So let's do it manually,
+		// assuming that values to clone are 1 dimension arrays containing only numbers,
+		// except 'alpha' which is a number.
+		var result = new Color();
+		var source = this.values;
+		var target = result.values;
+		var value, type;
+
+		for (var prop in source) {
+			if (source.hasOwnProperty(prop)) {
+				value = source[prop];
+				type = ({}).toString.call(value);
+				if (type === '[object Array]') {
+					target[prop] = value.slice(0);
+				} else if (type === '[object Number]') {
+					target[prop] = value;
+				} else {
+					console.error('unexpected color value:', value);
+				}
+			}
+		}
+
+		return result;
+	}
+};
+
+Color.prototype.spaces = {
+	rgb: ['red', 'green', 'blue'],
+	hsl: ['hue', 'saturation', 'lightness'],
+	hsv: ['hue', 'saturation', 'value'],
+	hwb: ['hue', 'whiteness', 'blackness'],
+	cmyk: ['cyan', 'magenta', 'yellow', 'black']
+};
+
+Color.prototype.maxes = {
+	rgb: [255, 255, 255],
+	hsl: [360, 100, 100],
+	hsv: [360, 100, 100],
+	hwb: [360, 100, 100],
+	cmyk: [100, 100, 100, 100]
+};
+
+Color.prototype.getValues = function (space) {
+	var values = this.values;
+	var vals = {};
+
+	for (var i = 0; i < space.length; i++) {
+		vals[space.charAt(i)] = values[space][i];
+	}
+
+	if (values.alpha !== 1) {
+		vals.a = values.alpha;
+	}
+
+	// {r: 255, g: 255, b: 255, a: 0.4}
+	return vals;
+};
+
+Color.prototype.setValues = function (space, vals) {
+	var values = this.values;
+	var spaces = this.spaces;
+	var maxes = this.maxes;
+	var alpha = 1;
+	var i;
+
+	this.valid = true;
+
+	if (space === 'alpha') {
+		alpha = vals;
+	} else if (vals.length) {
+		// [10, 10, 10]
+		values[space] = vals.slice(0, space.length);
+		alpha = vals[space.length];
+	} else if (vals[space.charAt(0)] !== undefined) {
+		// {r: 10, g: 10, b: 10}
+		for (i = 0; i < space.length; i++) {
+			values[space][i] = vals[space.charAt(i)];
+		}
+
+		alpha = vals.a;
+	} else if (vals[spaces[space][0]] !== undefined) {
+		// {red: 10, green: 10, blue: 10}
+		var chans = spaces[space];
+
+		for (i = 0; i < space.length; i++) {
+			values[space][i] = vals[chans[i]];
+		}
+
+		alpha = vals.alpha;
+	}
+
+	values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));
+
+	if (space === 'alpha') {
+		return false;
+	}
+
+	var capped;
+
+	// cap values of the space prior converting all values
+	for (i = 0; i < space.length; i++) {
+		capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));
+		values[space][i] = Math.round(capped);
+	}
+
+	// convert to all the other color spaces
+	for (var sname in spaces) {
+		if (sname !== space) {
+			values[sname] = colorConvert[space][sname](values[space]);
+		}
+	}
+
+	return true;
+};
+
+Color.prototype.setSpace = function (space, args) {
+	var vals = args[0];
+
+	if (vals === undefined) {
+		// color.rgb()
+		return this.getValues(space);
+	}
+
+	// color.rgb(10, 10, 10)
+	if (typeof vals === 'number') {
+		vals = Array.prototype.slice.call(args);
+	}
+
+	this.setValues(space, vals);
+	return this;
+};
+
+Color.prototype.setChannel = function (space, index, val) {
+	var svalues = this.values[space];
+	if (val === undefined) {
+		// color.red()
+		return svalues[index];
+	} else if (val === svalues[index]) {
+		// color.red(color.red())
+		return this;
+	}
+
+	// color.red(100)
+	svalues[index] = val;
+	this.setValues(space, svalues);
+
+	return this;
+};
+
+if (typeof window !== 'undefined') {
+	window.Color = Color;
+}
+
+var chartjsColor = Color;
+
+function isValidKey(key) {
+	return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;
+}
+
+/**
+ * @namespace Chart.helpers
+ */
+var helpers = {
+	/**
+	 * An empty function that can be used, for example, for optional callback.
+	 */
+	noop: function() {},
+
+	/**
+	 * Returns a unique id, sequentially generated from a global variable.
+	 * @returns {number}
+	 * @function
+	 */
+	uid: (function() {
+		var id = 0;
+		return function() {
+			return id++;
+		};
+	}()),
+
+	/**
+	 * Returns true if `value` is neither null nor undefined, else returns false.
+	 * @param {*} value - The value to test.
+	 * @returns {boolean}
+	 * @since 2.7.0
+	 */
+	isNullOrUndef: function(value) {
+		return value === null || typeof value === 'undefined';
+	},
+
+	/**
+	 * Returns true if `value` is an array (including typed arrays), else returns false.
+	 * @param {*} value - The value to test.
+	 * @returns {boolean}
+	 * @function
+	 */
+	isArray: function(value) {
+		if (Array.isArray && Array.isArray(value)) {
+			return true;
+		}
+		var type = Object.prototype.toString.call(value);
+		if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {
+			return true;
+		}
+		return false;
+	},
+
+	/**
+	 * Returns true if `value` is an object (excluding null), else returns false.
+	 * @param {*} value - The value to test.
+	 * @returns {boolean}
+	 * @since 2.7.0
+	 */
+	isObject: function(value) {
+		return value !== null && Object.prototype.toString.call(value) === '[object Object]';
+	},
+
+	/**
+	 * Returns true if `value` is a finite number, else returns false
+	 * @param {*} value  - The value to test.
+	 * @returns {boolean}
+	 */
+	isFinite: function(value) {
+		return (typeof value === 'number' || value instanceof Number) && isFinite(value);
+	},
+
+	/**
+	 * Returns `value` if defined, else returns `defaultValue`.
+	 * @param {*} value - The value to return if defined.
+	 * @param {*} defaultValue - The value to return if `value` is undefined.
+	 * @returns {*}
+	 */
+	valueOrDefault: function(value, defaultValue) {
+		return typeof value === 'undefined' ? defaultValue : value;
+	},
+
+	/**
+	 * Returns value at the given `index` in array if defined, else returns `defaultValue`.
+	 * @param {Array} value - The array to lookup for value at `index`.
+	 * @param {number} index - The index in `value` to lookup for value.
+	 * @param {*} defaultValue - The value to return if `value[index]` is undefined.
+	 * @returns {*}
+	 */
+	valueAtIndexOrDefault: function(value, index, defaultValue) {
+		return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);
+	},
+
+	/**
+	 * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the
+	 * value returned by `fn`. If `fn` is not a function, this method returns undefined.
+	 * @param {function} fn - The function to call.
+	 * @param {Array|undefined|null} args - The arguments with which `fn` should be called.
+	 * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
+	 * @returns {*}
+	 */
+	callback: function(fn, args, thisArg) {
+		if (fn && typeof fn.call === 'function') {
+			return fn.apply(thisArg, args);
+		}
+	},
+
+	/**
+	 * Note(SB) for performance sake, this method should only be used when loopable type
+	 * is unknown or in none intensive code (not called often and small loopable). Else
+	 * it's preferable to use a regular for() loop and save extra function calls.
+	 * @param {object|Array} loopable - The object or array to be iterated.
+	 * @param {function} fn - The function to call for each item.
+	 * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
+	 * @param {boolean} [reverse] - If true, iterates backward on the loopable.
+	 */
+	each: function(loopable, fn, thisArg, reverse) {
+		var i, len, keys;
+		if (helpers.isArray(loopable)) {
+			len = loopable.length;
+			if (reverse) {
+				for (i = len - 1; i >= 0; i--) {
+					fn.call(thisArg, loopable[i], i);
+				}
+			} else {
+				for (i = 0; i < len; i++) {
+					fn.call(thisArg, loopable[i], i);
+				}
+			}
+		} else if (helpers.isObject(loopable)) {
+			keys = Object.keys(loopable);
+			len = keys.length;
+			for (i = 0; i < len; i++) {
+				fn.call(thisArg, loopable[keys[i]], keys[i]);
+			}
+		}
+	},
+
+	/**
+	 * Returns true if the `a0` and `a1` arrays have the same content, else returns false.
+	 * @see https://stackoverflow.com/a/14853974
+	 * @param {Array} a0 - The array to compare
+	 * @param {Array} a1 - The array to compare
+	 * @returns {boolean}
+	 */
+	arrayEquals: function(a0, a1) {
+		var i, ilen, v0, v1;
+
+		if (!a0 || !a1 || a0.length !== a1.length) {
+			return false;
+		}
+
+		for (i = 0, ilen = a0.length; i < ilen; ++i) {
+			v0 = a0[i];
+			v1 = a1[i];
+
+			if (v0 instanceof Array && v1 instanceof Array) {
+				if (!helpers.arrayEquals(v0, v1)) {
+					return false;
+				}
+			} else if (v0 !== v1) {
+				// NOTE: two different object instances will never be equal: {x:20} != {x:20}
+				return false;
+			}
+		}
+
+		return true;
+	},
+
+	/**
+	 * Returns a deep copy of `source` without keeping references on objects and arrays.
+	 * @param {*} source - The value to clone.
+	 * @returns {*}
+	 */
+	clone: function(source) {
+		if (helpers.isArray(source)) {
+			return source.map(helpers.clone);
+		}
+
+		if (helpers.isObject(source)) {
+			var target = Object.create(source);
+			var keys = Object.keys(source);
+			var klen = keys.length;
+			var k = 0;
+
+			for (; k < klen; ++k) {
+				target[keys[k]] = helpers.clone(source[keys[k]]);
+			}
+
+			return target;
+		}
+
+		return source;
+	},
+
+	/**
+	 * The default merger when Chart.helpers.merge is called without merger option.
+	 * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback.
+	 * @private
+	 */
+	_merger: function(key, target, source, options) {
+		if (!isValidKey(key)) {
+			// We want to ensure we do not copy prototypes over
+			// as this can pollute global namespaces
+			return;
+		}
+
+		var tval = target[key];
+		var sval = source[key];
+
+		if (helpers.isObject(tval) && helpers.isObject(sval)) {
+			helpers.merge(tval, sval, options);
+		} else {
+			target[key] = helpers.clone(sval);
+		}
+	},
+
+	/**
+	 * Merges source[key] in target[key] only if target[key] is undefined.
+	 * @private
+	 */
+	_mergerIf: function(key, target, source) {
+		if (!isValidKey(key)) {
+			// We want to ensure we do not copy prototypes over
+			// as this can pollute global namespaces
+			return;
+		}
+
+		var tval = target[key];
+		var sval = source[key];
+
+		if (helpers.isObject(tval) && helpers.isObject(sval)) {
+			helpers.mergeIf(tval, sval);
+		} else if (!target.hasOwnProperty(key)) {
+			target[key] = helpers.clone(sval);
+		}
+	},
+
+	/**
+	 * Recursively deep copies `source` properties into `target` with the given `options`.
+	 * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
+	 * @param {object} target - The target object in which all sources are merged into.
+	 * @param {object|object[]} source - Object(s) to merge into `target`.
+	 * @param {object} [options] - Merging options:
+	 * @param {function} [options.merger] - The merge method (key, target, source, options)
+	 * @returns {object} The `target` object.
+	 */
+	merge: function(target, source, options) {
+		var sources = helpers.isArray(source) ? source : [source];
+		var ilen = sources.length;
+		var merge, i, keys, klen, k;
+
+		if (!helpers.isObject(target)) {
+			return target;
+		}
+
+		options = options || {};
+		merge = options.merger || helpers._merger;
+
+		for (i = 0; i < ilen; ++i) {
+			source = sources[i];
+			if (!helpers.isObject(source)) {
+				continue;
+			}
+
+			keys = Object.keys(source);
+			for (k = 0, klen = keys.length; k < klen; ++k) {
+				merge(keys[k], target, source, options);
+			}
+		}
+
+		return target;
+	},
+
+	/**
+	 * Recursively deep copies `source` properties into `target` *only* if not defined in target.
+	 * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
+	 * @param {object} target - The target object in which all sources are merged into.
+	 * @param {object|object[]} source - Object(s) to merge into `target`.
+	 * @returns {object} The `target` object.
+	 */
+	mergeIf: function(target, source) {
+		return helpers.merge(target, source, {merger: helpers._mergerIf});
+	},
+
+	/**
+	 * Applies the contents of two or more objects together into the first object.
+	 * @param {object} target - The target object in which all objects are merged into.
+	 * @param {object} arg1 - Object containing additional properties to merge in target.
+	 * @param {object} argN - Additional objects containing properties to merge in target.
+	 * @returns {object} The `target` object.
+	 */
+	extend: Object.assign || function(target) {
+		return helpers.merge(target, [].slice.call(arguments, 1), {
+			merger: function(key, dst, src) {
+				dst[key] = src[key];
+			}
+		});
+	},
+
+	/**
+	 * Basic javascript inheritance based on the model created in Backbone.js
+	 */
+	inherits: function(extensions) {
+		var me = this;
+		var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {
+			return me.apply(this, arguments);
+		};
+
+		var Surrogate = function() {
+			this.constructor = ChartElement;
+		};
+
+		Surrogate.prototype = me.prototype;
+		ChartElement.prototype = new Surrogate();
+		ChartElement.extend = helpers.inherits;
+
+		if (extensions) {
+			helpers.extend(ChartElement.prototype, extensions);
+		}
+
+		ChartElement.__super__ = me.prototype;
+		return ChartElement;
+	},
+
+	_deprecated: function(scope, value, previous, current) {
+		if (value !== undefined) {
+			console.warn(scope + ': "' + previous +
+				'" is deprecated. Please use "' + current + '" instead');
+		}
+	}
+};
+
+var helpers_core = helpers;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.callback instead.
+ * @function Chart.helpers.callCallback
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.callCallback = helpers.callback;
+
+/**
+ * Provided for backward compatibility, use Array.prototype.indexOf instead.
+ * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+
+ * @function Chart.helpers.indexOf
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.indexOf = function(array, item, fromIndex) {
+	return Array.prototype.indexOf.call(array, item, fromIndex);
+};
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.
+ * @function Chart.helpers.getValueOrDefault
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.getValueOrDefault = helpers.valueOrDefault;
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.
+ * @function Chart.helpers.getValueAtIndexOrDefault
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
+
+/**
+ * Easing functions adapted from Robert Penner's easing equations.
+ * @namespace Chart.helpers.easingEffects
+ * @see http://www.robertpenner.com/easing/
+ */
+var effects = {
+	linear: function(t) {
+		return t;
+	},
+
+	easeInQuad: function(t) {
+		return t * t;
+	},
+
+	easeOutQuad: function(t) {
+		return -t * (t - 2);
+	},
+
+	easeInOutQuad: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t;
+		}
+		return -0.5 * ((--t) * (t - 2) - 1);
+	},
+
+	easeInCubic: function(t) {
+		return t * t * t;
+	},
+
+	easeOutCubic: function(t) {
+		return (t = t - 1) * t * t + 1;
+	},
+
+	easeInOutCubic: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t * t;
+		}
+		return 0.5 * ((t -= 2) * t * t + 2);
+	},
+
+	easeInQuart: function(t) {
+		return t * t * t * t;
+	},
+
+	easeOutQuart: function(t) {
+		return -((t = t - 1) * t * t * t - 1);
+	},
+
+	easeInOutQuart: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t * t * t;
+		}
+		return -0.5 * ((t -= 2) * t * t * t - 2);
+	},
+
+	easeInQuint: function(t) {
+		return t * t * t * t * t;
+	},
+
+	easeOutQuint: function(t) {
+		return (t = t - 1) * t * t * t * t + 1;
+	},
+
+	easeInOutQuint: function(t) {
+		if ((t /= 0.5) < 1) {
+			return 0.5 * t * t * t * t * t;
+		}
+		return 0.5 * ((t -= 2) * t * t * t * t + 2);
+	},
+
+	easeInSine: function(t) {
+		return -Math.cos(t * (Math.PI / 2)) + 1;
+	},
+
+	easeOutSine: function(t) {
+		return Math.sin(t * (Math.PI / 2));
+	},
+
+	easeInOutSine: function(t) {
+		return -0.5 * (Math.cos(Math.PI * t) - 1);
+	},
+
+	easeInExpo: function(t) {
+		return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));
+	},
+
+	easeOutExpo: function(t) {
+		return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;
+	},
+
+	easeInOutExpo: function(t) {
+		if (t === 0) {
+			return 0;
+		}
+		if (t === 1) {
+			return 1;
+		}
+		if ((t /= 0.5) < 1) {
+			return 0.5 * Math.pow(2, 10 * (t - 1));
+		}
+		return 0.5 * (-Math.pow(2, -10 * --t) + 2);
+	},
+
+	easeInCirc: function(t) {
+		if (t >= 1) {
+			return t;
+		}
+		return -(Math.sqrt(1 - t * t) - 1);
+	},
+
+	easeOutCirc: function(t) {
+		return Math.sqrt(1 - (t = t - 1) * t);
+	},
+
+	easeInOutCirc: function(t) {
+		if ((t /= 0.5) < 1) {
+			return -0.5 * (Math.sqrt(1 - t * t) - 1);
+		}
+		return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
+	},
+
+	easeInElastic: function(t) {
+		var s = 1.70158;
+		var p = 0;
+		var a = 1;
+		if (t === 0) {
+			return 0;
+		}
+		if (t === 1) {
+			return 1;
+		}
+		if (!p) {
+			p = 0.3;
+		}
+		if (a < 1) {
+			a = 1;
+			s = p / 4;
+		} else {
+			s = p / (2 * Math.PI) * Math.asin(1 / a);
+		}
+		return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
+	},
+
+	easeOutElastic: function(t) {
+		var s = 1.70158;
+		var p = 0;
+		var a = 1;
+		if (t === 0) {
+			return 0;
+		}
+		if (t === 1) {
+			return 1;
+		}
+		if (!p) {
+			p = 0.3;
+		}
+		if (a < 1) {
+			a = 1;
+			s = p / 4;
+		} else {
+			s = p / (2 * Math.PI) * Math.asin(1 / a);
+		}
+		return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;
+	},
+
+	easeInOutElastic: function(t) {
+		var s = 1.70158;
+		var p = 0;
+		var a = 1;
+		if (t === 0) {
+			return 0;
+		}
+		if ((t /= 0.5) === 2) {
+			return 1;
+		}
+		if (!p) {
+			p = 0.45;
+		}
+		if (a < 1) {
+			a = 1;
+			s = p / 4;
+		} else {
+			s = p / (2 * Math.PI) * Math.asin(1 / a);
+		}
+		if (t < 1) {
+			return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
+		}
+		return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;
+	},
+	easeInBack: function(t) {
+		var s = 1.70158;
+		return t * t * ((s + 1) * t - s);
+	},
+
+	easeOutBack: function(t) {
+		var s = 1.70158;
+		return (t = t - 1) * t * ((s + 1) * t + s) + 1;
+	},
+
+	easeInOutBack: function(t) {
+		var s = 1.70158;
+		if ((t /= 0.5) < 1) {
+			return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));
+		}
+		return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
+	},
+
+	easeInBounce: function(t) {
+		return 1 - effects.easeOutBounce(1 - t);
+	},
+
+	easeOutBounce: function(t) {
+		if (t < (1 / 2.75)) {
+			return 7.5625 * t * t;
+		}
+		if (t < (2 / 2.75)) {
+			return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;
+		}
+		if (t < (2.5 / 2.75)) {
+			return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;
+		}
+		return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;
+	},
+
+	easeInOutBounce: function(t) {
+		if (t < 0.5) {
+			return effects.easeInBounce(t * 2) * 0.5;
+		}
+		return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;
+	}
+};
+
+var helpers_easing = {
+	effects: effects
+};
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.easing.effects instead.
+ * @function Chart.helpers.easingEffects
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.easingEffects = effects;
+
+var PI = Math.PI;
+var RAD_PER_DEG = PI / 180;
+var DOUBLE_PI = PI * 2;
+var HALF_PI = PI / 2;
+var QUARTER_PI = PI / 4;
+var TWO_THIRDS_PI = PI * 2 / 3;
+
+/**
+ * @namespace Chart.helpers.canvas
+ */
+var exports$1 = {
+	/**
+	 * Clears the entire canvas associated to the given `chart`.
+	 * @param {Chart} chart - The chart for which to clear the canvas.
+	 */
+	clear: function(chart) {
+		chart.ctx.clearRect(0, 0, chart.width, chart.height);
+	},
+
+	/**
+	 * Creates a "path" for a rectangle with rounded corners at position (x, y) with a
+	 * given size (width, height) and the same `radius` for all corners.
+	 * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.
+	 * @param {number} x - The x axis of the coordinate for the rectangle starting point.
+	 * @param {number} y - The y axis of the coordinate for the rectangle starting point.
+	 * @param {number} width - The rectangle's width.
+	 * @param {number} height - The rectangle's height.
+	 * @param {number} radius - The rounded amount (in pixels) for the four corners.
+	 * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?
+	 */
+	roundedRect: function(ctx, x, y, width, height, radius) {
+		if (radius) {
+			var r = Math.min(radius, height / 2, width / 2);
+			var left = x + r;
+			var top = y + r;
+			var right = x + width - r;
+			var bottom = y + height - r;
+
+			ctx.moveTo(x, top);
+			if (left < right && top < bottom) {
+				ctx.arc(left, top, r, -PI, -HALF_PI);
+				ctx.arc(right, top, r, -HALF_PI, 0);
+				ctx.arc(right, bottom, r, 0, HALF_PI);
+				ctx.arc(left, bottom, r, HALF_PI, PI);
+			} else if (left < right) {
+				ctx.moveTo(left, y);
+				ctx.arc(right, top, r, -HALF_PI, HALF_PI);
+				ctx.arc(left, top, r, HALF_PI, PI + HALF_PI);
+			} else if (top < bottom) {
+				ctx.arc(left, top, r, -PI, 0);
+				ctx.arc(left, bottom, r, 0, PI);
+			} else {
+				ctx.arc(left, top, r, -PI, PI);
+			}
+			ctx.closePath();
+			ctx.moveTo(x, y);
+		} else {
+			ctx.rect(x, y, width, height);
+		}
+	},
+
+	drawPoint: function(ctx, style, radius, x, y, rotation) {
+		var type, xOffset, yOffset, size, cornerRadius;
+		var rad = (rotation || 0) * RAD_PER_DEG;
+
+		if (style && typeof style === 'object') {
+			type = style.toString();
+			if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {
+				ctx.save();
+				ctx.translate(x, y);
+				ctx.rotate(rad);
+				ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);
+				ctx.restore();
+				return;
+			}
+		}
+
+		if (isNaN(radius) || radius <= 0) {
+			return;
+		}
+
+		ctx.beginPath();
+
+		switch (style) {
+		// Default includes circle
+		default:
+			ctx.arc(x, y, radius, 0, DOUBLE_PI);
+			ctx.closePath();
+			break;
+		case 'triangle':
+			ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+			rad += TWO_THIRDS_PI;
+			ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+			rad += TWO_THIRDS_PI;
+			ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+			ctx.closePath();
+			break;
+		case 'rectRounded':
+			// NOTE: the rounded rect implementation changed to use `arc` instead of
+			// `quadraticCurveTo` since it generates better results when rect is
+			// almost a circle. 0.516 (instead of 0.5) produces results with visually
+			// closer proportion to the previous impl and it is inscribed in the
+			// circle with `radius`. For more details, see the following PRs:
+			// https://github.com/chartjs/Chart.js/issues/5597
+			// https://github.com/chartjs/Chart.js/issues/5858
+			cornerRadius = radius * 0.516;
+			size = radius - cornerRadius;
+			xOffset = Math.cos(rad + QUARTER_PI) * size;
+			yOffset = Math.sin(rad + QUARTER_PI) * size;
+			ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);
+			ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);
+			ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);
+			ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);
+			ctx.closePath();
+			break;
+		case 'rect':
+			if (!rotation) {
+				size = Math.SQRT1_2 * radius;
+				ctx.rect(x - size, y - size, 2 * size, 2 * size);
+				break;
+			}
+			rad += QUARTER_PI;
+			/* falls through */
+		case 'rectRot':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			ctx.closePath();
+			break;
+		case 'crossRot':
+			rad += QUARTER_PI;
+			/* falls through */
+		case 'cross':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.moveTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			break;
+		case 'star':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.moveTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			rad += QUARTER_PI;
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			ctx.moveTo(x + yOffset, y - xOffset);
+			ctx.lineTo(x - yOffset, y + xOffset);
+			break;
+		case 'line':
+			xOffset = Math.cos(rad) * radius;
+			yOffset = Math.sin(rad) * radius;
+			ctx.moveTo(x - xOffset, y - yOffset);
+			ctx.lineTo(x + xOffset, y + yOffset);
+			break;
+		case 'dash':
+			ctx.moveTo(x, y);
+			ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);
+			break;
+		}
+
+		ctx.fill();
+		ctx.stroke();
+	},
+
+	/**
+	 * Returns true if the point is inside the rectangle
+	 * @param {object} point - The point to test
+	 * @param {object} area - The rectangle
+	 * @returns {boolean}
+	 * @private
+	 */
+	_isPointInArea: function(point, area) {
+		var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.
+
+		return point.x > area.left - epsilon && point.x < area.right + epsilon &&
+			point.y > area.top - epsilon && point.y < area.bottom + epsilon;
+	},
+
+	clipArea: function(ctx, area) {
+		ctx.save();
+		ctx.beginPath();
+		ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
+		ctx.clip();
+	},
+
+	unclipArea: function(ctx) {
+		ctx.restore();
+	},
+
+	lineTo: function(ctx, previous, target, flip) {
+		var stepped = target.steppedLine;
+		if (stepped) {
+			if (stepped === 'middle') {
+				var midpoint = (previous.x + target.x) / 2.0;
+				ctx.lineTo(midpoint, flip ? target.y : previous.y);
+				ctx.lineTo(midpoint, flip ? previous.y : target.y);
+			} else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) {
+				ctx.lineTo(previous.x, target.y);
+			} else {
+				ctx.lineTo(target.x, previous.y);
+			}
+			ctx.lineTo(target.x, target.y);
+			return;
+		}
+
+		if (!target.tension) {
+			ctx.lineTo(target.x, target.y);
+			return;
+		}
+
+		ctx.bezierCurveTo(
+			flip ? previous.controlPointPreviousX : previous.controlPointNextX,
+			flip ? previous.controlPointPreviousY : previous.controlPointNextY,
+			flip ? target.controlPointNextX : target.controlPointPreviousX,
+			flip ? target.controlPointNextY : target.controlPointPreviousY,
+			target.x,
+			target.y);
+	}
+};
+
+var helpers_canvas = exports$1;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.
+ * @namespace Chart.helpers.clear
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.clear = exports$1.clear;
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.
+ * @namespace Chart.helpers.drawRoundedRectangle
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.drawRoundedRectangle = function(ctx) {
+	ctx.beginPath();
+	exports$1.roundedRect.apply(exports$1, arguments);
+};
+
+var defaults = {
+	/**
+	 * @private
+	 */
+	_set: function(scope, values) {
+		return helpers_core.merge(this[scope] || (this[scope] = {}), values);
+	}
+};
+
+// TODO(v3): remove 'global' from namespace.  all default are global and
+// there's inconsistency around which options are under 'global'
+defaults._set('global', {
+	defaultColor: 'rgba(0,0,0,0.1)',
+	defaultFontColor: '#666',
+	defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
+	defaultFontSize: 12,
+	defaultFontStyle: 'normal',
+	defaultLineHeight: 1.2,
+	showLines: true
+});
+
+var core_defaults = defaults;
+
+var valueOrDefault = helpers_core.valueOrDefault;
+
+/**
+ * Converts the given font object into a CSS font string.
+ * @param {object} font - A font object.
+ * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font
+ * @private
+ */
+function toFontString(font) {
+	if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) {
+		return null;
+	}
+
+	return (font.style ? font.style + ' ' : '')
+		+ (font.weight ? font.weight + ' ' : '')
+		+ font.size + 'px '
+		+ font.family;
+}
+
+/**
+ * @alias Chart.helpers.options
+ * @namespace
+ */
+var helpers_options = {
+	/**
+	 * Converts the given line height `value` in pixels for a specific font `size`.
+	 * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').
+	 * @param {number} size - The font size (in pixels) used to resolve relative `value`.
+	 * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid).
+	 * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height
+	 * @since 2.7.0
+	 */
+	toLineHeight: function(value, size) {
+		var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);
+		if (!matches || matches[1] === 'normal') {
+			return size * 1.2;
+		}
+
+		value = +matches[2];
+
+		switch (matches[3]) {
+		case 'px':
+			return value;
+		case '%':
+			value /= 100;
+			break;
+		}
+
+		return size * value;
+	},
+
+	/**
+	 * Converts the given value into a padding object with pre-computed width/height.
+	 * @param {number|object} value - If a number, set the value to all TRBL component,
+	 *  else, if and object, use defined properties and sets undefined ones to 0.
+	 * @returns {object} The padding values (top, right, bottom, left, width, height)
+	 * @since 2.7.0
+	 */
+	toPadding: function(value) {
+		var t, r, b, l;
+
+		if (helpers_core.isObject(value)) {
+			t = +value.top || 0;
+			r = +value.right || 0;
+			b = +value.bottom || 0;
+			l = +value.left || 0;
+		} else {
+			t = r = b = l = +value || 0;
+		}
+
+		return {
+			top: t,
+			right: r,
+			bottom: b,
+			left: l,
+			height: t + b,
+			width: l + r
+		};
+	},
+
+	/**
+	 * Parses font options and returns the font object.
+	 * @param {object} options - A object that contains font options to be parsed.
+	 * @return {object} The font object.
+	 * @todo Support font.* options and renamed to toFont().
+	 * @private
+	 */
+	_parseFont: function(options) {
+		var globalDefaults = core_defaults.global;
+		var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);
+		var font = {
+			family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily),
+			lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size),
+			size: size,
+			style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle),
+			weight: null,
+			string: ''
+		};
+
+		font.string = toFontString(font);
+		return font;
+	},
+
+	/**
+	 * Evaluates the given `inputs` sequentially and returns the first defined value.
+	 * @param {Array} inputs - An array of values, falling back to the last value.
+	 * @param {object} [context] - If defined and the current value is a function, the value
+	 * is called with `context` as first argument and the result becomes the new input.
+	 * @param {number} [index] - If defined and the current value is an array, the value
+	 * at `index` become the new input.
+	 * @param {object} [info] - object to return information about resolution in
+	 * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable.
+	 * @since 2.7.0
+	 */
+	resolve: function(inputs, context, index, info) {
+		var cacheable = true;
+		var i, ilen, value;
+
+		for (i = 0, ilen = inputs.length; i < ilen; ++i) {
+			value = inputs[i];
+			if (value === undefined) {
+				continue;
+			}
+			if (context !== undefined && typeof value === 'function') {
+				value = value(context);
+				cacheable = false;
+			}
+			if (index !== undefined && helpers_core.isArray(value)) {
+				value = value[index];
+				cacheable = false;
+			}
+			if (value !== undefined) {
+				if (info && !cacheable) {
+					info.cacheable = false;
+				}
+				return value;
+			}
+		}
+	}
+};
+
+/**
+ * @alias Chart.helpers.math
+ * @namespace
+ */
+var exports$2 = {
+	/**
+	 * Returns an array of factors sorted from 1 to sqrt(value)
+	 * @private
+	 */
+	_factorize: function(value) {
+		var result = [];
+		var sqrt = Math.sqrt(value);
+		var i;
+
+		for (i = 1; i < sqrt; i++) {
+			if (value % i === 0) {
+				result.push(i);
+				result.push(value / i);
+			}
+		}
+		if (sqrt === (sqrt | 0)) { // if value is a square number
+			result.push(sqrt);
+		}
+
+		result.sort(function(a, b) {
+			return a - b;
+		}).pop();
+		return result;
+	},
+
+	log10: Math.log10 || function(x) {
+		var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.
+		// Check for whole powers of 10,
+		// which due to floating point rounding error should be corrected.
+		var powerOf10 = Math.round(exponent);
+		var isPowerOf10 = x === Math.pow(10, powerOf10);
+
+		return isPowerOf10 ? powerOf10 : exponent;
+	}
+};
+
+var helpers_math = exports$2;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.math.log10 instead.
+ * @namespace Chart.helpers.log10
+ * @deprecated since version 2.9.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.log10 = exports$2.log10;
+
+var getRtlAdapter = function(rectX, width) {
+	return {
+		x: function(x) {
+			return rectX + rectX + width - x;
+		},
+		setWidth: function(w) {
+			width = w;
+		},
+		textAlign: function(align) {
+			if (align === 'center') {
+				return align;
+			}
+			return align === 'right' ? 'left' : 'right';
+		},
+		xPlus: function(x, value) {
+			return x - value;
+		},
+		leftForLtr: function(x, itemWidth) {
+			return x - itemWidth;
+		},
+	};
+};
+
+var getLtrAdapter = function() {
+	return {
+		x: function(x) {
+			return x;
+		},
+		setWidth: function(w) { // eslint-disable-line no-unused-vars
+		},
+		textAlign: function(align) {
+			return align;
+		},
+		xPlus: function(x, value) {
+			return x + value;
+		},
+		leftForLtr: function(x, _itemWidth) { // eslint-disable-line no-unused-vars
+			return x;
+		},
+	};
+};
+
+var getAdapter = function(rtl, rectX, width) {
+	return rtl ? getRtlAdapter(rectX, width) : getLtrAdapter();
+};
+
+var overrideTextDirection = function(ctx, direction) {
+	var style, original;
+	if (direction === 'ltr' || direction === 'rtl') {
+		style = ctx.canvas.style;
+		original = [
+			style.getPropertyValue('direction'),
+			style.getPropertyPriority('direction'),
+		];
+
+		style.setProperty('direction', direction, 'important');
+		ctx.prevTextDirection = original;
+	}
+};
+
+var restoreTextDirection = function(ctx) {
+	var original = ctx.prevTextDirection;
+	if (original !== undefined) {
+		delete ctx.prevTextDirection;
+		ctx.canvas.style.setProperty('direction', original[0], original[1]);
+	}
+};
+
+var helpers_rtl = {
+	getRtlAdapter: getAdapter,
+	overrideTextDirection: overrideTextDirection,
+	restoreTextDirection: restoreTextDirection,
+};
+
+var helpers$1 = helpers_core;
+var easing = helpers_easing;
+var canvas = helpers_canvas;
+var options = helpers_options;
+var math = helpers_math;
+var rtl = helpers_rtl;
+helpers$1.easing = easing;
+helpers$1.canvas = canvas;
+helpers$1.options = options;
+helpers$1.math = math;
+helpers$1.rtl = rtl;
+
+function interpolate(start, view, model, ease) {
+	var keys = Object.keys(model);
+	var i, ilen, key, actual, origin, target, type, c0, c1;
+
+	for (i = 0, ilen = keys.length; i < ilen; ++i) {
+		key = keys[i];
+
+		target = model[key];
+
+		// if a value is added to the model after pivot() has been called, the view
+		// doesn't contain it, so let's initialize the view to the target value.
+		if (!view.hasOwnProperty(key)) {
+			view[key] = target;
+		}
+
+		actual = view[key];
+
+		if (actual === target || key[0] === '_') {
+			continue;
+		}
+
+		if (!start.hasOwnProperty(key)) {
+			start[key] = actual;
+		}
+
+		origin = start[key];
+
+		type = typeof target;
+
+		if (type === typeof origin) {
+			if (type === 'string') {
+				c0 = chartjsColor(origin);
+				if (c0.valid) {
+					c1 = chartjsColor(target);
+					if (c1.valid) {
+						view[key] = c1.mix(c0, ease).rgbString();
+						continue;
+					}
+				}
+			} else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) {
+				view[key] = origin + (target - origin) * ease;
+				continue;
+			}
+		}
+
+		view[key] = target;
+	}
+}
+
+var Element = function(configuration) {
+	helpers$1.extend(this, configuration);
+	this.initialize.apply(this, arguments);
+};
+
+helpers$1.extend(Element.prototype, {
+	_type: undefined,
+
+	initialize: function() {
+		this.hidden = false;
+	},
+
+	pivot: function() {
+		var me = this;
+		if (!me._view) {
+			me._view = helpers$1.extend({}, me._model);
+		}
+		me._start = {};
+		return me;
+	},
+
+	transition: function(ease) {
+		var me = this;
+		var model = me._model;
+		var start = me._start;
+		var view = me._view;
+
+		// No animation -> No Transition
+		if (!model || ease === 1) {
+			me._view = helpers$1.extend({}, model);
+			me._start = null;
+			return me;
+		}
+
+		if (!view) {
+			view = me._view = {};
+		}
+
+		if (!start) {
+			start = me._start = {};
+		}
+
+		interpolate(start, view, model, ease);
+
+		return me;
+	},
+
+	tooltipPosition: function() {
+		return {
+			x: this._model.x,
+			y: this._model.y
+		};
+	},
+
+	hasValue: function() {
+		return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y);
+	}
+});
+
+Element.extend = helpers$1.inherits;
+
+var core_element = Element;
+
+var exports$3 = core_element.extend({
+	chart: null, // the animation associated chart instance
+	currentStep: 0, // the current animation step
+	numSteps: 60, // default number of steps
+	easing: '', // the easing to use for this animation
+	render: null, // render function used by the animation service
+
+	onAnimationProgress: null, // user specified callback to fire on each step of the animation
+	onAnimationComplete: null, // user specified callback to fire when the animation finishes
+});
+
+var core_animation = exports$3;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.Animation instead
+ * @prop Chart.Animation#animationObject
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ */
+Object.defineProperty(exports$3.prototype, 'animationObject', {
+	get: function() {
+		return this;
+	}
+});
+
+/**
+ * Provided for backward compatibility, use Chart.Animation#chart instead
+ * @prop Chart.Animation#chartInstance
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ */
+Object.defineProperty(exports$3.prototype, 'chartInstance', {
+	get: function() {
+		return this.chart;
+	},
+	set: function(value) {
+		this.chart = value;
+	}
+});
+
+core_defaults._set('global', {
+	animation: {
+		duration: 1000,
+		easing: 'easeOutQuart',
+		onProgress: helpers$1.noop,
+		onComplete: helpers$1.noop
+	}
+});
+
+var core_animations = {
+	animations: [],
+	request: null,
+
+	/**
+	 * @param {Chart} chart - The chart to animate.
+	 * @param {Chart.Animation} animation - The animation that we will animate.
+	 * @param {number} duration - The animation duration in ms.
+	 * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions
+	 */
+	addAnimation: function(chart, animation, duration, lazy) {
+		var animations = this.animations;
+		var i, ilen;
+
+		animation.chart = chart;
+		animation.startTime = Date.now();
+		animation.duration = duration;
+
+		if (!lazy) {
+			chart.animating = true;
+		}
+
+		for (i = 0, ilen = animations.length; i < ilen; ++i) {
+			if (animations[i].chart === chart) {
+				animations[i] = animation;
+				return;
+			}
+		}
+
+		animations.push(animation);
+
+		// If there are no animations queued, manually kickstart a digest, for lack of a better word
+		if (animations.length === 1) {
+			this.requestAnimationFrame();
+		}
+	},
+
+	cancelAnimation: function(chart) {
+		var index = helpers$1.findIndex(this.animations, function(animation) {
+			return animation.chart === chart;
+		});
+
+		if (index !== -1) {
+			this.animations.splice(index, 1);
+			chart.animating = false;
+		}
+	},
+
+	requestAnimationFrame: function() {
+		var me = this;
+		if (me.request === null) {
+			// Skip animation frame requests until the active one is executed.
+			// This can happen when processing mouse events, e.g. 'mousemove'
+			// and 'mouseout' events will trigger multiple renders.
+			me.request = helpers$1.requestAnimFrame.call(window, function() {
+				me.request = null;
+				me.startDigest();
+			});
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	startDigest: function() {
+		var me = this;
+
+		me.advance();
+
+		// Do we have more stuff to animate?
+		if (me.animations.length > 0) {
+			me.requestAnimationFrame();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	advance: function() {
+		var animations = this.animations;
+		var animation, chart, numSteps, nextStep;
+		var i = 0;
+
+		// 1 animation per chart, so we are looping charts here
+		while (i < animations.length) {
+			animation = animations[i];
+			chart = animation.chart;
+			numSteps = animation.numSteps;
+
+			// Make sure that currentStep starts at 1
+			// https://github.com/chartjs/Chart.js/issues/6104
+			nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1;
+			animation.currentStep = Math.min(nextStep, numSteps);
+
+			helpers$1.callback(animation.render, [chart, animation], chart);
+			helpers$1.callback(animation.onAnimationProgress, [animation], chart);
+
+			if (animation.currentStep >= numSteps) {
+				helpers$1.callback(animation.onAnimationComplete, [animation], chart);
+				chart.animating = false;
+				animations.splice(i, 1);
+			} else {
+				++i;
+			}
+		}
+	}
+};
+
+var resolve = helpers$1.options.resolve;
+
+var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];
+
+/**
+ * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',
+ * 'unshift') and notify the listener AFTER the array has been altered. Listeners are
+ * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.
+ */
+function listenArrayEvents(array, listener) {
+	if (array._chartjs) {
+		array._chartjs.listeners.push(listener);
+		return;
+	}
+
+	Object.defineProperty(array, '_chartjs', {
+		configurable: true,
+		enumerable: false,
+		value: {
+			listeners: [listener]
+		}
+	});
+
+	arrayEvents.forEach(function(key) {
+		var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);
+		var base = array[key];
+
+		Object.defineProperty(array, key, {
+			configurable: true,
+			enumerable: false,
+			value: function() {
+				var args = Array.prototype.slice.call(arguments);
+				var res = base.apply(this, args);
+
+				helpers$1.each(array._chartjs.listeners, function(object) {
+					if (typeof object[method] === 'function') {
+						object[method].apply(object, args);
+					}
+				});
+
+				return res;
+			}
+		});
+	});
+}
+
+/**
+ * Removes the given array event listener and cleanup extra attached properties (such as
+ * the _chartjs stub and overridden methods) if array doesn't have any more listeners.
+ */
+function unlistenArrayEvents(array, listener) {
+	var stub = array._chartjs;
+	if (!stub) {
+		return;
+	}
+
+	var listeners = stub.listeners;
+	var index = listeners.indexOf(listener);
+	if (index !== -1) {
+		listeners.splice(index, 1);
+	}
+
+	if (listeners.length > 0) {
+		return;
+	}
+
+	arrayEvents.forEach(function(key) {
+		delete array[key];
+	});
+
+	delete array._chartjs;
+}
+
+// Base class for all dataset controllers (line, bar, etc)
+var DatasetController = function(chart, datasetIndex) {
+	this.initialize(chart, datasetIndex);
+};
+
+helpers$1.extend(DatasetController.prototype, {
+
+	/**
+	 * Element type used to generate a meta dataset (e.g. Chart.element.Line).
+	 * @type {Chart.core.element}
+	 */
+	datasetElementType: null,
+
+	/**
+	 * Element type used to generate a meta data (e.g. Chart.element.Point).
+	 * @type {Chart.core.element}
+	 */
+	dataElementType: null,
+
+	/**
+	 * Dataset element option keys to be resolved in _resolveDatasetElementOptions.
+	 * A derived controller may override this to resolve controller-specific options.
+	 * The keys defined here are for backward compatibility for legend styles.
+	 * @private
+	 */
+	_datasetElementOptions: [
+		'backgroundColor',
+		'borderCapStyle',
+		'borderColor',
+		'borderDash',
+		'borderDashOffset',
+		'borderJoinStyle',
+		'borderWidth'
+	],
+
+	/**
+	 * Data element option keys to be resolved in _resolveDataElementOptions.
+	 * A derived controller may override this to resolve controller-specific options.
+	 * The keys defined here are for backward compatibility for legend styles.
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'pointStyle'
+	],
+
+	initialize: function(chart, datasetIndex) {
+		var me = this;
+		me.chart = chart;
+		me.index = datasetIndex;
+		me.linkScales();
+		me.addElements();
+		me._type = me.getMeta().type;
+	},
+
+	updateIndex: function(datasetIndex) {
+		this.index = datasetIndex;
+	},
+
+	linkScales: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var chart = me.chart;
+		var scales = chart.scales;
+		var dataset = me.getDataset();
+		var scalesOpts = chart.options.scales;
+
+		if (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) {
+			meta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id;
+		}
+		if (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) {
+			meta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id;
+		}
+	},
+
+	getDataset: function() {
+		return this.chart.data.datasets[this.index];
+	},
+
+	getMeta: function() {
+		return this.chart.getDatasetMeta(this.index);
+	},
+
+	getScaleForId: function(scaleID) {
+		return this.chart.scales[scaleID];
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.getMeta().yAxisID;
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.getMeta().xAxisID;
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScale: function() {
+		return this.getScaleForId(this._getValueScaleId());
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScale: function() {
+		return this.getScaleForId(this._getIndexScaleId());
+	},
+
+	reset: function() {
+		this._update(true);
+	},
+
+	/**
+	 * @private
+	 */
+	destroy: function() {
+		if (this._data) {
+			unlistenArrayEvents(this._data, this);
+		}
+	},
+
+	createMetaDataset: function() {
+		var me = this;
+		var type = me.datasetElementType;
+		return type && new type({
+			_chart: me.chart,
+			_datasetIndex: me.index
+		});
+	},
+
+	createMetaData: function(index) {
+		var me = this;
+		var type = me.dataElementType;
+		return type && new type({
+			_chart: me.chart,
+			_datasetIndex: me.index,
+			_index: index
+		});
+	},
+
+	addElements: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var data = me.getDataset().data || [];
+		var metaData = meta.data;
+		var i, ilen;
+
+		for (i = 0, ilen = data.length; i < ilen; ++i) {
+			metaData[i] = metaData[i] || me.createMetaData(i);
+		}
+
+		meta.dataset = meta.dataset || me.createMetaDataset();
+	},
+
+	addElementAndReset: function(index) {
+		var element = this.createMetaData(index);
+		this.getMeta().data.splice(index, 0, element);
+		this.updateElement(element, index, true);
+	},
+
+	buildOrUpdateElements: function() {
+		var me = this;
+		var dataset = me.getDataset();
+		var data = dataset.data || (dataset.data = []);
+
+		// In order to correctly handle data addition/deletion animation (an thus simulate
+		// real-time charts), we need to monitor these data modifications and synchronize
+		// the internal meta data accordingly.
+		if (me._data !== data) {
+			if (me._data) {
+				// This case happens when the user replaced the data array instance.
+				unlistenArrayEvents(me._data, me);
+			}
+
+			if (data && Object.isExtensible(data)) {
+				listenArrayEvents(data, me);
+			}
+			me._data = data;
+		}
+
+		// Re-sync meta data in case the user replaced the data array or if we missed
+		// any updates and so make sure that we handle number of datapoints changing.
+		me.resyncElements();
+	},
+
+	/**
+	 * Returns the merged user-supplied and default dataset-level options
+	 * @private
+	 */
+	_configure: function() {
+		var me = this;
+		me._config = helpers$1.merge(Object.create(null), [
+			me.chart.options.datasets[me._type],
+			me.getDataset(),
+		], {
+			merger: function(key, target, source) {
+				if (key !== '_meta' && key !== 'data') {
+					helpers$1._merger(key, target, source);
+				}
+			}
+		});
+	},
+
+	_update: function(reset) {
+		var me = this;
+		me._configure();
+		me._cachedDataOpts = null;
+		me.update(reset);
+	},
+
+	update: helpers$1.noop,
+
+	transition: function(easingValue) {
+		var meta = this.getMeta();
+		var elements = meta.data || [];
+		var ilen = elements.length;
+		var i = 0;
+
+		for (; i < ilen; ++i) {
+			elements[i].transition(easingValue);
+		}
+
+		if (meta.dataset) {
+			meta.dataset.transition(easingValue);
+		}
+	},
+
+	draw: function() {
+		var meta = this.getMeta();
+		var elements = meta.data || [];
+		var ilen = elements.length;
+		var i = 0;
+
+		if (meta.dataset) {
+			meta.dataset.draw();
+		}
+
+		for (; i < ilen; ++i) {
+			elements[i].draw();
+		}
+	},
+
+	/**
+	 * Returns a set of predefined style properties that should be used to represent the dataset
+	 * or the data if the index is specified
+	 * @param {number} index - data index
+	 * @return {IStyleInterface} style object
+	 */
+	getStyle: function(index) {
+		var me = this;
+		var meta = me.getMeta();
+		var dataset = meta.dataset;
+		var style;
+
+		me._configure();
+		if (dataset && index === undefined) {
+			style = me._resolveDatasetElementOptions(dataset || {});
+		} else {
+			index = index || 0;
+			style = me._resolveDataElementOptions(meta.data[index] || {}, index);
+		}
+
+		if (style.fill === false || style.fill === null) {
+			style.backgroundColor = style.borderColor;
+		}
+
+		return style;
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDatasetElementOptions: function(element, hover) {
+		var me = this;
+		var chart = me.chart;
+		var datasetOpts = me._config;
+		var custom = element.custom || {};
+		var options = chart.options.elements[me.datasetElementType.prototype._type] || {};
+		var elementOptions = me._datasetElementOptions;
+		var values = {};
+		var i, ilen, key, readKey;
+
+		// Scriptable options
+		var context = {
+			chart: chart,
+			dataset: me.getDataset(),
+			datasetIndex: me.index,
+			hover: hover
+		};
+
+		for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
+			key = elementOptions[i];
+			readKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key;
+			values[key] = resolve([
+				custom[readKey],
+				datasetOpts[readKey],
+				options[readKey]
+			], context);
+		}
+
+		return values;
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDataElementOptions: function(element, index) {
+		var me = this;
+		var custom = element && element.custom;
+		var cached = me._cachedDataOpts;
+		if (cached && !custom) {
+			return cached;
+		}
+		var chart = me.chart;
+		var datasetOpts = me._config;
+		var options = chart.options.elements[me.dataElementType.prototype._type] || {};
+		var elementOptions = me._dataElementOptions;
+		var values = {};
+
+		// Scriptable options
+		var context = {
+			chart: chart,
+			dataIndex: index,
+			dataset: me.getDataset(),
+			datasetIndex: me.index
+		};
+
+		// `resolve` sets cacheable to `false` if any option is indexed or scripted
+		var info = {cacheable: !custom};
+
+		var keys, i, ilen, key;
+
+		custom = custom || {};
+
+		if (helpers$1.isArray(elementOptions)) {
+			for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
+				key = elementOptions[i];
+				values[key] = resolve([
+					custom[key],
+					datasetOpts[key],
+					options[key]
+				], context, index, info);
+			}
+		} else {
+			keys = Object.keys(elementOptions);
+			for (i = 0, ilen = keys.length; i < ilen; ++i) {
+				key = keys[i];
+				values[key] = resolve([
+					custom[key],
+					datasetOpts[elementOptions[key]],
+					datasetOpts[key],
+					options[key]
+				], context, index, info);
+			}
+		}
+
+		if (info.cacheable) {
+			me._cachedDataOpts = Object.freeze(values);
+		}
+
+		return values;
+	},
+
+	removeHoverStyle: function(element) {
+		helpers$1.merge(element._model, element.$previousStyle || {});
+		delete element.$previousStyle;
+	},
+
+	setHoverStyle: function(element) {
+		var dataset = this.chart.data.datasets[element._datasetIndex];
+		var index = element._index;
+		var custom = element.custom || {};
+		var model = element._model;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		element.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth
+		};
+
+		model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index);
+		model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index);
+		model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index);
+	},
+
+	/**
+	 * @private
+	 */
+	_removeDatasetHoverStyle: function() {
+		var element = this.getMeta().dataset;
+
+		if (element) {
+			this.removeHoverStyle(element);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_setDatasetHoverStyle: function() {
+		var element = this.getMeta().dataset;
+		var prev = {};
+		var i, ilen, key, keys, hoverOptions, model;
+
+		if (!element) {
+			return;
+		}
+
+		model = element._model;
+		hoverOptions = this._resolveDatasetElementOptions(element, true);
+
+		keys = Object.keys(hoverOptions);
+		for (i = 0, ilen = keys.length; i < ilen; ++i) {
+			key = keys[i];
+			prev[key] = model[key];
+			model[key] = hoverOptions[key];
+		}
+
+		element.$previousStyle = prev;
+	},
+
+	/**
+	 * @private
+	 */
+	resyncElements: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var data = me.getDataset().data;
+		var numMeta = meta.data.length;
+		var numData = data.length;
+
+		if (numData < numMeta) {
+			meta.data.splice(numData, numMeta - numData);
+		} else if (numData > numMeta) {
+			me.insertElements(numMeta, numData - numMeta);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	insertElements: function(start, count) {
+		for (var i = 0; i < count; ++i) {
+			this.addElementAndReset(start + i);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	onDataPush: function() {
+		var count = arguments.length;
+		this.insertElements(this.getDataset().data.length - count, count);
+	},
+
+	/**
+	 * @private
+	 */
+	onDataPop: function() {
+		this.getMeta().data.pop();
+	},
+
+	/**
+	 * @private
+	 */
+	onDataShift: function() {
+		this.getMeta().data.shift();
+	},
+
+	/**
+	 * @private
+	 */
+	onDataSplice: function(start, count) {
+		this.getMeta().data.splice(start, count);
+		this.insertElements(start, arguments.length - 2);
+	},
+
+	/**
+	 * @private
+	 */
+	onDataUnshift: function() {
+		this.insertElements(0, arguments.length);
+	}
+});
+
+DatasetController.extend = helpers$1.inherits;
+
+var core_datasetController = DatasetController;
+
+var TAU = Math.PI * 2;
+
+core_defaults._set('global', {
+	elements: {
+		arc: {
+			backgroundColor: core_defaults.global.defaultColor,
+			borderColor: '#fff',
+			borderWidth: 2,
+			borderAlign: 'center'
+		}
+	}
+});
+
+function clipArc(ctx, arc) {
+	var startAngle = arc.startAngle;
+	var endAngle = arc.endAngle;
+	var pixelMargin = arc.pixelMargin;
+	var angleMargin = pixelMargin / arc.outerRadius;
+	var x = arc.x;
+	var y = arc.y;
+
+	// Draw an inner border by cliping the arc and drawing a double-width border
+	// Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders
+	ctx.beginPath();
+	ctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin);
+	if (arc.innerRadius > pixelMargin) {
+		angleMargin = pixelMargin / arc.innerRadius;
+		ctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true);
+	} else {
+		ctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2);
+	}
+	ctx.closePath();
+	ctx.clip();
+}
+
+function drawFullCircleBorders(ctx, vm, arc, inner) {
+	var endAngle = arc.endAngle;
+	var i;
+
+	if (inner) {
+		arc.endAngle = arc.startAngle + TAU;
+		clipArc(ctx, arc);
+		arc.endAngle = endAngle;
+		if (arc.endAngle === arc.startAngle && arc.fullCircles) {
+			arc.endAngle += TAU;
+			arc.fullCircles--;
+		}
+	}
+
+	ctx.beginPath();
+	ctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true);
+	for (i = 0; i < arc.fullCircles; ++i) {
+		ctx.stroke();
+	}
+
+	ctx.beginPath();
+	ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU);
+	for (i = 0; i < arc.fullCircles; ++i) {
+		ctx.stroke();
+	}
+}
+
+function drawBorder(ctx, vm, arc) {
+	var inner = vm.borderAlign === 'inner';
+
+	if (inner) {
+		ctx.lineWidth = vm.borderWidth * 2;
+		ctx.lineJoin = 'round';
+	} else {
+		ctx.lineWidth = vm.borderWidth;
+		ctx.lineJoin = 'bevel';
+	}
+
+	if (arc.fullCircles) {
+		drawFullCircleBorders(ctx, vm, arc, inner);
+	}
+
+	if (inner) {
+		clipArc(ctx, arc);
+	}
+
+	ctx.beginPath();
+	ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle);
+	ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+	ctx.closePath();
+	ctx.stroke();
+}
+
+var element_arc = core_element.extend({
+	_type: 'arc',
+
+	inLabelRange: function(mouseX) {
+		var vm = this._view;
+
+		if (vm) {
+			return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
+		}
+		return false;
+	},
+
+	inRange: function(chartX, chartY) {
+		var vm = this._view;
+
+		if (vm) {
+			var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY});
+			var angle = pointRelativePosition.angle;
+			var distance = pointRelativePosition.distance;
+
+			// Sanitise angle range
+			var startAngle = vm.startAngle;
+			var endAngle = vm.endAngle;
+			while (endAngle < startAngle) {
+				endAngle += TAU;
+			}
+			while (angle > endAngle) {
+				angle -= TAU;
+			}
+			while (angle < startAngle) {
+				angle += TAU;
+			}
+
+			// Check if within the range of the open/close angle
+			var betweenAngles = (angle >= startAngle && angle <= endAngle);
+			var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);
+
+			return (betweenAngles && withinRadius);
+		}
+		return false;
+	},
+
+	getCenterPoint: function() {
+		var vm = this._view;
+		var halfAngle = (vm.startAngle + vm.endAngle) / 2;
+		var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;
+		return {
+			x: vm.x + Math.cos(halfAngle) * halfRadius,
+			y: vm.y + Math.sin(halfAngle) * halfRadius
+		};
+	},
+
+	getArea: function() {
+		var vm = this._view;
+		return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));
+	},
+
+	tooltipPosition: function() {
+		var vm = this._view;
+		var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);
+		var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
+
+		return {
+			x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
+			y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
+		};
+	},
+
+	draw: function() {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+		var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0;
+		var arc = {
+			x: vm.x,
+			y: vm.y,
+			innerRadius: vm.innerRadius,
+			outerRadius: Math.max(vm.outerRadius - pixelMargin, 0),
+			pixelMargin: pixelMargin,
+			startAngle: vm.startAngle,
+			endAngle: vm.endAngle,
+			fullCircles: Math.floor(vm.circumference / TAU)
+		};
+		var i;
+
+		ctx.save();
+
+		ctx.fillStyle = vm.backgroundColor;
+		ctx.strokeStyle = vm.borderColor;
+
+		if (arc.fullCircles) {
+			arc.endAngle = arc.startAngle + TAU;
+			ctx.beginPath();
+			ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
+			ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+			ctx.closePath();
+			for (i = 0; i < arc.fullCircles; ++i) {
+				ctx.fill();
+			}
+			arc.endAngle = arc.startAngle + vm.circumference % TAU;
+		}
+
+		ctx.beginPath();
+		ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
+		ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+		ctx.closePath();
+		ctx.fill();
+
+		if (vm.borderWidth) {
+			drawBorder(ctx, vm, arc);
+		}
+
+		ctx.restore();
+	}
+});
+
+var valueOrDefault$1 = helpers$1.valueOrDefault;
+
+var defaultColor = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+	elements: {
+		line: {
+			tension: 0.4,
+			backgroundColor: defaultColor,
+			borderWidth: 3,
+			borderColor: defaultColor,
+			borderCapStyle: 'butt',
+			borderDash: [],
+			borderDashOffset: 0.0,
+			borderJoinStyle: 'miter',
+			capBezierPoints: true,
+			fill: true, // do we fill in the area between the line and its base axis
+		}
+	}
+});
+
+var element_line = core_element.extend({
+	_type: 'line',
+
+	draw: function() {
+		var me = this;
+		var vm = me._view;
+		var ctx = me._chart.ctx;
+		var spanGaps = vm.spanGaps;
+		var points = me._children.slice(); // clone array
+		var globalDefaults = core_defaults.global;
+		var globalOptionLineElements = globalDefaults.elements.line;
+		var lastDrawnIndex = -1;
+		var closePath = me._loop;
+		var index, previous, currentVM;
+
+		if (!points.length) {
+			return;
+		}
+
+		if (me._loop) {
+			for (index = 0; index < points.length; ++index) {
+				previous = helpers$1.previousItem(points, index);
+				// If the line has an open path, shift the point array
+				if (!points[index]._view.skip && previous._view.skip) {
+					points = points.slice(index).concat(points.slice(0, index));
+					closePath = spanGaps;
+					break;
+				}
+			}
+			// If the line has a close path, add the first point again
+			if (closePath) {
+				points.push(points[0]);
+			}
+		}
+
+		ctx.save();
+
+		// Stroke Line Options
+		ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;
+
+		// IE 9 and 10 do not support line dash
+		if (ctx.setLineDash) {
+			ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);
+		}
+
+		ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset);
+		ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;
+		ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth);
+		ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;
+
+		// Stroke Line
+		ctx.beginPath();
+
+		// First point moves to it's starting position no matter what
+		currentVM = points[0]._view;
+		if (!currentVM.skip) {
+			ctx.moveTo(currentVM.x, currentVM.y);
+			lastDrawnIndex = 0;
+		}
+
+		for (index = 1; index < points.length; ++index) {
+			currentVM = points[index]._view;
+			previous = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex];
+
+			if (!currentVM.skip) {
+				if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {
+					// There was a gap and this is the first point after the gap
+					ctx.moveTo(currentVM.x, currentVM.y);
+				} else {
+					// Line to next point
+					helpers$1.canvas.lineTo(ctx, previous._view, currentVM);
+				}
+				lastDrawnIndex = index;
+			}
+		}
+
+		if (closePath) {
+			ctx.closePath();
+		}
+
+		ctx.stroke();
+		ctx.restore();
+	}
+});
+
+var valueOrDefault$2 = helpers$1.valueOrDefault;
+
+var defaultColor$1 = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+	elements: {
+		point: {
+			radius: 3,
+			pointStyle: 'circle',
+			backgroundColor: defaultColor$1,
+			borderColor: defaultColor$1,
+			borderWidth: 1,
+			// Hover
+			hitRadius: 1,
+			hoverRadius: 4,
+			hoverBorderWidth: 1
+		}
+	}
+});
+
+function xRange(mouseX) {
+	var vm = this._view;
+	return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;
+}
+
+function yRange(mouseY) {
+	var vm = this._view;
+	return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;
+}
+
+var element_point = core_element.extend({
+	_type: 'point',
+
+	inRange: function(mouseX, mouseY) {
+		var vm = this._view;
+		return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;
+	},
+
+	inLabelRange: xRange,
+	inXRange: xRange,
+	inYRange: yRange,
+
+	getCenterPoint: function() {
+		var vm = this._view;
+		return {
+			x: vm.x,
+			y: vm.y
+		};
+	},
+
+	getArea: function() {
+		return Math.PI * Math.pow(this._view.radius, 2);
+	},
+
+	tooltipPosition: function() {
+		var vm = this._view;
+		return {
+			x: vm.x,
+			y: vm.y,
+			padding: vm.radius + vm.borderWidth
+		};
+	},
+
+	draw: function(chartArea) {
+		var vm = this._view;
+		var ctx = this._chart.ctx;
+		var pointStyle = vm.pointStyle;
+		var rotation = vm.rotation;
+		var radius = vm.radius;
+		var x = vm.x;
+		var y = vm.y;
+		var globalDefaults = core_defaults.global;
+		var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow
+
+		if (vm.skip) {
+			return;
+		}
+
+		// Clipping for Points.
+		if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) {
+			ctx.strokeStyle = vm.borderColor || defaultColor;
+			ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth);
+			ctx.fillStyle = vm.backgroundColor || defaultColor;
+			helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation);
+		}
+	}
+});
+
+var defaultColor$2 = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+	elements: {
+		rectangle: {
+			backgroundColor: defaultColor$2,
+			borderColor: defaultColor$2,
+			borderSkipped: 'bottom',
+			borderWidth: 0
+		}
+	}
+});
+
+function isVertical(vm) {
+	return vm && vm.width !== undefined;
+}
+
+/**
+ * Helper function to get the bounds of the bar regardless of the orientation
+ * @param bar {Chart.Element.Rectangle} the bar
+ * @return {Bounds} bounds of the bar
+ * @private
+ */
+function getBarBounds(vm) {
+	var x1, x2, y1, y2, half;
+
+	if (isVertical(vm)) {
+		half = vm.width / 2;
+		x1 = vm.x - half;
+		x2 = vm.x + half;
+		y1 = Math.min(vm.y, vm.base);
+		y2 = Math.max(vm.y, vm.base);
+	} else {
+		half = vm.height / 2;
+		x1 = Math.min(vm.x, vm.base);
+		x2 = Math.max(vm.x, vm.base);
+		y1 = vm.y - half;
+		y2 = vm.y + half;
+	}
+
+	return {
+		left: x1,
+		top: y1,
+		right: x2,
+		bottom: y2
+	};
+}
+
+function swap(orig, v1, v2) {
+	return orig === v1 ? v2 : orig === v2 ? v1 : orig;
+}
+
+function parseBorderSkipped(vm) {
+	var edge = vm.borderSkipped;
+	var res = {};
+
+	if (!edge) {
+		return res;
+	}
+
+	if (vm.horizontal) {
+		if (vm.base > vm.x) {
+			edge = swap(edge, 'left', 'right');
+		}
+	} else if (vm.base < vm.y) {
+		edge = swap(edge, 'bottom', 'top');
+	}
+
+	res[edge] = true;
+	return res;
+}
+
+function parseBorderWidth(vm, maxW, maxH) {
+	var value = vm.borderWidth;
+	var skip = parseBorderSkipped(vm);
+	var t, r, b, l;
+
+	if (helpers$1.isObject(value)) {
+		t = +value.top || 0;
+		r = +value.right || 0;
+		b = +value.bottom || 0;
+		l = +value.left || 0;
+	} else {
+		t = r = b = l = +value || 0;
+	}
+
+	return {
+		t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t,
+		r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r,
+		b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b,
+		l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l
+	};
+}
+
+function boundingRects(vm) {
+	var bounds = getBarBounds(vm);
+	var width = bounds.right - bounds.left;
+	var height = bounds.bottom - bounds.top;
+	var border = parseBorderWidth(vm, width / 2, height / 2);
+
+	return {
+		outer: {
+			x: bounds.left,
+			y: bounds.top,
+			w: width,
+			h: height
+		},
+		inner: {
+			x: bounds.left + border.l,
+			y: bounds.top + border.t,
+			w: width - border.l - border.r,
+			h: height - border.t - border.b
+		}
+	};
+}
+
+function inRange(vm, x, y) {
+	var skipX = x === null;
+	var skipY = y === null;
+	var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm);
+
+	return bounds
+		&& (skipX || x >= bounds.left && x <= bounds.right)
+		&& (skipY || y >= bounds.top && y <= bounds.bottom);
+}
+
+var element_rectangle = core_element.extend({
+	_type: 'rectangle',
+
+	draw: function() {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+		var rects = boundingRects(vm);
+		var outer = rects.outer;
+		var inner = rects.inner;
+
+		ctx.fillStyle = vm.backgroundColor;
+		ctx.fillRect(outer.x, outer.y, outer.w, outer.h);
+
+		if (outer.w === inner.w && outer.h === inner.h) {
+			return;
+		}
+
+		ctx.save();
+		ctx.beginPath();
+		ctx.rect(outer.x, outer.y, outer.w, outer.h);
+		ctx.clip();
+		ctx.fillStyle = vm.borderColor;
+		ctx.rect(inner.x, inner.y, inner.w, inner.h);
+		ctx.fill('evenodd');
+		ctx.restore();
+	},
+
+	height: function() {
+		var vm = this._view;
+		return vm.base - vm.y;
+	},
+
+	inRange: function(mouseX, mouseY) {
+		return inRange(this._view, mouseX, mouseY);
+	},
+
+	inLabelRange: function(mouseX, mouseY) {
+		var vm = this._view;
+		return isVertical(vm)
+			? inRange(vm, mouseX, null)
+			: inRange(vm, null, mouseY);
+	},
+
+	inXRange: function(mouseX) {
+		return inRange(this._view, mouseX, null);
+	},
+
+	inYRange: function(mouseY) {
+		return inRange(this._view, null, mouseY);
+	},
+
+	getCenterPoint: function() {
+		var vm = this._view;
+		var x, y;
+		if (isVertical(vm)) {
+			x = vm.x;
+			y = (vm.y + vm.base) / 2;
+		} else {
+			x = (vm.x + vm.base) / 2;
+			y = vm.y;
+		}
+
+		return {x: x, y: y};
+	},
+
+	getArea: function() {
+		var vm = this._view;
+
+		return isVertical(vm)
+			? vm.width * Math.abs(vm.y - vm.base)
+			: vm.height * Math.abs(vm.x - vm.base);
+	},
+
+	tooltipPosition: function() {
+		var vm = this._view;
+		return {
+			x: vm.x,
+			y: vm.y
+		};
+	}
+});
+
+var elements = {};
+var Arc = element_arc;
+var Line = element_line;
+var Point = element_point;
+var Rectangle = element_rectangle;
+elements.Arc = Arc;
+elements.Line = Line;
+elements.Point = Point;
+elements.Rectangle = Rectangle;
+
+var deprecated = helpers$1._deprecated;
+var valueOrDefault$3 = helpers$1.valueOrDefault;
+
+core_defaults._set('bar', {
+	hover: {
+		mode: 'label'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'category',
+			offset: true,
+			gridLines: {
+				offsetGridLines: true
+			}
+		}],
+
+		yAxes: [{
+			type: 'linear'
+		}]
+	}
+});
+
+core_defaults._set('global', {
+	datasets: {
+		bar: {
+			categoryPercentage: 0.8,
+			barPercentage: 0.9
+		}
+	}
+});
+
+/**
+ * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap.
+ * @private
+ */
+function computeMinSampleSize(scale, pixels) {
+	var min = scale._length;
+	var prev, curr, i, ilen;
+
+	for (i = 1, ilen = pixels.length; i < ilen; ++i) {
+		min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1]));
+	}
+
+	for (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) {
+		curr = scale.getPixelForTick(i);
+		min = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min;
+		prev = curr;
+	}
+
+	return min;
+}
+
+/**
+ * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null,
+ * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This
+ * mode currently always generates bars equally sized (until we introduce scriptable options?).
+ * @private
+ */
+function computeFitCategoryTraits(index, ruler, options) {
+	var thickness = options.barThickness;
+	var count = ruler.stackCount;
+	var curr = ruler.pixels[index];
+	var min = helpers$1.isNullOrUndef(thickness)
+		? computeMinSampleSize(ruler.scale, ruler.pixels)
+		: -1;
+	var size, ratio;
+
+	if (helpers$1.isNullOrUndef(thickness)) {
+		size = min * options.categoryPercentage;
+		ratio = options.barPercentage;
+	} else {
+		// When bar thickness is enforced, category and bar percentages are ignored.
+		// Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%')
+		// and deprecate barPercentage since this value is ignored when thickness is absolute.
+		size = thickness * count;
+		ratio = 1;
+	}
+
+	return {
+		chunk: size / count,
+		ratio: ratio,
+		start: curr - (size / 2)
+	};
+}
+
+/**
+ * Computes an "optimal" category that globally arranges bars side by side (no gap when
+ * percentage options are 1), based on the previous and following categories. This mode
+ * generates bars with different widths when data are not evenly spaced.
+ * @private
+ */
+function computeFlexCategoryTraits(index, ruler, options) {
+	var pixels = ruler.pixels;
+	var curr = pixels[index];
+	var prev = index > 0 ? pixels[index - 1] : null;
+	var next = index < pixels.length - 1 ? pixels[index + 1] : null;
+	var percent = options.categoryPercentage;
+	var start, size;
+
+	if (prev === null) {
+		// first data: its size is double based on the next point or,
+		// if it's also the last data, we use the scale size.
+		prev = curr - (next === null ? ruler.end - ruler.start : next - curr);
+	}
+
+	if (next === null) {
+		// last data: its size is also double based on the previous point.
+		next = curr + curr - prev;
+	}
+
+	start = curr - (curr - Math.min(prev, next)) / 2 * percent;
+	size = Math.abs(next - prev) / 2 * percent;
+
+	return {
+		chunk: size / ruler.stackCount,
+		ratio: options.barPercentage,
+		start: start
+	};
+}
+
+var controller_bar = core_datasetController.extend({
+
+	dataElementType: elements.Rectangle,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderSkipped',
+		'borderWidth',
+		'barPercentage',
+		'barThickness',
+		'categoryPercentage',
+		'maxBarThickness',
+		'minBarLength'
+	],
+
+	initialize: function() {
+		var me = this;
+		var meta, scaleOpts;
+
+		core_datasetController.prototype.initialize.apply(me, arguments);
+
+		meta = me.getMeta();
+		meta.stack = me.getDataset().stack;
+		meta.bar = true;
+
+		scaleOpts = me._getIndexScale().options;
+		deprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage');
+		deprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness');
+		deprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage');
+		deprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength');
+		deprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness');
+	},
+
+	update: function(reset) {
+		var me = this;
+		var rects = me.getMeta().data;
+		var i, ilen;
+
+		me._ruler = me.getRuler();
+
+		for (i = 0, ilen = rects.length; i < ilen; ++i) {
+			me.updateElement(rects[i], i, reset);
+		}
+	},
+
+	updateElement: function(rectangle, index, reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var dataset = me.getDataset();
+		var options = me._resolveDataElementOptions(rectangle, index);
+
+		rectangle._xScale = me.getScaleForId(meta.xAxisID);
+		rectangle._yScale = me.getScaleForId(meta.yAxisID);
+		rectangle._datasetIndex = me.index;
+		rectangle._index = index;
+		rectangle._model = {
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderSkipped: options.borderSkipped,
+			borderWidth: options.borderWidth,
+			datasetLabel: dataset.label,
+			label: me.chart.data.labels[index]
+		};
+
+		if (helpers$1.isArray(dataset.data[index])) {
+			rectangle._model.borderSkipped = null;
+		}
+
+		me._updateElementGeometry(rectangle, index, reset, options);
+
+		rectangle.pivot();
+	},
+
+	/**
+	 * @private
+	 */
+	_updateElementGeometry: function(rectangle, index, reset, options) {
+		var me = this;
+		var model = rectangle._model;
+		var vscale = me._getValueScale();
+		var base = vscale.getBasePixel();
+		var horizontal = vscale.isHorizontal();
+		var ruler = me._ruler || me.getRuler();
+		var vpixels = me.calculateBarValuePixels(me.index, index, options);
+		var ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options);
+
+		model.horizontal = horizontal;
+		model.base = reset ? base : vpixels.base;
+		model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;
+		model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;
+		model.height = horizontal ? ipixels.size : undefined;
+		model.width = horizontal ? undefined : ipixels.size;
+	},
+
+	/**
+	 * Returns the stacks based on groups and bar visibility.
+	 * @param {number} [last] - The dataset index
+	 * @returns {string[]} The list of stack IDs
+	 * @private
+	 */
+	_getStacks: function(last) {
+		var me = this;
+		var scale = me._getIndexScale();
+		var metasets = scale._getMatchingVisibleMetas(me._type);
+		var stacked = scale.options.stacked;
+		var ilen = metasets.length;
+		var stacks = [];
+		var i, meta;
+
+		for (i = 0; i < ilen; ++i) {
+			meta = metasets[i];
+			// stacked   | meta.stack
+			//           | found | not found | undefined
+			// false     |   x   |     x     |     x
+			// true      |       |     x     |
+			// undefined |       |     x     |     x
+			if (stacked === false || stacks.indexOf(meta.stack) === -1 ||
+				(stacked === undefined && meta.stack === undefined)) {
+				stacks.push(meta.stack);
+			}
+			if (meta.index === last) {
+				break;
+			}
+		}
+
+		return stacks;
+	},
+
+	/**
+	 * Returns the effective number of stacks based on groups and bar visibility.
+	 * @private
+	 */
+	getStackCount: function() {
+		return this._getStacks().length;
+	},
+
+	/**
+	 * Returns the stack index for the given dataset based on groups and bar visibility.
+	 * @param {number} [datasetIndex] - The dataset index
+	 * @param {string} [name] - The stack name to find
+	 * @returns {number} The stack index
+	 * @private
+	 */
+	getStackIndex: function(datasetIndex, name) {
+		var stacks = this._getStacks(datasetIndex);
+		var index = (name !== undefined)
+			? stacks.indexOf(name)
+			: -1; // indexOf returns -1 if element is not present
+
+		return (index === -1)
+			? stacks.length - 1
+			: index;
+	},
+
+	/**
+	 * @private
+	 */
+	getRuler: function() {
+		var me = this;
+		var scale = me._getIndexScale();
+		var pixels = [];
+		var i, ilen;
+
+		for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {
+			pixels.push(scale.getPixelForValue(null, i, me.index));
+		}
+
+		return {
+			pixels: pixels,
+			start: scale._startPixel,
+			end: scale._endPixel,
+			stackCount: me.getStackCount(),
+			scale: scale
+		};
+	},
+
+	/**
+	 * Note: pixel values are not clamped to the scale area.
+	 * @private
+	 */
+	calculateBarValuePixels: function(datasetIndex, index, options) {
+		var me = this;
+		var chart = me.chart;
+		var scale = me._getValueScale();
+		var isHorizontal = scale.isHorizontal();
+		var datasets = chart.data.datasets;
+		var metasets = scale._getMatchingVisibleMetas(me._type);
+		var value = scale._parseValue(datasets[datasetIndex].data[index]);
+		var minBarLength = options.minBarLength;
+		var stacked = scale.options.stacked;
+		var stack = me.getMeta().stack;
+		var start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max;
+		var length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max;
+		var ilen = metasets.length;
+		var i, imeta, ivalue, base, head, size, stackLength;
+
+		if (stacked || (stacked === undefined && stack !== undefined)) {
+			for (i = 0; i < ilen; ++i) {
+				imeta = metasets[i];
+
+				if (imeta.index === datasetIndex) {
+					break;
+				}
+
+				if (imeta.stack === stack) {
+					stackLength = scale._parseValue(datasets[imeta.index].data[index]);
+					ivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min;
+
+					if ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) {
+						start += ivalue;
+					}
+				}
+			}
+		}
+
+		base = scale.getPixelForValue(start);
+		head = scale.getPixelForValue(start + length);
+		size = head - base;
+
+		if (minBarLength !== undefined && Math.abs(size) < minBarLength) {
+			size = minBarLength;
+			if (length >= 0 && !isHorizontal || length < 0 && isHorizontal) {
+				head = base - minBarLength;
+			} else {
+				head = base + minBarLength;
+			}
+		}
+
+		return {
+			size: size,
+			base: base,
+			head: head,
+			center: head + size / 2
+		};
+	},
+
+	/**
+	 * @private
+	 */
+	calculateBarIndexPixels: function(datasetIndex, index, ruler, options) {
+		var me = this;
+		var range = options.barThickness === 'flex'
+			? computeFlexCategoryTraits(index, ruler, options)
+			: computeFitCategoryTraits(index, ruler, options);
+
+		var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack);
+		var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);
+		var size = Math.min(
+			valueOrDefault$3(options.maxBarThickness, Infinity),
+			range.chunk * range.ratio);
+
+		return {
+			base: center - size / 2,
+			head: center + size / 2,
+			center: center,
+			size: size
+		};
+	},
+
+	draw: function() {
+		var me = this;
+		var chart = me.chart;
+		var scale = me._getValueScale();
+		var rects = me.getMeta().data;
+		var dataset = me.getDataset();
+		var ilen = rects.length;
+		var i = 0;
+
+		helpers$1.canvas.clipArea(chart.ctx, chart.chartArea);
+
+		for (; i < ilen; ++i) {
+			var val = scale._parseValue(dataset.data[i]);
+			if (!isNaN(val.min) && !isNaN(val.max)) {
+				rects[i].draw();
+			}
+		}
+
+		helpers$1.canvas.unclipArea(chart.ctx);
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDataElementOptions: function() {
+		var me = this;
+		var values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments));
+		var indexOpts = me._getIndexScale().options;
+		var valueOpts = me._getValueScale().options;
+
+		values.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage);
+		values.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness);
+		values.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage);
+		values.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness);
+		values.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength);
+
+		return values;
+	}
+
+});
+
+var valueOrDefault$4 = helpers$1.valueOrDefault;
+var resolve$1 = helpers$1.options.resolve;
+
+core_defaults._set('bubble', {
+	hover: {
+		mode: 'single'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'linear', // bubble should probably use a linear scale by default
+			position: 'bottom',
+			id: 'x-axis-0' // need an ID so datasets can reference the scale
+		}],
+		yAxes: [{
+			type: 'linear',
+			position: 'left',
+			id: 'y-axis-0'
+		}]
+	},
+
+	tooltips: {
+		callbacks: {
+			title: function() {
+				// Title doesn't make sense for scatter since we format the data as a point
+				return '';
+			},
+			label: function(item, data) {
+				var datasetLabel = data.datasets[item.datasetIndex].label || '';
+				var dataPoint = data.datasets[item.datasetIndex].data[item.index];
+				return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';
+			}
+		}
+	}
+});
+
+var controller_bubble = core_datasetController.extend({
+	/**
+	 * @protected
+	 */
+	dataElementType: elements.Point,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'hoverBackgroundColor',
+		'hoverBorderColor',
+		'hoverBorderWidth',
+		'hoverRadius',
+		'hitRadius',
+		'pointStyle',
+		'rotation'
+	],
+
+	/**
+	 * @protected
+	 */
+	update: function(reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var points = meta.data;
+
+		// Update Points
+		helpers$1.each(points, function(point, index) {
+			me.updateElement(point, index, reset);
+		});
+	},
+
+	/**
+	 * @protected
+	 */
+	updateElement: function(point, index, reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var custom = point.custom || {};
+		var xScale = me.getScaleForId(meta.xAxisID);
+		var yScale = me.getScaleForId(meta.yAxisID);
+		var options = me._resolveDataElementOptions(point, index);
+		var data = me.getDataset().data[index];
+		var dsIndex = me.index;
+
+		var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);
+		var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);
+
+		point._xScale = xScale;
+		point._yScale = yScale;
+		point._options = options;
+		point._datasetIndex = dsIndex;
+		point._index = index;
+		point._model = {
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderWidth: options.borderWidth,
+			hitRadius: options.hitRadius,
+			pointStyle: options.pointStyle,
+			rotation: options.rotation,
+			radius: reset ? 0 : options.radius,
+			skip: custom.skip || isNaN(x) || isNaN(y),
+			x: x,
+			y: y,
+		};
+
+		point.pivot();
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(point) {
+		var model = point._model;
+		var options = point._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		point.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+			radius: model.radius
+		};
+
+		model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth);
+		model.radius = options.radius + options.hoverRadius;
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDataElementOptions: function(point, index) {
+		var me = this;
+		var chart = me.chart;
+		var dataset = me.getDataset();
+		var custom = point.custom || {};
+		var data = dataset.data[index] || {};
+		var values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments);
+
+		// Scriptable options
+		var context = {
+			chart: chart,
+			dataIndex: index,
+			dataset: dataset,
+			datasetIndex: me.index
+		};
+
+		// In case values were cached (and thus frozen), we need to clone the values
+		if (me._cachedDataOpts === values) {
+			values = helpers$1.extend({}, values);
+		}
+
+		// Custom radius resolution
+		values.radius = resolve$1([
+			custom.radius,
+			data.r,
+			me._config.radius,
+			chart.options.elements.point.radius
+		], context, index);
+
+		return values;
+	}
+});
+
+var valueOrDefault$5 = helpers$1.valueOrDefault;
+
+var PI$1 = Math.PI;
+var DOUBLE_PI$1 = PI$1 * 2;
+var HALF_PI$1 = PI$1 / 2;
+
+core_defaults._set('doughnut', {
+	animation: {
+		// Boolean - Whether we animate the rotation of the Doughnut
+		animateRotate: true,
+		// Boolean - Whether we animate scaling the Doughnut from the centre
+		animateScale: false
+	},
+	hover: {
+		mode: 'single'
+	},
+	legendCallback: function(chart) {
+		var list = document.createElement('ul');
+		var data = chart.data;
+		var datasets = data.datasets;
+		var labels = data.labels;
+		var i, ilen, listItem, listItemSpan;
+
+		list.setAttribute('class', chart.id + '-legend');
+		if (datasets.length) {
+			for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
+				listItem = list.appendChild(document.createElement('li'));
+				listItemSpan = listItem.appendChild(document.createElement('span'));
+				listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
+				if (labels[i]) {
+					listItem.appendChild(document.createTextNode(labels[i]));
+				}
+			}
+		}
+
+		return list.outerHTML;
+	},
+	legend: {
+		labels: {
+			generateLabels: function(chart) {
+				var data = chart.data;
+				if (data.labels.length && data.datasets.length) {
+					return data.labels.map(function(label, i) {
+						var meta = chart.getDatasetMeta(0);
+						var style = meta.controller.getStyle(i);
+
+						return {
+							text: label,
+							fillStyle: style.backgroundColor,
+							strokeStyle: style.borderColor,
+							lineWidth: style.borderWidth,
+							hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
+
+							// Extra data used for toggling the correct item
+							index: i
+						};
+					});
+				}
+				return [];
+			}
+		},
+
+		onClick: function(e, legendItem) {
+			var index = legendItem.index;
+			var chart = this.chart;
+			var i, ilen, meta;
+
+			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+				meta = chart.getDatasetMeta(i);
+				// toggle visibility of index if exists
+				if (meta.data[index]) {
+					meta.data[index].hidden = !meta.data[index].hidden;
+				}
+			}
+
+			chart.update();
+		}
+	},
+
+	// The percentage of the chart that we cut out of the middle.
+	cutoutPercentage: 50,
+
+	// The rotation of the chart, where the first data arc begins.
+	rotation: -HALF_PI$1,
+
+	// The total circumference of the chart.
+	circumference: DOUBLE_PI$1,
+
+	// Need to override these to give a nice default
+	tooltips: {
+		callbacks: {
+			title: function() {
+				return '';
+			},
+			label: function(tooltipItem, data) {
+				var dataLabel = data.labels[tooltipItem.index];
+				var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
+
+				if (helpers$1.isArray(dataLabel)) {
+					// show value on first line of multiline label
+					// need to clone because we are changing the value
+					dataLabel = dataLabel.slice();
+					dataLabel[0] += value;
+				} else {
+					dataLabel += value;
+				}
+
+				return dataLabel;
+			}
+		}
+	}
+});
+
+var controller_doughnut = core_datasetController.extend({
+
+	dataElementType: elements.Arc,
+
+	linkScales: helpers$1.noop,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'borderAlign',
+		'hoverBackgroundColor',
+		'hoverBorderColor',
+		'hoverBorderWidth',
+	],
+
+	// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
+	getRingIndex: function(datasetIndex) {
+		var ringIndex = 0;
+
+		for (var j = 0; j < datasetIndex; ++j) {
+			if (this.chart.isDatasetVisible(j)) {
+				++ringIndex;
+			}
+		}
+
+		return ringIndex;
+	},
+
+	update: function(reset) {
+		var me = this;
+		var chart = me.chart;
+		var chartArea = chart.chartArea;
+		var opts = chart.options;
+		var ratioX = 1;
+		var ratioY = 1;
+		var offsetX = 0;
+		var offsetY = 0;
+		var meta = me.getMeta();
+		var arcs = meta.data;
+		var cutout = opts.cutoutPercentage / 100 || 0;
+		var circumference = opts.circumference;
+		var chartWeight = me._getRingWeight(me.index);
+		var maxWidth, maxHeight, i, ilen;
+
+		// If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc
+		if (circumference < DOUBLE_PI$1) {
+			var startAngle = opts.rotation % DOUBLE_PI$1;
+			startAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0;
+			var endAngle = startAngle + circumference;
+			var startX = Math.cos(startAngle);
+			var startY = Math.sin(startAngle);
+			var endX = Math.cos(endAngle);
+			var endY = Math.sin(endAngle);
+			var contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1;
+			var contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1;
+			var contains180 = startAngle === -PI$1 || endAngle >= PI$1;
+			var contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1;
+			var minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout);
+			var minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout);
+			var maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout);
+			var maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout);
+			ratioX = (maxX - minX) / 2;
+			ratioY = (maxY - minY) / 2;
+			offsetX = -(maxX + minX) / 2;
+			offsetY = -(maxY + minY) / 2;
+		}
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
+		}
+
+		chart.borderWidth = me.getMaxBorderWidth();
+		maxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX;
+		maxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY;
+		chart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);
+		chart.innerRadius = Math.max(chart.outerRadius * cutout, 0);
+		chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1);
+		chart.offsetX = offsetX * chart.outerRadius;
+		chart.offsetY = offsetY * chart.outerRadius;
+
+		meta.total = me.calculateTotal();
+
+		me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index);
+		me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0);
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			me.updateElement(arcs[i], i, reset);
+		}
+	},
+
+	updateElement: function(arc, index, reset) {
+		var me = this;
+		var chart = me.chart;
+		var chartArea = chart.chartArea;
+		var opts = chart.options;
+		var animationOpts = opts.animation;
+		var centerX = (chartArea.left + chartArea.right) / 2;
+		var centerY = (chartArea.top + chartArea.bottom) / 2;
+		var startAngle = opts.rotation; // non reset case handled later
+		var endAngle = opts.rotation; // non reset case handled later
+		var dataset = me.getDataset();
+		var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1);
+		var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;
+		var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;
+		var options = arc._options || {};
+
+		helpers$1.extend(arc, {
+			// Utility
+			_datasetIndex: me.index,
+			_index: index,
+
+			// Desired view properties
+			_model: {
+				backgroundColor: options.backgroundColor,
+				borderColor: options.borderColor,
+				borderWidth: options.borderWidth,
+				borderAlign: options.borderAlign,
+				x: centerX + chart.offsetX,
+				y: centerY + chart.offsetY,
+				startAngle: startAngle,
+				endAngle: endAngle,
+				circumference: circumference,
+				outerRadius: outerRadius,
+				innerRadius: innerRadius,
+				label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])
+			}
+		});
+
+		var model = arc._model;
+
+		// Set correct angles if not resetting
+		if (!reset || !animationOpts.animateRotate) {
+			if (index === 0) {
+				model.startAngle = opts.rotation;
+			} else {
+				model.startAngle = me.getMeta().data[index - 1]._model.endAngle;
+			}
+
+			model.endAngle = model.startAngle + model.circumference;
+		}
+
+		arc.pivot();
+	},
+
+	calculateTotal: function() {
+		var dataset = this.getDataset();
+		var meta = this.getMeta();
+		var total = 0;
+		var value;
+
+		helpers$1.each(meta.data, function(element, index) {
+			value = dataset.data[index];
+			if (!isNaN(value) && !element.hidden) {
+				total += Math.abs(value);
+			}
+		});
+
+		/* if (total === 0) {
+			total = NaN;
+		}*/
+
+		return total;
+	},
+
+	calculateCircumference: function(value) {
+		var total = this.getMeta().total;
+		if (total > 0 && !isNaN(value)) {
+			return DOUBLE_PI$1 * (Math.abs(value) / total);
+		}
+		return 0;
+	},
+
+	// gets the max border or hover width to properly scale pie charts
+	getMaxBorderWidth: function(arcs) {
+		var me = this;
+		var max = 0;
+		var chart = me.chart;
+		var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth;
+
+		if (!arcs) {
+			// Find the outmost visible dataset
+			for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
+				if (chart.isDatasetVisible(i)) {
+					meta = chart.getDatasetMeta(i);
+					arcs = meta.data;
+					if (i !== me.index) {
+						controller = meta.controller;
+					}
+					break;
+				}
+			}
+		}
+
+		if (!arcs) {
+			return 0;
+		}
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			arc = arcs[i];
+			if (controller) {
+				controller._configure();
+				options = controller._resolveDataElementOptions(arc, i);
+			} else {
+				options = arc._options;
+			}
+			if (options.borderAlign !== 'inner') {
+				borderWidth = options.borderWidth;
+				hoverWidth = options.hoverBorderWidth;
+
+				max = borderWidth > max ? borderWidth : max;
+				max = hoverWidth > max ? hoverWidth : max;
+			}
+		}
+		return max;
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(arc) {
+		var model = arc._model;
+		var options = arc._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		arc.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+		};
+
+		model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth);
+	},
+
+	/**
+	 * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly
+	 * @private
+	 */
+	_getRingWeightOffset: function(datasetIndex) {
+		var ringWeightOffset = 0;
+
+		for (var i = 0; i < datasetIndex; ++i) {
+			if (this.chart.isDatasetVisible(i)) {
+				ringWeightOffset += this._getRingWeight(i);
+			}
+		}
+
+		return ringWeightOffset;
+	},
+
+	/**
+	 * @private
+	 */
+	_getRingWeight: function(dataSetIndex) {
+		return Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0);
+	},
+
+	/**
+	 * Returns the sum of all visibile data set weights.  This value can be 0.
+	 * @private
+	 */
+	_getVisibleDatasetWeightTotal: function() {
+		return this._getRingWeightOffset(this.chart.data.datasets.length);
+	}
+});
+
+core_defaults._set('horizontalBar', {
+	hover: {
+		mode: 'index',
+		axis: 'y'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'linear',
+			position: 'bottom'
+		}],
+
+		yAxes: [{
+			type: 'category',
+			position: 'left',
+			offset: true,
+			gridLines: {
+				offsetGridLines: true
+			}
+		}]
+	},
+
+	elements: {
+		rectangle: {
+			borderSkipped: 'left'
+		}
+	},
+
+	tooltips: {
+		mode: 'index',
+		axis: 'y'
+	}
+});
+
+core_defaults._set('global', {
+	datasets: {
+		horizontalBar: {
+			categoryPercentage: 0.8,
+			barPercentage: 0.9
+		}
+	}
+});
+
+var controller_horizontalBar = controller_bar.extend({
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.getMeta().xAxisID;
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.getMeta().yAxisID;
+	}
+});
+
+var valueOrDefault$6 = helpers$1.valueOrDefault;
+var resolve$2 = helpers$1.options.resolve;
+var isPointInArea = helpers$1.canvas._isPointInArea;
+
+core_defaults._set('line', {
+	showLines: true,
+	spanGaps: false,
+
+	hover: {
+		mode: 'label'
+	},
+
+	scales: {
+		xAxes: [{
+			type: 'category',
+			id: 'x-axis-0'
+		}],
+		yAxes: [{
+			type: 'linear',
+			id: 'y-axis-0'
+		}]
+	}
+});
+
+function scaleClip(scale, halfBorderWidth) {
+	var tickOpts = scale && scale.options.ticks || {};
+	var reverse = tickOpts.reverse;
+	var min = tickOpts.min === undefined ? halfBorderWidth : 0;
+	var max = tickOpts.max === undefined ? halfBorderWidth : 0;
+	return {
+		start: reverse ? max : min,
+		end: reverse ? min : max
+	};
+}
+
+function defaultClip(xScale, yScale, borderWidth) {
+	var halfBorderWidth = borderWidth / 2;
+	var x = scaleClip(xScale, halfBorderWidth);
+	var y = scaleClip(yScale, halfBorderWidth);
+
+	return {
+		top: y.end,
+		right: x.end,
+		bottom: y.start,
+		left: x.start
+	};
+}
+
+function toClip(value) {
+	var t, r, b, l;
+
+	if (helpers$1.isObject(value)) {
+		t = value.top;
+		r = value.right;
+		b = value.bottom;
+		l = value.left;
+	} else {
+		t = r = b = l = value;
+	}
+
+	return {
+		top: t,
+		right: r,
+		bottom: b,
+		left: l
+	};
+}
+
+
+var controller_line = core_datasetController.extend({
+
+	datasetElementType: elements.Line,
+
+	dataElementType: elements.Point,
+
+	/**
+	 * @private
+	 */
+	_datasetElementOptions: [
+		'backgroundColor',
+		'borderCapStyle',
+		'borderColor',
+		'borderDash',
+		'borderDashOffset',
+		'borderJoinStyle',
+		'borderWidth',
+		'cubicInterpolationMode',
+		'fill'
+	],
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: {
+		backgroundColor: 'pointBackgroundColor',
+		borderColor: 'pointBorderColor',
+		borderWidth: 'pointBorderWidth',
+		hitRadius: 'pointHitRadius',
+		hoverBackgroundColor: 'pointHoverBackgroundColor',
+		hoverBorderColor: 'pointHoverBorderColor',
+		hoverBorderWidth: 'pointHoverBorderWidth',
+		hoverRadius: 'pointHoverRadius',
+		pointStyle: 'pointStyle',
+		radius: 'pointRadius',
+		rotation: 'pointRotation'
+	},
+
+	update: function(reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var line = meta.dataset;
+		var points = meta.data || [];
+		var options = me.chart.options;
+		var config = me._config;
+		var showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines);
+		var i, ilen;
+
+		me._xScale = me.getScaleForId(meta.xAxisID);
+		me._yScale = me.getScaleForId(meta.yAxisID);
+
+		// Update Line
+		if (showLine) {
+			// Compatibility: If the properties are defined with only the old name, use those values
+			if (config.tension !== undefined && config.lineTension === undefined) {
+				config.lineTension = config.tension;
+			}
+
+			// Utility
+			line._scale = me._yScale;
+			line._datasetIndex = me.index;
+			// Data
+			line._children = points;
+			// Model
+			line._model = me._resolveDatasetElementOptions(line);
+
+			line.pivot();
+		}
+
+		// Update Points
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			me.updateElement(points[i], i, reset);
+		}
+
+		if (showLine && line._model.tension !== 0) {
+			me.updateBezierControlPoints();
+		}
+
+		// Now pivot the point for animation
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			points[i].pivot();
+		}
+	},
+
+	updateElement: function(point, index, reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var custom = point.custom || {};
+		var dataset = me.getDataset();
+		var datasetIndex = me.index;
+		var value = dataset.data[index];
+		var xScale = me._xScale;
+		var yScale = me._yScale;
+		var lineModel = meta.dataset._model;
+		var x, y;
+
+		var options = me._resolveDataElementOptions(point, index);
+
+		x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);
+		y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);
+
+		// Utility
+		point._xScale = xScale;
+		point._yScale = yScale;
+		point._options = options;
+		point._datasetIndex = datasetIndex;
+		point._index = index;
+
+		// Desired view properties
+		point._model = {
+			x: x,
+			y: y,
+			skip: custom.skip || isNaN(x) || isNaN(y),
+			// Appearance
+			radius: options.radius,
+			pointStyle: options.pointStyle,
+			rotation: options.rotation,
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderWidth: options.borderWidth,
+			tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0),
+			steppedLine: lineModel ? lineModel.steppedLine : false,
+			// Tooltip
+			hitRadius: options.hitRadius
+		};
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDatasetElementOptions: function(element) {
+		var me = this;
+		var config = me._config;
+		var custom = element.custom || {};
+		var options = me.chart.options;
+		var lineOptions = options.elements.line;
+		var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
+
+		// The default behavior of lines is to break at null values, according
+		// to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158
+		// This option gives lines the ability to span gaps
+		values.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps);
+		values.tension = valueOrDefault$6(config.lineTension, lineOptions.tension);
+		values.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]);
+		values.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth)));
+
+		return values;
+	},
+
+	calculatePointY: function(value, index, datasetIndex) {
+		var me = this;
+		var chart = me.chart;
+		var yScale = me._yScale;
+		var sumPos = 0;
+		var sumNeg = 0;
+		var i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen;
+
+		if (yScale.options.stacked) {
+			rightValue = +yScale.getRightValue(value);
+			metasets = chart._getSortedVisibleDatasetMetas();
+			ilen = metasets.length;
+
+			for (i = 0; i < ilen; ++i) {
+				dsMeta = metasets[i];
+				if (dsMeta.index === datasetIndex) {
+					break;
+				}
+
+				ds = chart.data.datasets[dsMeta.index];
+				if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) {
+					stackedRightValue = +yScale.getRightValue(ds.data[index]);
+					if (stackedRightValue < 0) {
+						sumNeg += stackedRightValue || 0;
+					} else {
+						sumPos += stackedRightValue || 0;
+					}
+				}
+			}
+
+			if (rightValue < 0) {
+				return yScale.getPixelForValue(sumNeg + rightValue);
+			}
+			return yScale.getPixelForValue(sumPos + rightValue);
+		}
+		return yScale.getPixelForValue(value);
+	},
+
+	updateBezierControlPoints: function() {
+		var me = this;
+		var chart = me.chart;
+		var meta = me.getMeta();
+		var lineModel = meta.dataset._model;
+		var area = chart.chartArea;
+		var points = meta.data || [];
+		var i, ilen, model, controlPoints;
+
+		// Only consider points that are drawn in case the spanGaps option is used
+		if (lineModel.spanGaps) {
+			points = points.filter(function(pt) {
+				return !pt._model.skip;
+			});
+		}
+
+		function capControlPoint(pt, min, max) {
+			return Math.max(Math.min(pt, max), min);
+		}
+
+		if (lineModel.cubicInterpolationMode === 'monotone') {
+			helpers$1.splineCurveMonotone(points);
+		} else {
+			for (i = 0, ilen = points.length; i < ilen; ++i) {
+				model = points[i]._model;
+				controlPoints = helpers$1.splineCurve(
+					helpers$1.previousItem(points, i)._model,
+					model,
+					helpers$1.nextItem(points, i)._model,
+					lineModel.tension
+				);
+				model.controlPointPreviousX = controlPoints.previous.x;
+				model.controlPointPreviousY = controlPoints.previous.y;
+				model.controlPointNextX = controlPoints.next.x;
+				model.controlPointNextY = controlPoints.next.y;
+			}
+		}
+
+		if (chart.options.elements.line.capBezierPoints) {
+			for (i = 0, ilen = points.length; i < ilen; ++i) {
+				model = points[i]._model;
+				if (isPointInArea(model, area)) {
+					if (i > 0 && isPointInArea(points[i - 1]._model, area)) {
+						model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);
+						model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);
+					}
+					if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) {
+						model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);
+						model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);
+					}
+				}
+			}
+		}
+	},
+
+	draw: function() {
+		var me = this;
+		var chart = me.chart;
+		var meta = me.getMeta();
+		var points = meta.data || [];
+		var area = chart.chartArea;
+		var canvas = chart.canvas;
+		var i = 0;
+		var ilen = points.length;
+		var clip;
+
+		if (me._showLine) {
+			clip = meta.dataset._model.clip;
+
+			helpers$1.canvas.clipArea(chart.ctx, {
+				left: clip.left === false ? 0 : area.left - clip.left,
+				right: clip.right === false ? canvas.width : area.right + clip.right,
+				top: clip.top === false ? 0 : area.top - clip.top,
+				bottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom
+			});
+
+			meta.dataset.draw();
+
+			helpers$1.canvas.unclipArea(chart.ctx);
+		}
+
+		// Draw the points
+		for (; i < ilen; ++i) {
+			points[i].draw(area);
+		}
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(point) {
+		var model = point._model;
+		var options = point._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		point.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+			radius: model.radius
+		};
+
+		model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth);
+		model.radius = valueOrDefault$6(options.hoverRadius, options.radius);
+	},
+});
+
+var resolve$3 = helpers$1.options.resolve;
+
+core_defaults._set('polarArea', {
+	scale: {
+		type: 'radialLinear',
+		angleLines: {
+			display: false
+		},
+		gridLines: {
+			circular: true
+		},
+		pointLabels: {
+			display: false
+		},
+		ticks: {
+			beginAtZero: true
+		}
+	},
+
+	// Boolean - Whether to animate the rotation of the chart
+	animation: {
+		animateRotate: true,
+		animateScale: true
+	},
+
+	startAngle: -0.5 * Math.PI,
+	legendCallback: function(chart) {
+		var list = document.createElement('ul');
+		var data = chart.data;
+		var datasets = data.datasets;
+		var labels = data.labels;
+		var i, ilen, listItem, listItemSpan;
+
+		list.setAttribute('class', chart.id + '-legend');
+		if (datasets.length) {
+			for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
+				listItem = list.appendChild(document.createElement('li'));
+				listItemSpan = listItem.appendChild(document.createElement('span'));
+				listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
+				if (labels[i]) {
+					listItem.appendChild(document.createTextNode(labels[i]));
+				}
+			}
+		}
+
+		return list.outerHTML;
+	},
+	legend: {
+		labels: {
+			generateLabels: function(chart) {
+				var data = chart.data;
+				if (data.labels.length && data.datasets.length) {
+					return data.labels.map(function(label, i) {
+						var meta = chart.getDatasetMeta(0);
+						var style = meta.controller.getStyle(i);
+
+						return {
+							text: label,
+							fillStyle: style.backgroundColor,
+							strokeStyle: style.borderColor,
+							lineWidth: style.borderWidth,
+							hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
+
+							// Extra data used for toggling the correct item
+							index: i
+						};
+					});
+				}
+				return [];
+			}
+		},
+
+		onClick: function(e, legendItem) {
+			var index = legendItem.index;
+			var chart = this.chart;
+			var i, ilen, meta;
+
+			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+				meta = chart.getDatasetMeta(i);
+				meta.data[index].hidden = !meta.data[index].hidden;
+			}
+
+			chart.update();
+		}
+	},
+
+	// Need to override these to give a nice default
+	tooltips: {
+		callbacks: {
+			title: function() {
+				return '';
+			},
+			label: function(item, data) {
+				return data.labels[item.index] + ': ' + item.yLabel;
+			}
+		}
+	}
+});
+
+var controller_polarArea = core_datasetController.extend({
+
+	dataElementType: elements.Arc,
+
+	linkScales: helpers$1.noop,
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: [
+		'backgroundColor',
+		'borderColor',
+		'borderWidth',
+		'borderAlign',
+		'hoverBackgroundColor',
+		'hoverBorderColor',
+		'hoverBorderWidth',
+	],
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	update: function(reset) {
+		var me = this;
+		var dataset = me.getDataset();
+		var meta = me.getMeta();
+		var start = me.chart.options.startAngle || 0;
+		var starts = me._starts = [];
+		var angles = me._angles = [];
+		var arcs = meta.data;
+		var i, ilen, angle;
+
+		me._updateRadius();
+
+		meta.count = me.countVisibleElements();
+
+		for (i = 0, ilen = dataset.data.length; i < ilen; i++) {
+			starts[i] = start;
+			angle = me._computeAngle(i);
+			angles[i] = angle;
+			start += angle;
+		}
+
+		for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+			arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
+			me.updateElement(arcs[i], i, reset);
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_updateRadius: function() {
+		var me = this;
+		var chart = me.chart;
+		var chartArea = chart.chartArea;
+		var opts = chart.options;
+		var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
+
+		chart.outerRadius = Math.max(minSize / 2, 0);
+		chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
+		chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();
+
+		me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);
+		me.innerRadius = me.outerRadius - chart.radiusLength;
+	},
+
+	updateElement: function(arc, index, reset) {
+		var me = this;
+		var chart = me.chart;
+		var dataset = me.getDataset();
+		var opts = chart.options;
+		var animationOpts = opts.animation;
+		var scale = chart.scale;
+		var labels = chart.data.labels;
+
+		var centerX = scale.xCenter;
+		var centerY = scale.yCenter;
+
+		// var negHalfPI = -0.5 * Math.PI;
+		var datasetStartAngle = opts.startAngle;
+		var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
+		var startAngle = me._starts[index];
+		var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]);
+
+		var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
+		var options = arc._options || {};
+
+		helpers$1.extend(arc, {
+			// Utility
+			_datasetIndex: me.index,
+			_index: index,
+			_scale: scale,
+
+			// Desired view properties
+			_model: {
+				backgroundColor: options.backgroundColor,
+				borderColor: options.borderColor,
+				borderWidth: options.borderWidth,
+				borderAlign: options.borderAlign,
+				x: centerX,
+				y: centerY,
+				innerRadius: 0,
+				outerRadius: reset ? resetRadius : distance,
+				startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,
+				endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,
+				label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index])
+			}
+		});
+
+		arc.pivot();
+	},
+
+	countVisibleElements: function() {
+		var dataset = this.getDataset();
+		var meta = this.getMeta();
+		var count = 0;
+
+		helpers$1.each(meta.data, function(element, index) {
+			if (!isNaN(dataset.data[index]) && !element.hidden) {
+				count++;
+			}
+		});
+
+		return count;
+	},
+
+	/**
+	 * @protected
+	 */
+	setHoverStyle: function(arc) {
+		var model = arc._model;
+		var options = arc._options;
+		var getHoverColor = helpers$1.getHoverColor;
+		var valueOrDefault = helpers$1.valueOrDefault;
+
+		arc.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+		};
+
+		model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth);
+	},
+
+	/**
+	 * @private
+	 */
+	_computeAngle: function(index) {
+		var me = this;
+		var count = this.getMeta().count;
+		var dataset = me.getDataset();
+		var meta = me.getMeta();
+
+		if (isNaN(dataset.data[index]) || meta.data[index].hidden) {
+			return 0;
+		}
+
+		// Scriptable options
+		var context = {
+			chart: me.chart,
+			dataIndex: index,
+			dataset: dataset,
+			datasetIndex: me.index
+		};
+
+		return resolve$3([
+			me.chart.options.elements.arc.angle,
+			(2 * Math.PI) / count
+		], context, index);
+	}
+});
+
+core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut));
+core_defaults._set('pie', {
+	cutoutPercentage: 0
+});
+
+// Pie charts are Doughnut chart with different defaults
+var controller_pie = controller_doughnut;
+
+var valueOrDefault$7 = helpers$1.valueOrDefault;
+
+core_defaults._set('radar', {
+	spanGaps: false,
+	scale: {
+		type: 'radialLinear'
+	},
+	elements: {
+		line: {
+			fill: 'start',
+			tension: 0 // no bezier in radar
+		}
+	}
+});
+
+var controller_radar = core_datasetController.extend({
+	datasetElementType: elements.Line,
+
+	dataElementType: elements.Point,
+
+	linkScales: helpers$1.noop,
+
+	/**
+	 * @private
+	 */
+	_datasetElementOptions: [
+		'backgroundColor',
+		'borderWidth',
+		'borderColor',
+		'borderCapStyle',
+		'borderDash',
+		'borderDashOffset',
+		'borderJoinStyle',
+		'fill'
+	],
+
+	/**
+	 * @private
+	 */
+	_dataElementOptions: {
+		backgroundColor: 'pointBackgroundColor',
+		borderColor: 'pointBorderColor',
+		borderWidth: 'pointBorderWidth',
+		hitRadius: 'pointHitRadius',
+		hoverBackgroundColor: 'pointHoverBackgroundColor',
+		hoverBorderColor: 'pointHoverBorderColor',
+		hoverBorderWidth: 'pointHoverBorderWidth',
+		hoverRadius: 'pointHoverRadius',
+		pointStyle: 'pointStyle',
+		radius: 'pointRadius',
+		rotation: 'pointRotation'
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	update: function(reset) {
+		var me = this;
+		var meta = me.getMeta();
+		var line = meta.dataset;
+		var points = meta.data || [];
+		var scale = me.chart.scale;
+		var config = me._config;
+		var i, ilen;
+
+		// Compatibility: If the properties are defined with only the old name, use those values
+		if (config.tension !== undefined && config.lineTension === undefined) {
+			config.lineTension = config.tension;
+		}
+
+		// Utility
+		line._scale = scale;
+		line._datasetIndex = me.index;
+		// Data
+		line._children = points;
+		line._loop = true;
+		// Model
+		line._model = me._resolveDatasetElementOptions(line);
+
+		line.pivot();
+
+		// Update Points
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			me.updateElement(points[i], i, reset);
+		}
+
+		// Update bezier control points
+		me.updateBezierControlPoints();
+
+		// Now pivot the point for animation
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			points[i].pivot();
+		}
+	},
+
+	updateElement: function(point, index, reset) {
+		var me = this;
+		var custom = point.custom || {};
+		var dataset = me.getDataset();
+		var scale = me.chart.scale;
+		var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);
+		var options = me._resolveDataElementOptions(point, index);
+		var lineModel = me.getMeta().dataset._model;
+		var x = reset ? scale.xCenter : pointPosition.x;
+		var y = reset ? scale.yCenter : pointPosition.y;
+
+		// Utility
+		point._scale = scale;
+		point._options = options;
+		point._datasetIndex = me.index;
+		point._index = index;
+
+		// Desired view properties
+		point._model = {
+			x: x, // value not used in dataset scale, but we want a consistent API between scales
+			y: y,
+			skip: custom.skip || isNaN(x) || isNaN(y),
+			// Appearance
+			radius: options.radius,
+			pointStyle: options.pointStyle,
+			rotation: options.rotation,
+			backgroundColor: options.backgroundColor,
+			borderColor: options.borderColor,
+			borderWidth: options.borderWidth,
+			tension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0),
+
+			// Tooltip
+			hitRadius: options.hitRadius
+		};
+	},
+
+	/**
+	 * @private
+	 */
+	_resolveDatasetElementOptions: function() {
+		var me = this;
+		var config = me._config;
+		var options = me.chart.options;
+		var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
+
+		values.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps);
+		values.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension);
+
+		return values;
+	},
+
+	updateBezierControlPoints: function() {
+		var me = this;
+		var meta = me.getMeta();
+		var area = me.chart.chartArea;
+		var points = meta.data || [];
+		var i, ilen, model, controlPoints;
+
+		// Only consider points that are drawn in case the spanGaps option is used
+		if (meta.dataset._model.spanGaps) {
+			points = points.filter(function(pt) {
+				return !pt._model.skip;
+			});
+		}
+
+		function capControlPoint(pt, min, max) {
+			return Math.max(Math.min(pt, max), min);
+		}
+
+		for (i = 0, ilen = points.length; i < ilen; ++i) {
+			model = points[i]._model;
+			controlPoints = helpers$1.splineCurve(
+				helpers$1.previousItem(points, i, true)._model,
+				model,
+				helpers$1.nextItem(points, i, true)._model,
+				model.tension
+			);
+
+			// Prevent the bezier going outside of the bounds of the graph
+			model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right);
+			model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom);
+			model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right);
+			model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom);
+		}
+	},
+
+	setHoverStyle: function(point) {
+		var model = point._model;
+		var options = point._options;
+		var getHoverColor = helpers$1.getHoverColor;
+
+		point.$previousStyle = {
+			backgroundColor: model.backgroundColor,
+			borderColor: model.borderColor,
+			borderWidth: model.borderWidth,
+			radius: model.radius
+		};
+
+		model.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+		model.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor));
+		model.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth);
+		model.radius = valueOrDefault$7(options.hoverRadius, options.radius);
+	}
+});
+
+core_defaults._set('scatter', {
+	hover: {
+		mode: 'single'
+	},
+
+	scales: {
+		xAxes: [{
+			id: 'x-axis-1',    // need an ID so datasets can reference the scale
+			type: 'linear',    // scatter should not use a category axis
+			position: 'bottom'
+		}],
+		yAxes: [{
+			id: 'y-axis-1',
+			type: 'linear',
+			position: 'left'
+		}]
+	},
+
+	tooltips: {
+		callbacks: {
+			title: function() {
+				return '';     // doesn't make sense for scatter since data are formatted as a point
+			},
+			label: function(item) {
+				return '(' + item.xLabel + ', ' + item.yLabel + ')';
+			}
+		}
+	}
+});
+
+core_defaults._set('global', {
+	datasets: {
+		scatter: {
+			showLine: false
+		}
+	}
+});
+
+// Scatter charts use line controllers
+var controller_scatter = controller_line;
+
+// NOTE export a map in which the key represents the controller type, not
+// the class, and so must be CamelCase in order to be correctly retrieved
+// by the controller in core.controller.js (`controllers[meta.type]`).
+
+var controllers = {
+	bar: controller_bar,
+	bubble: controller_bubble,
+	doughnut: controller_doughnut,
+	horizontalBar: controller_horizontalBar,
+	line: controller_line,
+	polarArea: controller_polarArea,
+	pie: controller_pie,
+	radar: controller_radar,
+	scatter: controller_scatter
+};
+
+/**
+ * Helper function to get relative position for an event
+ * @param {Event|IEvent} event - The event to get the position for
+ * @param {Chart} chart - The chart
+ * @returns {object} the event position
+ */
+function getRelativePosition(e, chart) {
+	if (e.native) {
+		return {
+			x: e.x,
+			y: e.y
+		};
+	}
+
+	return helpers$1.getRelativePosition(e, chart);
+}
+
+/**
+ * Helper function to traverse all of the visible elements in the chart
+ * @param {Chart} chart - the chart
+ * @param {function} handler - the callback to execute for each visible item
+ */
+function parseVisibleItems(chart, handler) {
+	var metasets = chart._getSortedVisibleDatasetMetas();
+	var metadata, i, j, ilen, jlen, element;
+
+	for (i = 0, ilen = metasets.length; i < ilen; ++i) {
+		metadata = metasets[i].data;
+		for (j = 0, jlen = metadata.length; j < jlen; ++j) {
+			element = metadata[j];
+			if (!element._view.skip) {
+				handler(element);
+			}
+		}
+	}
+}
+
+/**
+ * Helper function to get the items that intersect the event position
+ * @param {ChartElement[]} items - elements to filter
+ * @param {object} position - the point to be nearest to
+ * @return {ChartElement[]} the nearest items
+ */
+function getIntersectItems(chart, position) {
+	var elements = [];
+
+	parseVisibleItems(chart, function(element) {
+		if (element.inRange(position.x, position.y)) {
+			elements.push(element);
+		}
+	});
+
+	return elements;
+}
+
+/**
+ * Helper function to get the items nearest to the event position considering all visible items in teh chart
+ * @param {Chart} chart - the chart to look at elements from
+ * @param {object} position - the point to be nearest to
+ * @param {boolean} intersect - if true, only consider items that intersect the position
+ * @param {function} distanceMetric - function to provide the distance between points
+ * @return {ChartElement[]} the nearest items
+ */
+function getNearestItems(chart, position, intersect, distanceMetric) {
+	var minDistance = Number.POSITIVE_INFINITY;
+	var nearestItems = [];
+
+	parseVisibleItems(chart, function(element) {
+		if (intersect && !element.inRange(position.x, position.y)) {
+			return;
+		}
+
+		var center = element.getCenterPoint();
+		var distance = distanceMetric(position, center);
+		if (distance < minDistance) {
+			nearestItems = [element];
+			minDistance = distance;
+		} else if (distance === minDistance) {
+			// Can have multiple items at the same distance in which case we sort by size
+			nearestItems.push(element);
+		}
+	});
+
+	return nearestItems;
+}
+
+/**
+ * Get a distance metric function for two points based on the
+ * axis mode setting
+ * @param {string} axis - the axis mode. x|y|xy
+ */
+function getDistanceMetricForAxis(axis) {
+	var useX = axis.indexOf('x') !== -1;
+	var useY = axis.indexOf('y') !== -1;
+
+	return function(pt1, pt2) {
+		var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;
+		var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;
+		return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));
+	};
+}
+
+function indexMode(chart, e, options) {
+	var position = getRelativePosition(e, chart);
+	// Default axis for index mode is 'x' to match old behaviour
+	options.axis = options.axis || 'x';
+	var distanceMetric = getDistanceMetricForAxis(options.axis);
+	var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
+	var elements = [];
+
+	if (!items.length) {
+		return [];
+	}
+
+	chart._getSortedVisibleDatasetMetas().forEach(function(meta) {
+		var element = meta.data[items[0]._index];
+
+		// don't count items that are skipped (null data)
+		if (element && !element._view.skip) {
+			elements.push(element);
+		}
+	});
+
+	return elements;
+}
+
+/**
+ * @interface IInteractionOptions
+ */
+/**
+ * If true, only consider items that intersect the point
+ * @name IInterfaceOptions#boolean
+ * @type Boolean
+ */
+
+/**
+ * Contains interaction related functions
+ * @namespace Chart.Interaction
+ */
+var core_interaction = {
+	// Helper function for different modes
+	modes: {
+		single: function(chart, e) {
+			var position = getRelativePosition(e, chart);
+			var elements = [];
+
+			parseVisibleItems(chart, function(element) {
+				if (element.inRange(position.x, position.y)) {
+					elements.push(element);
+					return elements;
+				}
+			});
+
+			return elements.slice(0, 1);
+		},
+
+		/**
+		 * @function Chart.Interaction.modes.label
+		 * @deprecated since version 2.4.0
+		 * @todo remove at version 3
+		 * @private
+		 */
+		label: indexMode,
+
+		/**
+		 * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something
+		 * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item
+		 * @function Chart.Interaction.modes.index
+		 * @since v2.4.0
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use during interaction
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		index: indexMode,
+
+		/**
+		 * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something
+		 * If the options.intersect is false, we find the nearest item and return the items in that dataset
+		 * @function Chart.Interaction.modes.dataset
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use during interaction
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		dataset: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			options.axis = options.axis || 'xy';
+			var distanceMetric = getDistanceMetricForAxis(options.axis);
+			var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
+
+			if (items.length > 0) {
+				items = chart.getDatasetMeta(items[0]._datasetIndex).data;
+			}
+
+			return items;
+		},
+
+		/**
+		 * @function Chart.Interaction.modes.x-axis
+		 * @deprecated since version 2.4.0. Use index mode and intersect == true
+		 * @todo remove at version 3
+		 * @private
+		 */
+		'x-axis': function(chart, e) {
+			return indexMode(chart, e, {intersect: false});
+		},
+
+		/**
+		 * Point mode returns all elements that hit test based on the event position
+		 * of the event
+		 * @function Chart.Interaction.modes.intersect
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		point: function(chart, e) {
+			var position = getRelativePosition(e, chart);
+			return getIntersectItems(chart, position);
+		},
+
+		/**
+		 * nearest mode returns the element closest to the point
+		 * @function Chart.Interaction.modes.intersect
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		nearest: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			options.axis = options.axis || 'xy';
+			var distanceMetric = getDistanceMetricForAxis(options.axis);
+			return getNearestItems(chart, position, options.intersect, distanceMetric);
+		},
+
+		/**
+		 * x mode returns the elements that hit-test at the current x coordinate
+		 * @function Chart.Interaction.modes.x
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		x: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			var items = [];
+			var intersectsItem = false;
+
+			parseVisibleItems(chart, function(element) {
+				if (element.inXRange(position.x)) {
+					items.push(element);
+				}
+
+				if (element.inRange(position.x, position.y)) {
+					intersectsItem = true;
+				}
+			});
+
+			// If we want to trigger on an intersect and we don't have any items
+			// that intersect the position, return nothing
+			if (options.intersect && !intersectsItem) {
+				items = [];
+			}
+			return items;
+		},
+
+		/**
+		 * y mode returns the elements that hit-test at the current y coordinate
+		 * @function Chart.Interaction.modes.y
+		 * @param {Chart} chart - the chart we are returning items from
+		 * @param {Event} e - the event we are find things at
+		 * @param {IInteractionOptions} options - options to use
+		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+		 */
+		y: function(chart, e, options) {
+			var position = getRelativePosition(e, chart);
+			var items = [];
+			var intersectsItem = false;
+
+			parseVisibleItems(chart, function(element) {
+				if (element.inYRange(position.y)) {
+					items.push(element);
+				}
+
+				if (element.inRange(position.x, position.y)) {
+					intersectsItem = true;
+				}
+			});
+
+			// If we want to trigger on an intersect and we don't have any items
+			// that intersect the position, return nothing
+			if (options.intersect && !intersectsItem) {
+				items = [];
+			}
+			return items;
+		}
+	}
+};
+
+var extend = helpers$1.extend;
+
+function filterByPosition(array, position) {
+	return helpers$1.where(array, function(v) {
+		return v.pos === position;
+	});
+}
+
+function sortByWeight(array, reverse) {
+	return array.sort(function(a, b) {
+		var v0 = reverse ? b : a;
+		var v1 = reverse ? a : b;
+		return v0.weight === v1.weight ?
+			v0.index - v1.index :
+			v0.weight - v1.weight;
+	});
+}
+
+function wrapBoxes(boxes) {
+	var layoutBoxes = [];
+	var i, ilen, box;
+
+	for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {
+		box = boxes[i];
+		layoutBoxes.push({
+			index: i,
+			box: box,
+			pos: box.position,
+			horizontal: box.isHorizontal(),
+			weight: box.weight
+		});
+	}
+	return layoutBoxes;
+}
+
+function setLayoutDims(layouts, params) {
+	var i, ilen, layout;
+	for (i = 0, ilen = layouts.length; i < ilen; ++i) {
+		layout = layouts[i];
+		// store width used instead of chartArea.w in fitBoxes
+		layout.width = layout.horizontal
+			? layout.box.fullWidth && params.availableWidth
+			: params.vBoxMaxWidth;
+		// store height used instead of chartArea.h in fitBoxes
+		layout.height = layout.horizontal && params.hBoxMaxHeight;
+	}
+}
+
+function buildLayoutBoxes(boxes) {
+	var layoutBoxes = wrapBoxes(boxes);
+	var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);
+	var right = sortByWeight(filterByPosition(layoutBoxes, 'right'));
+	var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);
+	var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));
+
+	return {
+		leftAndTop: left.concat(top),
+		rightAndBottom: right.concat(bottom),
+		chartArea: filterByPosition(layoutBoxes, 'chartArea'),
+		vertical: left.concat(right),
+		horizontal: top.concat(bottom)
+	};
+}
+
+function getCombinedMax(maxPadding, chartArea, a, b) {
+	return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);
+}
+
+function updateDims(chartArea, params, layout) {
+	var box = layout.box;
+	var maxPadding = chartArea.maxPadding;
+	var newWidth, newHeight;
+
+	if (layout.size) {
+		// this layout was already counted for, lets first reduce old size
+		chartArea[layout.pos] -= layout.size;
+	}
+	layout.size = layout.horizontal ? box.height : box.width;
+	chartArea[layout.pos] += layout.size;
+
+	if (box.getPadding) {
+		var boxPadding = box.getPadding();
+		maxPadding.top = Math.max(maxPadding.top, boxPadding.top);
+		maxPadding.left = Math.max(maxPadding.left, boxPadding.left);
+		maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);
+		maxPadding.right = Math.max(maxPadding.right, boxPadding.right);
+	}
+
+	newWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right');
+	newHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom');
+
+	if (newWidth !== chartArea.w || newHeight !== chartArea.h) {
+		chartArea.w = newWidth;
+		chartArea.h = newHeight;
+
+		// return true if chart area changed in layout's direction
+		var sizes = layout.horizontal ? [newWidth, chartArea.w] : [newHeight, chartArea.h];
+		return sizes[0] !== sizes[1] && (!isNaN(sizes[0]) || !isNaN(sizes[1]));
+	}
+}
+
+function handleMaxPadding(chartArea) {
+	var maxPadding = chartArea.maxPadding;
+
+	function updatePos(pos) {
+		var change = Math.max(maxPadding[pos] - chartArea[pos], 0);
+		chartArea[pos] += change;
+		return change;
+	}
+	chartArea.y += updatePos('top');
+	chartArea.x += updatePos('left');
+	updatePos('right');
+	updatePos('bottom');
+}
+
+function getMargins(horizontal, chartArea) {
+	var maxPadding = chartArea.maxPadding;
+
+	function marginForPositions(positions) {
+		var margin = {left: 0, top: 0, right: 0, bottom: 0};
+		positions.forEach(function(pos) {
+			margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);
+		});
+		return margin;
+	}
+
+	return horizontal
+		? marginForPositions(['left', 'right'])
+		: marginForPositions(['top', 'bottom']);
+}
+
+function fitBoxes(boxes, chartArea, params) {
+	var refitBoxes = [];
+	var i, ilen, layout, box, refit, changed;
+
+	for (i = 0, ilen = boxes.length; i < ilen; ++i) {
+		layout = boxes[i];
+		box = layout.box;
+
+		box.update(
+			layout.width || chartArea.w,
+			layout.height || chartArea.h,
+			getMargins(layout.horizontal, chartArea)
+		);
+		if (updateDims(chartArea, params, layout)) {
+			changed = true;
+			if (refitBoxes.length) {
+				// Dimensions changed and there were non full width boxes before this
+				// -> we have to refit those
+				refit = true;
+			}
+		}
+		if (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case
+			refitBoxes.push(layout);
+		}
+	}
+
+	return refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed;
+}
+
+function placeBoxes(boxes, chartArea, params) {
+	var userPadding = params.padding;
+	var x = chartArea.x;
+	var y = chartArea.y;
+	var i, ilen, layout, box;
+
+	for (i = 0, ilen = boxes.length; i < ilen; ++i) {
+		layout = boxes[i];
+		box = layout.box;
+		if (layout.horizontal) {
+			box.left = box.fullWidth ? userPadding.left : chartArea.left;
+			box.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w;
+			box.top = y;
+			box.bottom = y + box.height;
+			box.width = box.right - box.left;
+			y = box.bottom;
+		} else {
+			box.left = x;
+			box.right = x + box.width;
+			box.top = chartArea.top;
+			box.bottom = chartArea.top + chartArea.h;
+			box.height = box.bottom - box.top;
+			x = box.right;
+		}
+	}
+
+	chartArea.x = x;
+	chartArea.y = y;
+}
+
+core_defaults._set('global', {
+	layout: {
+		padding: {
+			top: 0,
+			right: 0,
+			bottom: 0,
+			left: 0
+		}
+	}
+});
+
+/**
+ * @interface ILayoutItem
+ * @prop {string} position - The position of the item in the chart layout. Possible values are
+ * 'left', 'top', 'right', 'bottom', and 'chartArea'
+ * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area
+ * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down
+ * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)
+ * @prop {function} update - Takes two parameters: width and height. Returns size of item
+ * @prop {function} getPadding -  Returns an object with padding on the edges
+ * @prop {number} width - Width of item. Must be valid after update()
+ * @prop {number} height - Height of item. Must be valid after update()
+ * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update
+ */
+
+// The layout service is very self explanatory.  It's responsible for the layout within a chart.
+// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
+// It is this service's responsibility of carrying out that layout.
+var core_layouts = {
+	defaults: {},
+
+	/**
+	 * Register a box to a chart.
+	 * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.
+	 * @param {Chart} chart - the chart to use
+	 * @param {ILayoutItem} item - the item to add to be layed out
+	 */
+	addBox: function(chart, item) {
+		if (!chart.boxes) {
+			chart.boxes = [];
+		}
+
+		// initialize item with default values
+		item.fullWidth = item.fullWidth || false;
+		item.position = item.position || 'top';
+		item.weight = item.weight || 0;
+		item._layers = item._layers || function() {
+			return [{
+				z: 0,
+				draw: function() {
+					item.draw.apply(item, arguments);
+				}
+			}];
+		};
+
+		chart.boxes.push(item);
+	},
+
+	/**
+	 * Remove a layoutItem from a chart
+	 * @param {Chart} chart - the chart to remove the box from
+	 * @param {ILayoutItem} layoutItem - the item to remove from the layout
+	 */
+	removeBox: function(chart, layoutItem) {
+		var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;
+		if (index !== -1) {
+			chart.boxes.splice(index, 1);
+		}
+	},
+
+	/**
+	 * Sets (or updates) options on the given `item`.
+	 * @param {Chart} chart - the chart in which the item lives (or will be added to)
+	 * @param {ILayoutItem} item - the item to configure with the given options
+	 * @param {object} options - the new item options.
+	 */
+	configure: function(chart, item, options) {
+		var props = ['fullWidth', 'position', 'weight'];
+		var ilen = props.length;
+		var i = 0;
+		var prop;
+
+		for (; i < ilen; ++i) {
+			prop = props[i];
+			if (options.hasOwnProperty(prop)) {
+				item[prop] = options[prop];
+			}
+		}
+	},
+
+	/**
+	 * Fits boxes of the given chart into the given size by having each box measure itself
+	 * then running a fitting algorithm
+	 * @param {Chart} chart - the chart
+	 * @param {number} width - the width to fit into
+	 * @param {number} height - the height to fit into
+	 */
+	update: function(chart, width, height) {
+		if (!chart) {
+			return;
+		}
+
+		var layoutOptions = chart.options.layout || {};
+		var padding = helpers$1.options.toPadding(layoutOptions.padding);
+
+		var availableWidth = width - padding.width;
+		var availableHeight = height - padding.height;
+		var boxes = buildLayoutBoxes(chart.boxes);
+		var verticalBoxes = boxes.vertical;
+		var horizontalBoxes = boxes.horizontal;
+
+		// Essentially we now have any number of boxes on each of the 4 sides.
+		// Our canvas looks like the following.
+		// The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and
+		// B1 is the bottom axis
+		// There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
+		// These locations are single-box locations only, when trying to register a chartArea location that is already taken,
+		// an error will be thrown.
+		//
+		// |----------------------------------------------------|
+		// |                  T1 (Full Width)                   |
+		// |----------------------------------------------------|
+		// |    |    |                 T2                  |    |
+		// |    |----|-------------------------------------|----|
+		// |    |    | C1 |                           | C2 |    |
+		// |    |    |----|                           |----|    |
+		// |    |    |                                     |    |
+		// | L1 | L2 |           ChartArea (C0)            | R1 |
+		// |    |    |                                     |    |
+		// |    |    |----|                           |----|    |
+		// |    |    | C3 |                           | C4 |    |
+		// |    |----|-------------------------------------|----|
+		// |    |    |                 B1                  |    |
+		// |----------------------------------------------------|
+		// |                  B2 (Full Width)                   |
+		// |----------------------------------------------------|
+		//
+
+		var params = Object.freeze({
+			outerWidth: width,
+			outerHeight: height,
+			padding: padding,
+			availableWidth: availableWidth,
+			vBoxMaxWidth: availableWidth / 2 / verticalBoxes.length,
+			hBoxMaxHeight: availableHeight / 2
+		});
+		var chartArea = extend({
+			maxPadding: extend({}, padding),
+			w: availableWidth,
+			h: availableHeight,
+			x: padding.left,
+			y: padding.top
+		}, padding);
+
+		setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);
+
+		// First fit vertical boxes
+		fitBoxes(verticalBoxes, chartArea, params);
+
+		// Then fit horizontal boxes
+		if (fitBoxes(horizontalBoxes, chartArea, params)) {
+			// if the area changed, re-fit vertical boxes
+			fitBoxes(verticalBoxes, chartArea, params);
+		}
+
+		handleMaxPadding(chartArea);
+
+		// Finally place the boxes to correct coordinates
+		placeBoxes(boxes.leftAndTop, chartArea, params);
+
+		// Move to opposite side of chart
+		chartArea.x += chartArea.w;
+		chartArea.y += chartArea.h;
+
+		placeBoxes(boxes.rightAndBottom, chartArea, params);
+
+		chart.chartArea = {
+			left: chartArea.left,
+			top: chartArea.top,
+			right: chartArea.left + chartArea.w,
+			bottom: chartArea.top + chartArea.h
+		};
+
+		// Finally update boxes in chartArea (radial scale for example)
+		helpers$1.each(boxes.chartArea, function(layout) {
+			var box = layout.box;
+			extend(box, chart.chartArea);
+			box.update(chartArea.w, chartArea.h);
+		});
+	}
+};
+
+/**
+ * Platform fallback implementation (minimal).
+ * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939
+ */
+
+var platform_basic = {
+	acquireContext: function(item) {
+		if (item && item.canvas) {
+			// Support for any object associated to a canvas (including a context2d)
+			item = item.canvas;
+		}
+
+		return item && item.getContext('2d') || null;
+	}
+};
+
+var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n";
+
+var platform_dom$1 = /*#__PURE__*/Object.freeze({
+__proto__: null,
+'default': platform_dom
+});
+
+var stylesheet = getCjsExportFromNamespace(platform_dom$1);
+
+var EXPANDO_KEY = '$chartjs';
+var CSS_PREFIX = 'chartjs-';
+var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor';
+var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';
+var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';
+var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];
+
+/**
+ * DOM event types -> Chart.js event types.
+ * Note: only events with different types are mapped.
+ * @see https://developer.mozilla.org/en-US/docs/Web/Events
+ */
+var EVENT_TYPES = {
+	touchstart: 'mousedown',
+	touchmove: 'mousemove',
+	touchend: 'mouseup',
+	pointerenter: 'mouseenter',
+	pointerdown: 'mousedown',
+	pointermove: 'mousemove',
+	pointerup: 'mouseup',
+	pointerleave: 'mouseout',
+	pointerout: 'mouseout'
+};
+
+/**
+ * The "used" size is the final value of a dimension property after all calculations have
+ * been performed. This method uses the computed style of `element` but returns undefined
+ * if the computed style is not expressed in pixels. That can happen in some cases where
+ * `element` has a size relative to its parent and this last one is not yet displayed,
+ * for example because of `display: none` on a parent node.
+ * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value
+ * @returns {number} Size in pixels or undefined if unknown.
+ */
+function readUsedSize(element, property) {
+	var value = helpers$1.getStyle(element, property);
+	var matches = value && value.match(/^(\d+)(\.\d+)?px$/);
+	return matches ? Number(matches[1]) : undefined;
+}
+
+/**
+ * Initializes the canvas style and render size without modifying the canvas display size,
+ * since responsiveness is handled by the controller.resize() method. The config is used
+ * to determine the aspect ratio to apply in case no explicit height has been specified.
+ */
+function initCanvas(canvas, config) {
+	var style = canvas.style;
+
+	// NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it
+	// returns null or '' if no explicit value has been set to the canvas attribute.
+	var renderHeight = canvas.getAttribute('height');
+	var renderWidth = canvas.getAttribute('width');
+
+	// Chart.js modifies some canvas values that we want to restore on destroy
+	canvas[EXPANDO_KEY] = {
+		initial: {
+			height: renderHeight,
+			width: renderWidth,
+			style: {
+				display: style.display,
+				height: style.height,
+				width: style.width
+			}
+		}
+	};
+
+	// Force canvas to display as block to avoid extra space caused by inline
+	// elements, which would interfere with the responsive resize process.
+	// https://github.com/chartjs/Chart.js/issues/2538
+	style.display = style.display || 'block';
+
+	if (renderWidth === null || renderWidth === '') {
+		var displayWidth = readUsedSize(canvas, 'width');
+		if (displayWidth !== undefined) {
+			canvas.width = displayWidth;
+		}
+	}
+
+	if (renderHeight === null || renderHeight === '') {
+		if (canvas.style.height === '') {
+			// If no explicit render height and style height, let's apply the aspect ratio,
+			// which one can be specified by the user but also by charts as default option
+			// (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.
+			canvas.height = canvas.width / (config.options.aspectRatio || 2);
+		} else {
+			var displayHeight = readUsedSize(canvas, 'height');
+			if (displayWidth !== undefined) {
+				canvas.height = displayHeight;
+			}
+		}
+	}
+
+	return canvas;
+}
+
+/**
+ * Detects support for options object argument in addEventListener.
+ * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
+ * @private
+ */
+var supportsEventListenerOptions = (function() {
+	var supports = false;
+	try {
+		var options = Object.defineProperty({}, 'passive', {
+			// eslint-disable-next-line getter-return
+			get: function() {
+				supports = true;
+			}
+		});
+		window.addEventListener('e', null, options);
+	} catch (e) {
+		// continue regardless of error
+	}
+	return supports;
+}());
+
+// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.
+// https://github.com/chartjs/Chart.js/issues/4287
+var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;
+
+function addListener(node, type, listener) {
+	node.addEventListener(type, listener, eventListenerOptions);
+}
+
+function removeListener(node, type, listener) {
+	node.removeEventListener(type, listener, eventListenerOptions);
+}
+
+function createEvent(type, chart, x, y, nativeEvent) {
+	return {
+		type: type,
+		chart: chart,
+		native: nativeEvent || null,
+		x: x !== undefined ? x : null,
+		y: y !== undefined ? y : null,
+	};
+}
+
+function fromNativeEvent(event, chart) {
+	var type = EVENT_TYPES[event.type] || event.type;
+	var pos = helpers$1.getRelativePosition(event, chart);
+	return createEvent(type, chart, pos.x, pos.y, event);
+}
+
+function throttled(fn, thisArg) {
+	var ticking = false;
+	var args = [];
+
+	return function() {
+		args = Array.prototype.slice.call(arguments);
+		thisArg = thisArg || this;
+
+		if (!ticking) {
+			ticking = true;
+			helpers$1.requestAnimFrame.call(window, function() {
+				ticking = false;
+				fn.apply(thisArg, args);
+			});
+		}
+	};
+}
+
+function createDiv(cls) {
+	var el = document.createElement('div');
+	el.className = cls || '';
+	return el;
+}
+
+// Implementation based on https://github.com/marcj/css-element-queries
+function createResizer(handler) {
+	var maxSize = 1000000;
+
+	// NOTE(SB) Don't use innerHTML because it could be considered unsafe.
+	// https://github.com/chartjs/Chart.js/issues/5902
+	var resizer = createDiv(CSS_SIZE_MONITOR);
+	var expand = createDiv(CSS_SIZE_MONITOR + '-expand');
+	var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink');
+
+	expand.appendChild(createDiv());
+	shrink.appendChild(createDiv());
+
+	resizer.appendChild(expand);
+	resizer.appendChild(shrink);
+	resizer._reset = function() {
+		expand.scrollLeft = maxSize;
+		expand.scrollTop = maxSize;
+		shrink.scrollLeft = maxSize;
+		shrink.scrollTop = maxSize;
+	};
+
+	var onScroll = function() {
+		resizer._reset();
+		handler();
+	};
+
+	addListener(expand, 'scroll', onScroll.bind(expand, 'expand'));
+	addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));
+
+	return resizer;
+}
+
+// https://davidwalsh.name/detect-node-insertion
+function watchForRender(node, handler) {
+	var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
+	var proxy = expando.renderProxy = function(e) {
+		if (e.animationName === CSS_RENDER_ANIMATION) {
+			handler();
+		}
+	};
+
+	helpers$1.each(ANIMATION_START_EVENTS, function(type) {
+		addListener(node, type, proxy);
+	});
+
+	// #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class
+	// is removed then added back immediately (same animation frame?). Accessing the
+	// `offsetParent` property will force a reflow and re-evaluate the CSS animation.
+	// https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics
+	// https://github.com/chartjs/Chart.js/issues/4737
+	expando.reflow = !!node.offsetParent;
+
+	node.classList.add(CSS_RENDER_MONITOR);
+}
+
+function unwatchForRender(node) {
+	var expando = node[EXPANDO_KEY] || {};
+	var proxy = expando.renderProxy;
+
+	if (proxy) {
+		helpers$1.each(ANIMATION_START_EVENTS, function(type) {
+			removeListener(node, type, proxy);
+		});
+
+		delete expando.renderProxy;
+	}
+
+	node.classList.remove(CSS_RENDER_MONITOR);
+}
+
+function addResizeListener(node, listener, chart) {
+	var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
+
+	// Let's keep track of this added resizer and thus avoid DOM query when removing it.
+	var resizer = expando.resizer = createResizer(throttled(function() {
+		if (expando.resizer) {
+			var container = chart.options.maintainAspectRatio && node.parentNode;
+			var w = container ? container.clientWidth : 0;
+			listener(createEvent('resize', chart));
+			if (container && container.clientWidth < w && chart.canvas) {
+				// If the container size shrank during chart resize, let's assume
+				// scrollbar appeared. So we resize again with the scrollbar visible -
+				// effectively making chart smaller and the scrollbar hidden again.
+				// Because we are inside `throttled`, and currently `ticking`, scroll
+				// events are ignored during this whole 2 resize process.
+				// If we assumed wrong and something else happened, we are resizing
+				// twice in a frame (potential performance issue)
+				listener(createEvent('resize', chart));
+			}
+		}
+	}));
+
+	// The resizer needs to be attached to the node parent, so we first need to be
+	// sure that `node` is attached to the DOM before injecting the resizer element.
+	watchForRender(node, function() {
+		if (expando.resizer) {
+			var container = node.parentNode;
+			if (container && container !== resizer.parentNode) {
+				container.insertBefore(resizer, container.firstChild);
+			}
+
+			// The container size might have changed, let's reset the resizer state.
+			resizer._reset();
+		}
+	});
+}
+
+function removeResizeListener(node) {
+	var expando = node[EXPANDO_KEY] || {};
+	var resizer = expando.resizer;
+
+	delete expando.resizer;
+	unwatchForRender(node);
+
+	if (resizer && resizer.parentNode) {
+		resizer.parentNode.removeChild(resizer);
+	}
+}
+
+/**
+ * Injects CSS styles inline if the styles are not already present.
+ * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the <style>.
+ * @param {string} css - the CSS to be injected.
+ */
+function injectCSS(rootNode, css) {
+	// https://stackoverflow.com/q/3922139
+	var expando = rootNode[EXPANDO_KEY] || (rootNode[EXPANDO_KEY] = {});
+	if (!expando.containsStyles) {
+		expando.containsStyles = true;
+		css = '/* Chart.js */\n' + css;
+		var style = document.createElement('style');
+		style.setAttribute('type', 'text/css');
+		style.appendChild(document.createTextNode(css));
+		rootNode.appendChild(style);
+	}
+}
+
+var platform_dom$2 = {
+	/**
+	 * When `true`, prevents the automatic injection of the stylesheet required to
+	 * correctly detect when the chart is added to the DOM and then resized. This
+	 * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`)
+	 * to be manually imported to make this library compatible with any CSP.
+	 * See https://github.com/chartjs/Chart.js/issues/5208
+	 */
+	disableCSSInjection: false,
+
+	/**
+	 * This property holds whether this platform is enabled for the current environment.
+	 * Currently used by platform.js to select the proper implementation.
+	 * @private
+	 */
+	_enabled: typeof window !== 'undefined' && typeof document !== 'undefined',
+
+	/**
+	 * Initializes resources that depend on platform options.
+	 * @param {HTMLCanvasElement} canvas - The Canvas element.
+	 * @private
+	 */
+	_ensureLoaded: function(canvas) {
+		if (!this.disableCSSInjection) {
+			// If the canvas is in a shadow DOM, then the styles must also be inserted
+			// into the same shadow DOM.
+			// https://github.com/chartjs/Chart.js/issues/5763
+			var root = canvas.getRootNode ? canvas.getRootNode() : document;
+			var targetNode = root.host ? root : document.head;
+			injectCSS(targetNode, stylesheet);
+		}
+	},
+
+	acquireContext: function(item, config) {
+		if (typeof item === 'string') {
+			item = document.getElementById(item);
+		} else if (item.length) {
+			// Support for array based queries (such as jQuery)
+			item = item[0];
+		}
+
+		if (item && item.canvas) {
+			// Support for any object associated to a canvas (including a context2d)
+			item = item.canvas;
+		}
+
+		// To prevent canvas fingerprinting, some add-ons undefine the getContext
+		// method, for example: https://github.com/kkapsner/CanvasBlocker
+		// https://github.com/chartjs/Chart.js/issues/2807
+		var context = item && item.getContext && item.getContext('2d');
+
+		// `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is
+		// inside an iframe or when running in a protected environment. We could guess the
+		// types from their toString() value but let's keep things flexible and assume it's
+		// a sufficient condition if the item has a context2D which has item as `canvas`.
+		// https://github.com/chartjs/Chart.js/issues/3887
+		// https://github.com/chartjs/Chart.js/issues/4102
+		// https://github.com/chartjs/Chart.js/issues/4152
+		if (context && context.canvas === item) {
+			// Load platform resources on first chart creation, to make it possible to
+			// import the library before setting platform options.
+			this._ensureLoaded(item);
+			initCanvas(item, config);
+			return context;
+		}
+
+		return null;
+	},
+
+	releaseContext: function(context) {
+		var canvas = context.canvas;
+		if (!canvas[EXPANDO_KEY]) {
+			return;
+		}
+
+		var initial = canvas[EXPANDO_KEY].initial;
+		['height', 'width'].forEach(function(prop) {
+			var value = initial[prop];
+			if (helpers$1.isNullOrUndef(value)) {
+				canvas.removeAttribute(prop);
+			} else {
+				canvas.setAttribute(prop, value);
+			}
+		});
+
+		helpers$1.each(initial.style || {}, function(value, key) {
+			canvas.style[key] = value;
+		});
+
+		// The canvas render size might have been changed (and thus the state stack discarded),
+		// we can't use save() and restore() to restore the initial state. So make sure that at
+		// least the canvas context is reset to the default state by setting the canvas width.
+		// https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html
+		// eslint-disable-next-line no-self-assign
+		canvas.width = canvas.width;
+
+		delete canvas[EXPANDO_KEY];
+	},
+
+	addEventListener: function(chart, type, listener) {
+		var canvas = chart.canvas;
+		if (type === 'resize') {
+			// Note: the resize event is not supported on all browsers.
+			addResizeListener(canvas, listener, chart);
+			return;
+		}
+
+		var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});
+		var proxies = expando.proxies || (expando.proxies = {});
+		var proxy = proxies[chart.id + '_' + type] = function(event) {
+			listener(fromNativeEvent(event, chart));
+		};
+
+		addListener(canvas, type, proxy);
+	},
+
+	removeEventListener: function(chart, type, listener) {
+		var canvas = chart.canvas;
+		if (type === 'resize') {
+			// Note: the resize event is not supported on all browsers.
+			removeResizeListener(canvas);
+			return;
+		}
+
+		var expando = listener[EXPANDO_KEY] || {};
+		var proxies = expando.proxies || {};
+		var proxy = proxies[chart.id + '_' + type];
+		if (!proxy) {
+			return;
+		}
+
+		removeListener(canvas, type, proxy);
+	}
+};
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use EventTarget.addEventListener instead.
+ * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener
+ * @function Chart.helpers.addEvent
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.addEvent = addListener;
+
+/**
+ * Provided for backward compatibility, use EventTarget.removeEventListener instead.
+ * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener
+ * @function Chart.helpers.removeEvent
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.removeEvent = removeListener;
+
+// @TODO Make possible to select another platform at build time.
+var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic;
+
+/**
+ * @namespace Chart.platform
+ * @see https://chartjs.gitbooks.io/proposals/content/Platform.html
+ * @since 2.4.0
+ */
+var platform = helpers$1.extend({
+	/**
+	 * @since 2.7.0
+	 */
+	initialize: function() {},
+
+	/**
+	 * Called at chart construction time, returns a context2d instance implementing
+	 * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.
+	 * @param {*} item - The native item from which to acquire context (platform specific)
+	 * @param {object} options - The chart options
+	 * @returns {CanvasRenderingContext2D} context2d instance
+	 */
+	acquireContext: function() {},
+
+	/**
+	 * Called at chart destruction time, releases any resources associated to the context
+	 * previously returned by the acquireContext() method.
+	 * @param {CanvasRenderingContext2D} context - The context2d instance
+	 * @returns {boolean} true if the method succeeded, else false
+	 */
+	releaseContext: function() {},
+
+	/**
+	 * Registers the specified listener on the given chart.
+	 * @param {Chart} chart - Chart from which to listen for event
+	 * @param {string} type - The ({@link IEvent}) type to listen for
+	 * @param {function} listener - Receives a notification (an object that implements
+	 * the {@link IEvent} interface) when an event of the specified type occurs.
+	 */
+	addEventListener: function() {},
+
+	/**
+	 * Removes the specified listener previously registered with addEventListener.
+	 * @param {Chart} chart - Chart from which to remove the listener
+	 * @param {string} type - The ({@link IEvent}) type to remove
+	 * @param {function} listener - The listener function to remove from the event target.
+	 */
+	removeEventListener: function() {}
+
+}, implementation);
+
+core_defaults._set('global', {
+	plugins: {}
+});
+
+/**
+ * The plugin service singleton
+ * @namespace Chart.plugins
+ * @since 2.1.0
+ */
+var core_plugins = {
+	/**
+	 * Globally registered plugins.
+	 * @private
+	 */
+	_plugins: [],
+
+	/**
+	 * This identifier is used to invalidate the descriptors cache attached to each chart
+	 * when a global plugin is registered or unregistered. In this case, the cache ID is
+	 * incremented and descriptors are regenerated during following API calls.
+	 * @private
+	 */
+	_cacheId: 0,
+
+	/**
+	 * Registers the given plugin(s) if not already registered.
+	 * @param {IPlugin[]|IPlugin} plugins plugin instance(s).
+	 */
+	register: function(plugins) {
+		var p = this._plugins;
+		([]).concat(plugins).forEach(function(plugin) {
+			if (p.indexOf(plugin) === -1) {
+				p.push(plugin);
+			}
+		});
+
+		this._cacheId++;
+	},
+
+	/**
+	 * Unregisters the given plugin(s) only if registered.
+	 * @param {IPlugin[]|IPlugin} plugins plugin instance(s).
+	 */
+	unregister: function(plugins) {
+		var p = this._plugins;
+		([]).concat(plugins).forEach(function(plugin) {
+			var idx = p.indexOf(plugin);
+			if (idx !== -1) {
+				p.splice(idx, 1);
+			}
+		});
+
+		this._cacheId++;
+	},
+
+	/**
+	 * Remove all registered plugins.
+	 * @since 2.1.5
+	 */
+	clear: function() {
+		this._plugins = [];
+		this._cacheId++;
+	},
+
+	/**
+	 * Returns the number of registered plugins?
+	 * @returns {number}
+	 * @since 2.1.5
+	 */
+	count: function() {
+		return this._plugins.length;
+	},
+
+	/**
+	 * Returns all registered plugin instances.
+	 * @returns {IPlugin[]} array of plugin objects.
+	 * @since 2.1.5
+	 */
+	getAll: function() {
+		return this._plugins;
+	},
+
+	/**
+	 * Calls enabled plugins for `chart` on the specified hook and with the given args.
+	 * This method immediately returns as soon as a plugin explicitly returns false. The
+	 * returned value can be used, for instance, to interrupt the current action.
+	 * @param {Chart} chart - The chart instance for which plugins should be called.
+	 * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate').
+	 * @param {Array} [args] - Extra arguments to apply to the hook call.
+	 * @returns {boolean} false if any of the plugins return false, else returns true.
+	 */
+	notify: function(chart, hook, args) {
+		var descriptors = this.descriptors(chart);
+		var ilen = descriptors.length;
+		var i, descriptor, plugin, params, method;
+
+		for (i = 0; i < ilen; ++i) {
+			descriptor = descriptors[i];
+			plugin = descriptor.plugin;
+			method = plugin[hook];
+			if (typeof method === 'function') {
+				params = [chart].concat(args || []);
+				params.push(descriptor.options);
+				if (method.apply(plugin, params) === false) {
+					return false;
+				}
+			}
+		}
+
+		return true;
+	},
+
+	/**
+	 * Returns descriptors of enabled plugins for the given chart.
+	 * @returns {object[]} [{ plugin, options }]
+	 * @private
+	 */
+	descriptors: function(chart) {
+		var cache = chart.$plugins || (chart.$plugins = {});
+		if (cache.id === this._cacheId) {
+			return cache.descriptors;
+		}
+
+		var plugins = [];
+		var descriptors = [];
+		var config = (chart && chart.config) || {};
+		var options = (config.options && config.options.plugins) || {};
+
+		this._plugins.concat(config.plugins || []).forEach(function(plugin) {
+			var idx = plugins.indexOf(plugin);
+			if (idx !== -1) {
+				return;
+			}
+
+			var id = plugin.id;
+			var opts = options[id];
+			if (opts === false) {
+				return;
+			}
+
+			if (opts === true) {
+				opts = helpers$1.clone(core_defaults.global.plugins[id]);
+			}
+
+			plugins.push(plugin);
+			descriptors.push({
+				plugin: plugin,
+				options: opts || {}
+			});
+		});
+
+		cache.descriptors = descriptors;
+		cache.id = this._cacheId;
+		return descriptors;
+	},
+
+	/**
+	 * Invalidates cache for the given chart: descriptors hold a reference on plugin option,
+	 * but in some cases, this reference can be changed by the user when updating options.
+	 * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167
+	 * @private
+	 */
+	_invalidate: function(chart) {
+		delete chart.$plugins;
+	}
+};
+
+var core_scaleService = {
+	// Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
+	// use the new chart options to grab the correct scale
+	constructors: {},
+	// Use a registration function so that we can move to an ES6 map when we no longer need to support
+	// old browsers
+
+	// Scale config defaults
+	defaults: {},
+	registerScaleType: function(type, scaleConstructor, scaleDefaults) {
+		this.constructors[type] = scaleConstructor;
+		this.defaults[type] = helpers$1.clone(scaleDefaults);
+	},
+	getScaleConstructor: function(type) {
+		return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
+	},
+	getScaleDefaults: function(type) {
+		// Return the scale defaults merged with the global settings so that we always use the latest ones
+		return this.defaults.hasOwnProperty(type) ? helpers$1.merge(Object.create(null), [core_defaults.scale, this.defaults[type]]) : {};
+	},
+	updateScaleDefaults: function(type, additions) {
+		var me = this;
+		if (me.defaults.hasOwnProperty(type)) {
+			me.defaults[type] = helpers$1.extend(me.defaults[type], additions);
+		}
+	},
+	addScalesToLayout: function(chart) {
+		// Adds each scale to the chart.boxes array to be sized accordingly
+		helpers$1.each(chart.scales, function(scale) {
+			// Set ILayoutItem parameters for backwards compatibility
+			scale.fullWidth = scale.options.fullWidth;
+			scale.position = scale.options.position;
+			scale.weight = scale.options.weight;
+			core_layouts.addBox(chart, scale);
+		});
+	}
+};
+
+var valueOrDefault$8 = helpers$1.valueOrDefault;
+var getRtlHelper = helpers$1.rtl.getRtlAdapter;
+
+core_defaults._set('global', {
+	tooltips: {
+		enabled: true,
+		custom: null,
+		mode: 'nearest',
+		position: 'average',
+		intersect: true,
+		backgroundColor: 'rgba(0,0,0,0.8)',
+		titleFontStyle: 'bold',
+		titleSpacing: 2,
+		titleMarginBottom: 6,
+		titleFontColor: '#fff',
+		titleAlign: 'left',
+		bodySpacing: 2,
+		bodyFontColor: '#fff',
+		bodyAlign: 'left',
+		footerFontStyle: 'bold',
+		footerSpacing: 2,
+		footerMarginTop: 6,
+		footerFontColor: '#fff',
+		footerAlign: 'left',
+		yPadding: 6,
+		xPadding: 6,
+		caretPadding: 2,
+		caretSize: 5,
+		cornerRadius: 6,
+		multiKeyBackground: '#fff',
+		displayColors: true,
+		borderColor: 'rgba(0,0,0,0)',
+		borderWidth: 0,
+		callbacks: {
+			// Args are: (tooltipItems, data)
+			beforeTitle: helpers$1.noop,
+			title: function(tooltipItems, data) {
+				var title = '';
+				var labels = data.labels;
+				var labelCount = labels ? labels.length : 0;
+
+				if (tooltipItems.length > 0) {
+					var item = tooltipItems[0];
+					if (item.label) {
+						title = item.label;
+					} else if (item.xLabel) {
+						title = item.xLabel;
+					} else if (labelCount > 0 && item.index < labelCount) {
+						title = labels[item.index];
+					}
+				}
+
+				return title;
+			},
+			afterTitle: helpers$1.noop,
+
+			// Args are: (tooltipItems, data)
+			beforeBody: helpers$1.noop,
+
+			// Args are: (tooltipItem, data)
+			beforeLabel: helpers$1.noop,
+			label: function(tooltipItem, data) {
+				var label = data.datasets[tooltipItem.datasetIndex].label || '';
+
+				if (label) {
+					label += ': ';
+				}
+				if (!helpers$1.isNullOrUndef(tooltipItem.value)) {
+					label += tooltipItem.value;
+				} else {
+					label += tooltipItem.yLabel;
+				}
+				return label;
+			},
+			labelColor: function(tooltipItem, chart) {
+				var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);
+				var activeElement = meta.data[tooltipItem.index];
+				var view = activeElement._view;
+				return {
+					borderColor: view.borderColor,
+					backgroundColor: view.backgroundColor
+				};
+			},
+			labelTextColor: function() {
+				return this._options.bodyFontColor;
+			},
+			afterLabel: helpers$1.noop,
+
+			// Args are: (tooltipItems, data)
+			afterBody: helpers$1.noop,
+
+			// Args are: (tooltipItems, data)
+			beforeFooter: helpers$1.noop,
+			footer: helpers$1.noop,
+			afterFooter: helpers$1.noop
+		}
+	}
+});
+
+var positioners = {
+	/**
+	 * Average mode places the tooltip at the average position of the elements shown
+	 * @function Chart.Tooltip.positioners.average
+	 * @param elements {ChartElement[]} the elements being displayed in the tooltip
+	 * @returns {object} tooltip position
+	 */
+	average: function(elements) {
+		if (!elements.length) {
+			return false;
+		}
+
+		var i, len;
+		var x = 0;
+		var y = 0;
+		var count = 0;
+
+		for (i = 0, len = elements.length; i < len; ++i) {
+			var el = elements[i];
+			if (el && el.hasValue()) {
+				var pos = el.tooltipPosition();
+				x += pos.x;
+				y += pos.y;
+				++count;
+			}
+		}
+
+		return {
+			x: x / count,
+			y: y / count
+		};
+	},
+
+	/**
+	 * Gets the tooltip position nearest of the item nearest to the event position
+	 * @function Chart.Tooltip.positioners.nearest
+	 * @param elements {Chart.Element[]} the tooltip elements
+	 * @param eventPosition {object} the position of the event in canvas coordinates
+	 * @returns {object} the tooltip position
+	 */
+	nearest: function(elements, eventPosition) {
+		var x = eventPosition.x;
+		var y = eventPosition.y;
+		var minDistance = Number.POSITIVE_INFINITY;
+		var i, len, nearestElement;
+
+		for (i = 0, len = elements.length; i < len; ++i) {
+			var el = elements[i];
+			if (el && el.hasValue()) {
+				var center = el.getCenterPoint();
+				var d = helpers$1.distanceBetweenPoints(eventPosition, center);
+
+				if (d < minDistance) {
+					minDistance = d;
+					nearestElement = el;
+				}
+			}
+		}
+
+		if (nearestElement) {
+			var tp = nearestElement.tooltipPosition();
+			x = tp.x;
+			y = tp.y;
+		}
+
+		return {
+			x: x,
+			y: y
+		};
+	}
+};
+
+// Helper to push or concat based on if the 2nd parameter is an array or not
+function pushOrConcat(base, toPush) {
+	if (toPush) {
+		if (helpers$1.isArray(toPush)) {
+			// base = base.concat(toPush);
+			Array.prototype.push.apply(base, toPush);
+		} else {
+			base.push(toPush);
+		}
+	}
+
+	return base;
+}
+
+/**
+ * Returns array of strings split by newline
+ * @param {string} value - The value to split by newline.
+ * @returns {string[]} value if newline present - Returned from String split() method
+ * @function
+ */
+function splitNewlines(str) {
+	if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) {
+		return str.split('\n');
+	}
+	return str;
+}
+
+
+/**
+ * Private helper to create a tooltip item model
+ * @param element - the chart element (point, arc, bar) to create the tooltip item for
+ * @return new tooltip item
+ */
+function createTooltipItem(element) {
+	var xScale = element._xScale;
+	var yScale = element._yScale || element._scale; // handle radar || polarArea charts
+	var index = element._index;
+	var datasetIndex = element._datasetIndex;
+	var controller = element._chart.getDatasetMeta(datasetIndex).controller;
+	var indexScale = controller._getIndexScale();
+	var valueScale = controller._getValueScale();
+
+	return {
+		xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',
+		yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',
+		label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '',
+		value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '',
+		index: index,
+		datasetIndex: datasetIndex,
+		x: element._model.x,
+		y: element._model.y
+	};
+}
+
+/**
+ * Helper to get the reset model for the tooltip
+ * @param tooltipOpts {object} the tooltip options
+ */
+function getBaseModel(tooltipOpts) {
+	var globalDefaults = core_defaults.global;
+
+	return {
+		// Positioning
+		xPadding: tooltipOpts.xPadding,
+		yPadding: tooltipOpts.yPadding,
+		xAlign: tooltipOpts.xAlign,
+		yAlign: tooltipOpts.yAlign,
+
+		// Drawing direction and text direction
+		rtl: tooltipOpts.rtl,
+		textDirection: tooltipOpts.textDirection,
+
+		// Body
+		bodyFontColor: tooltipOpts.bodyFontColor,
+		_bodyFontFamily: valueOrDefault$8(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),
+		_bodyFontStyle: valueOrDefault$8(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),
+		_bodyAlign: tooltipOpts.bodyAlign,
+		bodyFontSize: valueOrDefault$8(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),
+		bodySpacing: tooltipOpts.bodySpacing,
+
+		// Title
+		titleFontColor: tooltipOpts.titleFontColor,
+		_titleFontFamily: valueOrDefault$8(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),
+		_titleFontStyle: valueOrDefault$8(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),
+		titleFontSize: valueOrDefault$8(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),
+		_titleAlign: tooltipOpts.titleAlign,
+		titleSpacing: tooltipOpts.titleSpacing,
+		titleMarginBottom: tooltipOpts.titleMarginBottom,
+
+		// Footer
+		footerFontColor: tooltipOpts.footerFontColor,
+		_footerFontFamily: valueOrDefault$8(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),
+		_footerFontStyle: valueOrDefault$8(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),
+		footerFontSize: valueOrDefault$8(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),
+		_footerAlign: tooltipOpts.footerAlign,
+		footerSpacing: tooltipOpts.footerSpacing,
+		footerMarginTop: tooltipOpts.footerMarginTop,
+
+		// Appearance
+		caretSize: tooltipOpts.caretSize,
+		cornerRadius: tooltipOpts.cornerRadius,
+		backgroundColor: tooltipOpts.backgroundColor,
+		opacity: 0,
+		legendColorBackground: tooltipOpts.multiKeyBackground,
+		displayColors: tooltipOpts.displayColors,
+		borderColor: tooltipOpts.borderColor,
+		borderWidth: tooltipOpts.borderWidth
+	};
+}
+
+/**
+ * Get the size of the tooltip
+ */
+function getTooltipSize(tooltip, model) {
+	var ctx = tooltip._chart.ctx;
+
+	var height = model.yPadding * 2; // Tooltip Padding
+	var width = 0;
+
+	// Count of all lines in the body
+	var body = model.body;
+	var combinedBodyLength = body.reduce(function(count, bodyItem) {
+		return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;
+	}, 0);
+	combinedBodyLength += model.beforeBody.length + model.afterBody.length;
+
+	var titleLineCount = model.title.length;
+	var footerLineCount = model.footer.length;
+	var titleFontSize = model.titleFontSize;
+	var bodyFontSize = model.bodyFontSize;
+	var footerFontSize = model.footerFontSize;
+
+	height += titleLineCount * titleFontSize; // Title Lines
+	height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing
+	height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin
+	height += combinedBodyLength * bodyFontSize; // Body Lines
+	height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing
+	height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin
+	height += footerLineCount * (footerFontSize); // Footer Lines
+	height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing
+
+	// Title width
+	var widthPadding = 0;
+	var maxLineWidth = function(line) {
+		width = Math.max(width, ctx.measureText(line).width + widthPadding);
+	};
+
+	ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);
+	helpers$1.each(model.title, maxLineWidth);
+
+	// Body width
+	ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);
+	helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth);
+
+	// Body lines may include some extra width due to the color box
+	widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;
+	helpers$1.each(body, function(bodyItem) {
+		helpers$1.each(bodyItem.before, maxLineWidth);
+		helpers$1.each(bodyItem.lines, maxLineWidth);
+		helpers$1.each(bodyItem.after, maxLineWidth);
+	});
+
+	// Reset back to 0
+	widthPadding = 0;
+
+	// Footer width
+	ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);
+	helpers$1.each(model.footer, maxLineWidth);
+
+	// Add padding
+	width += 2 * model.xPadding;
+
+	return {
+		width: width,
+		height: height
+	};
+}
+
+/**
+ * Helper to get the alignment of a tooltip given the size
+ */
+function determineAlignment(tooltip, size) {
+	var model = tooltip._model;
+	var chart = tooltip._chart;
+	var chartArea = tooltip._chart.chartArea;
+	var xAlign = 'center';
+	var yAlign = 'center';
+
+	if (model.y < size.height) {
+		yAlign = 'top';
+	} else if (model.y > (chart.height - size.height)) {
+		yAlign = 'bottom';
+	}
+
+	var lf, rf; // functions to determine left, right alignment
+	var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart
+	var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges
+	var midX = (chartArea.left + chartArea.right) / 2;
+	var midY = (chartArea.top + chartArea.bottom) / 2;
+
+	if (yAlign === 'center') {
+		lf = function(x) {
+			return x <= midX;
+		};
+		rf = function(x) {
+			return x > midX;
+		};
+	} else {
+		lf = function(x) {
+			return x <= (size.width / 2);
+		};
+		rf = function(x) {
+			return x >= (chart.width - (size.width / 2));
+		};
+	}
+
+	olf = function(x) {
+		return x + size.width + model.caretSize + model.caretPadding > chart.width;
+	};
+	orf = function(x) {
+		return x - size.width - model.caretSize - model.caretPadding < 0;
+	};
+	yf = function(y) {
+		return y <= midY ? 'top' : 'bottom';
+	};
+
+	if (lf(model.x)) {
+		xAlign = 'left';
+
+		// Is tooltip too wide and goes over the right side of the chart.?
+		if (olf(model.x)) {
+			xAlign = 'center';
+			yAlign = yf(model.y);
+		}
+	} else if (rf(model.x)) {
+		xAlign = 'right';
+
+		// Is tooltip too wide and goes outside left edge of canvas?
+		if (orf(model.x)) {
+			xAlign = 'center';
+			yAlign = yf(model.y);
+		}
+	}
+
+	var opts = tooltip._options;
+	return {
+		xAlign: opts.xAlign ? opts.xAlign : xAlign,
+		yAlign: opts.yAlign ? opts.yAlign : yAlign
+	};
+}
+
+/**
+ * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment
+ */
+function getBackgroundPoint(vm, size, alignment, chart) {
+	// Background Position
+	var x = vm.x;
+	var y = vm.y;
+
+	var caretSize = vm.caretSize;
+	var caretPadding = vm.caretPadding;
+	var cornerRadius = vm.cornerRadius;
+	var xAlign = alignment.xAlign;
+	var yAlign = alignment.yAlign;
+	var paddingAndSize = caretSize + caretPadding;
+	var radiusAndPadding = cornerRadius + caretPadding;
+
+	if (xAlign === 'right') {
+		x -= size.width;
+	} else if (xAlign === 'center') {
+		x -= (size.width / 2);
+		if (x + size.width > chart.width) {
+			x = chart.width - size.width;
+		}
+		if (x < 0) {
+			x = 0;
+		}
+	}
+
+	if (yAlign === 'top') {
+		y += paddingAndSize;
+	} else if (yAlign === 'bottom') {
+		y -= size.height + paddingAndSize;
+	} else {
+		y -= (size.height / 2);
+	}
+
+	if (yAlign === 'center') {
+		if (xAlign === 'left') {
+			x += paddingAndSize;
+		} else if (xAlign === 'right') {
+			x -= paddingAndSize;
+		}
+	} else if (xAlign === 'left') {
+		x -= radiusAndPadding;
+	} else if (xAlign === 'right') {
+		x += radiusAndPadding;
+	}
+
+	return {
+		x: x,
+		y: y
+	};
+}
+
+function getAlignedX(vm, align) {
+	return align === 'center'
+		? vm.x + vm.width / 2
+		: align === 'right'
+			? vm.x + vm.width - vm.xPadding
+			: vm.x + vm.xPadding;
+}
+
+/**
+ * Helper to build before and after body lines
+ */
+function getBeforeAfterBodyLines(callback) {
+	return pushOrConcat([], splitNewlines(callback));
+}
+
+var exports$4 = core_element.extend({
+	initialize: function() {
+		this._model = getBaseModel(this._options);
+		this._lastActive = [];
+	},
+
+	// Get the title
+	// Args are: (tooltipItem, data)
+	getTitle: function() {
+		var me = this;
+		var opts = me._options;
+		var callbacks = opts.callbacks;
+
+		var beforeTitle = callbacks.beforeTitle.apply(me, arguments);
+		var title = callbacks.title.apply(me, arguments);
+		var afterTitle = callbacks.afterTitle.apply(me, arguments);
+
+		var lines = [];
+		lines = pushOrConcat(lines, splitNewlines(beforeTitle));
+		lines = pushOrConcat(lines, splitNewlines(title));
+		lines = pushOrConcat(lines, splitNewlines(afterTitle));
+
+		return lines;
+	},
+
+	// Args are: (tooltipItem, data)
+	getBeforeBody: function() {
+		return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments));
+	},
+
+	// Args are: (tooltipItem, data)
+	getBody: function(tooltipItems, data) {
+		var me = this;
+		var callbacks = me._options.callbacks;
+		var bodyItems = [];
+
+		helpers$1.each(tooltipItems, function(tooltipItem) {
+			var bodyItem = {
+				before: [],
+				lines: [],
+				after: []
+			};
+			pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data)));
+			pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));
+			pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data)));
+
+			bodyItems.push(bodyItem);
+		});
+
+		return bodyItems;
+	},
+
+	// Args are: (tooltipItem, data)
+	getAfterBody: function() {
+		return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments));
+	},
+
+	// Get the footer and beforeFooter and afterFooter lines
+	// Args are: (tooltipItem, data)
+	getFooter: function() {
+		var me = this;
+		var callbacks = me._options.callbacks;
+
+		var beforeFooter = callbacks.beforeFooter.apply(me, arguments);
+		var footer = callbacks.footer.apply(me, arguments);
+		var afterFooter = callbacks.afterFooter.apply(me, arguments);
+
+		var lines = [];
+		lines = pushOrConcat(lines, splitNewlines(beforeFooter));
+		lines = pushOrConcat(lines, splitNewlines(footer));
+		lines = pushOrConcat(lines, splitNewlines(afterFooter));
+
+		return lines;
+	},
+
+	update: function(changed) {
+		var me = this;
+		var opts = me._options;
+
+		// Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition
+		// that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time
+		// which breaks any animations.
+		var existingModel = me._model;
+		var model = me._model = getBaseModel(opts);
+		var active = me._active;
+
+		var data = me._data;
+
+		// In the case where active.length === 0 we need to keep these at existing values for good animations
+		var alignment = {
+			xAlign: existingModel.xAlign,
+			yAlign: existingModel.yAlign
+		};
+		var backgroundPoint = {
+			x: existingModel.x,
+			y: existingModel.y
+		};
+		var tooltipSize = {
+			width: existingModel.width,
+			height: existingModel.height
+		};
+		var tooltipPosition = {
+			x: existingModel.caretX,
+			y: existingModel.caretY
+		};
+
+		var i, len;
+
+		if (active.length) {
+			model.opacity = 1;
+
+			var labelColors = [];
+			var labelTextColors = [];
+			tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition);
+
+			var tooltipItems = [];
+			for (i = 0, len = active.length; i < len; ++i) {
+				tooltipItems.push(createTooltipItem(active[i]));
+			}
+
+			// If the user provided a filter function, use it to modify the tooltip items
+			if (opts.filter) {
+				tooltipItems = tooltipItems.filter(function(a) {
+					return opts.filter(a, data);
+				});
+			}
+
+			// If the user provided a sorting function, use it to modify the tooltip items
+			if (opts.itemSort) {
+				tooltipItems = tooltipItems.sort(function(a, b) {
+					return opts.itemSort(a, b, data);
+				});
+			}
+
+			// Determine colors for boxes
+			helpers$1.each(tooltipItems, function(tooltipItem) {
+				labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));
+				labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));
+			});
+
+
+			// Build the Text Lines
+			model.title = me.getTitle(tooltipItems, data);
+			model.beforeBody = me.getBeforeBody(tooltipItems, data);
+			model.body = me.getBody(tooltipItems, data);
+			model.afterBody = me.getAfterBody(tooltipItems, data);
+			model.footer = me.getFooter(tooltipItems, data);
+
+			// Initial positioning and colors
+			model.x = tooltipPosition.x;
+			model.y = tooltipPosition.y;
+			model.caretPadding = opts.caretPadding;
+			model.labelColors = labelColors;
+			model.labelTextColors = labelTextColors;
+
+			// data points
+			model.dataPoints = tooltipItems;
+
+			// We need to determine alignment of the tooltip
+			tooltipSize = getTooltipSize(this, model);
+			alignment = determineAlignment(this, tooltipSize);
+			// Final Size and Position
+			backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart);
+		} else {
+			model.opacity = 0;
+		}
+
+		model.xAlign = alignment.xAlign;
+		model.yAlign = alignment.yAlign;
+		model.x = backgroundPoint.x;
+		model.y = backgroundPoint.y;
+		model.width = tooltipSize.width;
+		model.height = tooltipSize.height;
+
+		// Point where the caret on the tooltip points to
+		model.caretX = tooltipPosition.x;
+		model.caretY = tooltipPosition.y;
+
+		me._model = model;
+
+		if (changed && opts.custom) {
+			opts.custom.call(me, model);
+		}
+
+		return me;
+	},
+
+	drawCaret: function(tooltipPoint, size) {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+		var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);
+
+		ctx.lineTo(caretPosition.x1, caretPosition.y1);
+		ctx.lineTo(caretPosition.x2, caretPosition.y2);
+		ctx.lineTo(caretPosition.x3, caretPosition.y3);
+	},
+	getCaretPosition: function(tooltipPoint, size, vm) {
+		var x1, x2, x3, y1, y2, y3;
+		var caretSize = vm.caretSize;
+		var cornerRadius = vm.cornerRadius;
+		var xAlign = vm.xAlign;
+		var yAlign = vm.yAlign;
+		var ptX = tooltipPoint.x;
+		var ptY = tooltipPoint.y;
+		var width = size.width;
+		var height = size.height;
+
+		if (yAlign === 'center') {
+			y2 = ptY + (height / 2);
+
+			if (xAlign === 'left') {
+				x1 = ptX;
+				x2 = x1 - caretSize;
+				x3 = x1;
+
+				y1 = y2 + caretSize;
+				y3 = y2 - caretSize;
+			} else {
+				x1 = ptX + width;
+				x2 = x1 + caretSize;
+				x3 = x1;
+
+				y1 = y2 - caretSize;
+				y3 = y2 + caretSize;
+			}
+		} else {
+			if (xAlign === 'left') {
+				x2 = ptX + cornerRadius + (caretSize);
+				x1 = x2 - caretSize;
+				x3 = x2 + caretSize;
+			} else if (xAlign === 'right') {
+				x2 = ptX + width - cornerRadius - caretSize;
+				x1 = x2 - caretSize;
+				x3 = x2 + caretSize;
+			} else {
+				x2 = vm.caretX;
+				x1 = x2 - caretSize;
+				x3 = x2 + caretSize;
+			}
+			if (yAlign === 'top') {
+				y1 = ptY;
+				y2 = y1 - caretSize;
+				y3 = y1;
+			} else {
+				y1 = ptY + height;
+				y2 = y1 + caretSize;
+				y3 = y1;
+				// invert drawing order
+				var tmp = x3;
+				x3 = x1;
+				x1 = tmp;
+			}
+		}
+		return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};
+	},
+
+	drawTitle: function(pt, vm, ctx) {
+		var title = vm.title;
+		var length = title.length;
+		var titleFontSize, titleSpacing, i;
+
+		if (length) {
+			var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width);
+
+			pt.x = getAlignedX(vm, vm._titleAlign);
+
+			ctx.textAlign = rtlHelper.textAlign(vm._titleAlign);
+			ctx.textBaseline = 'middle';
+
+			titleFontSize = vm.titleFontSize;
+			titleSpacing = vm.titleSpacing;
+
+			ctx.fillStyle = vm.titleFontColor;
+			ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);
+
+			for (i = 0; i < length; ++i) {
+				ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFontSize / 2);
+				pt.y += titleFontSize + titleSpacing; // Line Height and spacing
+
+				if (i + 1 === length) {
+					pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing
+				}
+			}
+		}
+	},
+
+	drawBody: function(pt, vm, ctx) {
+		var bodyFontSize = vm.bodyFontSize;
+		var bodySpacing = vm.bodySpacing;
+		var bodyAlign = vm._bodyAlign;
+		var body = vm.body;
+		var drawColorBoxes = vm.displayColors;
+		var xLinePadding = 0;
+		var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0;
+
+		var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width);
+
+		var fillLineOfText = function(line) {
+			ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyFontSize / 2);
+			pt.y += bodyFontSize + bodySpacing;
+		};
+
+		var bodyItem, textColor, labelColors, lines, i, j, ilen, jlen;
+		var bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);
+
+		ctx.textAlign = bodyAlign;
+		ctx.textBaseline = 'middle';
+		ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);
+
+		pt.x = getAlignedX(vm, bodyAlignForCalculation);
+
+		// Before body lines
+		ctx.fillStyle = vm.bodyFontColor;
+		helpers$1.each(vm.beforeBody, fillLineOfText);
+
+		xLinePadding = drawColorBoxes && bodyAlignForCalculation !== 'right'
+			? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2)
+			: 0;
+
+		// Draw body lines now
+		for (i = 0, ilen = body.length; i < ilen; ++i) {
+			bodyItem = body[i];
+			textColor = vm.labelTextColors[i];
+			labelColors = vm.labelColors[i];
+
+			ctx.fillStyle = textColor;
+			helpers$1.each(bodyItem.before, fillLineOfText);
+
+			lines = bodyItem.lines;
+			for (j = 0, jlen = lines.length; j < jlen; ++j) {
+				// Draw Legend-like boxes if needed
+				if (drawColorBoxes) {
+					var rtlColorX = rtlHelper.x(colorX);
+
+					// Fill a white rect so that colours merge nicely if the opacity is < 1
+					ctx.fillStyle = vm.legendColorBackground;
+					ctx.fillRect(rtlHelper.leftForLtr(rtlColorX, bodyFontSize), pt.y, bodyFontSize, bodyFontSize);
+
+					// Border
+					ctx.lineWidth = 1;
+					ctx.strokeStyle = labelColors.borderColor;
+					ctx.strokeRect(rtlHelper.leftForLtr(rtlColorX, bodyFontSize), pt.y, bodyFontSize, bodyFontSize);
+
+					// Inner square
+					ctx.fillStyle = labelColors.backgroundColor;
+					ctx.fillRect(rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), bodyFontSize - 2), pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);
+					ctx.fillStyle = textColor;
+				}
+
+				fillLineOfText(lines[j]);
+			}
+
+			helpers$1.each(bodyItem.after, fillLineOfText);
+		}
+
+		// Reset back to 0 for after body
+		xLinePadding = 0;
+
+		// After body lines
+		helpers$1.each(vm.afterBody, fillLineOfText);
+		pt.y -= bodySpacing; // Remove last body spacing
+	},
+
+	drawFooter: function(pt, vm, ctx) {
+		var footer = vm.footer;
+		var length = footer.length;
+		var footerFontSize, i;
+
+		if (length) {
+			var rtlHelper = getRtlHelper(vm.rtl, vm.x, vm.width);
+
+			pt.x = getAlignedX(vm, vm._footerAlign);
+			pt.y += vm.footerMarginTop;
+
+			ctx.textAlign = rtlHelper.textAlign(vm._footerAlign);
+			ctx.textBaseline = 'middle';
+
+			footerFontSize = vm.footerFontSize;
+
+			ctx.fillStyle = vm.footerFontColor;
+			ctx.font = helpers$1.fontString(footerFontSize, vm._footerFontStyle, vm._footerFontFamily);
+
+			for (i = 0; i < length; ++i) {
+				ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFontSize / 2);
+				pt.y += footerFontSize + vm.footerSpacing;
+			}
+		}
+	},
+
+	drawBackground: function(pt, vm, ctx, tooltipSize) {
+		ctx.fillStyle = vm.backgroundColor;
+		ctx.strokeStyle = vm.borderColor;
+		ctx.lineWidth = vm.borderWidth;
+		var xAlign = vm.xAlign;
+		var yAlign = vm.yAlign;
+		var x = pt.x;
+		var y = pt.y;
+		var width = tooltipSize.width;
+		var height = tooltipSize.height;
+		var radius = vm.cornerRadius;
+
+		ctx.beginPath();
+		ctx.moveTo(x + radius, y);
+		if (yAlign === 'top') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x + width - radius, y);
+		ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
+		if (yAlign === 'center' && xAlign === 'right') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x + width, y + height - radius);
+		ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
+		if (yAlign === 'bottom') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x + radius, y + height);
+		ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
+		if (yAlign === 'center' && xAlign === 'left') {
+			this.drawCaret(pt, tooltipSize);
+		}
+		ctx.lineTo(x, y + radius);
+		ctx.quadraticCurveTo(x, y, x + radius, y);
+		ctx.closePath();
+
+		ctx.fill();
+
+		if (vm.borderWidth > 0) {
+			ctx.stroke();
+		}
+	},
+
+	draw: function() {
+		var ctx = this._chart.ctx;
+		var vm = this._view;
+
+		if (vm.opacity === 0) {
+			return;
+		}
+
+		var tooltipSize = {
+			width: vm.width,
+			height: vm.height
+		};
+		var pt = {
+			x: vm.x,
+			y: vm.y
+		};
+
+		// IE11/Edge does not like very small opacities, so snap to 0
+		var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;
+
+		// Truthy/falsey value for empty tooltip
+		var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;
+
+		if (this._options.enabled && hasTooltipContent) {
+			ctx.save();
+			ctx.globalAlpha = opacity;
+
+			// Draw Background
+			this.drawBackground(pt, vm, ctx, tooltipSize);
+
+			// Draw Title, Body, and Footer
+			pt.y += vm.yPadding;
+
+			helpers$1.rtl.overrideTextDirection(ctx, vm.textDirection);
+
+			// Titles
+			this.drawTitle(pt, vm, ctx);
+
+			// Body
+			this.drawBody(pt, vm, ctx);
+
+			// Footer
+			this.drawFooter(pt, vm, ctx);
+
+			helpers$1.rtl.restoreTextDirection(ctx, vm.textDirection);
+
+			ctx.restore();
+		}
+	},
+
+	/**
+	 * Handle an event
+	 * @private
+	 * @param {IEvent} event - The event to handle
+	 * @returns {boolean} true if the tooltip changed
+	 */
+	handleEvent: function(e) {
+		var me = this;
+		var options = me._options;
+		var changed = false;
+
+		me._lastActive = me._lastActive || [];
+
+		// Find Active Elements for tooltips
+		if (e.type === 'mouseout') {
+			me._active = [];
+		} else {
+			me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);
+			if (options.reverse) {
+				me._active.reverse();
+			}
+		}
+
+		// Remember Last Actives
+		changed = !helpers$1.arrayEquals(me._active, me._lastActive);
+
+		// Only handle target event on tooltip change
+		if (changed) {
+			me._lastActive = me._active;
+
+			if (options.enabled || options.custom) {
+				me._eventPosition = {
+					x: e.x,
+					y: e.y
+				};
+
+				me.update(true);
+				me.pivot();
+			}
+		}
+
+		return changed;
+	}
+});
+
+/**
+ * @namespace Chart.Tooltip.positioners
+ */
+var positioners_1 = positioners;
+
+var core_tooltip = exports$4;
+core_tooltip.positioners = positioners_1;
+
+var valueOrDefault$9 = helpers$1.valueOrDefault;
+
+core_defaults._set('global', {
+	elements: {},
+	events: [
+		'mousemove',
+		'mouseout',
+		'click',
+		'touchstart',
+		'touchmove'
+	],
+	hover: {
+		onHover: null,
+		mode: 'nearest',
+		intersect: true,
+		animationDuration: 400
+	},
+	onClick: null,
+	maintainAspectRatio: true,
+	responsive: true,
+	responsiveAnimationDuration: 0
+});
+
+/**
+ * Recursively merge the given config objects representing the `scales` option
+ * by incorporating scale defaults in `xAxes` and `yAxes` array items, then
+ * returns a deep copy of the result, thus doesn't alter inputs.
+ */
+function mergeScaleConfig(/* config objects ... */) {
+	return helpers$1.merge(Object.create(null), [].slice.call(arguments), {
+		merger: function(key, target, source, options) {
+			if (key === 'xAxes' || key === 'yAxes') {
+				var slen = source[key].length;
+				var i, type, scale;
+
+				if (!target[key]) {
+					target[key] = [];
+				}
+
+				for (i = 0; i < slen; ++i) {
+					scale = source[key][i];
+					type = valueOrDefault$9(scale.type, key === 'xAxes' ? 'category' : 'linear');
+
+					if (i >= target[key].length) {
+						target[key].push({});
+					}
+
+					if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {
+						// new/untyped scale or type changed: let's apply the new defaults
+						// then merge source scale to correctly overwrite the defaults.
+						helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]);
+					} else {
+						// scales type are the same
+						helpers$1.merge(target[key][i], scale);
+					}
+				}
+			} else {
+				helpers$1._merger(key, target, source, options);
+			}
+		}
+	});
+}
+
+/**
+ * Recursively merge the given config objects as the root options by handling
+ * default scale options for the `scales` and `scale` properties, then returns
+ * a deep copy of the result, thus doesn't alter inputs.
+ */
+function mergeConfig(/* config objects ... */) {
+	return helpers$1.merge(Object.create(null), [].slice.call(arguments), {
+		merger: function(key, target, source, options) {
+			var tval = target[key] || Object.create(null);
+			var sval = source[key];
+
+			if (key === 'scales') {
+				// scale config merging is complex. Add our own function here for that
+				target[key] = mergeScaleConfig(tval, sval);
+			} else if (key === 'scale') {
+				// used in polar area & radar charts since there is only one scale
+				target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]);
+			} else {
+				helpers$1._merger(key, target, source, options);
+			}
+		}
+	});
+}
+
+function initConfig(config) {
+	config = config || Object.create(null);
+
+	// Do NOT use mergeConfig for the data object because this method merges arrays
+	// and so would change references to labels and datasets, preventing data updates.
+	var data = config.data = config.data || {};
+	data.datasets = data.datasets || [];
+	data.labels = data.labels || [];
+
+	config.options = mergeConfig(
+		core_defaults.global,
+		core_defaults[config.type],
+		config.options || {});
+
+	return config;
+}
+
+function updateConfig(chart) {
+	var newOptions = chart.options;
+
+	helpers$1.each(chart.scales, function(scale) {
+		core_layouts.removeBox(chart, scale);
+	});
+
+	newOptions = mergeConfig(
+		core_defaults.global,
+		core_defaults[chart.config.type],
+		newOptions);
+
+	chart.options = chart.config.options = newOptions;
+	chart.ensureScalesHaveIDs();
+	chart.buildOrUpdateScales();
+
+	// Tooltip
+	chart.tooltip._options = newOptions.tooltips;
+	chart.tooltip.initialize();
+}
+
+function nextAvailableScaleId(axesOpts, prefix, index) {
+	var id;
+	var hasId = function(obj) {
+		return obj.id === id;
+	};
+
+	do {
+		id = prefix + index++;
+	} while (helpers$1.findIndex(axesOpts, hasId) >= 0);
+
+	return id;
+}
+
+function positionIsHorizontal(position) {
+	return position === 'top' || position === 'bottom';
+}
+
+function compare2Level(l1, l2) {
+	return function(a, b) {
+		return a[l1] === b[l1]
+			? a[l2] - b[l2]
+			: a[l1] - b[l1];
+	};
+}
+
+var Chart = function(item, config) {
+	this.construct(item, config);
+	return this;
+};
+
+helpers$1.extend(Chart.prototype, /** @lends Chart */ {
+	/**
+	 * @private
+	 */
+	construct: function(item, config) {
+		var me = this;
+
+		config = initConfig(config);
+
+		var context = platform.acquireContext(item, config);
+		var canvas = context && context.canvas;
+		var height = canvas && canvas.height;
+		var width = canvas && canvas.width;
+
+		me.id = helpers$1.uid();
+		me.ctx = context;
+		me.canvas = canvas;
+		me.config = config;
+		me.width = width;
+		me.height = height;
+		me.aspectRatio = height ? width / height : null;
+		me.options = config.options;
+		me._bufferedRender = false;
+		me._layers = [];
+
+		/**
+		 * Provided for backward compatibility, Chart and Chart.Controller have been merged,
+		 * the "instance" still need to be defined since it might be called from plugins.
+		 * @prop Chart#chart
+		 * @deprecated since version 2.6.0
+		 * @todo remove at version 3
+		 * @private
+		 */
+		me.chart = me;
+		me.controller = me; // chart.chart.controller #inception
+
+		// Add the chart instance to the global namespace
+		Chart.instances[me.id] = me;
+
+		// Define alias to the config data: `chart.data === chart.config.data`
+		Object.defineProperty(me, 'data', {
+			get: function() {
+				return me.config.data;
+			},
+			set: function(value) {
+				me.config.data = value;
+			}
+		});
+
+		if (!context || !canvas) {
+			// The given item is not a compatible context2d element, let's return before finalizing
+			// the chart initialization but after setting basic chart / controller properties that
+			// can help to figure out that the chart is not valid (e.g chart.canvas !== null);
+			// https://github.com/chartjs/Chart.js/issues/2807
+			console.error("Failed to create chart: can't acquire context from the given item");
+			return;
+		}
+
+		me.initialize();
+		me.update();
+	},
+
+	/**
+	 * @private
+	 */
+	initialize: function() {
+		var me = this;
+
+		// Before init plugin notification
+		core_plugins.notify(me, 'beforeInit');
+
+		helpers$1.retinaScale(me, me.options.devicePixelRatio);
+
+		me.bindEvents();
+
+		if (me.options.responsive) {
+			// Initial resize before chart draws (must be silent to preserve initial animations).
+			me.resize(true);
+		}
+
+		me.initToolTip();
+
+		// After init plugin notification
+		core_plugins.notify(me, 'afterInit');
+
+		return me;
+	},
+
+	clear: function() {
+		helpers$1.canvas.clear(this);
+		return this;
+	},
+
+	stop: function() {
+		// Stops any current animation loop occurring
+		core_animations.cancelAnimation(this);
+		return this;
+	},
+
+	resize: function(silent) {
+		var me = this;
+		var options = me.options;
+		var canvas = me.canvas;
+		var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;
+
+		// the canvas render width and height will be casted to integers so make sure that
+		// the canvas display style uses the same integer values to avoid blurring effect.
+
+		// Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed
+		var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas)));
+		var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas)));
+
+		if (me.width === newWidth && me.height === newHeight) {
+			return;
+		}
+
+		canvas.width = me.width = newWidth;
+		canvas.height = me.height = newHeight;
+		canvas.style.width = newWidth + 'px';
+		canvas.style.height = newHeight + 'px';
+
+		helpers$1.retinaScale(me, options.devicePixelRatio);
+
+		if (!silent) {
+			// Notify any plugins about the resize
+			var newSize = {width: newWidth, height: newHeight};
+			core_plugins.notify(me, 'resize', [newSize]);
+
+			// Notify of resize
+			if (options.onResize) {
+				options.onResize(me, newSize);
+			}
+
+			me.stop();
+			me.update({
+				duration: options.responsiveAnimationDuration
+			});
+		}
+	},
+
+	ensureScalesHaveIDs: function() {
+		var options = this.options;
+		var scalesOptions = options.scales || {};
+		var scaleOptions = options.scale;
+
+		helpers$1.each(scalesOptions.xAxes, function(xAxisOptions, index) {
+			if (!xAxisOptions.id) {
+				xAxisOptions.id = nextAvailableScaleId(scalesOptions.xAxes, 'x-axis-', index);
+			}
+		});
+
+		helpers$1.each(scalesOptions.yAxes, function(yAxisOptions, index) {
+			if (!yAxisOptions.id) {
+				yAxisOptions.id = nextAvailableScaleId(scalesOptions.yAxes, 'y-axis-', index);
+			}
+		});
+
+		if (scaleOptions) {
+			scaleOptions.id = scaleOptions.id || 'scale';
+		}
+	},
+
+	/**
+	 * Builds a map of scale ID to scale object for future lookup.
+	 */
+	buildOrUpdateScales: function() {
+		var me = this;
+		var options = me.options;
+		var scales = me.scales || {};
+		var items = [];
+		var updated = Object.keys(scales).reduce(function(obj, id) {
+			obj[id] = false;
+			return obj;
+		}, {});
+
+		if (options.scales) {
+			items = items.concat(
+				(options.scales.xAxes || []).map(function(xAxisOptions) {
+					return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};
+				}),
+				(options.scales.yAxes || []).map(function(yAxisOptions) {
+					return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};
+				})
+			);
+		}
+
+		if (options.scale) {
+			items.push({
+				options: options.scale,
+				dtype: 'radialLinear',
+				isDefault: true,
+				dposition: 'chartArea'
+			});
+		}
+
+		helpers$1.each(items, function(item) {
+			var scaleOptions = item.options;
+			var id = scaleOptions.id;
+			var scaleType = valueOrDefault$9(scaleOptions.type, item.dtype);
+
+			if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {
+				scaleOptions.position = item.dposition;
+			}
+
+			updated[id] = true;
+			var scale = null;
+			if (id in scales && scales[id].type === scaleType) {
+				scale = scales[id];
+				scale.options = scaleOptions;
+				scale.ctx = me.ctx;
+				scale.chart = me;
+			} else {
+				var scaleClass = core_scaleService.getScaleConstructor(scaleType);
+				if (!scaleClass) {
+					return;
+				}
+				scale = new scaleClass({
+					id: id,
+					type: scaleType,
+					options: scaleOptions,
+					ctx: me.ctx,
+					chart: me
+				});
+				scales[scale.id] = scale;
+			}
+
+			scale.mergeTicksOptions();
+
+			// TODO(SB): I think we should be able to remove this custom case (options.scale)
+			// and consider it as a regular scale part of the "scales"" map only! This would
+			// make the logic easier and remove some useless? custom code.
+			if (item.isDefault) {
+				me.scale = scale;
+			}
+		});
+		// clear up discarded scales
+		helpers$1.each(updated, function(hasUpdated, id) {
+			if (!hasUpdated) {
+				delete scales[id];
+			}
+		});
+
+		me.scales = scales;
+
+		core_scaleService.addScalesToLayout(this);
+	},
+
+	buildOrUpdateControllers: function() {
+		var me = this;
+		var newControllers = [];
+		var datasets = me.data.datasets;
+		var i, ilen;
+
+		for (i = 0, ilen = datasets.length; i < ilen; i++) {
+			var dataset = datasets[i];
+			var meta = me.getDatasetMeta(i);
+			var type = dataset.type || me.config.type;
+
+			if (meta.type && meta.type !== type) {
+				me.destroyDatasetMeta(i);
+				meta = me.getDatasetMeta(i);
+			}
+			meta.type = type;
+			meta.order = dataset.order || 0;
+			meta.index = i;
+
+			if (meta.controller) {
+				meta.controller.updateIndex(i);
+				meta.controller.linkScales();
+			} else {
+				var ControllerClass = controllers[meta.type];
+				if (ControllerClass === undefined) {
+					throw new Error('"' + meta.type + '" is not a chart type.');
+				}
+
+				meta.controller = new ControllerClass(me, i);
+				newControllers.push(meta.controller);
+			}
+		}
+
+		return newControllers;
+	},
+
+	/**
+	 * Reset the elements of all datasets
+	 * @private
+	 */
+	resetElements: function() {
+		var me = this;
+		helpers$1.each(me.data.datasets, function(dataset, datasetIndex) {
+			me.getDatasetMeta(datasetIndex).controller.reset();
+		}, me);
+	},
+
+	/**
+	* Resets the chart back to it's state before the initial animation
+	*/
+	reset: function() {
+		this.resetElements();
+		this.tooltip.initialize();
+	},
+
+	update: function(config) {
+		var me = this;
+		var i, ilen;
+
+		if (!config || typeof config !== 'object') {
+			// backwards compatibility
+			config = {
+				duration: config,
+				lazy: arguments[1]
+			};
+		}
+
+		updateConfig(me);
+
+		// plugins options references might have change, let's invalidate the cache
+		// https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167
+		core_plugins._invalidate(me);
+
+		if (core_plugins.notify(me, 'beforeUpdate') === false) {
+			return;
+		}
+
+		// In case the entire data object changed
+		me.tooltip._data = me.data;
+
+		// Make sure dataset controllers are updated and new controllers are reset
+		var newControllers = me.buildOrUpdateControllers();
+
+		// Make sure all dataset controllers have correct meta data counts
+		for (i = 0, ilen = me.data.datasets.length; i < ilen; i++) {
+			me.getDatasetMeta(i).controller.buildOrUpdateElements();
+		}
+
+		me.updateLayout();
+
+		// Can only reset the new controllers after the scales have been updated
+		if (me.options.animation && me.options.animation.duration) {
+			helpers$1.each(newControllers, function(controller) {
+				controller.reset();
+			});
+		}
+
+		me.updateDatasets();
+
+		// Need to reset tooltip in case it is displayed with elements that are removed
+		// after update.
+		me.tooltip.initialize();
+
+		// Last active contains items that were previously in the tooltip.
+		// When we reset the tooltip, we need to clear it
+		me.lastActive = [];
+
+		// Do this before render so that any plugins that need final scale updates can use it
+		core_plugins.notify(me, 'afterUpdate');
+
+		me._layers.sort(compare2Level('z', '_idx'));
+
+		if (me._bufferedRender) {
+			me._bufferedRequest = {
+				duration: config.duration,
+				easing: config.easing,
+				lazy: config.lazy
+			};
+		} else {
+			me.render(config);
+		}
+	},
+
+	/**
+	 * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`
+	 * hook, in which case, plugins will not be called on `afterLayout`.
+	 * @private
+	 */
+	updateLayout: function() {
+		var me = this;
+
+		if (core_plugins.notify(me, 'beforeLayout') === false) {
+			return;
+		}
+
+		core_layouts.update(this, this.width, this.height);
+
+		me._layers = [];
+		helpers$1.each(me.boxes, function(box) {
+			// _configure is called twice, once in core.scale.update and once here.
+			// Here the boxes are fully updated and at their final positions.
+			if (box._configure) {
+				box._configure();
+			}
+			me._layers.push.apply(me._layers, box._layers());
+		}, me);
+
+		me._layers.forEach(function(item, index) {
+			item._idx = index;
+		});
+
+		/**
+		 * Provided for backward compatibility, use `afterLayout` instead.
+		 * @method IPlugin#afterScaleUpdate
+		 * @deprecated since version 2.5.0
+		 * @todo remove at version 3
+		 * @private
+		 */
+		core_plugins.notify(me, 'afterScaleUpdate');
+		core_plugins.notify(me, 'afterLayout');
+	},
+
+	/**
+	 * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`
+	 * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.
+	 * @private
+	 */
+	updateDatasets: function() {
+		var me = this;
+
+		if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) {
+			return;
+		}
+
+		for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
+			me.updateDataset(i);
+		}
+
+		core_plugins.notify(me, 'afterDatasetsUpdate');
+	},
+
+	/**
+	 * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`
+	 * hook, in which case, plugins will not be called on `afterDatasetUpdate`.
+	 * @private
+	 */
+	updateDataset: function(index) {
+		var me = this;
+		var meta = me.getDatasetMeta(index);
+		var args = {
+			meta: meta,
+			index: index
+		};
+
+		if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {
+			return;
+		}
+
+		meta.controller._update();
+
+		core_plugins.notify(me, 'afterDatasetUpdate', [args]);
+	},
+
+	render: function(config) {
+		var me = this;
+
+		if (!config || typeof config !== 'object') {
+			// backwards compatibility
+			config = {
+				duration: config,
+				lazy: arguments[1]
+			};
+		}
+
+		var animationOptions = me.options.animation;
+		var duration = valueOrDefault$9(config.duration, animationOptions && animationOptions.duration);
+		var lazy = config.lazy;
+
+		if (core_plugins.notify(me, 'beforeRender') === false) {
+			return;
+		}
+
+		var onComplete = function(animation) {
+			core_plugins.notify(me, 'afterRender');
+			helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me);
+		};
+
+		if (animationOptions && duration) {
+			var animation = new core_animation({
+				numSteps: duration / 16.66, // 60 fps
+				easing: config.easing || animationOptions.easing,
+
+				render: function(chart, animationObject) {
+					var easingFunction = helpers$1.easing.effects[animationObject.easing];
+					var currentStep = animationObject.currentStep;
+					var stepDecimal = currentStep / animationObject.numSteps;
+
+					chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);
+				},
+
+				onAnimationProgress: animationOptions.onProgress,
+				onAnimationComplete: onComplete
+			});
+
+			core_animations.addAnimation(me, animation, duration, lazy);
+		} else {
+			me.draw();
+
+			// See https://github.com/chartjs/Chart.js/issues/3781
+			onComplete(new core_animation({numSteps: 0, chart: me}));
+		}
+
+		return me;
+	},
+
+	draw: function(easingValue) {
+		var me = this;
+		var i, layers;
+
+		me.clear();
+
+		if (helpers$1.isNullOrUndef(easingValue)) {
+			easingValue = 1;
+		}
+
+		me.transition(easingValue);
+
+		if (me.width <= 0 || me.height <= 0) {
+			return;
+		}
+
+		if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) {
+			return;
+		}
+
+		// Because of plugin hooks (before/afterDatasetsDraw), datasets can't
+		// currently be part of layers. Instead, we draw
+		// layers <= 0 before(default, backward compat), and the rest after
+		layers = me._layers;
+		for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {
+			layers[i].draw(me.chartArea);
+		}
+
+		me.drawDatasets(easingValue);
+
+		// Rest of layers
+		for (; i < layers.length; ++i) {
+			layers[i].draw(me.chartArea);
+		}
+
+		me._drawTooltip(easingValue);
+
+		core_plugins.notify(me, 'afterDraw', [easingValue]);
+	},
+
+	/**
+	 * @private
+	 */
+	transition: function(easingValue) {
+		var me = this;
+
+		for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {
+			if (me.isDatasetVisible(i)) {
+				me.getDatasetMeta(i).controller.transition(easingValue);
+			}
+		}
+
+		me.tooltip.transition(easingValue);
+	},
+
+	/**
+	 * @private
+	 */
+	_getSortedDatasetMetas: function(filterVisible) {
+		var me = this;
+		var datasets = me.data.datasets || [];
+		var result = [];
+		var i, ilen;
+
+		for (i = 0, ilen = datasets.length; i < ilen; ++i) {
+			if (!filterVisible || me.isDatasetVisible(i)) {
+				result.push(me.getDatasetMeta(i));
+			}
+		}
+
+		result.sort(compare2Level('order', 'index'));
+
+		return result;
+	},
+
+	/**
+	 * @private
+	 */
+	_getSortedVisibleDatasetMetas: function() {
+		return this._getSortedDatasetMetas(true);
+	},
+
+	/**
+	 * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`
+	 * hook, in which case, plugins will not be called on `afterDatasetsDraw`.
+	 * @private
+	 */
+	drawDatasets: function(easingValue) {
+		var me = this;
+		var metasets, i;
+
+		if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {
+			return;
+		}
+
+		metasets = me._getSortedVisibleDatasetMetas();
+		for (i = metasets.length - 1; i >= 0; --i) {
+			me.drawDataset(metasets[i], easingValue);
+		}
+
+		core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]);
+	},
+
+	/**
+	 * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`
+	 * hook, in which case, plugins will not be called on `afterDatasetDraw`.
+	 * @private
+	 */
+	drawDataset: function(meta, easingValue) {
+		var me = this;
+		var args = {
+			meta: meta,
+			index: meta.index,
+			easingValue: easingValue
+		};
+
+		if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {
+			return;
+		}
+
+		meta.controller.draw(easingValue);
+
+		core_plugins.notify(me, 'afterDatasetDraw', [args]);
+	},
+
+	/**
+	 * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw`
+	 * hook, in which case, plugins will not be called on `afterTooltipDraw`.
+	 * @private
+	 */
+	_drawTooltip: function(easingValue) {
+		var me = this;
+		var tooltip = me.tooltip;
+		var args = {
+			tooltip: tooltip,
+			easingValue: easingValue
+		};
+
+		if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) {
+			return;
+		}
+
+		tooltip.draw();
+
+		core_plugins.notify(me, 'afterTooltipDraw', [args]);
+	},
+
+	/**
+	 * Get the single element that was clicked on
+	 * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw
+	 */
+	getElementAtEvent: function(e) {
+		return core_interaction.modes.single(this, e);
+	},
+
+	getElementsAtEvent: function(e) {
+		return core_interaction.modes.label(this, e, {intersect: true});
+	},
+
+	getElementsAtXAxis: function(e) {
+		return core_interaction.modes['x-axis'](this, e, {intersect: true});
+	},
+
+	getElementsAtEventForMode: function(e, mode, options) {
+		var method = core_interaction.modes[mode];
+		if (typeof method === 'function') {
+			return method(this, e, options);
+		}
+
+		return [];
+	},
+
+	getDatasetAtEvent: function(e) {
+		return core_interaction.modes.dataset(this, e, {intersect: true});
+	},
+
+	getDatasetMeta: function(datasetIndex) {
+		var me = this;
+		var dataset = me.data.datasets[datasetIndex];
+		if (!dataset._meta) {
+			dataset._meta = {};
+		}
+
+		var meta = dataset._meta[me.id];
+		if (!meta) {
+			meta = dataset._meta[me.id] = {
+				type: null,
+				data: [],
+				dataset: null,
+				controller: null,
+				hidden: null,			// See isDatasetVisible() comment
+				xAxisID: null,
+				yAxisID: null,
+				order: dataset.order || 0,
+				index: datasetIndex
+			};
+		}
+
+		return meta;
+	},
+
+	getVisibleDatasetCount: function() {
+		var count = 0;
+		for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {
+			if (this.isDatasetVisible(i)) {
+				count++;
+			}
+		}
+		return count;
+	},
+
+	isDatasetVisible: function(datasetIndex) {
+		var meta = this.getDatasetMeta(datasetIndex);
+
+		// meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,
+		// the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.
+		return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;
+	},
+
+	generateLegend: function() {
+		return this.options.legendCallback(this);
+	},
+
+	/**
+	 * @private
+	 */
+	destroyDatasetMeta: function(datasetIndex) {
+		var id = this.id;
+		var dataset = this.data.datasets[datasetIndex];
+		var meta = dataset._meta && dataset._meta[id];
+
+		if (meta) {
+			meta.controller.destroy();
+			delete dataset._meta[id];
+		}
+	},
+
+	destroy: function() {
+		var me = this;
+		var canvas = me.canvas;
+		var i, ilen;
+
+		me.stop();
+
+		// dataset controllers need to cleanup associated data
+		for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
+			me.destroyDatasetMeta(i);
+		}
+
+		if (canvas) {
+			me.unbindEvents();
+			helpers$1.canvas.clear(me);
+			platform.releaseContext(me.ctx);
+			me.canvas = null;
+			me.ctx = null;
+		}
+
+		core_plugins.notify(me, 'destroy');
+
+		delete Chart.instances[me.id];
+	},
+
+	toBase64Image: function() {
+		return this.canvas.toDataURL.apply(this.canvas, arguments);
+	},
+
+	initToolTip: function() {
+		var me = this;
+		me.tooltip = new core_tooltip({
+			_chart: me,
+			_chartInstance: me, // deprecated, backward compatibility
+			_data: me.data,
+			_options: me.options.tooltips
+		}, me);
+	},
+
+	/**
+	 * @private
+	 */
+	bindEvents: function() {
+		var me = this;
+		var listeners = me._listeners = {};
+		var listener = function() {
+			me.eventHandler.apply(me, arguments);
+		};
+
+		helpers$1.each(me.options.events, function(type) {
+			platform.addEventListener(me, type, listener);
+			listeners[type] = listener;
+		});
+
+		// Elements used to detect size change should not be injected for non responsive charts.
+		// See https://github.com/chartjs/Chart.js/issues/2210
+		if (me.options.responsive) {
+			listener = function() {
+				me.resize();
+			};
+
+			platform.addEventListener(me, 'resize', listener);
+			listeners.resize = listener;
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	unbindEvents: function() {
+		var me = this;
+		var listeners = me._listeners;
+		if (!listeners) {
+			return;
+		}
+
+		delete me._listeners;
+		helpers$1.each(listeners, function(listener, type) {
+			platform.removeEventListener(me, type, listener);
+		});
+	},
+
+	updateHoverStyle: function(elements, mode, enabled) {
+		var prefix = enabled ? 'set' : 'remove';
+		var element, i, ilen;
+
+		for (i = 0, ilen = elements.length; i < ilen; ++i) {
+			element = elements[i];
+			if (element) {
+				this.getDatasetMeta(element._datasetIndex).controller[prefix + 'HoverStyle'](element);
+			}
+		}
+
+		if (mode === 'dataset') {
+			this.getDatasetMeta(elements[0]._datasetIndex).controller['_' + prefix + 'DatasetHoverStyle']();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	eventHandler: function(e) {
+		var me = this;
+		var tooltip = me.tooltip;
+
+		if (core_plugins.notify(me, 'beforeEvent', [e]) === false) {
+			return;
+		}
+
+		// Buffer any update calls so that renders do not occur
+		me._bufferedRender = true;
+		me._bufferedRequest = null;
+
+		var changed = me.handleEvent(e);
+		// for smooth tooltip animations issue #4989
+		// the tooltip should be the source of change
+		// Animation check workaround:
+		// tooltip._start will be null when tooltip isn't animating
+		if (tooltip) {
+			changed = tooltip._start
+				? tooltip.handleEvent(e)
+				: changed | tooltip.handleEvent(e);
+		}
+
+		core_plugins.notify(me, 'afterEvent', [e]);
+
+		var bufferedRequest = me._bufferedRequest;
+		if (bufferedRequest) {
+			// If we have an update that was triggered, we need to do a normal render
+			me.render(bufferedRequest);
+		} else if (changed && !me.animating) {
+			// If entering, leaving, or changing elements, animate the change via pivot
+			me.stop();
+
+			// We only need to render at this point. Updating will cause scales to be
+			// recomputed generating flicker & using more memory than necessary.
+			me.render({
+				duration: me.options.hover.animationDuration,
+				lazy: true
+			});
+		}
+
+		me._bufferedRender = false;
+		me._bufferedRequest = null;
+
+		return me;
+	},
+
+	/**
+	 * Handle an event
+	 * @private
+	 * @param {IEvent} event the event to handle
+	 * @return {boolean} true if the chart needs to re-render
+	 */
+	handleEvent: function(e) {
+		var me = this;
+		var options = me.options || {};
+		var hoverOptions = options.hover;
+		var changed = false;
+
+		me.lastActive = me.lastActive || [];
+
+		// Find Active Elements for hover and tooltips
+		if (e.type === 'mouseout') {
+			me.active = [];
+		} else {
+			me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);
+		}
+
+		// Invoke onHover hook
+		// Need to call with native event here to not break backwards compatibility
+		helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);
+
+		if (e.type === 'mouseup' || e.type === 'click') {
+			if (options.onClick) {
+				// Use e.native here for backwards compatibility
+				options.onClick.call(me, e.native, me.active);
+			}
+		}
+
+		// Remove styling for last active (even if it may still be active)
+		if (me.lastActive.length) {
+			me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);
+		}
+
+		// Built in hover styling
+		if (me.active.length && hoverOptions.mode) {
+			me.updateHoverStyle(me.active, hoverOptions.mode, true);
+		}
+
+		changed = !helpers$1.arrayEquals(me.active, me.lastActive);
+
+		// Remember Last Actives
+		me.lastActive = me.active;
+
+		return changed;
+	}
+});
+
+/**
+ * NOTE(SB) We actually don't use this container anymore but we need to keep it
+ * for backward compatibility. Though, it can still be useful for plugins that
+ * would need to work on multiple charts?!
+ */
+Chart.instances = {};
+
+var core_controller = Chart;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart instead.
+ * @class Chart.Controller
+ * @deprecated since version 2.6
+ * @todo remove at version 3
+ * @private
+ */
+Chart.Controller = Chart;
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart
+ * @deprecated since version 2.8
+ * @todo remove at version 3
+ * @private
+ */
+Chart.types = {};
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart.helpers.configMerge
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.configMerge = mergeConfig;
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart.helpers.scaleMerge
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers$1.scaleMerge = mergeScaleConfig;
+
+var core_helpers = function() {
+
+	// -- Basic js utility methods
+
+	helpers$1.where = function(collection, filterCallback) {
+		if (helpers$1.isArray(collection) && Array.prototype.filter) {
+			return collection.filter(filterCallback);
+		}
+		var filtered = [];
+
+		helpers$1.each(collection, function(item) {
+			if (filterCallback(item)) {
+				filtered.push(item);
+			}
+		});
+
+		return filtered;
+	};
+	helpers$1.findIndex = Array.prototype.findIndex ?
+		function(array, callback, scope) {
+			return array.findIndex(callback, scope);
+		} :
+		function(array, callback, scope) {
+			scope = scope === undefined ? array : scope;
+			for (var i = 0, ilen = array.length; i < ilen; ++i) {
+				if (callback.call(scope, array[i], i, array)) {
+					return i;
+				}
+			}
+			return -1;
+		};
+	helpers$1.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {
+		// Default to start of the array
+		if (helpers$1.isNullOrUndef(startIndex)) {
+			startIndex = -1;
+		}
+		for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
+			var currentItem = arrayToSearch[i];
+			if (filterCallback(currentItem)) {
+				return currentItem;
+			}
+		}
+	};
+	helpers$1.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {
+		// Default to end of the array
+		if (helpers$1.isNullOrUndef(startIndex)) {
+			startIndex = arrayToSearch.length;
+		}
+		for (var i = startIndex - 1; i >= 0; i--) {
+			var currentItem = arrayToSearch[i];
+			if (filterCallback(currentItem)) {
+				return currentItem;
+			}
+		}
+	};
+
+	// -- Math methods
+	helpers$1.isNumber = function(n) {
+		return !isNaN(parseFloat(n)) && isFinite(n);
+	};
+	helpers$1.almostEquals = function(x, y, epsilon) {
+		return Math.abs(x - y) < epsilon;
+	};
+	helpers$1.almostWhole = function(x, epsilon) {
+		var rounded = Math.round(x);
+		return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x);
+	};
+	helpers$1.max = function(array) {
+		return array.reduce(function(max, value) {
+			if (!isNaN(value)) {
+				return Math.max(max, value);
+			}
+			return max;
+		}, Number.NEGATIVE_INFINITY);
+	};
+	helpers$1.min = function(array) {
+		return array.reduce(function(min, value) {
+			if (!isNaN(value)) {
+				return Math.min(min, value);
+			}
+			return min;
+		}, Number.POSITIVE_INFINITY);
+	};
+	helpers$1.sign = Math.sign ?
+		function(x) {
+			return Math.sign(x);
+		} :
+		function(x) {
+			x = +x; // convert to a number
+			if (x === 0 || isNaN(x)) {
+				return x;
+			}
+			return x > 0 ? 1 : -1;
+		};
+	helpers$1.toRadians = function(degrees) {
+		return degrees * (Math.PI / 180);
+	};
+	helpers$1.toDegrees = function(radians) {
+		return radians * (180 / Math.PI);
+	};
+
+	/**
+	 * Returns the number of decimal places
+	 * i.e. the number of digits after the decimal point, of the value of this Number.
+	 * @param {number} x - A number.
+	 * @returns {number} The number of decimal places.
+	 * @private
+	 */
+	helpers$1._decimalPlaces = function(x) {
+		if (!helpers$1.isFinite(x)) {
+			return;
+		}
+		var e = 1;
+		var p = 0;
+		while (Math.round(x * e) / e !== x) {
+			e *= 10;
+			p++;
+		}
+		return p;
+	};
+
+	// Gets the angle from vertical upright to the point about a centre.
+	helpers$1.getAngleFromPoint = function(centrePoint, anglePoint) {
+		var distanceFromXCenter = anglePoint.x - centrePoint.x;
+		var distanceFromYCenter = anglePoint.y - centrePoint.y;
+		var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
+
+		var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
+
+		if (angle < (-0.5 * Math.PI)) {
+			angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
+		}
+
+		return {
+			angle: angle,
+			distance: radialDistanceFromCenter
+		};
+	};
+	helpers$1.distanceBetweenPoints = function(pt1, pt2) {
+		return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));
+	};
+
+	/**
+	 * Provided for backward compatibility, not available anymore
+	 * @function Chart.helpers.aliasPixel
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 */
+	helpers$1.aliasPixel = function(pixelWidth) {
+		return (pixelWidth % 2 === 0) ? 0 : 0.5;
+	};
+
+	/**
+	 * Returns the aligned pixel value to avoid anti-aliasing blur
+	 * @param {Chart} chart - The chart instance.
+	 * @param {number} pixel - A pixel value.
+	 * @param {number} width - The width of the element.
+	 * @returns {number} The aligned pixel value.
+	 * @private
+	 */
+	helpers$1._alignPixel = function(chart, pixel, width) {
+		var devicePixelRatio = chart.currentDevicePixelRatio;
+		var halfWidth = width / 2;
+		return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth;
+	};
+
+	helpers$1.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {
+		// Props to Rob Spencer at scaled innovation for his post on splining between points
+		// http://scaledinnovation.com/analytics/splines/aboutSplines.html
+
+		// This function must also respect "skipped" points
+
+		var previous = firstPoint.skip ? middlePoint : firstPoint;
+		var current = middlePoint;
+		var next = afterPoint.skip ? middlePoint : afterPoint;
+
+		var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));
+		var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));
+
+		var s01 = d01 / (d01 + d12);
+		var s12 = d12 / (d01 + d12);
+
+		// If all points are the same, s01 & s02 will be inf
+		s01 = isNaN(s01) ? 0 : s01;
+		s12 = isNaN(s12) ? 0 : s12;
+
+		var fa = t * s01; // scaling factor for triangle Ta
+		var fb = t * s12;
+
+		return {
+			previous: {
+				x: current.x - fa * (next.x - previous.x),
+				y: current.y - fa * (next.y - previous.y)
+			},
+			next: {
+				x: current.x + fb * (next.x - previous.x),
+				y: current.y + fb * (next.y - previous.y)
+			}
+		};
+	};
+	helpers$1.EPSILON = Number.EPSILON || 1e-14;
+	helpers$1.splineCurveMonotone = function(points) {
+		// This function calculates Bézier control points in a similar way than |splineCurve|,
+		// but preserves monotonicity of the provided data and ensures no local extremums are added
+		// between the dataset discrete points due to the interpolation.
+		// See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation
+
+		var pointsWithTangents = (points || []).map(function(point) {
+			return {
+				model: point._model,
+				deltaK: 0,
+				mK: 0
+			};
+		});
+
+		// Calculate slopes (deltaK) and initialize tangents (mK)
+		var pointsLen = pointsWithTangents.length;
+		var i, pointBefore, pointCurrent, pointAfter;
+		for (i = 0; i < pointsLen; ++i) {
+			pointCurrent = pointsWithTangents[i];
+			if (pointCurrent.model.skip) {
+				continue;
+			}
+
+			pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;
+			pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;
+			if (pointAfter && !pointAfter.model.skip) {
+				var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);
+
+				// In the case of two points that appear at the same x pixel, slopeDeltaX is 0
+				pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;
+			}
+
+			if (!pointBefore || pointBefore.model.skip) {
+				pointCurrent.mK = pointCurrent.deltaK;
+			} else if (!pointAfter || pointAfter.model.skip) {
+				pointCurrent.mK = pointBefore.deltaK;
+			} else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {
+				pointCurrent.mK = 0;
+			} else {
+				pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;
+			}
+		}
+
+		// Adjust tangents to ensure monotonic properties
+		var alphaK, betaK, tauK, squaredMagnitude;
+		for (i = 0; i < pointsLen - 1; ++i) {
+			pointCurrent = pointsWithTangents[i];
+			pointAfter = pointsWithTangents[i + 1];
+			if (pointCurrent.model.skip || pointAfter.model.skip) {
+				continue;
+			}
+
+			if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {
+				pointCurrent.mK = pointAfter.mK = 0;
+				continue;
+			}
+
+			alphaK = pointCurrent.mK / pointCurrent.deltaK;
+			betaK = pointAfter.mK / pointCurrent.deltaK;
+			squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);
+			if (squaredMagnitude <= 9) {
+				continue;
+			}
+
+			tauK = 3 / Math.sqrt(squaredMagnitude);
+			pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;
+			pointAfter.mK = betaK * tauK * pointCurrent.deltaK;
+		}
+
+		// Compute control points
+		var deltaX;
+		for (i = 0; i < pointsLen; ++i) {
+			pointCurrent = pointsWithTangents[i];
+			if (pointCurrent.model.skip) {
+				continue;
+			}
+
+			pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;
+			pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;
+			if (pointBefore && !pointBefore.model.skip) {
+				deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;
+				pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;
+				pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;
+			}
+			if (pointAfter && !pointAfter.model.skip) {
+				deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;
+				pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;
+				pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;
+			}
+		}
+	};
+	helpers$1.nextItem = function(collection, index, loop) {
+		if (loop) {
+			return index >= collection.length - 1 ? collection[0] : collection[index + 1];
+		}
+		return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];
+	};
+	helpers$1.previousItem = function(collection, index, loop) {
+		if (loop) {
+			return index <= 0 ? collection[collection.length - 1] : collection[index - 1];
+		}
+		return index <= 0 ? collection[0] : collection[index - 1];
+	};
+	// Implementation of the nice number algorithm used in determining where axis labels will go
+	helpers$1.niceNum = function(range, round) {
+		var exponent = Math.floor(helpers$1.log10(range));
+		var fraction = range / Math.pow(10, exponent);
+		var niceFraction;
+
+		if (round) {
+			if (fraction < 1.5) {
+				niceFraction = 1;
+			} else if (fraction < 3) {
+				niceFraction = 2;
+			} else if (fraction < 7) {
+				niceFraction = 5;
+			} else {
+				niceFraction = 10;
+			}
+		} else if (fraction <= 1.0) {
+			niceFraction = 1;
+		} else if (fraction <= 2) {
+			niceFraction = 2;
+		} else if (fraction <= 5) {
+			niceFraction = 5;
+		} else {
+			niceFraction = 10;
+		}
+
+		return niceFraction * Math.pow(10, exponent);
+	};
+	// Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
+	helpers$1.requestAnimFrame = (function() {
+		if (typeof window === 'undefined') {
+			return function(callback) {
+				callback();
+			};
+		}
+		return window.requestAnimationFrame ||
+			window.webkitRequestAnimationFrame ||
+			window.mozRequestAnimationFrame ||
+			window.oRequestAnimationFrame ||
+			window.msRequestAnimationFrame ||
+			function(callback) {
+				return window.setTimeout(callback, 1000 / 60);
+			};
+	}());
+	// -- DOM methods
+	helpers$1.getRelativePosition = function(evt, chart) {
+		var mouseX, mouseY;
+		var e = evt.originalEvent || evt;
+		var canvas = evt.target || evt.srcElement;
+		var boundingRect = canvas.getBoundingClientRect();
+
+		var touches = e.touches;
+		if (touches && touches.length > 0) {
+			mouseX = touches[0].clientX;
+			mouseY = touches[0].clientY;
+
+		} else {
+			mouseX = e.clientX;
+			mouseY = e.clientY;
+		}
+
+		// Scale mouse coordinates into canvas coordinates
+		// by following the pattern laid out by 'jerryj' in the comments of
+		// https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/
+		var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left'));
+		var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top'));
+		var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right'));
+		var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom'));
+		var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;
+		var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;
+
+		// We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However
+		// the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here
+		mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);
+		mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);
+
+		return {
+			x: mouseX,
+			y: mouseY
+		};
+
+	};
+
+	// Private helper function to convert max-width/max-height values that may be percentages into a number
+	function parseMaxStyle(styleValue, node, parentProperty) {
+		var valueInPixels;
+		if (typeof styleValue === 'string') {
+			valueInPixels = parseInt(styleValue, 10);
+
+			if (styleValue.indexOf('%') !== -1) {
+				// percentage * size in dimension
+				valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];
+			}
+		} else {
+			valueInPixels = styleValue;
+		}
+
+		return valueInPixels;
+	}
+
+	/**
+	 * Returns if the given value contains an effective constraint.
+	 * @private
+	 */
+	function isConstrainedValue(value) {
+		return value !== undefined && value !== null && value !== 'none';
+	}
+
+	/**
+	 * Returns the max width or height of the given DOM node in a cross-browser compatible fashion
+	 * @param {HTMLElement} domNode - the node to check the constraint on
+	 * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height')
+	 * @param {string} percentageProperty - property of parent to use when calculating width as a percentage
+	 * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser}
+	 */
+	function getConstraintDimension(domNode, maxStyle, percentageProperty) {
+		var view = document.defaultView;
+		var parentNode = helpers$1._getParentNode(domNode);
+		var constrainedNode = view.getComputedStyle(domNode)[maxStyle];
+		var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];
+		var hasCNode = isConstrainedValue(constrainedNode);
+		var hasCContainer = isConstrainedValue(constrainedContainer);
+		var infinity = Number.POSITIVE_INFINITY;
+
+		if (hasCNode || hasCContainer) {
+			return Math.min(
+				hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,
+				hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);
+		}
+
+		return 'none';
+	}
+	// returns Number or undefined if no constraint
+	helpers$1.getConstraintWidth = function(domNode) {
+		return getConstraintDimension(domNode, 'max-width', 'clientWidth');
+	};
+	// returns Number or undefined if no constraint
+	helpers$1.getConstraintHeight = function(domNode) {
+		return getConstraintDimension(domNode, 'max-height', 'clientHeight');
+	};
+	/**
+	 * @private
+ 	 */
+	helpers$1._calculatePadding = function(container, padding, parentDimension) {
+		padding = helpers$1.getStyle(container, padding);
+
+		return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10);
+	};
+	/**
+	 * @private
+	 */
+	helpers$1._getParentNode = function(domNode) {
+		var parent = domNode.parentNode;
+		if (parent && parent.toString() === '[object ShadowRoot]') {
+			parent = parent.host;
+		}
+		return parent;
+	};
+	helpers$1.getMaximumWidth = function(domNode) {
+		var container = helpers$1._getParentNode(domNode);
+		if (!container) {
+			return domNode.clientWidth;
+		}
+
+		var clientWidth = container.clientWidth;
+		var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth);
+		var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth);
+
+		var w = clientWidth - paddingLeft - paddingRight;
+		var cw = helpers$1.getConstraintWidth(domNode);
+		return isNaN(cw) ? w : Math.min(w, cw);
+	};
+	helpers$1.getMaximumHeight = function(domNode) {
+		var container = helpers$1._getParentNode(domNode);
+		if (!container) {
+			return domNode.clientHeight;
+		}
+
+		var clientHeight = container.clientHeight;
+		var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight);
+		var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight);
+
+		var h = clientHeight - paddingTop - paddingBottom;
+		var ch = helpers$1.getConstraintHeight(domNode);
+		return isNaN(ch) ? h : Math.min(h, ch);
+	};
+	helpers$1.getStyle = function(el, property) {
+		return el.currentStyle ?
+			el.currentStyle[property] :
+			document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
+	};
+	helpers$1.retinaScale = function(chart, forceRatio) {
+		var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1;
+		if (pixelRatio === 1) {
+			return;
+		}
+
+		var canvas = chart.canvas;
+		var height = chart.height;
+		var width = chart.width;
+
+		canvas.height = height * pixelRatio;
+		canvas.width = width * pixelRatio;
+		chart.ctx.scale(pixelRatio, pixelRatio);
+
+		// If no style has been set on the canvas, the render size is used as display size,
+		// making the chart visually bigger, so let's enforce it to the "correct" values.
+		// See https://github.com/chartjs/Chart.js/issues/3575
+		if (!canvas.style.height && !canvas.style.width) {
+			canvas.style.height = height + 'px';
+			canvas.style.width = width + 'px';
+		}
+	};
+	// -- Canvas methods
+	helpers$1.fontString = function(pixelSize, fontStyle, fontFamily) {
+		return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;
+	};
+	helpers$1.longestText = function(ctx, font, arrayOfThings, cache) {
+		cache = cache || {};
+		var data = cache.data = cache.data || {};
+		var gc = cache.garbageCollect = cache.garbageCollect || [];
+
+		if (cache.font !== font) {
+			data = cache.data = {};
+			gc = cache.garbageCollect = [];
+			cache.font = font;
+		}
+
+		ctx.font = font;
+		var longest = 0;
+		var ilen = arrayOfThings.length;
+		var i, j, jlen, thing, nestedThing;
+		for (i = 0; i < ilen; i++) {
+			thing = arrayOfThings[i];
+
+			// Undefined strings and arrays should not be measured
+			if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) {
+				longest = helpers$1.measureText(ctx, data, gc, longest, thing);
+			} else if (helpers$1.isArray(thing)) {
+				// if it is an array lets measure each element
+				// to do maybe simplify this function a bit so we can do this more recursively?
+				for (j = 0, jlen = thing.length; j < jlen; j++) {
+					nestedThing = thing[j];
+					// Undefined strings and arrays should not be measured
+					if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) {
+						longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing);
+					}
+				}
+			}
+		}
+
+		var gcLen = gc.length / 2;
+		if (gcLen > arrayOfThings.length) {
+			for (i = 0; i < gcLen; i++) {
+				delete data[gc[i]];
+			}
+			gc.splice(0, gcLen);
+		}
+		return longest;
+	};
+	helpers$1.measureText = function(ctx, data, gc, longest, string) {
+		var textWidth = data[string];
+		if (!textWidth) {
+			textWidth = data[string] = ctx.measureText(string).width;
+			gc.push(string);
+		}
+		if (textWidth > longest) {
+			longest = textWidth;
+		}
+		return longest;
+	};
+
+	/**
+	 * @deprecated
+	 */
+	helpers$1.numberOfLabelLines = function(arrayOfThings) {
+		var numberOfLines = 1;
+		helpers$1.each(arrayOfThings, function(thing) {
+			if (helpers$1.isArray(thing)) {
+				if (thing.length > numberOfLines) {
+					numberOfLines = thing.length;
+				}
+			}
+		});
+		return numberOfLines;
+	};
+
+	helpers$1.color = !chartjsColor ?
+		function(value) {
+			console.error('Color.js not found!');
+			return value;
+		} :
+		function(value) {
+			/* global CanvasGradient */
+			if (value instanceof CanvasGradient) {
+				value = core_defaults.global.defaultColor;
+			}
+
+			return chartjsColor(value);
+		};
+
+	helpers$1.getHoverColor = function(colorValue) {
+		/* global CanvasPattern */
+		return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ?
+			colorValue :
+			helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString();
+	};
+};
+
+function abstract() {
+	throw new Error(
+		'This method is not implemented: either no adapter can ' +
+		'be found or an incomplete integration was provided.'
+	);
+}
+
+/**
+ * Date adapter (current used by the time scale)
+ * @namespace Chart._adapters._date
+ * @memberof Chart._adapters
+ * @private
+ */
+
+/**
+ * Currently supported unit string values.
+ * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')}
+ * @memberof Chart._adapters._date
+ * @name Unit
+ */
+
+/**
+ * @class
+ */
+function DateAdapter(options) {
+	this.options = options || {};
+}
+
+helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ {
+	/**
+	 * Returns a map of time formats for the supported formatting units defined
+	 * in Unit as well as 'datetime' representing a detailed date/time string.
+	 * @returns {{string: string}}
+	 */
+	formats: abstract,
+
+	/**
+	 * Parses the given `value` and return the associated timestamp.
+	 * @param {any} value - the value to parse (usually comes from the data)
+	 * @param {string} [format] - the expected data format
+	 * @returns {(number|null)}
+	 * @function
+	 */
+	parse: abstract,
+
+	/**
+	 * Returns the formatted date in the specified `format` for a given `timestamp`.
+	 * @param {number} timestamp - the timestamp to format
+	 * @param {string} format - the date/time token
+	 * @return {string}
+	 * @function
+	 */
+	format: abstract,
+
+	/**
+	 * Adds the specified `amount` of `unit` to the given `timestamp`.
+	 * @param {number} timestamp - the input timestamp
+	 * @param {number} amount - the amount to add
+	 * @param {Unit} unit - the unit as string
+	 * @return {number}
+	 * @function
+	 */
+	add: abstract,
+
+	/**
+	 * Returns the number of `unit` between the given timestamps.
+	 * @param {number} max - the input timestamp (reference)
+	 * @param {number} min - the timestamp to substract
+	 * @param {Unit} unit - the unit as string
+	 * @return {number}
+	 * @function
+	 */
+	diff: abstract,
+
+	/**
+	 * Returns start of `unit` for the given `timestamp`.
+	 * @param {number} timestamp - the input timestamp
+	 * @param {Unit} unit - the unit as string
+	 * @param {number} [weekday] - the ISO day of the week with 1 being Monday
+	 * and 7 being Sunday (only needed if param *unit* is `isoWeek`).
+	 * @function
+	 */
+	startOf: abstract,
+
+	/**
+	 * Returns end of `unit` for the given `timestamp`.
+	 * @param {number} timestamp - the input timestamp
+	 * @param {Unit} unit - the unit as string
+	 * @function
+	 */
+	endOf: abstract,
+
+	// DEPRECATIONS
+
+	/**
+	 * Provided for backward compatibility for scale.getValueForPixel(),
+	 * this method should be overridden only by the moment adapter.
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 * @private
+	 */
+	_create: function(value) {
+		return value;
+	}
+});
+
+DateAdapter.override = function(members) {
+	helpers$1.extend(DateAdapter.prototype, members);
+};
+
+var _date = DateAdapter;
+
+var core_adapters = {
+	_date: _date
+};
+
+/**
+ * Namespace to hold static tick generation functions
+ * @namespace Chart.Ticks
+ */
+var core_ticks = {
+	/**
+	 * Namespace to hold formatters for different types of ticks
+	 * @namespace Chart.Ticks.formatters
+	 */
+	formatters: {
+		/**
+		 * Formatter for value labels
+		 * @method Chart.Ticks.formatters.values
+		 * @param value the value to display
+		 * @return {string|string[]} the label to display
+		 */
+		values: function(value) {
+			return helpers$1.isArray(value) ? value : '' + value;
+		},
+
+		/**
+		 * Formatter for linear numeric ticks
+		 * @method Chart.Ticks.formatters.linear
+		 * @param tickValue {number} the value to be formatted
+		 * @param index {number} the position of the tickValue parameter in the ticks array
+		 * @param ticks {number[]} the list of ticks being converted
+		 * @return {string} string representation of the tickValue parameter
+		 */
+		linear: function(tickValue, index, ticks) {
+			// If we have lots of ticks, don't use the ones
+			var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];
+
+			// If we have a number like 2.5 as the delta, figure out how many decimal places we need
+			if (Math.abs(delta) > 1) {
+				if (tickValue !== Math.floor(tickValue)) {
+					// not an integer
+					delta = tickValue - Math.floor(tickValue);
+				}
+			}
+
+			var logDelta = helpers$1.log10(Math.abs(delta));
+			var tickString = '';
+
+			if (tickValue !== 0) {
+				var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1]));
+				if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation
+					var logTick = helpers$1.log10(Math.abs(tickValue));
+					var numExponential = Math.floor(logTick) - Math.floor(logDelta);
+					numExponential = Math.max(Math.min(numExponential, 20), 0);
+					tickString = tickValue.toExponential(numExponential);
+				} else {
+					var numDecimal = -1 * Math.floor(logDelta);
+					numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places
+					tickString = tickValue.toFixed(numDecimal);
+				}
+			} else {
+				tickString = '0'; // never show decimal places for 0
+			}
+
+			return tickString;
+		},
+
+		logarithmic: function(tickValue, index, ticks) {
+			var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue))));
+
+			if (tickValue === 0) {
+				return '0';
+			} else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {
+				return tickValue.toExponential();
+			}
+			return '';
+		}
+	}
+};
+
+var isArray = helpers$1.isArray;
+var isNullOrUndef = helpers$1.isNullOrUndef;
+var valueOrDefault$a = helpers$1.valueOrDefault;
+var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault;
+
+core_defaults._set('scale', {
+	display: true,
+	position: 'left',
+	offset: false,
+
+	// grid line settings
+	gridLines: {
+		display: true,
+		color: 'rgba(0,0,0,0.1)',
+		lineWidth: 1,
+		drawBorder: true,
+		drawOnChartArea: true,
+		drawTicks: true,
+		tickMarkLength: 10,
+		zeroLineWidth: 1,
+		zeroLineColor: 'rgba(0,0,0,0.25)',
+		zeroLineBorderDash: [],
+		zeroLineBorderDashOffset: 0.0,
+		offsetGridLines: false,
+		borderDash: [],
+		borderDashOffset: 0.0
+	},
+
+	// scale label
+	scaleLabel: {
+		// display property
+		display: false,
+
+		// actual label
+		labelString: '',
+
+		// top/bottom padding
+		padding: {
+			top: 4,
+			bottom: 4
+		}
+	},
+
+	// label settings
+	ticks: {
+		beginAtZero: false,
+		minRotation: 0,
+		maxRotation: 50,
+		mirror: false,
+		padding: 0,
+		reverse: false,
+		display: true,
+		autoSkip: true,
+		autoSkipPadding: 0,
+		labelOffset: 0,
+		// We pass through arrays to be rendered as multiline labels, we convert Others to strings here.
+		callback: core_ticks.formatters.values,
+		minor: {},
+		major: {}
+	}
+});
+
+/** Returns a new array containing numItems from arr */
+function sample(arr, numItems) {
+	var result = [];
+	var increment = arr.length / numItems;
+	var i = 0;
+	var len = arr.length;
+
+	for (; i < len; i += increment) {
+		result.push(arr[Math.floor(i)]);
+	}
+	return result;
+}
+
+function getPixelForGridLine(scale, index, offsetGridLines) {
+	var length = scale.getTicks().length;
+	var validIndex = Math.min(index, length - 1);
+	var lineValue = scale.getPixelForTick(validIndex);
+	var start = scale._startPixel;
+	var end = scale._endPixel;
+	var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.
+	var offset;
+
+	if (offsetGridLines) {
+		if (length === 1) {
+			offset = Math.max(lineValue - start, end - lineValue);
+		} else if (index === 0) {
+			offset = (scale.getPixelForTick(1) - lineValue) / 2;
+		} else {
+			offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2;
+		}
+		lineValue += validIndex < index ? offset : -offset;
+
+		// Return undefined if the pixel is out of the range
+		if (lineValue < start - epsilon || lineValue > end + epsilon) {
+			return;
+		}
+	}
+	return lineValue;
+}
+
+function garbageCollect(caches, length) {
+	helpers$1.each(caches, function(cache) {
+		var gc = cache.gc;
+		var gcLen = gc.length / 2;
+		var i;
+		if (gcLen > length) {
+			for (i = 0; i < gcLen; ++i) {
+				delete cache.data[gc[i]];
+			}
+			gc.splice(0, gcLen);
+		}
+	});
+}
+
+/**
+ * Returns {width, height, offset} objects for the first, last, widest, highest tick
+ * labels where offset indicates the anchor point offset from the top in pixels.
+ */
+function computeLabelSizes(ctx, tickFonts, ticks, caches) {
+	var length = ticks.length;
+	var widths = [];
+	var heights = [];
+	var offsets = [];
+	var widestLabelSize = 0;
+	var highestLabelSize = 0;
+	var i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel, widest, highest;
+
+	for (i = 0; i < length; ++i) {
+		label = ticks[i].label;
+		tickFont = ticks[i].major ? tickFonts.major : tickFonts.minor;
+		ctx.font = fontString = tickFont.string;
+		cache = caches[fontString] = caches[fontString] || {data: {}, gc: []};
+		lineHeight = tickFont.lineHeight;
+		width = height = 0;
+		// Undefined labels and arrays should not be measured
+		if (!isNullOrUndef(label) && !isArray(label)) {
+			width = helpers$1.measureText(ctx, cache.data, cache.gc, width, label);
+			height = lineHeight;
+		} else if (isArray(label)) {
+			// if it is an array let's measure each element
+			for (j = 0, jlen = label.length; j < jlen; ++j) {
+				nestedLabel = label[j];
+				// Undefined labels and arrays should not be measured
+				if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {
+					width = helpers$1.measureText(ctx, cache.data, cache.gc, width, nestedLabel);
+					height += lineHeight;
+				}
+			}
+		}
+		widths.push(width);
+		heights.push(height);
+		offsets.push(lineHeight / 2);
+		widestLabelSize = Math.max(width, widestLabelSize);
+		highestLabelSize = Math.max(height, highestLabelSize);
+	}
+	garbageCollect(caches, length);
+
+	widest = widths.indexOf(widestLabelSize);
+	highest = heights.indexOf(highestLabelSize);
+
+	function valueAt(idx) {
+		return {
+			width: widths[idx] || 0,
+			height: heights[idx] || 0,
+			offset: offsets[idx] || 0
+		};
+	}
+
+	return {
+		first: valueAt(0),
+		last: valueAt(length - 1),
+		widest: valueAt(widest),
+		highest: valueAt(highest)
+	};
+}
+
+function getTickMarkLength(options) {
+	return options.drawTicks ? options.tickMarkLength : 0;
+}
+
+function getScaleLabelHeight(options) {
+	var font, padding;
+
+	if (!options.display) {
+		return 0;
+	}
+
+	font = helpers$1.options._parseFont(options);
+	padding = helpers$1.options.toPadding(options.padding);
+
+	return font.lineHeight + padding.height;
+}
+
+function parseFontOptions(options, nestedOpts) {
+	return helpers$1.extend(helpers$1.options._parseFont({
+		fontFamily: valueOrDefault$a(nestedOpts.fontFamily, options.fontFamily),
+		fontSize: valueOrDefault$a(nestedOpts.fontSize, options.fontSize),
+		fontStyle: valueOrDefault$a(nestedOpts.fontStyle, options.fontStyle),
+		lineHeight: valueOrDefault$a(nestedOpts.lineHeight, options.lineHeight)
+	}), {
+		color: helpers$1.options.resolve([nestedOpts.fontColor, options.fontColor, core_defaults.global.defaultFontColor])
+	});
+}
+
+function parseTickFontOptions(options) {
+	var minor = parseFontOptions(options, options.minor);
+	var major = options.major.enabled ? parseFontOptions(options, options.major) : minor;
+
+	return {minor: minor, major: major};
+}
+
+function nonSkipped(ticksToFilter) {
+	var filtered = [];
+	var item, index, len;
+	for (index = 0, len = ticksToFilter.length; index < len; ++index) {
+		item = ticksToFilter[index];
+		if (typeof item._index !== 'undefined') {
+			filtered.push(item);
+		}
+	}
+	return filtered;
+}
+
+function getEvenSpacing(arr) {
+	var len = arr.length;
+	var i, diff;
+
+	if (len < 2) {
+		return false;
+	}
+
+	for (diff = arr[0], i = 1; i < len; ++i) {
+		if (arr[i] - arr[i - 1] !== diff) {
+			return false;
+		}
+	}
+	return diff;
+}
+
+function calculateSpacing(majorIndices, ticks, axisLength, ticksLimit) {
+	var evenMajorSpacing = getEvenSpacing(majorIndices);
+	var spacing = (ticks.length - 1) / ticksLimit;
+	var factors, factor, i, ilen;
+
+	// If the major ticks are evenly spaced apart, place the minor ticks
+	// so that they divide the major ticks into even chunks
+	if (!evenMajorSpacing) {
+		return Math.max(spacing, 1);
+	}
+
+	factors = helpers$1.math._factorize(evenMajorSpacing);
+	for (i = 0, ilen = factors.length - 1; i < ilen; i++) {
+		factor = factors[i];
+		if (factor > spacing) {
+			return factor;
+		}
+	}
+	return Math.max(spacing, 1);
+}
+
+function getMajorIndices(ticks) {
+	var result = [];
+	var i, ilen;
+	for (i = 0, ilen = ticks.length; i < ilen; i++) {
+		if (ticks[i].major) {
+			result.push(i);
+		}
+	}
+	return result;
+}
+
+function skipMajors(ticks, majorIndices, spacing) {
+	var count = 0;
+	var next = majorIndices[0];
+	var i, tick;
+
+	spacing = Math.ceil(spacing);
+	for (i = 0; i < ticks.length; i++) {
+		tick = ticks[i];
+		if (i === next) {
+			tick._index = i;
+			count++;
+			next = majorIndices[count * spacing];
+		} else {
+			delete tick.label;
+		}
+	}
+}
+
+function skip(ticks, spacing, majorStart, majorEnd) {
+	var start = valueOrDefault$a(majorStart, 0);
+	var end = Math.min(valueOrDefault$a(majorEnd, ticks.length), ticks.length);
+	var count = 0;
+	var length, i, tick, next;
+
+	spacing = Math.ceil(spacing);
+	if (majorEnd) {
+		length = majorEnd - majorStart;
+		spacing = length / Math.floor(length / spacing);
+	}
+
+	next = start;
+
+	while (next < 0) {
+		count++;
+		next = Math.round(start + count * spacing);
+	}
+
+	for (i = Math.max(start, 0); i < end; i++) {
+		tick = ticks[i];
+		if (i === next) {
+			tick._index = i;
+			count++;
+			next = Math.round(start + count * spacing);
+		} else {
+			delete tick.label;
+		}
+	}
+}
+
+var Scale = core_element.extend({
+
+	zeroLineIndex: 0,
+
+	/**
+	 * Get the padding needed for the scale
+	 * @method getPadding
+	 * @private
+	 * @returns {Padding} the necessary padding
+	 */
+	getPadding: function() {
+		var me = this;
+		return {
+			left: me.paddingLeft || 0,
+			top: me.paddingTop || 0,
+			right: me.paddingRight || 0,
+			bottom: me.paddingBottom || 0
+		};
+	},
+
+	/**
+	 * Returns the scale tick objects ({label, major})
+	 * @since 2.7
+	 */
+	getTicks: function() {
+		return this._ticks;
+	},
+
+	/**
+	* @private
+	*/
+	_getLabels: function() {
+		var data = this.chart.data;
+		return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];
+	},
+
+	// These methods are ordered by lifecyle. Utilities then follow.
+	// Any function defined here is inherited by all scale types.
+	// Any function can be extended by the scale type
+
+	/**
+	 * Provided for backward compatibility, not available anymore
+	 * @function Chart.Scale.mergeTicksOptions
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 */
+	mergeTicksOptions: function() {
+		// noop
+	},
+
+	beforeUpdate: function() {
+		helpers$1.callback(this.options.beforeUpdate, [this]);
+	},
+
+	/**
+	 * @param {number} maxWidth - the max width in pixels
+	 * @param {number} maxHeight - the max height in pixels
+	 * @param {object} margins - the space between the edge of the other scales and edge of the chart
+	 *   This space comes from two sources:
+	 *     - padding - space that's required to show the labels at the edges of the scale
+	 *     - thickness of scales or legends in another orientation
+	 */
+	update: function(maxWidth, maxHeight, margins) {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var sampleSize = tickOpts.sampleSize;
+		var i, ilen, labels, ticks, samplingEnabled;
+
+		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
+		me.beforeUpdate();
+
+		// Absorb the master measurements
+		me.maxWidth = maxWidth;
+		me.maxHeight = maxHeight;
+		me.margins = helpers$1.extend({
+			left: 0,
+			right: 0,
+			top: 0,
+			bottom: 0
+		}, margins);
+
+		me._ticks = null;
+		me.ticks = null;
+		me._labelSizes = null;
+		me._maxLabelLines = 0;
+		me.longestLabelWidth = 0;
+		me.longestTextCache = me.longestTextCache || {};
+		me._gridLineItems = null;
+		me._labelItems = null;
+
+		// Dimensions
+		me.beforeSetDimensions();
+		me.setDimensions();
+		me.afterSetDimensions();
+
+		// Data min/max
+		me.beforeDataLimits();
+		me.determineDataLimits();
+		me.afterDataLimits();
+
+		// Ticks - `this.ticks` is now DEPRECATED!
+		// Internal ticks are now stored as objects in the PRIVATE `this._ticks` member
+		// and must not be accessed directly from outside this class. `this.ticks` being
+		// around for long time and not marked as private, we can't change its structure
+		// without unexpected breaking changes. If you need to access the scale ticks,
+		// use scale.getTicks() instead.
+
+		me.beforeBuildTicks();
+
+		// New implementations should return an array of objects but for BACKWARD COMPAT,
+		// we still support no return (`this.ticks` internally set by calling this method).
+		ticks = me.buildTicks() || [];
+
+		// Allow modification of ticks in callback.
+		ticks = me.afterBuildTicks(ticks) || ticks;
+
+		// Ensure ticks contains ticks in new tick format
+		if ((!ticks || !ticks.length) && me.ticks) {
+			ticks = [];
+			for (i = 0, ilen = me.ticks.length; i < ilen; ++i) {
+				ticks.push({
+					value: me.ticks[i],
+					major: false
+				});
+			}
+		}
+
+		me._ticks = ticks;
+
+		// Compute tick rotation and fit using a sampled subset of labels
+		// We generally don't need to compute the size of every single label for determining scale size
+		samplingEnabled = sampleSize < ticks.length;
+		labels = me._convertTicksToLabels(samplingEnabled ? sample(ticks, sampleSize) : ticks);
+
+		// _configure is called twice, once here, once from core.controller.updateLayout.
+		// Here we haven't been positioned yet, but dimensions are correct.
+		// Variables set in _configure are needed for calculateTickRotation, and
+		// it's ok that coordinates are not correct there, only dimensions matter.
+		me._configure();
+
+		// Tick Rotation
+		me.beforeCalculateTickRotation();
+		me.calculateTickRotation();
+		me.afterCalculateTickRotation();
+
+		me.beforeFit();
+		me.fit();
+		me.afterFit();
+
+		// Auto-skip
+		me._ticksToDraw = tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto') ? me._autoSkip(ticks) : ticks;
+
+		if (samplingEnabled) {
+			// Generate labels using all non-skipped ticks
+			labels = me._convertTicksToLabels(me._ticksToDraw);
+		}
+
+		me.ticks = labels;   // BACKWARD COMPATIBILITY
+
+		// IMPORTANT: after this point, we consider that `this.ticks` will NEVER change!
+
+		me.afterUpdate();
+
+		// TODO(v3): remove minSize as a public property and return value from all layout boxes. It is unused
+		// make maxWidth and maxHeight private
+		return me.minSize;
+	},
+
+	/**
+	 * @private
+	 */
+	_configure: function() {
+		var me = this;
+		var reversePixels = me.options.ticks.reverse;
+		var startPixel, endPixel;
+
+		if (me.isHorizontal()) {
+			startPixel = me.left;
+			endPixel = me.right;
+		} else {
+			startPixel = me.top;
+			endPixel = me.bottom;
+			// by default vertical scales are from bottom to top, so pixels are reversed
+			reversePixels = !reversePixels;
+		}
+		me._startPixel = startPixel;
+		me._endPixel = endPixel;
+		me._reversePixels = reversePixels;
+		me._length = endPixel - startPixel;
+	},
+
+	afterUpdate: function() {
+		helpers$1.callback(this.options.afterUpdate, [this]);
+	},
+
+	//
+
+	beforeSetDimensions: function() {
+		helpers$1.callback(this.options.beforeSetDimensions, [this]);
+	},
+	setDimensions: function() {
+		var me = this;
+		// Set the unconstrained dimension before label rotation
+		if (me.isHorizontal()) {
+			// Reset position before calculating rotation
+			me.width = me.maxWidth;
+			me.left = 0;
+			me.right = me.width;
+		} else {
+			me.height = me.maxHeight;
+
+			// Reset position before calculating rotation
+			me.top = 0;
+			me.bottom = me.height;
+		}
+
+		// Reset padding
+		me.paddingLeft = 0;
+		me.paddingTop = 0;
+		me.paddingRight = 0;
+		me.paddingBottom = 0;
+	},
+	afterSetDimensions: function() {
+		helpers$1.callback(this.options.afterSetDimensions, [this]);
+	},
+
+	// Data limits
+	beforeDataLimits: function() {
+		helpers$1.callback(this.options.beforeDataLimits, [this]);
+	},
+	determineDataLimits: helpers$1.noop,
+	afterDataLimits: function() {
+		helpers$1.callback(this.options.afterDataLimits, [this]);
+	},
+
+	//
+	beforeBuildTicks: function() {
+		helpers$1.callback(this.options.beforeBuildTicks, [this]);
+	},
+	buildTicks: helpers$1.noop,
+	afterBuildTicks: function(ticks) {
+		var me = this;
+		// ticks is empty for old axis implementations here
+		if (isArray(ticks) && ticks.length) {
+			return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]);
+		}
+		// Support old implementations (that modified `this.ticks` directly in buildTicks)
+		me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks;
+		return ticks;
+	},
+
+	beforeTickToLabelConversion: function() {
+		helpers$1.callback(this.options.beforeTickToLabelConversion, [this]);
+	},
+	convertTicksToLabels: function() {
+		var me = this;
+		// Convert ticks to strings
+		var tickOpts = me.options.ticks;
+		me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);
+	},
+	afterTickToLabelConversion: function() {
+		helpers$1.callback(this.options.afterTickToLabelConversion, [this]);
+	},
+
+	//
+
+	beforeCalculateTickRotation: function() {
+		helpers$1.callback(this.options.beforeCalculateTickRotation, [this]);
+	},
+	calculateTickRotation: function() {
+		var me = this;
+		var options = me.options;
+		var tickOpts = options.ticks;
+		var numTicks = me.getTicks().length;
+		var minRotation = tickOpts.minRotation || 0;
+		var maxRotation = tickOpts.maxRotation;
+		var labelRotation = minRotation;
+		var labelSizes, maxLabelWidth, maxLabelHeight, maxWidth, tickWidth, maxHeight, maxLabelDiagonal;
+
+		if (!me._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !me.isHorizontal()) {
+			me.labelRotation = minRotation;
+			return;
+		}
+
+		labelSizes = me._getLabelSizes();
+		maxLabelWidth = labelSizes.widest.width;
+		maxLabelHeight = labelSizes.highest.height - labelSizes.highest.offset;
+
+		// Estimate the width of each grid based on the canvas width, the maximum
+		// label width and the number of tick intervals
+		maxWidth = Math.min(me.maxWidth, me.chart.width - maxLabelWidth);
+		tickWidth = options.offset ? me.maxWidth / numTicks : maxWidth / (numTicks - 1);
+
+		// Allow 3 pixels x2 padding either side for label readability
+		if (maxLabelWidth + 6 > tickWidth) {
+			tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));
+			maxHeight = me.maxHeight - getTickMarkLength(options.gridLines)
+				- tickOpts.padding - getScaleLabelHeight(options.scaleLabel);
+			maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);
+			labelRotation = helpers$1.toDegrees(Math.min(
+				Math.asin(Math.min((labelSizes.highest.height + 6) / tickWidth, 1)),
+				Math.asin(Math.min(maxHeight / maxLabelDiagonal, 1)) - Math.asin(maxLabelHeight / maxLabelDiagonal)
+			));
+			labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));
+		}
+
+		me.labelRotation = labelRotation;
+	},
+	afterCalculateTickRotation: function() {
+		helpers$1.callback(this.options.afterCalculateTickRotation, [this]);
+	},
+
+	//
+
+	beforeFit: function() {
+		helpers$1.callback(this.options.beforeFit, [this]);
+	},
+	fit: function() {
+		var me = this;
+		// Reset
+		var minSize = me.minSize = {
+			width: 0,
+			height: 0
+		};
+
+		var chart = me.chart;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+		var scaleLabelOpts = opts.scaleLabel;
+		var gridLineOpts = opts.gridLines;
+		var display = me._isVisible();
+		var isBottom = opts.position === 'bottom';
+		var isHorizontal = me.isHorizontal();
+
+		// Width
+		if (isHorizontal) {
+			minSize.width = me.maxWidth;
+		} else if (display) {
+			minSize.width = getTickMarkLength(gridLineOpts) + getScaleLabelHeight(scaleLabelOpts);
+		}
+
+		// height
+		if (!isHorizontal) {
+			minSize.height = me.maxHeight; // fill all the height
+		} else if (display) {
+			minSize.height = getTickMarkLength(gridLineOpts) + getScaleLabelHeight(scaleLabelOpts);
+		}
+
+		// Don't bother fitting the ticks if we are not showing the labels
+		if (tickOpts.display && display) {
+			var tickFonts = parseTickFontOptions(tickOpts);
+			var labelSizes = me._getLabelSizes();
+			var firstLabelSize = labelSizes.first;
+			var lastLabelSize = labelSizes.last;
+			var widestLabelSize = labelSizes.widest;
+			var highestLabelSize = labelSizes.highest;
+			var lineSpace = tickFonts.minor.lineHeight * 0.4;
+			var tickPadding = tickOpts.padding;
+
+			if (isHorizontal) {
+				// A horizontal axis is more constrained by the height.
+				var isRotated = me.labelRotation !== 0;
+				var angleRadians = helpers$1.toRadians(me.labelRotation);
+				var cosRotation = Math.cos(angleRadians);
+				var sinRotation = Math.sin(angleRadians);
+
+				var labelHeight = sinRotation * widestLabelSize.width
+					+ cosRotation * (highestLabelSize.height - (isRotated ? highestLabelSize.offset : 0))
+					+ (isRotated ? 0 : lineSpace); // padding
+
+				minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);
+
+				var offsetLeft = me.getPixelForTick(0) - me.left;
+				var offsetRight = me.right - me.getPixelForTick(me.getTicks().length - 1);
+				var paddingLeft, paddingRight;
+
+				// Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned
+				// which means that the right padding is dominated by the font height
+				if (isRotated) {
+					paddingLeft = isBottom ?
+						cosRotation * firstLabelSize.width + sinRotation * firstLabelSize.offset :
+						sinRotation * (firstLabelSize.height - firstLabelSize.offset);
+					paddingRight = isBottom ?
+						sinRotation * (lastLabelSize.height - lastLabelSize.offset) :
+						cosRotation * lastLabelSize.width + sinRotation * lastLabelSize.offset;
+				} else {
+					paddingLeft = firstLabelSize.width / 2;
+					paddingRight = lastLabelSize.width / 2;
+				}
+
+				// Adjust padding taking into account changes in offsets
+				// and add 3 px to move away from canvas edges
+				me.paddingLeft = Math.max((paddingLeft - offsetLeft) * me.width / (me.width - offsetLeft), 0) + 3;
+				me.paddingRight = Math.max((paddingRight - offsetRight) * me.width / (me.width - offsetRight), 0) + 3;
+			} else {
+				// A vertical axis is more constrained by the width. Labels are the
+				// dominant factor here, so get that length first and account for padding
+				var labelWidth = tickOpts.mirror ? 0 :
+					// use lineSpace for consistency with horizontal axis
+					// tickPadding is not implemented for horizontal
+					widestLabelSize.width + tickPadding + lineSpace;
+
+				minSize.width = Math.min(me.maxWidth, minSize.width + labelWidth);
+
+				me.paddingTop = firstLabelSize.height / 2;
+				me.paddingBottom = lastLabelSize.height / 2;
+			}
+		}
+
+		me.handleMargins();
+
+		if (isHorizontal) {
+			me.width = me._length = chart.width - me.margins.left - me.margins.right;
+			me.height = minSize.height;
+		} else {
+			me.width = minSize.width;
+			me.height = me._length = chart.height - me.margins.top - me.margins.bottom;
+		}
+	},
+
+	/**
+	 * Handle margins and padding interactions
+	 * @private
+	 */
+	handleMargins: function() {
+		var me = this;
+		if (me.margins) {
+			me.margins.left = Math.max(me.paddingLeft, me.margins.left);
+			me.margins.top = Math.max(me.paddingTop, me.margins.top);
+			me.margins.right = Math.max(me.paddingRight, me.margins.right);
+			me.margins.bottom = Math.max(me.paddingBottom, me.margins.bottom);
+		}
+	},
+
+	afterFit: function() {
+		helpers$1.callback(this.options.afterFit, [this]);
+	},
+
+	// Shared Methods
+	isHorizontal: function() {
+		var pos = this.options.position;
+		return pos === 'top' || pos === 'bottom';
+	},
+	isFullWidth: function() {
+		return this.options.fullWidth;
+	},
+
+	// Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not
+	getRightValue: function(rawValue) {
+		// Null and undefined values first
+		if (isNullOrUndef(rawValue)) {
+			return NaN;
+		}
+		// isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values
+		if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) {
+			return NaN;
+		}
+
+		// If it is in fact an object, dive in one more level
+		if (rawValue) {
+			if (this.isHorizontal()) {
+				if (rawValue.x !== undefined) {
+					return this.getRightValue(rawValue.x);
+				}
+			} else if (rawValue.y !== undefined) {
+				return this.getRightValue(rawValue.y);
+			}
+		}
+
+		// Value is good, return it
+		return rawValue;
+	},
+
+	_convertTicksToLabels: function(ticks) {
+		var me = this;
+		var labels, i, ilen;
+
+		me.ticks = ticks.map(function(tick) {
+			return tick.value;
+		});
+
+		me.beforeTickToLabelConversion();
+
+		// New implementations should return the formatted tick labels but for BACKWARD
+		// COMPAT, we still support no return (`this.ticks` internally changed by calling
+		// this method and supposed to contain only string values).
+		labels = me.convertTicksToLabels(ticks) || me.ticks;
+
+		me.afterTickToLabelConversion();
+
+		// BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)
+		for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+			ticks[i].label = labels[i];
+		}
+
+		return labels;
+	},
+
+	/**
+	 * @private
+	 */
+	_getLabelSizes: function() {
+		var me = this;
+		var labelSizes = me._labelSizes;
+
+		if (!labelSizes) {
+			me._labelSizes = labelSizes = computeLabelSizes(me.ctx, parseTickFontOptions(me.options.ticks), me.getTicks(), me.longestTextCache);
+			me.longestLabelWidth = labelSizes.widest.width;
+		}
+
+		return labelSizes;
+	},
+
+	/**
+	 * @private
+	 */
+	_parseValue: function(value) {
+		var start, end, min, max;
+
+		if (isArray(value)) {
+			start = +this.getRightValue(value[0]);
+			end = +this.getRightValue(value[1]);
+			min = Math.min(start, end);
+			max = Math.max(start, end);
+		} else {
+			value = +this.getRightValue(value);
+			start = undefined;
+			end = value;
+			min = value;
+			max = value;
+		}
+
+		return {
+			min: min,
+			max: max,
+			start: start,
+			end: end
+		};
+	},
+
+	/**
+	* @private
+	*/
+	_getScaleLabel: function(rawValue) {
+		var v = this._parseValue(rawValue);
+		if (v.start !== undefined) {
+			return '[' + v.start + ', ' + v.end + ']';
+		}
+
+		return +this.getRightValue(rawValue);
+	},
+
+	/**
+	 * Used to get the value to display in the tooltip for the data at the given index
+	 * @param index
+	 * @param datasetIndex
+	 */
+	getLabelForIndex: helpers$1.noop,
+
+	/**
+	 * Returns the location of the given data point. Value can either be an index or a numerical value
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 * @param value
+	 * @param index
+	 * @param datasetIndex
+	 */
+	getPixelForValue: helpers$1.noop,
+
+	/**
+	 * Used to get the data value from a given pixel. This is the inverse of getPixelForValue
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 * @param pixel
+	 */
+	getValueForPixel: helpers$1.noop,
+
+	/**
+	 * Returns the location of the tick at the given index
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 */
+	getPixelForTick: function(index) {
+		var me = this;
+		var offset = me.options.offset;
+		var numTicks = me._ticks.length;
+		var tickWidth = 1 / Math.max(numTicks - (offset ? 0 : 1), 1);
+
+		return index < 0 || index > numTicks - 1
+			? null
+			: me.getPixelForDecimal(index * tickWidth + (offset ? tickWidth / 2 : 0));
+	},
+
+	/**
+	 * Utility for getting the pixel location of a percentage of scale
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 */
+	getPixelForDecimal: function(decimal) {
+		var me = this;
+
+		if (me._reversePixels) {
+			decimal = 1 - decimal;
+		}
+
+		return me._startPixel + decimal * me._length;
+	},
+
+	getDecimalForPixel: function(pixel) {
+		var decimal = (pixel - this._startPixel) / this._length;
+		return this._reversePixels ? 1 - decimal : decimal;
+	},
+
+	/**
+	 * Returns the pixel for the minimum chart value
+	 * The coordinate (0, 0) is at the upper-left corner of the canvas
+	 */
+	getBasePixel: function() {
+		return this.getPixelForValue(this.getBaseValue());
+	},
+
+	getBaseValue: function() {
+		var me = this;
+		var min = me.min;
+		var max = me.max;
+
+		return me.beginAtZero ? 0 :
+			min < 0 && max < 0 ? max :
+			min > 0 && max > 0 ? min :
+			0;
+	},
+
+	/**
+	 * Returns a subset of ticks to be plotted to avoid overlapping labels.
+	 * @private
+	 */
+	_autoSkip: function(ticks) {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var axisLength = me._length;
+		var ticksLimit = tickOpts.maxTicksLimit || axisLength / me._tickSize() + 1;
+		var majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];
+		var numMajorIndices = majorIndices.length;
+		var first = majorIndices[0];
+		var last = majorIndices[numMajorIndices - 1];
+		var i, ilen, spacing, avgMajorSpacing;
+
+		// If there are too many major ticks to display them all
+		if (numMajorIndices > ticksLimit) {
+			skipMajors(ticks, majorIndices, numMajorIndices / ticksLimit);
+			return nonSkipped(ticks);
+		}
+
+		spacing = calculateSpacing(majorIndices, ticks, axisLength, ticksLimit);
+
+		if (numMajorIndices > 0) {
+			for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {
+				skip(ticks, spacing, majorIndices[i], majorIndices[i + 1]);
+			}
+			avgMajorSpacing = numMajorIndices > 1 ? (last - first) / (numMajorIndices - 1) : null;
+			skip(ticks, spacing, helpers$1.isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);
+			skip(ticks, spacing, last, helpers$1.isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);
+			return nonSkipped(ticks);
+		}
+		skip(ticks, spacing);
+		return nonSkipped(ticks);
+	},
+
+	/**
+	 * @private
+	 */
+	_tickSize: function() {
+		var me = this;
+		var optionTicks = me.options.ticks;
+
+		// Calculate space needed by label in axis direction.
+		var rot = helpers$1.toRadians(me.labelRotation);
+		var cos = Math.abs(Math.cos(rot));
+		var sin = Math.abs(Math.sin(rot));
+
+		var labelSizes = me._getLabelSizes();
+		var padding = optionTicks.autoSkipPadding || 0;
+		var w = labelSizes ? labelSizes.widest.width + padding : 0;
+		var h = labelSizes ? labelSizes.highest.height + padding : 0;
+
+		// Calculate space needed for 1 tick in axis direction.
+		return me.isHorizontal()
+			? h * cos > w * sin ? w / cos : h / sin
+			: h * sin < w * cos ? h / cos : w / sin;
+	},
+
+	/**
+	 * @private
+	 */
+	_isVisible: function() {
+		var me = this;
+		var chart = me.chart;
+		var display = me.options.display;
+		var i, ilen, meta;
+
+		if (display !== 'auto') {
+			return !!display;
+		}
+
+		// When 'auto', the scale is visible if at least one associated dataset is visible.
+		for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
+			if (chart.isDatasetVisible(i)) {
+				meta = chart.getDatasetMeta(i);
+				if (meta.xAxisID === me.id || meta.yAxisID === me.id) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	},
+
+	/**
+	 * @private
+	 */
+	_computeGridLineItems: function(chartArea) {
+		var me = this;
+		var chart = me.chart;
+		var options = me.options;
+		var gridLines = options.gridLines;
+		var position = options.position;
+		var offsetGridLines = gridLines.offsetGridLines;
+		var isHorizontal = me.isHorizontal();
+		var ticks = me._ticksToDraw;
+		var ticksLength = ticks.length + (offsetGridLines ? 1 : 0);
+
+		var tl = getTickMarkLength(gridLines);
+		var items = [];
+		var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0;
+		var axisHalfWidth = axisWidth / 2;
+		var alignPixel = helpers$1._alignPixel;
+		var alignBorderValue = function(pixel) {
+			return alignPixel(chart, pixel, axisWidth);
+		};
+		var borderValue, i, tick, lineValue, alignedLineValue;
+		var tx1, ty1, tx2, ty2, x1, y1, x2, y2, lineWidth, lineColor, borderDash, borderDashOffset;
+
+		if (position === 'top') {
+			borderValue = alignBorderValue(me.bottom);
+			ty1 = me.bottom - tl;
+			ty2 = borderValue - axisHalfWidth;
+			y1 = alignBorderValue(chartArea.top) + axisHalfWidth;
+			y2 = chartArea.bottom;
+		} else if (position === 'bottom') {
+			borderValue = alignBorderValue(me.top);
+			y1 = chartArea.top;
+			y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;
+			ty1 = borderValue + axisHalfWidth;
+			ty2 = me.top + tl;
+		} else if (position === 'left') {
+			borderValue = alignBorderValue(me.right);
+			tx1 = me.right - tl;
+			tx2 = borderValue - axisHalfWidth;
+			x1 = alignBorderValue(chartArea.left) + axisHalfWidth;
+			x2 = chartArea.right;
+		} else {
+			borderValue = alignBorderValue(me.left);
+			x1 = chartArea.left;
+			x2 = alignBorderValue(chartArea.right) - axisHalfWidth;
+			tx1 = borderValue + axisHalfWidth;
+			tx2 = me.left + tl;
+		}
+
+		for (i = 0; i < ticksLength; ++i) {
+			tick = ticks[i] || {};
+
+			// autoskipper skipped this tick (#4635)
+			if (isNullOrUndef(tick.label) && i < ticks.length) {
+				continue;
+			}
+
+			if (i === me.zeroLineIndex && options.offset === offsetGridLines) {
+				// Draw the first index specially
+				lineWidth = gridLines.zeroLineWidth;
+				lineColor = gridLines.zeroLineColor;
+				borderDash = gridLines.zeroLineBorderDash || [];
+				borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0;
+			} else {
+				lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, i, 1);
+				lineColor = valueAtIndexOrDefault(gridLines.color, i, 'rgba(0,0,0,0.1)');
+				borderDash = gridLines.borderDash || [];
+				borderDashOffset = gridLines.borderDashOffset || 0.0;
+			}
+
+			lineValue = getPixelForGridLine(me, tick._index || i, offsetGridLines);
+
+			// Skip if the pixel is out of the range
+			if (lineValue === undefined) {
+				continue;
+			}
+
+			alignedLineValue = alignPixel(chart, lineValue, lineWidth);
+
+			if (isHorizontal) {
+				tx1 = tx2 = x1 = x2 = alignedLineValue;
+			} else {
+				ty1 = ty2 = y1 = y2 = alignedLineValue;
+			}
+
+			items.push({
+				tx1: tx1,
+				ty1: ty1,
+				tx2: tx2,
+				ty2: ty2,
+				x1: x1,
+				y1: y1,
+				x2: x2,
+				y2: y2,
+				width: lineWidth,
+				color: lineColor,
+				borderDash: borderDash,
+				borderDashOffset: borderDashOffset,
+			});
+		}
+
+		items.ticksLength = ticksLength;
+		items.borderValue = borderValue;
+
+		return items;
+	},
+
+	/**
+	 * @private
+	 */
+	_computeLabelItems: function() {
+		var me = this;
+		var options = me.options;
+		var optionTicks = options.ticks;
+		var position = options.position;
+		var isMirrored = optionTicks.mirror;
+		var isHorizontal = me.isHorizontal();
+		var ticks = me._ticksToDraw;
+		var fonts = parseTickFontOptions(optionTicks);
+		var tickPadding = optionTicks.padding;
+		var tl = getTickMarkLength(options.gridLines);
+		var rotation = -helpers$1.toRadians(me.labelRotation);
+		var items = [];
+		var i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;
+
+		if (position === 'top') {
+			y = me.bottom - tl - tickPadding;
+			textAlign = !rotation ? 'center' : 'left';
+		} else if (position === 'bottom') {
+			y = me.top + tl + tickPadding;
+			textAlign = !rotation ? 'center' : 'right';
+		} else if (position === 'left') {
+			x = me.right - (isMirrored ? 0 : tl) - tickPadding;
+			textAlign = isMirrored ? 'left' : 'right';
+		} else {
+			x = me.left + (isMirrored ? 0 : tl) + tickPadding;
+			textAlign = isMirrored ? 'right' : 'left';
+		}
+
+		for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+			tick = ticks[i];
+			label = tick.label;
+
+			// autoskipper skipped this tick (#4635)
+			if (isNullOrUndef(label)) {
+				continue;
+			}
+
+			pixel = me.getPixelForTick(tick._index || i) + optionTicks.labelOffset;
+			font = tick.major ? fonts.major : fonts.minor;
+			lineHeight = font.lineHeight;
+			lineCount = isArray(label) ? label.length : 1;
+
+			if (isHorizontal) {
+				x = pixel;
+				textOffset = position === 'top'
+					? ((!rotation ? 0.5 : 1) - lineCount) * lineHeight
+					: (!rotation ? 0.5 : 0) * lineHeight;
+			} else {
+				y = pixel;
+				textOffset = (1 - lineCount) * lineHeight / 2;
+			}
+
+			items.push({
+				x: x,
+				y: y,
+				rotation: rotation,
+				label: label,
+				font: font,
+				textOffset: textOffset,
+				textAlign: textAlign
+			});
+		}
+
+		return items;
+	},
+
+	/**
+	 * @private
+	 */
+	_drawGrid: function(chartArea) {
+		var me = this;
+		var gridLines = me.options.gridLines;
+
+		if (!gridLines.display) {
+			return;
+		}
+
+		var ctx = me.ctx;
+		var chart = me.chart;
+		var alignPixel = helpers$1._alignPixel;
+		var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0;
+		var items = me._gridLineItems || (me._gridLineItems = me._computeGridLineItems(chartArea));
+		var width, color, i, ilen, item;
+
+		for (i = 0, ilen = items.length; i < ilen; ++i) {
+			item = items[i];
+			width = item.width;
+			color = item.color;
+
+			if (width && color) {
+				ctx.save();
+				ctx.lineWidth = width;
+				ctx.strokeStyle = color;
+				if (ctx.setLineDash) {
+					ctx.setLineDash(item.borderDash);
+					ctx.lineDashOffset = item.borderDashOffset;
+				}
+
+				ctx.beginPath();
+
+				if (gridLines.drawTicks) {
+					ctx.moveTo(item.tx1, item.ty1);
+					ctx.lineTo(item.tx2, item.ty2);
+				}
+
+				if (gridLines.drawOnChartArea) {
+					ctx.moveTo(item.x1, item.y1);
+					ctx.lineTo(item.x2, item.y2);
+				}
+
+				ctx.stroke();
+				ctx.restore();
+			}
+		}
+
+		if (axisWidth) {
+			// Draw the line at the edge of the axis
+			var firstLineWidth = axisWidth;
+			var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, items.ticksLength - 1, 1);
+			var borderValue = items.borderValue;
+			var x1, x2, y1, y2;
+
+			if (me.isHorizontal()) {
+				x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2;
+				x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2;
+				y1 = y2 = borderValue;
+			} else {
+				y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2;
+				y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2;
+				x1 = x2 = borderValue;
+			}
+
+			ctx.lineWidth = axisWidth;
+			ctx.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0);
+			ctx.beginPath();
+			ctx.moveTo(x1, y1);
+			ctx.lineTo(x2, y2);
+			ctx.stroke();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_drawLabels: function() {
+		var me = this;
+		var optionTicks = me.options.ticks;
+
+		if (!optionTicks.display) {
+			return;
+		}
+
+		var ctx = me.ctx;
+		var items = me._labelItems || (me._labelItems = me._computeLabelItems());
+		var i, j, ilen, jlen, item, tickFont, label, y;
+
+		for (i = 0, ilen = items.length; i < ilen; ++i) {
+			item = items[i];
+			tickFont = item.font;
+
+			// Make sure we draw text in the correct color and font
+			ctx.save();
+			ctx.translate(item.x, item.y);
+			ctx.rotate(item.rotation);
+			ctx.font = tickFont.string;
+			ctx.fillStyle = tickFont.color;
+			ctx.textBaseline = 'middle';
+			ctx.textAlign = item.textAlign;
+
+			label = item.label;
+			y = item.textOffset;
+			if (isArray(label)) {
+				for (j = 0, jlen = label.length; j < jlen; ++j) {
+					// We just make sure the multiline element is a string here..
+					ctx.fillText('' + label[j], 0, y);
+					y += tickFont.lineHeight;
+				}
+			} else {
+				ctx.fillText(label, 0, y);
+			}
+			ctx.restore();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_drawTitle: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var options = me.options;
+		var scaleLabel = options.scaleLabel;
+
+		if (!scaleLabel.display) {
+			return;
+		}
+
+		var scaleLabelFontColor = valueOrDefault$a(scaleLabel.fontColor, core_defaults.global.defaultFontColor);
+		var scaleLabelFont = helpers$1.options._parseFont(scaleLabel);
+		var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding);
+		var halfLineHeight = scaleLabelFont.lineHeight / 2;
+		var position = options.position;
+		var rotation = 0;
+		var scaleLabelX, scaleLabelY;
+
+		if (me.isHorizontal()) {
+			scaleLabelX = me.left + me.width / 2; // midpoint of the width
+			scaleLabelY = position === 'bottom'
+				? me.bottom - halfLineHeight - scaleLabelPadding.bottom
+				: me.top + halfLineHeight + scaleLabelPadding.top;
+		} else {
+			var isLeft = position === 'left';
+			scaleLabelX = isLeft
+				? me.left + halfLineHeight + scaleLabelPadding.top
+				: me.right - halfLineHeight - scaleLabelPadding.top;
+			scaleLabelY = me.top + me.height / 2;
+			rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;
+		}
+
+		ctx.save();
+		ctx.translate(scaleLabelX, scaleLabelY);
+		ctx.rotate(rotation);
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+		ctx.fillStyle = scaleLabelFontColor; // render in correct colour
+		ctx.font = scaleLabelFont.string;
+		ctx.fillText(scaleLabel.labelString, 0, 0);
+		ctx.restore();
+	},
+
+	draw: function(chartArea) {
+		var me = this;
+
+		if (!me._isVisible()) {
+			return;
+		}
+
+		me._drawGrid(chartArea);
+		me._drawTitle();
+		me._drawLabels();
+	},
+
+	/**
+	 * @private
+	 */
+	_layers: function() {
+		var me = this;
+		var opts = me.options;
+		var tz = opts.ticks && opts.ticks.z || 0;
+		var gz = opts.gridLines && opts.gridLines.z || 0;
+
+		if (!me._isVisible() || tz === gz || me.draw !== me._draw) {
+			// backward compatibility: draw has been overridden by custom scale
+			return [{
+				z: tz,
+				draw: function() {
+					me.draw.apply(me, arguments);
+				}
+			}];
+		}
+
+		return [{
+			z: gz,
+			draw: function() {
+				me._drawGrid.apply(me, arguments);
+				me._drawTitle.apply(me, arguments);
+			}
+		}, {
+			z: tz,
+			draw: function() {
+				me._drawLabels.apply(me, arguments);
+			}
+		}];
+	},
+
+	/**
+	 * @private
+	 */
+	_getMatchingVisibleMetas: function(type) {
+		var me = this;
+		var isHorizontal = me.isHorizontal();
+		return me.chart._getSortedVisibleDatasetMetas()
+			.filter(function(meta) {
+				return (!type || meta.type === type)
+					&& (isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id);
+			});
+	}
+});
+
+Scale.prototype._draw = Scale.prototype.draw;
+
+var core_scale = Scale;
+
+var isNullOrUndef$1 = helpers$1.isNullOrUndef;
+
+var defaultConfig = {
+	position: 'bottom'
+};
+
+var scale_category = core_scale.extend({
+	determineDataLimits: function() {
+		var me = this;
+		var labels = me._getLabels();
+		var ticksOpts = me.options.ticks;
+		var min = ticksOpts.min;
+		var max = ticksOpts.max;
+		var minIndex = 0;
+		var maxIndex = labels.length - 1;
+		var findIndex;
+
+		if (min !== undefined) {
+			// user specified min value
+			findIndex = labels.indexOf(min);
+			if (findIndex >= 0) {
+				minIndex = findIndex;
+			}
+		}
+
+		if (max !== undefined) {
+			// user specified max value
+			findIndex = labels.indexOf(max);
+			if (findIndex >= 0) {
+				maxIndex = findIndex;
+			}
+		}
+
+		me.minIndex = minIndex;
+		me.maxIndex = maxIndex;
+		me.min = labels[minIndex];
+		me.max = labels[maxIndex];
+	},
+
+	buildTicks: function() {
+		var me = this;
+		var labels = me._getLabels();
+		var minIndex = me.minIndex;
+		var maxIndex = me.maxIndex;
+
+		// If we are viewing some subset of labels, slice the original array
+		me.ticks = (minIndex === 0 && maxIndex === labels.length - 1) ? labels : labels.slice(minIndex, maxIndex + 1);
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		var me = this;
+		var chart = me.chart;
+
+		if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) {
+			return me.getRightValue(chart.data.datasets[datasetIndex].data[index]);
+		}
+
+		return me._getLabels()[index];
+	},
+
+	_configure: function() {
+		var me = this;
+		var offset = me.options.offset;
+		var ticks = me.ticks;
+
+		core_scale.prototype._configure.call(me);
+
+		if (!me.isHorizontal()) {
+			// For backward compatibility, vertical category scale reverse is inverted.
+			me._reversePixels = !me._reversePixels;
+		}
+
+		if (!ticks) {
+			return;
+		}
+
+		me._startValue = me.minIndex - (offset ? 0.5 : 0);
+		me._valueRange = Math.max(ticks.length - (offset ? 0 : 1), 1);
+	},
+
+	// Used to get data value locations.  Value can either be an index or a numerical value
+	getPixelForValue: function(value, index, datasetIndex) {
+		var me = this;
+		var valueCategory, labels, idx;
+
+		if (!isNullOrUndef$1(index) && !isNullOrUndef$1(datasetIndex)) {
+			value = me.chart.data.datasets[datasetIndex].data[index];
+		}
+
+		// If value is a data object, then index is the index in the data array,
+		// not the index of the scale. We need to change that.
+		if (!isNullOrUndef$1(value)) {
+			valueCategory = me.isHorizontal() ? value.x : value.y;
+		}
+		if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {
+			labels = me._getLabels();
+			value = helpers$1.valueOrDefault(valueCategory, value);
+			idx = labels.indexOf(value);
+			index = idx !== -1 ? idx : index;
+			if (isNaN(index)) {
+				index = value;
+			}
+		}
+		return me.getPixelForDecimal((index - me._startValue) / me._valueRange);
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.ticks;
+		return index < 0 || index > ticks.length - 1
+			? null
+			: this.getPixelForValue(ticks[index], index + this.minIndex);
+	},
+
+	getValueForPixel: function(pixel) {
+		var me = this;
+		var value = Math.round(me._startValue + me.getDecimalForPixel(pixel) * me._valueRange);
+		return Math.min(Math.max(value, 0), me.ticks.length - 1);
+	},
+
+	getBasePixel: function() {
+		return this.bottom;
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults = defaultConfig;
+scale_category._defaults = _defaults;
+
+var noop = helpers$1.noop;
+var isNullOrUndef$2 = helpers$1.isNullOrUndef;
+
+/**
+ * Generate a set of linear ticks
+ * @param generationOptions the options used to generate the ticks
+ * @param dataRange the range of the data
+ * @returns {number[]} array of tick values
+ */
+function generateTicks(generationOptions, dataRange) {
+	var ticks = [];
+	// To get a "nice" value for the tick spacing, we will use the appropriately named
+	// "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
+	// for details.
+
+	var MIN_SPACING = 1e-14;
+	var stepSize = generationOptions.stepSize;
+	var unit = stepSize || 1;
+	var maxNumSpaces = generationOptions.maxTicks - 1;
+	var min = generationOptions.min;
+	var max = generationOptions.max;
+	var precision = generationOptions.precision;
+	var rmin = dataRange.min;
+	var rmax = dataRange.max;
+	var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit;
+	var factor, niceMin, niceMax, numSpaces;
+
+	// Beyond MIN_SPACING floating point numbers being to lose precision
+	// such that we can't do the math necessary to generate ticks
+	if (spacing < MIN_SPACING && isNullOrUndef$2(min) && isNullOrUndef$2(max)) {
+		return [rmin, rmax];
+	}
+
+	numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);
+	if (numSpaces > maxNumSpaces) {
+		// If the calculated num of spaces exceeds maxNumSpaces, recalculate it
+		spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit;
+	}
+
+	if (stepSize || isNullOrUndef$2(precision)) {
+		// If a precision is not specified, calculate factor based on spacing
+		factor = Math.pow(10, helpers$1._decimalPlaces(spacing));
+	} else {
+		// If the user specified a precision, round to that number of decimal places
+		factor = Math.pow(10, precision);
+		spacing = Math.ceil(spacing * factor) / factor;
+	}
+
+	niceMin = Math.floor(rmin / spacing) * spacing;
+	niceMax = Math.ceil(rmax / spacing) * spacing;
+
+	// If min, max and stepSize is set and they make an evenly spaced scale use it.
+	if (stepSize) {
+		// If very close to our whole number, use it.
+		if (!isNullOrUndef$2(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) {
+			niceMin = min;
+		}
+		if (!isNullOrUndef$2(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) {
+			niceMax = max;
+		}
+	}
+
+	numSpaces = (niceMax - niceMin) / spacing;
+	// If very close to our rounded value, use it.
+	if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {
+		numSpaces = Math.round(numSpaces);
+	} else {
+		numSpaces = Math.ceil(numSpaces);
+	}
+
+	niceMin = Math.round(niceMin * factor) / factor;
+	niceMax = Math.round(niceMax * factor) / factor;
+	ticks.push(isNullOrUndef$2(min) ? niceMin : min);
+	for (var j = 1; j < numSpaces; ++j) {
+		ticks.push(Math.round((niceMin + j * spacing) * factor) / factor);
+	}
+	ticks.push(isNullOrUndef$2(max) ? niceMax : max);
+
+	return ticks;
+}
+
+var scale_linearbase = core_scale.extend({
+	getRightValue: function(value) {
+		if (typeof value === 'string') {
+			return +value;
+		}
+		return core_scale.prototype.getRightValue.call(this, value);
+	},
+
+	handleTickRangeOptions: function() {
+		var me = this;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+
+		// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
+		// do nothing since that would make the chart weird. If the user really wants a weird chart
+		// axis, they can manually override it
+		if (tickOpts.beginAtZero) {
+			var minSign = helpers$1.sign(me.min);
+			var maxSign = helpers$1.sign(me.max);
+
+			if (minSign < 0 && maxSign < 0) {
+				// move the top up to 0
+				me.max = 0;
+			} else if (minSign > 0 && maxSign > 0) {
+				// move the bottom down to 0
+				me.min = 0;
+			}
+		}
+
+		var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;
+		var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;
+
+		if (tickOpts.min !== undefined) {
+			me.min = tickOpts.min;
+		} else if (tickOpts.suggestedMin !== undefined) {
+			if (me.min === null) {
+				me.min = tickOpts.suggestedMin;
+			} else {
+				me.min = Math.min(me.min, tickOpts.suggestedMin);
+			}
+		}
+
+		if (tickOpts.max !== undefined) {
+			me.max = tickOpts.max;
+		} else if (tickOpts.suggestedMax !== undefined) {
+			if (me.max === null) {
+				me.max = tickOpts.suggestedMax;
+			} else {
+				me.max = Math.max(me.max, tickOpts.suggestedMax);
+			}
+		}
+
+		if (setMin !== setMax) {
+			// We set the min or the max but not both.
+			// So ensure that our range is good
+			// Inverted or 0 length range can happen when
+			// ticks.min is set, and no datasets are visible
+			if (me.min >= me.max) {
+				if (setMin) {
+					me.max = me.min + 1;
+				} else {
+					me.min = me.max - 1;
+				}
+			}
+		}
+
+		if (me.min === me.max) {
+			me.max++;
+
+			if (!tickOpts.beginAtZero) {
+				me.min--;
+			}
+		}
+	},
+
+	getTickLimit: function() {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var stepSize = tickOpts.stepSize;
+		var maxTicksLimit = tickOpts.maxTicksLimit;
+		var maxTicks;
+
+		if (stepSize) {
+			maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1;
+		} else {
+			maxTicks = me._computeTickLimit();
+			maxTicksLimit = maxTicksLimit || 11;
+		}
+
+		if (maxTicksLimit) {
+			maxTicks = Math.min(maxTicksLimit, maxTicks);
+		}
+
+		return maxTicks;
+	},
+
+	_computeTickLimit: function() {
+		return Number.POSITIVE_INFINITY;
+	},
+
+	handleDirectionalChanges: noop,
+
+	buildTicks: function() {
+		var me = this;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+
+		// Figure out what the max number of ticks we can support it is based on the size of
+		// the axis area. For now, we say that the minimum tick spacing in pixels must be 40
+		// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
+		// the graph. Make sure we always have at least 2 ticks
+		var maxTicks = me.getTickLimit();
+		maxTicks = Math.max(2, maxTicks);
+
+		var numericGeneratorOptions = {
+			maxTicks: maxTicks,
+			min: tickOpts.min,
+			max: tickOpts.max,
+			precision: tickOpts.precision,
+			stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)
+		};
+		var ticks = me.ticks = generateTicks(numericGeneratorOptions, me);
+
+		me.handleDirectionalChanges();
+
+		// At this point, we need to update our max and min given the tick values since we have expanded the
+		// range of the scale
+		me.max = helpers$1.max(ticks);
+		me.min = helpers$1.min(ticks);
+
+		if (tickOpts.reverse) {
+			ticks.reverse();
+
+			me.start = me.max;
+			me.end = me.min;
+		} else {
+			me.start = me.min;
+			me.end = me.max;
+		}
+	},
+
+	convertTicksToLabels: function() {
+		var me = this;
+		me.ticksAsNumbers = me.ticks.slice();
+		me.zeroLineIndex = me.ticks.indexOf(0);
+
+		core_scale.prototype.convertTicksToLabels.call(me);
+	},
+
+	_configure: function() {
+		var me = this;
+		var ticks = me.getTicks();
+		var start = me.min;
+		var end = me.max;
+		var offset;
+
+		core_scale.prototype._configure.call(me);
+
+		if (me.options.offset && ticks.length) {
+			offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;
+			start -= offset;
+			end += offset;
+		}
+		me._startValue = start;
+		me._endValue = end;
+		me._valueRange = end - start;
+	}
+});
+
+var defaultConfig$1 = {
+	position: 'left',
+	ticks: {
+		callback: core_ticks.formatters.linear
+	}
+};
+
+var DEFAULT_MIN = 0;
+var DEFAULT_MAX = 1;
+
+function getOrCreateStack(stacks, stacked, meta) {
+	var key = [
+		meta.type,
+		// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined
+		stacked === undefined && meta.stack === undefined ? meta.index : '',
+		meta.stack
+	].join('.');
+
+	if (stacks[key] === undefined) {
+		stacks[key] = {
+			pos: [],
+			neg: []
+		};
+	}
+
+	return stacks[key];
+}
+
+function stackData(scale, stacks, meta, data) {
+	var opts = scale.options;
+	var stacked = opts.stacked;
+	var stack = getOrCreateStack(stacks, stacked, meta);
+	var pos = stack.pos;
+	var neg = stack.neg;
+	var ilen = data.length;
+	var i, value;
+
+	for (i = 0; i < ilen; ++i) {
+		value = scale._parseValue(data[i]);
+		if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) {
+			continue;
+		}
+
+		pos[i] = pos[i] || 0;
+		neg[i] = neg[i] || 0;
+
+		if (opts.relativePoints) {
+			pos[i] = 100;
+		} else if (value.min < 0 || value.max < 0) {
+			neg[i] += value.min;
+		} else {
+			pos[i] += value.max;
+		}
+	}
+}
+
+function updateMinMax(scale, meta, data) {
+	var ilen = data.length;
+	var i, value;
+
+	for (i = 0; i < ilen; ++i) {
+		value = scale._parseValue(data[i]);
+		if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) {
+			continue;
+		}
+
+		scale.min = Math.min(scale.min, value.min);
+		scale.max = Math.max(scale.max, value.max);
+	}
+}
+
+var scale_linear = scale_linearbase.extend({
+	determineDataLimits: function() {
+		var me = this;
+		var opts = me.options;
+		var chart = me.chart;
+		var datasets = chart.data.datasets;
+		var metasets = me._getMatchingVisibleMetas();
+		var hasStacks = opts.stacked;
+		var stacks = {};
+		var ilen = metasets.length;
+		var i, meta, data, values;
+
+		me.min = Number.POSITIVE_INFINITY;
+		me.max = Number.NEGATIVE_INFINITY;
+
+		if (hasStacks === undefined) {
+			for (i = 0; !hasStacks && i < ilen; ++i) {
+				meta = metasets[i];
+				hasStacks = meta.stack !== undefined;
+			}
+		}
+
+		for (i = 0; i < ilen; ++i) {
+			meta = metasets[i];
+			data = datasets[meta.index].data;
+			if (hasStacks) {
+				stackData(me, stacks, meta, data);
+			} else {
+				updateMinMax(me, meta, data);
+			}
+		}
+
+		helpers$1.each(stacks, function(stackValues) {
+			values = stackValues.pos.concat(stackValues.neg);
+			me.min = Math.min(me.min, helpers$1.min(values));
+			me.max = Math.max(me.max, helpers$1.max(values));
+		});
+
+		me.min = helpers$1.isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;
+		me.max = helpers$1.isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;
+
+		// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
+		me.handleTickRangeOptions();
+	},
+
+	// Returns the maximum number of ticks based on the scale dimension
+	_computeTickLimit: function() {
+		var me = this;
+		var tickFont;
+
+		if (me.isHorizontal()) {
+			return Math.ceil(me.width / 40);
+		}
+		tickFont = helpers$1.options._parseFont(me.options.ticks);
+		return Math.ceil(me.height / tickFont.lineHeight);
+	},
+
+	// Called after the ticks are built. We need
+	handleDirectionalChanges: function() {
+		if (!this.isHorizontal()) {
+			// We are in a vertical orientation. The top value is the highest. So reverse the array
+			this.ticks.reverse();
+		}
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		return this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]);
+	},
+
+	// Utils
+	getPixelForValue: function(value) {
+		var me = this;
+		return me.getPixelForDecimal((+me.getRightValue(value) - me._startValue) / me._valueRange);
+	},
+
+	getValueForPixel: function(pixel) {
+		return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.ticksAsNumbers;
+		if (index < 0 || index > ticks.length - 1) {
+			return null;
+		}
+		return this.getPixelForValue(ticks[index]);
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$1 = defaultConfig$1;
+scale_linear._defaults = _defaults$1;
+
+var valueOrDefault$b = helpers$1.valueOrDefault;
+var log10 = helpers$1.math.log10;
+
+/**
+ * Generate a set of logarithmic ticks
+ * @param generationOptions the options used to generate the ticks
+ * @param dataRange the range of the data
+ * @returns {number[]} array of tick values
+ */
+function generateTicks$1(generationOptions, dataRange) {
+	var ticks = [];
+
+	var tickVal = valueOrDefault$b(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));
+
+	var endExp = Math.floor(log10(dataRange.max));
+	var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));
+	var exp, significand;
+
+	if (tickVal === 0) {
+		exp = Math.floor(log10(dataRange.minNotZero));
+		significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));
+
+		ticks.push(tickVal);
+		tickVal = significand * Math.pow(10, exp);
+	} else {
+		exp = Math.floor(log10(tickVal));
+		significand = Math.floor(tickVal / Math.pow(10, exp));
+	}
+	var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;
+
+	do {
+		ticks.push(tickVal);
+
+		++significand;
+		if (significand === 10) {
+			significand = 1;
+			++exp;
+			precision = exp >= 0 ? 1 : precision;
+		}
+
+		tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;
+	} while (exp < endExp || (exp === endExp && significand < endSignificand));
+
+	var lastTick = valueOrDefault$b(generationOptions.max, tickVal);
+	ticks.push(lastTick);
+
+	return ticks;
+}
+
+var defaultConfig$2 = {
+	position: 'left',
+
+	// label settings
+	ticks: {
+		callback: core_ticks.formatters.logarithmic
+	}
+};
+
+// TODO(v3): change this to positiveOrDefault
+function nonNegativeOrDefault(value, defaultValue) {
+	return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue;
+}
+
+var scale_logarithmic = core_scale.extend({
+	determineDataLimits: function() {
+		var me = this;
+		var opts = me.options;
+		var chart = me.chart;
+		var datasets = chart.data.datasets;
+		var isHorizontal = me.isHorizontal();
+		function IDMatches(meta) {
+			return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;
+		}
+		var datasetIndex, meta, value, data, i, ilen;
+
+		// Calculate Range
+		me.min = Number.POSITIVE_INFINITY;
+		me.max = Number.NEGATIVE_INFINITY;
+		me.minNotZero = Number.POSITIVE_INFINITY;
+
+		var hasStacks = opts.stacked;
+		if (hasStacks === undefined) {
+			for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {
+				meta = chart.getDatasetMeta(datasetIndex);
+				if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&
+					meta.stack !== undefined) {
+					hasStacks = true;
+					break;
+				}
+			}
+		}
+
+		if (opts.stacked || hasStacks) {
+			var valuesPerStack = {};
+
+			for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {
+				meta = chart.getDatasetMeta(datasetIndex);
+				var key = [
+					meta.type,
+					// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined
+					((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),
+					meta.stack
+				].join('.');
+
+				if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
+					if (valuesPerStack[key] === undefined) {
+						valuesPerStack[key] = [];
+					}
+
+					data = datasets[datasetIndex].data;
+					for (i = 0, ilen = data.length; i < ilen; i++) {
+						var values = valuesPerStack[key];
+						value = me._parseValue(data[i]);
+						// invalid, hidden and negative values are ignored
+						if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) {
+							continue;
+						}
+						values[i] = values[i] || 0;
+						values[i] += value.max;
+					}
+				}
+			}
+
+			helpers$1.each(valuesPerStack, function(valuesForType) {
+				if (valuesForType.length > 0) {
+					var minVal = helpers$1.min(valuesForType);
+					var maxVal = helpers$1.max(valuesForType);
+					me.min = Math.min(me.min, minVal);
+					me.max = Math.max(me.max, maxVal);
+				}
+			});
+
+		} else {
+			for (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {
+				meta = chart.getDatasetMeta(datasetIndex);
+				if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
+					data = datasets[datasetIndex].data;
+					for (i = 0, ilen = data.length; i < ilen; i++) {
+						value = me._parseValue(data[i]);
+						// invalid, hidden and negative values are ignored
+						if (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) {
+							continue;
+						}
+
+						me.min = Math.min(value.min, me.min);
+						me.max = Math.max(value.max, me.max);
+
+						if (value.min !== 0) {
+							me.minNotZero = Math.min(value.min, me.minNotZero);
+						}
+					}
+				}
+			}
+		}
+
+		me.min = helpers$1.isFinite(me.min) ? me.min : null;
+		me.max = helpers$1.isFinite(me.max) ? me.max : null;
+		me.minNotZero = helpers$1.isFinite(me.minNotZero) ? me.minNotZero : null;
+
+		// Common base implementation to handle ticks.min, ticks.max
+		this.handleTickRangeOptions();
+	},
+
+	handleTickRangeOptions: function() {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var DEFAULT_MIN = 1;
+		var DEFAULT_MAX = 10;
+
+		me.min = nonNegativeOrDefault(tickOpts.min, me.min);
+		me.max = nonNegativeOrDefault(tickOpts.max, me.max);
+
+		if (me.min === me.max) {
+			if (me.min !== 0 && me.min !== null) {
+				me.min = Math.pow(10, Math.floor(log10(me.min)) - 1);
+				me.max = Math.pow(10, Math.floor(log10(me.max)) + 1);
+			} else {
+				me.min = DEFAULT_MIN;
+				me.max = DEFAULT_MAX;
+			}
+		}
+		if (me.min === null) {
+			me.min = Math.pow(10, Math.floor(log10(me.max)) - 1);
+		}
+		if (me.max === null) {
+			me.max = me.min !== 0
+				? Math.pow(10, Math.floor(log10(me.min)) + 1)
+				: DEFAULT_MAX;
+		}
+		if (me.minNotZero === null) {
+			if (me.min > 0) {
+				me.minNotZero = me.min;
+			} else if (me.max < 1) {
+				me.minNotZero = Math.pow(10, Math.floor(log10(me.max)));
+			} else {
+				me.minNotZero = DEFAULT_MIN;
+			}
+		}
+	},
+
+	buildTicks: function() {
+		var me = this;
+		var tickOpts = me.options.ticks;
+		var reverse = !me.isHorizontal();
+
+		var generationOptions = {
+			min: nonNegativeOrDefault(tickOpts.min),
+			max: nonNegativeOrDefault(tickOpts.max)
+		};
+		var ticks = me.ticks = generateTicks$1(generationOptions, me);
+
+		// At this point, we need to update our max and min given the tick values since we have expanded the
+		// range of the scale
+		me.max = helpers$1.max(ticks);
+		me.min = helpers$1.min(ticks);
+
+		if (tickOpts.reverse) {
+			reverse = !reverse;
+			me.start = me.max;
+			me.end = me.min;
+		} else {
+			me.start = me.min;
+			me.end = me.max;
+		}
+		if (reverse) {
+			ticks.reverse();
+		}
+	},
+
+	convertTicksToLabels: function() {
+		this.tickValues = this.ticks.slice();
+
+		core_scale.prototype.convertTicksToLabels.call(this);
+	},
+
+	// Get the correct tooltip label
+	getLabelForIndex: function(index, datasetIndex) {
+		return this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]);
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.tickValues;
+		if (index < 0 || index > ticks.length - 1) {
+			return null;
+		}
+		return this.getPixelForValue(ticks[index]);
+	},
+
+	/**
+	 * Returns the value of the first tick.
+	 * @param {number} value - The minimum not zero value.
+	 * @return {number} The first tick value.
+	 * @private
+	 */
+	_getFirstTickValue: function(value) {
+		var exp = Math.floor(log10(value));
+		var significand = Math.floor(value / Math.pow(10, exp));
+
+		return significand * Math.pow(10, exp);
+	},
+
+	_configure: function() {
+		var me = this;
+		var start = me.min;
+		var offset = 0;
+
+		core_scale.prototype._configure.call(me);
+
+		if (start === 0) {
+			start = me._getFirstTickValue(me.minNotZero);
+			offset = valueOrDefault$b(me.options.ticks.fontSize, core_defaults.global.defaultFontSize) / me._length;
+		}
+
+		me._startValue = log10(start);
+		me._valueOffset = offset;
+		me._valueRange = (log10(me.max) - log10(start)) / (1 - offset);
+	},
+
+	getPixelForValue: function(value) {
+		var me = this;
+		var decimal = 0;
+
+		value = +me.getRightValue(value);
+
+		if (value > me.min && value > 0) {
+			decimal = (log10(value) - me._startValue) / me._valueRange + me._valueOffset;
+		}
+		return me.getPixelForDecimal(decimal);
+	},
+
+	getValueForPixel: function(pixel) {
+		var me = this;
+		var decimal = me.getDecimalForPixel(pixel);
+		return decimal === 0 && me.min === 0
+			? 0
+			: Math.pow(10, me._startValue + (decimal - me._valueOffset) * me._valueRange);
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$2 = defaultConfig$2;
+scale_logarithmic._defaults = _defaults$2;
+
+var valueOrDefault$c = helpers$1.valueOrDefault;
+var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault;
+var resolve$4 = helpers$1.options.resolve;
+
+var defaultConfig$3 = {
+	display: true,
+
+	// Boolean - Whether to animate scaling the chart from the centre
+	animate: true,
+	position: 'chartArea',
+
+	angleLines: {
+		display: true,
+		color: 'rgba(0,0,0,0.1)',
+		lineWidth: 1,
+		borderDash: [],
+		borderDashOffset: 0.0
+	},
+
+	gridLines: {
+		circular: false
+	},
+
+	// label settings
+	ticks: {
+		// Boolean - Show a backdrop to the scale label
+		showLabelBackdrop: true,
+
+		// String - The colour of the label backdrop
+		backdropColor: 'rgba(255,255,255,0.75)',
+
+		// Number - The backdrop padding above & below the label in pixels
+		backdropPaddingY: 2,
+
+		// Number - The backdrop padding to the side of the label in pixels
+		backdropPaddingX: 2,
+
+		callback: core_ticks.formatters.linear
+	},
+
+	pointLabels: {
+		// Boolean - if true, show point labels
+		display: true,
+
+		// Number - Point label font size in pixels
+		fontSize: 10,
+
+		// Function - Used to convert point labels
+		callback: function(label) {
+			return label;
+		}
+	}
+};
+
+function getTickBackdropHeight(opts) {
+	var tickOpts = opts.ticks;
+
+	if (tickOpts.display && opts.display) {
+		return valueOrDefault$c(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2;
+	}
+	return 0;
+}
+
+function measureLabelSize(ctx, lineHeight, label) {
+	if (helpers$1.isArray(label)) {
+		return {
+			w: helpers$1.longestText(ctx, ctx.font, label),
+			h: label.length * lineHeight
+		};
+	}
+
+	return {
+		w: ctx.measureText(label).width,
+		h: lineHeight
+	};
+}
+
+function determineLimits(angle, pos, size, min, max) {
+	if (angle === min || angle === max) {
+		return {
+			start: pos - (size / 2),
+			end: pos + (size / 2)
+		};
+	} else if (angle < min || angle > max) {
+		return {
+			start: pos - size,
+			end: pos
+		};
+	}
+
+	return {
+		start: pos,
+		end: pos + size
+	};
+}
+
+/**
+ * Helper function to fit a radial linear scale with point labels
+ */
+function fitWithPointLabels(scale) {
+
+	// Right, this is really confusing and there is a lot of maths going on here
+	// The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9
+	//
+	// Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif
+	//
+	// Solution:
+	//
+	// We assume the radius of the polygon is half the size of the canvas at first
+	// at each index we check if the text overlaps.
+	//
+	// Where it does, we store that angle and that index.
+	//
+	// After finding the largest index and angle we calculate how much we need to remove
+	// from the shape radius to move the point inwards by that x.
+	//
+	// We average the left and right distances to get the maximum shape radius that can fit in the box
+	// along with labels.
+	//
+	// Once we have that, we can find the centre point for the chart, by taking the x text protrusion
+	// on each side, removing that from the size, halving it and adding the left x protrusion width.
+	//
+	// This will mean we have a shape fitted to the canvas, as large as it can be with the labels
+	// and position it in the most space efficient manner
+	//
+	// https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif
+
+	var plFont = helpers$1.options._parseFont(scale.options.pointLabels);
+
+	// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
+	// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
+	var furthestLimits = {
+		l: 0,
+		r: scale.width,
+		t: 0,
+		b: scale.height - scale.paddingTop
+	};
+	var furthestAngles = {};
+	var i, textSize, pointPosition;
+
+	scale.ctx.font = plFont.string;
+	scale._pointLabelSizes = [];
+
+	var valueCount = scale.chart.data.labels.length;
+	for (i = 0; i < valueCount; i++) {
+		pointPosition = scale.getPointPosition(i, scale.drawingArea + 5);
+		textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i]);
+		scale._pointLabelSizes[i] = textSize;
+
+		// Add quarter circle to make degree 0 mean top of circle
+		var angleRadians = scale.getIndexAngle(i);
+		var angle = helpers$1.toDegrees(angleRadians) % 360;
+		var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);
+		var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);
+
+		if (hLimits.start < furthestLimits.l) {
+			furthestLimits.l = hLimits.start;
+			furthestAngles.l = angleRadians;
+		}
+
+		if (hLimits.end > furthestLimits.r) {
+			furthestLimits.r = hLimits.end;
+			furthestAngles.r = angleRadians;
+		}
+
+		if (vLimits.start < furthestLimits.t) {
+			furthestLimits.t = vLimits.start;
+			furthestAngles.t = angleRadians;
+		}
+
+		if (vLimits.end > furthestLimits.b) {
+			furthestLimits.b = vLimits.end;
+			furthestAngles.b = angleRadians;
+		}
+	}
+
+	scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles);
+}
+
+function getTextAlignForAngle(angle) {
+	if (angle === 0 || angle === 180) {
+		return 'center';
+	} else if (angle < 180) {
+		return 'left';
+	}
+
+	return 'right';
+}
+
+function fillText(ctx, text, position, lineHeight) {
+	var y = position.y + lineHeight / 2;
+	var i, ilen;
+
+	if (helpers$1.isArray(text)) {
+		for (i = 0, ilen = text.length; i < ilen; ++i) {
+			ctx.fillText(text[i], position.x, y);
+			y += lineHeight;
+		}
+	} else {
+		ctx.fillText(text, position.x, y);
+	}
+}
+
+function adjustPointPositionForLabelHeight(angle, textSize, position) {
+	if (angle === 90 || angle === 270) {
+		position.y -= (textSize.h / 2);
+	} else if (angle > 270 || angle < 90) {
+		position.y -= textSize.h;
+	}
+}
+
+function drawPointLabels(scale) {
+	var ctx = scale.ctx;
+	var opts = scale.options;
+	var pointLabelOpts = opts.pointLabels;
+	var tickBackdropHeight = getTickBackdropHeight(opts);
+	var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);
+	var plFont = helpers$1.options._parseFont(pointLabelOpts);
+
+	ctx.save();
+
+	ctx.font = plFont.string;
+	ctx.textBaseline = 'middle';
+
+	for (var i = scale.chart.data.labels.length - 1; i >= 0; i--) {
+		// Extra pixels out for some label spacing
+		var extra = (i === 0 ? tickBackdropHeight / 2 : 0);
+		var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5);
+
+		// Keep this in loop since we may support array properties here
+		var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor);
+		ctx.fillStyle = pointLabelFontColor;
+
+		var angleRadians = scale.getIndexAngle(i);
+		var angle = helpers$1.toDegrees(angleRadians);
+		ctx.textAlign = getTextAlignForAngle(angle);
+		adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);
+		fillText(ctx, scale.pointLabels[i], pointLabelPosition, plFont.lineHeight);
+	}
+	ctx.restore();
+}
+
+function drawRadiusLine(scale, gridLineOpts, radius, index) {
+	var ctx = scale.ctx;
+	var circular = gridLineOpts.circular;
+	var valueCount = scale.chart.data.labels.length;
+	var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1);
+	var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1);
+	var pointPosition;
+
+	if ((!circular && !valueCount) || !lineColor || !lineWidth) {
+		return;
+	}
+
+	ctx.save();
+	ctx.strokeStyle = lineColor;
+	ctx.lineWidth = lineWidth;
+	if (ctx.setLineDash) {
+		ctx.setLineDash(gridLineOpts.borderDash || []);
+		ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0;
+	}
+
+	ctx.beginPath();
+	if (circular) {
+		// Draw circular arcs between the points
+		ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);
+	} else {
+		// Draw straight lines connecting each index
+		pointPosition = scale.getPointPosition(0, radius);
+		ctx.moveTo(pointPosition.x, pointPosition.y);
+
+		for (var i = 1; i < valueCount; i++) {
+			pointPosition = scale.getPointPosition(i, radius);
+			ctx.lineTo(pointPosition.x, pointPosition.y);
+		}
+	}
+	ctx.closePath();
+	ctx.stroke();
+	ctx.restore();
+}
+
+function numberOrZero(param) {
+	return helpers$1.isNumber(param) ? param : 0;
+}
+
+var scale_radialLinear = scale_linearbase.extend({
+	setDimensions: function() {
+		var me = this;
+
+		// Set the unconstrained dimension before label rotation
+		me.width = me.maxWidth;
+		me.height = me.maxHeight;
+		me.paddingTop = getTickBackdropHeight(me.options) / 2;
+		me.xCenter = Math.floor(me.width / 2);
+		me.yCenter = Math.floor((me.height - me.paddingTop) / 2);
+		me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2;
+	},
+
+	determineDataLimits: function() {
+		var me = this;
+		var chart = me.chart;
+		var min = Number.POSITIVE_INFINITY;
+		var max = Number.NEGATIVE_INFINITY;
+
+		helpers$1.each(chart.data.datasets, function(dataset, datasetIndex) {
+			if (chart.isDatasetVisible(datasetIndex)) {
+				var meta = chart.getDatasetMeta(datasetIndex);
+
+				helpers$1.each(dataset.data, function(rawValue, index) {
+					var value = +me.getRightValue(rawValue);
+					if (isNaN(value) || meta.data[index].hidden) {
+						return;
+					}
+
+					min = Math.min(value, min);
+					max = Math.max(value, max);
+				});
+			}
+		});
+
+		me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);
+		me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);
+
+		// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
+		me.handleTickRangeOptions();
+	},
+
+	// Returns the maximum number of ticks based on the scale dimension
+	_computeTickLimit: function() {
+		return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));
+	},
+
+	convertTicksToLabels: function() {
+		var me = this;
+
+		scale_linearbase.prototype.convertTicksToLabels.call(me);
+
+		// Point labels
+		me.pointLabels = me.chart.data.labels.map(function() {
+			var label = helpers$1.callback(me.options.pointLabels.callback, arguments, me);
+			return label || label === 0 ? label : '';
+		});
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
+	},
+
+	fit: function() {
+		var me = this;
+		var opts = me.options;
+
+		if (opts.display && opts.pointLabels.display) {
+			fitWithPointLabels(me);
+		} else {
+			me.setCenterPoint(0, 0, 0, 0);
+		}
+	},
+
+	/**
+	 * Set radius reductions and determine new radius and center point
+	 * @private
+	 */
+	setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {
+		var me = this;
+		var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);
+		var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);
+		var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);
+		var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b);
+
+		radiusReductionLeft = numberOrZero(radiusReductionLeft);
+		radiusReductionRight = numberOrZero(radiusReductionRight);
+		radiusReductionTop = numberOrZero(radiusReductionTop);
+		radiusReductionBottom = numberOrZero(radiusReductionBottom);
+
+		me.drawingArea = Math.min(
+			Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),
+			Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));
+		me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);
+	},
+
+	setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {
+		var me = this;
+		var maxRight = me.width - rightMovement - me.drawingArea;
+		var maxLeft = leftMovement + me.drawingArea;
+		var maxTop = topMovement + me.drawingArea;
+		var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea;
+
+		me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left);
+		me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop);
+	},
+
+	getIndexAngle: function(index) {
+		var chart = this.chart;
+		var angleMultiplier = 360 / chart.data.labels.length;
+		var options = chart.options || {};
+		var startAngle = options.startAngle || 0;
+
+		// Start from the top instead of right, so remove a quarter of the circle
+		var angle = (index * angleMultiplier + startAngle) % 360;
+
+		return (angle < 0 ? angle + 360 : angle) * Math.PI * 2 / 360;
+	},
+
+	getDistanceFromCenterForValue: function(value) {
+		var me = this;
+
+		if (helpers$1.isNullOrUndef(value)) {
+			return NaN;
+		}
+
+		// Take into account half font size + the yPadding of the top value
+		var scalingFactor = me.drawingArea / (me.max - me.min);
+		if (me.options.ticks.reverse) {
+			return (me.max - value) * scalingFactor;
+		}
+		return (value - me.min) * scalingFactor;
+	},
+
+	getPointPosition: function(index, distanceFromCenter) {
+		var me = this;
+		var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);
+		return {
+			x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter,
+			y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter
+		};
+	},
+
+	getPointPositionForValue: function(index, value) {
+		return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
+	},
+
+	getBasePosition: function(index) {
+		var me = this;
+		var min = me.min;
+		var max = me.max;
+
+		return me.getPointPositionForValue(index || 0,
+			me.beginAtZero ? 0 :
+			min < 0 && max < 0 ? max :
+			min > 0 && max > 0 ? min :
+			0);
+	},
+
+	/**
+	 * @private
+	 */
+	_drawGrid: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var opts = me.options;
+		var gridLineOpts = opts.gridLines;
+		var angleLineOpts = opts.angleLines;
+		var lineWidth = valueOrDefault$c(angleLineOpts.lineWidth, gridLineOpts.lineWidth);
+		var lineColor = valueOrDefault$c(angleLineOpts.color, gridLineOpts.color);
+		var i, offset, position;
+
+		if (opts.pointLabels.display) {
+			drawPointLabels(me);
+		}
+
+		if (gridLineOpts.display) {
+			helpers$1.each(me.ticks, function(label, index) {
+				if (index !== 0) {
+					offset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);
+					drawRadiusLine(me, gridLineOpts, offset, index);
+				}
+			});
+		}
+
+		if (angleLineOpts.display && lineWidth && lineColor) {
+			ctx.save();
+			ctx.lineWidth = lineWidth;
+			ctx.strokeStyle = lineColor;
+			if (ctx.setLineDash) {
+				ctx.setLineDash(resolve$4([angleLineOpts.borderDash, gridLineOpts.borderDash, []]));
+				ctx.lineDashOffset = resolve$4([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]);
+			}
+
+			for (i = me.chart.data.labels.length - 1; i >= 0; i--) {
+				offset = me.getDistanceFromCenterForValue(opts.ticks.reverse ? me.min : me.max);
+				position = me.getPointPosition(i, offset);
+				ctx.beginPath();
+				ctx.moveTo(me.xCenter, me.yCenter);
+				ctx.lineTo(position.x, position.y);
+				ctx.stroke();
+			}
+
+			ctx.restore();
+		}
+	},
+
+	/**
+	 * @private
+	 */
+	_drawLabels: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var opts = me.options;
+		var tickOpts = opts.ticks;
+
+		if (!tickOpts.display) {
+			return;
+		}
+
+		var startAngle = me.getIndexAngle(0);
+		var tickFont = helpers$1.options._parseFont(tickOpts);
+		var tickFontColor = valueOrDefault$c(tickOpts.fontColor, core_defaults.global.defaultFontColor);
+		var offset, width;
+
+		ctx.save();
+		ctx.font = tickFont.string;
+		ctx.translate(me.xCenter, me.yCenter);
+		ctx.rotate(startAngle);
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+
+		helpers$1.each(me.ticks, function(label, index) {
+			if (index === 0 && !tickOpts.reverse) {
+				return;
+			}
+
+			offset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);
+
+			if (tickOpts.showLabelBackdrop) {
+				width = ctx.measureText(label).width;
+				ctx.fillStyle = tickOpts.backdropColor;
+
+				ctx.fillRect(
+					-width / 2 - tickOpts.backdropPaddingX,
+					-offset - tickFont.size / 2 - tickOpts.backdropPaddingY,
+					width + tickOpts.backdropPaddingX * 2,
+					tickFont.size + tickOpts.backdropPaddingY * 2
+				);
+			}
+
+			ctx.fillStyle = tickFontColor;
+			ctx.fillText(label, 0, -offset);
+		});
+
+		ctx.restore();
+	},
+
+	/**
+	 * @private
+	 */
+	_drawTitle: helpers$1.noop
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$3 = defaultConfig$3;
+scale_radialLinear._defaults = _defaults$3;
+
+var deprecated$1 = helpers$1._deprecated;
+var resolve$5 = helpers$1.options.resolve;
+var valueOrDefault$d = helpers$1.valueOrDefault;
+
+// Integer constants are from the ES6 spec.
+var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;
+var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;
+
+var INTERVALS = {
+	millisecond: {
+		common: true,
+		size: 1,
+		steps: 1000
+	},
+	second: {
+		common: true,
+		size: 1000,
+		steps: 60
+	},
+	minute: {
+		common: true,
+		size: 60000,
+		steps: 60
+	},
+	hour: {
+		common: true,
+		size: 3600000,
+		steps: 24
+	},
+	day: {
+		common: true,
+		size: 86400000,
+		steps: 30
+	},
+	week: {
+		common: false,
+		size: 604800000,
+		steps: 4
+	},
+	month: {
+		common: true,
+		size: 2.628e9,
+		steps: 12
+	},
+	quarter: {
+		common: false,
+		size: 7.884e9,
+		steps: 4
+	},
+	year: {
+		common: true,
+		size: 3.154e10
+	}
+};
+
+var UNITS = Object.keys(INTERVALS);
+
+function sorter(a, b) {
+	return a - b;
+}
+
+function arrayUnique(items) {
+	var hash = {};
+	var out = [];
+	var i, ilen, item;
+
+	for (i = 0, ilen = items.length; i < ilen; ++i) {
+		item = items[i];
+		if (!hash[item]) {
+			hash[item] = true;
+			out.push(item);
+		}
+	}
+
+	return out;
+}
+
+function getMin(options) {
+	return helpers$1.valueOrDefault(options.time.min, options.ticks.min);
+}
+
+function getMax(options) {
+	return helpers$1.valueOrDefault(options.time.max, options.ticks.max);
+}
+
+/**
+ * Returns an array of {time, pos} objects used to interpolate a specific `time` or position
+ * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is
+ * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other
+ * extremity (left + width or top + height). Note that it would be more optimized to directly
+ * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need
+ * to create the lookup table. The table ALWAYS contains at least two items: min and max.
+ *
+ * @param {number[]} timestamps - timestamps sorted from lowest to highest.
+ * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min
+ * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.
+ * If 'series', timestamps will be positioned at the same distance from each other. In this
+ * case, only timestamps that break the time linearity are registered, meaning that in the
+ * best case, all timestamps are linear, the table contains only min and max.
+ */
+function buildLookupTable(timestamps, min, max, distribution) {
+	if (distribution === 'linear' || !timestamps.length) {
+		return [
+			{time: min, pos: 0},
+			{time: max, pos: 1}
+		];
+	}
+
+	var table = [];
+	var items = [min];
+	var i, ilen, prev, curr, next;
+
+	for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
+		curr = timestamps[i];
+		if (curr > min && curr < max) {
+			items.push(curr);
+		}
+	}
+
+	items.push(max);
+
+	for (i = 0, ilen = items.length; i < ilen; ++i) {
+		next = items[i + 1];
+		prev = items[i - 1];
+		curr = items[i];
+
+		// only add points that breaks the scale linearity
+		if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {
+			table.push({time: curr, pos: i / (ilen - 1)});
+		}
+	}
+
+	return table;
+}
+
+// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/
+function lookup(table, key, value) {
+	var lo = 0;
+	var hi = table.length - 1;
+	var mid, i0, i1;
+
+	while (lo >= 0 && lo <= hi) {
+		mid = (lo + hi) >> 1;
+		i0 = table[mid - 1] || null;
+		i1 = table[mid];
+
+		if (!i0) {
+			// given value is outside table (before first item)
+			return {lo: null, hi: i1};
+		} else if (i1[key] < value) {
+			lo = mid + 1;
+		} else if (i0[key] > value) {
+			hi = mid - 1;
+		} else {
+			return {lo: i0, hi: i1};
+		}
+	}
+
+	// given value is outside table (after last item)
+	return {lo: i1, hi: null};
+}
+
+/**
+ * Linearly interpolates the given source `value` using the table items `skey` values and
+ * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')
+ * returns the position for a timestamp equal to 42. If value is out of bounds, values at
+ * index [0, 1] or [n - 1, n] are used for the interpolation.
+ */
+function interpolate$1(table, skey, sval, tkey) {
+	var range = lookup(table, skey, sval);
+
+	// Note: the lookup table ALWAYS contains at least 2 items (min and max)
+	var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;
+	var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;
+
+	var span = next[skey] - prev[skey];
+	var ratio = span ? (sval - prev[skey]) / span : 0;
+	var offset = (next[tkey] - prev[tkey]) * ratio;
+
+	return prev[tkey] + offset;
+}
+
+function toTimestamp(scale, input) {
+	var adapter = scale._adapter;
+	var options = scale.options.time;
+	var parser = options.parser;
+	var format = parser || options.format;
+	var value = input;
+
+	if (typeof parser === 'function') {
+		value = parser(value);
+	}
+
+	// Only parse if its not a timestamp already
+	if (!helpers$1.isFinite(value)) {
+		value = typeof format === 'string'
+			? adapter.parse(value, format)
+			: adapter.parse(value);
+	}
+
+	if (value !== null) {
+		return +value;
+	}
+
+	// Labels are in an incompatible format and no `parser` has been provided.
+	// The user might still use the deprecated `format` option for parsing.
+	if (!parser && typeof format === 'function') {
+		value = format(input);
+
+		// `format` could return something else than a timestamp, if so, parse it
+		if (!helpers$1.isFinite(value)) {
+			value = adapter.parse(value);
+		}
+	}
+
+	return value;
+}
+
+function parse(scale, input) {
+	if (helpers$1.isNullOrUndef(input)) {
+		return null;
+	}
+
+	var options = scale.options.time;
+	var value = toTimestamp(scale, scale.getRightValue(input));
+	if (value === null) {
+		return value;
+	}
+
+	if (options.round) {
+		value = +scale._adapter.startOf(value, options.round);
+	}
+
+	return value;
+}
+
+/**
+ * Figures out what unit results in an appropriate number of auto-generated ticks
+ */
+function determineUnitForAutoTicks(minUnit, min, max, capacity) {
+	var ilen = UNITS.length;
+	var i, interval, factor;
+
+	for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {
+		interval = INTERVALS[UNITS[i]];
+		factor = interval.steps ? interval.steps : MAX_INTEGER;
+
+		if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {
+			return UNITS[i];
+		}
+	}
+
+	return UNITS[ilen - 1];
+}
+
+/**
+ * Figures out what unit to format a set of ticks with
+ */
+function determineUnitForFormatting(scale, numTicks, minUnit, min, max) {
+	var i, unit;
+
+	for (i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {
+		unit = UNITS[i];
+		if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {
+			return unit;
+		}
+	}
+
+	return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];
+}
+
+function determineMajorUnit(unit) {
+	for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {
+		if (INTERVALS[UNITS[i]].common) {
+			return UNITS[i];
+		}
+	}
+}
+
+/**
+ * Generates a maximum of `capacity` timestamps between min and max, rounded to the
+ * `minor` unit using the given scale time `options`.
+ * Important: this method can return ticks outside the min and max range, it's the
+ * responsibility of the calling code to clamp values if needed.
+ */
+function generate(scale, min, max, capacity) {
+	var adapter = scale._adapter;
+	var options = scale.options;
+	var timeOpts = options.time;
+	var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity);
+	var stepSize = resolve$5([timeOpts.stepSize, timeOpts.unitStepSize, 1]);
+	var weekday = minor === 'week' ? timeOpts.isoWeekday : false;
+	var first = min;
+	var ticks = [];
+	var time;
+
+	// For 'week' unit, handle the first day of week option
+	if (weekday) {
+		first = +adapter.startOf(first, 'isoWeek', weekday);
+	}
+
+	// Align first ticks on unit
+	first = +adapter.startOf(first, weekday ? 'day' : minor);
+
+	// Prevent browser from freezing in case user options request millions of milliseconds
+	if (adapter.diff(max, min, minor) > 100000 * stepSize) {
+		throw min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor;
+	}
+
+	for (time = first; time < max; time = +adapter.add(time, stepSize, minor)) {
+		ticks.push(time);
+	}
+
+	if (time === max || options.bounds === 'ticks') {
+		ticks.push(time);
+	}
+
+	return ticks;
+}
+
+/**
+ * Returns the start and end offsets from edges in the form of {start, end}
+ * where each value is a relative width to the scale and ranges between 0 and 1.
+ * They add extra margins on the both sides by scaling down the original scale.
+ * Offsets are added when the `offset` option is true.
+ */
+function computeOffsets(table, ticks, min, max, options) {
+	var start = 0;
+	var end = 0;
+	var first, last;
+
+	if (options.offset && ticks.length) {
+		first = interpolate$1(table, 'time', ticks[0], 'pos');
+		if (ticks.length === 1) {
+			start = 1 - first;
+		} else {
+			start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2;
+		}
+		last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos');
+		if (ticks.length === 1) {
+			end = last;
+		} else {
+			end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2;
+		}
+	}
+
+	return {start: start, end: end, factor: 1 / (start + 1 + end)};
+}
+
+function setMajorTicks(scale, ticks, map, majorUnit) {
+	var adapter = scale._adapter;
+	var first = +adapter.startOf(ticks[0].value, majorUnit);
+	var last = ticks[ticks.length - 1].value;
+	var major, index;
+
+	for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {
+		index = map[major];
+		if (index >= 0) {
+			ticks[index].major = true;
+		}
+	}
+	return ticks;
+}
+
+function ticksFromTimestamps(scale, values, majorUnit) {
+	var ticks = [];
+	var map = {};
+	var ilen = values.length;
+	var i, value;
+
+	for (i = 0; i < ilen; ++i) {
+		value = values[i];
+		map[value] = i;
+
+		ticks.push({
+			value: value,
+			major: false
+		});
+	}
+
+	// We set the major ticks separately from the above loop because calling startOf for every tick
+	// is expensive when there is a large number of ticks
+	return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit);
+}
+
+var defaultConfig$4 = {
+	position: 'bottom',
+
+	/**
+	 * Data distribution along the scale:
+	 * - 'linear': data are spread according to their time (distances can vary),
+	 * - 'series': data are spread at the same distance from each other.
+	 * @see https://github.com/chartjs/Chart.js/pull/4507
+	 * @since 2.7.0
+	 */
+	distribution: 'linear',
+
+	/**
+	 * Scale boundary strategy (bypassed by min/max time options)
+	 * - `data`: make sure data are fully visible, ticks outside are removed
+	 * - `ticks`: make sure ticks are fully visible, data outside are truncated
+	 * @see https://github.com/chartjs/Chart.js/pull/4556
+	 * @since 2.7.0
+	 */
+	bounds: 'data',
+
+	adapters: {},
+	time: {
+		parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment
+		unit: false, // false == automatic or override with week, month, year, etc.
+		round: false, // none, or override with week, month, year, etc.
+		displayFormat: false, // DEPRECATED
+		isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/
+		minUnit: 'millisecond',
+		displayFormats: {}
+	},
+	ticks: {
+		autoSkip: false,
+
+		/**
+		 * Ticks generation input values:
+		 * - 'auto': generates "optimal" ticks based on scale size and time options.
+		 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).
+		 * - 'labels': generates ticks from user given `data.labels` values ONLY.
+		 * @see https://github.com/chartjs/Chart.js/pull/4507
+		 * @since 2.7.0
+		 */
+		source: 'auto',
+
+		major: {
+			enabled: false
+		}
+	}
+};
+
+var scale_time = core_scale.extend({
+	initialize: function() {
+		this.mergeTicksOptions();
+		core_scale.prototype.initialize.call(this);
+	},
+
+	update: function() {
+		var me = this;
+		var options = me.options;
+		var time = options.time || (options.time = {});
+		var adapter = me._adapter = new core_adapters._date(options.adapters.date);
+
+		// DEPRECATIONS: output a message only one time per update
+		deprecated$1('time scale', time.format, 'time.format', 'time.parser');
+		deprecated$1('time scale', time.min, 'time.min', 'ticks.min');
+		deprecated$1('time scale', time.max, 'time.max', 'ticks.max');
+
+		// Backward compatibility: before introducing adapter, `displayFormats` was
+		// supposed to contain *all* unit/string pairs but this can't be resolved
+		// when loading the scale (adapters are loaded afterward), so let's populate
+		// missing formats on update
+		helpers$1.mergeIf(time.displayFormats, adapter.formats());
+
+		return core_scale.prototype.update.apply(me, arguments);
+	},
+
+	/**
+	 * Allows data to be referenced via 't' attribute
+	 */
+	getRightValue: function(rawValue) {
+		if (rawValue && rawValue.t !== undefined) {
+			rawValue = rawValue.t;
+		}
+		return core_scale.prototype.getRightValue.call(this, rawValue);
+	},
+
+	determineDataLimits: function() {
+		var me = this;
+		var chart = me.chart;
+		var adapter = me._adapter;
+		var options = me.options;
+		var unit = options.time.unit || 'day';
+		var min = MAX_INTEGER;
+		var max = MIN_INTEGER;
+		var timestamps = [];
+		var datasets = [];
+		var labels = [];
+		var i, j, ilen, jlen, data, timestamp, labelsAdded;
+		var dataLabels = me._getLabels();
+
+		for (i = 0, ilen = dataLabels.length; i < ilen; ++i) {
+			labels.push(parse(me, dataLabels[i]));
+		}
+
+		for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+			if (chart.isDatasetVisible(i)) {
+				data = chart.data.datasets[i].data;
+
+				// Let's consider that all data have the same format.
+				if (helpers$1.isObject(data[0])) {
+					datasets[i] = [];
+
+					for (j = 0, jlen = data.length; j < jlen; ++j) {
+						timestamp = parse(me, data[j]);
+						timestamps.push(timestamp);
+						datasets[i][j] = timestamp;
+					}
+				} else {
+					datasets[i] = labels.slice(0);
+					if (!labelsAdded) {
+						timestamps = timestamps.concat(labels);
+						labelsAdded = true;
+					}
+				}
+			} else {
+				datasets[i] = [];
+			}
+		}
+
+		if (labels.length) {
+			min = Math.min(min, labels[0]);
+			max = Math.max(max, labels[labels.length - 1]);
+		}
+
+		if (timestamps.length) {
+			timestamps = ilen > 1 ? arrayUnique(timestamps).sort(sorter) : timestamps.sort(sorter);
+			min = Math.min(min, timestamps[0]);
+			max = Math.max(max, timestamps[timestamps.length - 1]);
+		}
+
+		min = parse(me, getMin(options)) || min;
+		max = parse(me, getMax(options)) || max;
+
+		// In case there is no valid min/max, set limits based on unit time option
+		min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min;
+		max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max;
+
+		// Make sure that max is strictly higher than min (required by the lookup table)
+		me.min = Math.min(min, max);
+		me.max = Math.max(min + 1, max);
+
+		// PRIVATE
+		me._table = [];
+		me._timestamps = {
+			data: timestamps,
+			datasets: datasets,
+			labels: labels
+		};
+	},
+
+	buildTicks: function() {
+		var me = this;
+		var min = me.min;
+		var max = me.max;
+		var options = me.options;
+		var tickOpts = options.ticks;
+		var timeOpts = options.time;
+		var timestamps = me._timestamps;
+		var ticks = [];
+		var capacity = me.getLabelCapacity(min);
+		var source = tickOpts.source;
+		var distribution = options.distribution;
+		var i, ilen, timestamp;
+
+		if (source === 'data' || (source === 'auto' && distribution === 'series')) {
+			timestamps = timestamps.data;
+		} else if (source === 'labels') {
+			timestamps = timestamps.labels;
+		} else {
+			timestamps = generate(me, min, max, capacity);
+		}
+
+		if (options.bounds === 'ticks' && timestamps.length) {
+			min = timestamps[0];
+			max = timestamps[timestamps.length - 1];
+		}
+
+		// Enforce limits with user min/max options
+		min = parse(me, getMin(options)) || min;
+		max = parse(me, getMax(options)) || max;
+
+		// Remove ticks outside the min/max range
+		for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
+			timestamp = timestamps[i];
+			if (timestamp >= min && timestamp <= max) {
+				ticks.push(timestamp);
+			}
+		}
+
+		me.min = min;
+		me.max = max;
+
+		// PRIVATE
+		// determineUnitForFormatting relies on the number of ticks so we don't use it when
+		// autoSkip is enabled because we don't yet know what the final number of ticks will be
+		me._unit = timeOpts.unit || (tickOpts.autoSkip
+			? determineUnitForAutoTicks(timeOpts.minUnit, me.min, me.max, capacity)
+			: determineUnitForFormatting(me, ticks.length, timeOpts.minUnit, me.min, me.max));
+		me._majorUnit = !tickOpts.major.enabled || me._unit === 'year' ? undefined
+			: determineMajorUnit(me._unit);
+		me._table = buildLookupTable(me._timestamps.data, min, max, distribution);
+		me._offsets = computeOffsets(me._table, ticks, min, max, options);
+
+		if (tickOpts.reverse) {
+			ticks.reverse();
+		}
+
+		return ticksFromTimestamps(me, ticks, me._majorUnit);
+	},
+
+	getLabelForIndex: function(index, datasetIndex) {
+		var me = this;
+		var adapter = me._adapter;
+		var data = me.chart.data;
+		var timeOpts = me.options.time;
+		var label = data.labels && index < data.labels.length ? data.labels[index] : '';
+		var value = data.datasets[datasetIndex].data[index];
+
+		if (helpers$1.isObject(value)) {
+			label = me.getRightValue(value);
+		}
+		if (timeOpts.tooltipFormat) {
+			return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat);
+		}
+		if (typeof label === 'string') {
+			return label;
+		}
+		return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime);
+	},
+
+	/**
+	 * Function to format an individual tick mark
+	 * @private
+	 */
+	tickFormatFunction: function(time, index, ticks, format) {
+		var me = this;
+		var adapter = me._adapter;
+		var options = me.options;
+		var formats = options.time.displayFormats;
+		var minorFormat = formats[me._unit];
+		var majorUnit = me._majorUnit;
+		var majorFormat = formats[majorUnit];
+		var tick = ticks[index];
+		var tickOpts = options.ticks;
+		var major = majorUnit && majorFormat && tick && tick.major;
+		var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat);
+		var nestedTickOpts = major ? tickOpts.major : tickOpts.minor;
+		var formatter = resolve$5([
+			nestedTickOpts.callback,
+			nestedTickOpts.userCallback,
+			tickOpts.callback,
+			tickOpts.userCallback
+		]);
+
+		return formatter ? formatter(label, index, ticks) : label;
+	},
+
+	convertTicksToLabels: function(ticks) {
+		var labels = [];
+		var i, ilen;
+
+		for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+			labels.push(this.tickFormatFunction(ticks[i].value, i, ticks));
+		}
+
+		return labels;
+	},
+
+	/**
+	 * @private
+	 */
+	getPixelForOffset: function(time) {
+		var me = this;
+		var offsets = me._offsets;
+		var pos = interpolate$1(me._table, 'time', time, 'pos');
+		return me.getPixelForDecimal((offsets.start + pos) * offsets.factor);
+	},
+
+	getPixelForValue: function(value, index, datasetIndex) {
+		var me = this;
+		var time = null;
+
+		if (index !== undefined && datasetIndex !== undefined) {
+			time = me._timestamps.datasets[datasetIndex][index];
+		}
+
+		if (time === null) {
+			time = parse(me, value);
+		}
+
+		if (time !== null) {
+			return me.getPixelForOffset(time);
+		}
+	},
+
+	getPixelForTick: function(index) {
+		var ticks = this.getTicks();
+		return index >= 0 && index < ticks.length ?
+			this.getPixelForOffset(ticks[index].value) :
+			null;
+	},
+
+	getValueForPixel: function(pixel) {
+		var me = this;
+		var offsets = me._offsets;
+		var pos = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end;
+		var time = interpolate$1(me._table, 'pos', pos, 'time');
+
+		// DEPRECATION, we should return time directly
+		return me._adapter._create(time);
+	},
+
+	/**
+	 * @private
+	 */
+	_getLabelSize: function(label) {
+		var me = this;
+		var ticksOpts = me.options.ticks;
+		var tickLabelWidth = me.ctx.measureText(label).width;
+		var angle = helpers$1.toRadians(me.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);
+		var cosRotation = Math.cos(angle);
+		var sinRotation = Math.sin(angle);
+		var tickFontSize = valueOrDefault$d(ticksOpts.fontSize, core_defaults.global.defaultFontSize);
+
+		return {
+			w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation),
+			h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation)
+		};
+	},
+
+	/**
+	 * Crude approximation of what the label width might be
+	 * @private
+	 */
+	getLabelWidth: function(label) {
+		return this._getLabelSize(label).w;
+	},
+
+	/**
+	 * @private
+	 */
+	getLabelCapacity: function(exampleTime) {
+		var me = this;
+		var timeOpts = me.options.time;
+		var displayFormats = timeOpts.displayFormats;
+
+		// pick the longest format (milliseconds) for guestimation
+		var format = displayFormats[timeOpts.unit] || displayFormats.millisecond;
+		var exampleLabel = me.tickFormatFunction(exampleTime, 0, ticksFromTimestamps(me, [exampleTime], me._majorUnit), format);
+		var size = me._getLabelSize(exampleLabel);
+		var capacity = Math.floor(me.isHorizontal() ? me.width / size.w : me.height / size.h);
+
+		if (me.options.offset) {
+			capacity--;
+		}
+
+		return capacity > 0 ? capacity : 1;
+	}
+});
+
+// INTERNAL: static default options, registered in src/index.js
+var _defaults$4 = defaultConfig$4;
+scale_time._defaults = _defaults$4;
+
+var scales = {
+	category: scale_category,
+	linear: scale_linear,
+	logarithmic: scale_logarithmic,
+	radialLinear: scale_radialLinear,
+	time: scale_time
+};
+
+var FORMATS = {
+	datetime: 'MMM D, YYYY, h:mm:ss a',
+	millisecond: 'h:mm:ss.SSS a',
+	second: 'h:mm:ss a',
+	minute: 'h:mm a',
+	hour: 'hA',
+	day: 'MMM D',
+	week: 'll',
+	month: 'MMM YYYY',
+	quarter: '[Q]Q - YYYY',
+	year: 'YYYY'
+};
+
+core_adapters._date.override(typeof moment === 'function' ? {
+	_id: 'moment', // DEBUG ONLY
+
+	formats: function() {
+		return FORMATS;
+	},
+
+	parse: function(value, format) {
+		if (typeof value === 'string' && typeof format === 'string') {
+			value = moment(value, format);
+		} else if (!(value instanceof moment)) {
+			value = moment(value);
+		}
+		return value.isValid() ? value.valueOf() : null;
+	},
+
+	format: function(time, format) {
+		return moment(time).format(format);
+	},
+
+	add: function(time, amount, unit) {
+		return moment(time).add(amount, unit).valueOf();
+	},
+
+	diff: function(max, min, unit) {
+		return moment(max).diff(moment(min), unit);
+	},
+
+	startOf: function(time, unit, weekday) {
+		time = moment(time);
+		if (unit === 'isoWeek') {
+			return time.isoWeekday(weekday).valueOf();
+		}
+		return time.startOf(unit).valueOf();
+	},
+
+	endOf: function(time, unit) {
+		return moment(time).endOf(unit).valueOf();
+	},
+
+	// DEPRECATIONS
+
+	/**
+	 * Provided for backward compatibility with scale.getValueForPixel().
+	 * @deprecated since version 2.8.0
+	 * @todo remove at version 3
+	 * @private
+	 */
+	_create: function(time) {
+		return moment(time);
+	},
+} : {});
+
+core_defaults._set('global', {
+	plugins: {
+		filler: {
+			propagate: true
+		}
+	}
+});
+
+var mappers = {
+	dataset: function(source) {
+		var index = source.fill;
+		var chart = source.chart;
+		var meta = chart.getDatasetMeta(index);
+		var visible = meta && chart.isDatasetVisible(index);
+		var points = (visible && meta.dataset._children) || [];
+		var length = points.length || 0;
+
+		return !length ? null : function(point, i) {
+			return (i < length && points[i]._view) || null;
+		};
+	},
+
+	boundary: function(source) {
+		var boundary = source.boundary;
+		var x = boundary ? boundary.x : null;
+		var y = boundary ? boundary.y : null;
+
+		if (helpers$1.isArray(boundary)) {
+			return function(point, i) {
+				return boundary[i];
+			};
+		}
+
+		return function(point) {
+			return {
+				x: x === null ? point.x : x,
+				y: y === null ? point.y : y,
+			};
+		};
+	}
+};
+
+// @todo if (fill[0] === '#')
+function decodeFill(el, index, count) {
+	var model = el._model || {};
+	var fill = model.fill;
+	var target;
+
+	if (fill === undefined) {
+		fill = !!model.backgroundColor;
+	}
+
+	if (fill === false || fill === null) {
+		return false;
+	}
+
+	if (fill === true) {
+		return 'origin';
+	}
+
+	target = parseFloat(fill, 10);
+	if (isFinite(target) && Math.floor(target) === target) {
+		if (fill[0] === '-' || fill[0] === '+') {
+			target = index + target;
+		}
+
+		if (target === index || target < 0 || target >= count) {
+			return false;
+		}
+
+		return target;
+	}
+
+	switch (fill) {
+	// compatibility
+	case 'bottom':
+		return 'start';
+	case 'top':
+		return 'end';
+	case 'zero':
+		return 'origin';
+	// supported boundaries
+	case 'origin':
+	case 'start':
+	case 'end':
+		return fill;
+	// invalid fill values
+	default:
+		return false;
+	}
+}
+
+function computeLinearBoundary(source) {
+	var model = source.el._model || {};
+	var scale = source.el._scale || {};
+	var fill = source.fill;
+	var target = null;
+	var horizontal;
+
+	if (isFinite(fill)) {
+		return null;
+	}
+
+	// Backward compatibility: until v3, we still need to support boundary values set on
+	// the model (scaleTop, scaleBottom and scaleZero) because some external plugins and
+	// controllers might still use it (e.g. the Smith chart).
+
+	if (fill === 'start') {
+		target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;
+	} else if (fill === 'end') {
+		target = model.scaleTop === undefined ? scale.top : model.scaleTop;
+	} else if (model.scaleZero !== undefined) {
+		target = model.scaleZero;
+	} else if (scale.getBasePixel) {
+		target = scale.getBasePixel();
+	}
+
+	if (target !== undefined && target !== null) {
+		if (target.x !== undefined && target.y !== undefined) {
+			return target;
+		}
+
+		if (helpers$1.isFinite(target)) {
+			horizontal = scale.isHorizontal();
+			return {
+				x: horizontal ? target : null,
+				y: horizontal ? null : target
+			};
+		}
+	}
+
+	return null;
+}
+
+function computeCircularBoundary(source) {
+	var scale = source.el._scale;
+	var options = scale.options;
+	var length = scale.chart.data.labels.length;
+	var fill = source.fill;
+	var target = [];
+	var start, end, center, i, point;
+
+	if (!length) {
+		return null;
+	}
+
+	start = options.ticks.reverse ? scale.max : scale.min;
+	end = options.ticks.reverse ? scale.min : scale.max;
+	center = scale.getPointPositionForValue(0, start);
+	for (i = 0; i < length; ++i) {
+		point = fill === 'start' || fill === 'end'
+			? scale.getPointPositionForValue(i, fill === 'start' ? start : end)
+			: scale.getBasePosition(i);
+		if (options.gridLines.circular) {
+			point.cx = center.x;
+			point.cy = center.y;
+			point.angle = scale.getIndexAngle(i) - Math.PI / 2;
+		}
+		target.push(point);
+	}
+	return target;
+}
+
+function computeBoundary(source) {
+	var scale = source.el._scale || {};
+
+	if (scale.getPointPositionForValue) {
+		return computeCircularBoundary(source);
+	}
+	return computeLinearBoundary(source);
+}
+
+function resolveTarget(sources, index, propagate) {
+	var source = sources[index];
+	var fill = source.fill;
+	var visited = [index];
+	var target;
+
+	if (!propagate) {
+		return fill;
+	}
+
+	while (fill !== false && visited.indexOf(fill) === -1) {
+		if (!isFinite(fill)) {
+			return fill;
+		}
+
+		target = sources[fill];
+		if (!target) {
+			return false;
+		}
+
+		if (target.visible) {
+			return fill;
+		}
+
+		visited.push(fill);
+		fill = target.fill;
+	}
+
+	return false;
+}
+
+function createMapper(source) {
+	var fill = source.fill;
+	var type = 'dataset';
+
+	if (fill === false) {
+		return null;
+	}
+
+	if (!isFinite(fill)) {
+		type = 'boundary';
+	}
+
+	return mappers[type](source);
+}
+
+function isDrawable(point) {
+	return point && !point.skip;
+}
+
+function drawArea(ctx, curve0, curve1, len0, len1) {
+	var i, cx, cy, r;
+
+	if (!len0 || !len1) {
+		return;
+	}
+
+	// building first area curve (normal)
+	ctx.moveTo(curve0[0].x, curve0[0].y);
+	for (i = 1; i < len0; ++i) {
+		helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);
+	}
+
+	if (curve1[0].angle !== undefined) {
+		cx = curve1[0].cx;
+		cy = curve1[0].cy;
+		r = Math.sqrt(Math.pow(curve1[0].x - cx, 2) + Math.pow(curve1[0].y - cy, 2));
+		for (i = len1 - 1; i > 0; --i) {
+			ctx.arc(cx, cy, r, curve1[i].angle, curve1[i - 1].angle, true);
+		}
+		return;
+	}
+
+	// joining the two area curves
+	ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);
+
+	// building opposite area curve (reverse)
+	for (i = len1 - 1; i > 0; --i) {
+		helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);
+	}
+}
+
+function doFill(ctx, points, mapper, view, color, loop) {
+	var count = points.length;
+	var span = view.spanGaps;
+	var curve0 = [];
+	var curve1 = [];
+	var len0 = 0;
+	var len1 = 0;
+	var i, ilen, index, p0, p1, d0, d1, loopOffset;
+
+	ctx.beginPath();
+
+	for (i = 0, ilen = count; i < ilen; ++i) {
+		index = i % count;
+		p0 = points[index]._view;
+		p1 = mapper(p0, index, view);
+		d0 = isDrawable(p0);
+		d1 = isDrawable(p1);
+
+		if (loop && loopOffset === undefined && d0) {
+			loopOffset = i + 1;
+			ilen = count + loopOffset;
+		}
+
+		if (d0 && d1) {
+			len0 = curve0.push(p0);
+			len1 = curve1.push(p1);
+		} else if (len0 && len1) {
+			if (!span) {
+				drawArea(ctx, curve0, curve1, len0, len1);
+				len0 = len1 = 0;
+				curve0 = [];
+				curve1 = [];
+			} else {
+				if (d0) {
+					curve0.push(p0);
+				}
+				if (d1) {
+					curve1.push(p1);
+				}
+			}
+		}
+	}
+
+	drawArea(ctx, curve0, curve1, len0, len1);
+
+	ctx.closePath();
+	ctx.fillStyle = color;
+	ctx.fill();
+}
+
+var plugin_filler = {
+	id: 'filler',
+
+	afterDatasetsUpdate: function(chart, options) {
+		var count = (chart.data.datasets || []).length;
+		var propagate = options.propagate;
+		var sources = [];
+		var meta, i, el, source;
+
+		for (i = 0; i < count; ++i) {
+			meta = chart.getDatasetMeta(i);
+			el = meta.dataset;
+			source = null;
+
+			if (el && el._model && el instanceof elements.Line) {
+				source = {
+					visible: chart.isDatasetVisible(i),
+					fill: decodeFill(el, i, count),
+					chart: chart,
+					el: el
+				};
+			}
+
+			meta.$filler = source;
+			sources.push(source);
+		}
+
+		for (i = 0; i < count; ++i) {
+			source = sources[i];
+			if (!source) {
+				continue;
+			}
+
+			source.fill = resolveTarget(sources, i, propagate);
+			source.boundary = computeBoundary(source);
+			source.mapper = createMapper(source);
+		}
+	},
+
+	beforeDatasetsDraw: function(chart) {
+		var metasets = chart._getSortedVisibleDatasetMetas();
+		var ctx = chart.ctx;
+		var meta, i, el, view, points, mapper, color;
+
+		for (i = metasets.length - 1; i >= 0; --i) {
+			meta = metasets[i].$filler;
+
+			if (!meta || !meta.visible) {
+				continue;
+			}
+
+			el = meta.el;
+			view = el._view;
+			points = el._children || [];
+			mapper = meta.mapper;
+			color = view.backgroundColor || core_defaults.global.defaultColor;
+
+			if (mapper && color && points.length) {
+				helpers$1.canvas.clipArea(ctx, chart.chartArea);
+				doFill(ctx, points, mapper, view, color, el._loop);
+				helpers$1.canvas.unclipArea(ctx);
+			}
+		}
+	}
+};
+
+var getRtlHelper$1 = helpers$1.rtl.getRtlAdapter;
+var noop$1 = helpers$1.noop;
+var valueOrDefault$e = helpers$1.valueOrDefault;
+
+core_defaults._set('global', {
+	legend: {
+		display: true,
+		position: 'top',
+		align: 'center',
+		fullWidth: true,
+		reverse: false,
+		weight: 1000,
+
+		// a callback that will handle
+		onClick: function(e, legendItem) {
+			var index = legendItem.datasetIndex;
+			var ci = this.chart;
+			var meta = ci.getDatasetMeta(index);
+
+			// See controller.isDatasetVisible comment
+			meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;
+
+			// We hid a dataset ... rerender the chart
+			ci.update();
+		},
+
+		onHover: null,
+		onLeave: null,
+
+		labels: {
+			boxWidth: 40,
+			padding: 10,
+			// Generates labels shown in the legend
+			// Valid properties to return:
+			// text : text to display
+			// fillStyle : fill of coloured box
+			// strokeStyle: stroke of coloured box
+			// hidden : if this legend item refers to a hidden item
+			// lineCap : cap style for line
+			// lineDash
+			// lineDashOffset :
+			// lineJoin :
+			// lineWidth :
+			generateLabels: function(chart) {
+				var datasets = chart.data.datasets;
+				var options = chart.options.legend || {};
+				var usePointStyle = options.labels && options.labels.usePointStyle;
+
+				return chart._getSortedDatasetMetas().map(function(meta) {
+					var style = meta.controller.getStyle(usePointStyle ? 0 : undefined);
+
+					return {
+						text: datasets[meta.index].label,
+						fillStyle: style.backgroundColor,
+						hidden: !chart.isDatasetVisible(meta.index),
+						lineCap: style.borderCapStyle,
+						lineDash: style.borderDash,
+						lineDashOffset: style.borderDashOffset,
+						lineJoin: style.borderJoinStyle,
+						lineWidth: style.borderWidth,
+						strokeStyle: style.borderColor,
+						pointStyle: style.pointStyle,
+						rotation: style.rotation,
+
+						// Below is extra data used for toggling the datasets
+						datasetIndex: meta.index
+					};
+				}, this);
+			}
+		}
+	},
+
+	legendCallback: function(chart) {
+		var list = document.createElement('ul');
+		var datasets = chart.data.datasets;
+		var i, ilen, listItem, listItemSpan;
+
+		list.setAttribute('class', chart.id + '-legend');
+
+		for (i = 0, ilen = datasets.length; i < ilen; i++) {
+			listItem = list.appendChild(document.createElement('li'));
+			listItemSpan = listItem.appendChild(document.createElement('span'));
+			listItemSpan.style.backgroundColor = datasets[i].backgroundColor;
+			if (datasets[i].label) {
+				listItem.appendChild(document.createTextNode(datasets[i].label));
+			}
+		}
+
+		return list.outerHTML;
+	}
+});
+
+/**
+ * Helper function to get the box width based on the usePointStyle option
+ * @param {object} labelopts - the label options on the legend
+ * @param {number} fontSize - the label font size
+ * @return {number} width of the color box area
+ */
+function getBoxWidth(labelOpts, fontSize) {
+	return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ?
+		fontSize :
+		labelOpts.boxWidth;
+}
+
+/**
+ * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!
+ */
+var Legend = core_element.extend({
+
+	initialize: function(config) {
+		var me = this;
+		helpers$1.extend(me, config);
+
+		// Contains hit boxes for each dataset (in dataset order)
+		me.legendHitBoxes = [];
+
+		/**
+ 		 * @private
+ 		 */
+		me._hoveredItem = null;
+
+		// Are we in doughnut mode which has a different data type
+		me.doughnutMode = false;
+	},
+
+	// These methods are ordered by lifecycle. Utilities then follow.
+	// Any function defined here is inherited by all legend types.
+	// Any function can be extended by the legend type
+
+	beforeUpdate: noop$1,
+	update: function(maxWidth, maxHeight, margins) {
+		var me = this;
+
+		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
+		me.beforeUpdate();
+
+		// Absorb the master measurements
+		me.maxWidth = maxWidth;
+		me.maxHeight = maxHeight;
+		me.margins = margins;
+
+		// Dimensions
+		me.beforeSetDimensions();
+		me.setDimensions();
+		me.afterSetDimensions();
+		// Labels
+		me.beforeBuildLabels();
+		me.buildLabels();
+		me.afterBuildLabels();
+
+		// Fit
+		me.beforeFit();
+		me.fit();
+		me.afterFit();
+		//
+		me.afterUpdate();
+
+		return me.minSize;
+	},
+	afterUpdate: noop$1,
+
+	//
+
+	beforeSetDimensions: noop$1,
+	setDimensions: function() {
+		var me = this;
+		// Set the unconstrained dimension before label rotation
+		if (me.isHorizontal()) {
+			// Reset position before calculating rotation
+			me.width = me.maxWidth;
+			me.left = 0;
+			me.right = me.width;
+		} else {
+			me.height = me.maxHeight;
+
+			// Reset position before calculating rotation
+			me.top = 0;
+			me.bottom = me.height;
+		}
+
+		// Reset padding
+		me.paddingLeft = 0;
+		me.paddingTop = 0;
+		me.paddingRight = 0;
+		me.paddingBottom = 0;
+
+		// Reset minSize
+		me.minSize = {
+			width: 0,
+			height: 0
+		};
+	},
+	afterSetDimensions: noop$1,
+
+	//
+
+	beforeBuildLabels: noop$1,
+	buildLabels: function() {
+		var me = this;
+		var labelOpts = me.options.labels || {};
+		var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || [];
+
+		if (labelOpts.filter) {
+			legendItems = legendItems.filter(function(item) {
+				return labelOpts.filter(item, me.chart.data);
+			});
+		}
+
+		if (me.options.reverse) {
+			legendItems.reverse();
+		}
+
+		me.legendItems = legendItems;
+	},
+	afterBuildLabels: noop$1,
+
+	//
+
+	beforeFit: noop$1,
+	fit: function() {
+		var me = this;
+		var opts = me.options;
+		var labelOpts = opts.labels;
+		var display = opts.display;
+
+		var ctx = me.ctx;
+
+		var labelFont = helpers$1.options._parseFont(labelOpts);
+		var fontSize = labelFont.size;
+
+		// Reset hit boxes
+		var hitboxes = me.legendHitBoxes = [];
+
+		var minSize = me.minSize;
+		var isHorizontal = me.isHorizontal();
+
+		if (isHorizontal) {
+			minSize.width = me.maxWidth; // fill all the width
+			minSize.height = display ? 10 : 0;
+		} else {
+			minSize.width = display ? 10 : 0;
+			minSize.height = me.maxHeight; // fill all the height
+		}
+
+		// Increase sizes here
+		if (!display) {
+			me.width = minSize.width = me.height = minSize.height = 0;
+			return;
+		}
+		ctx.font = labelFont.string;
+
+		if (isHorizontal) {
+			// Labels
+
+			// Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one
+			var lineWidths = me.lineWidths = [0];
+			var totalHeight = 0;
+
+			ctx.textAlign = 'left';
+			ctx.textBaseline = 'middle';
+
+			helpers$1.each(me.legendItems, function(legendItem, i) {
+				var boxWidth = getBoxWidth(labelOpts, fontSize);
+				var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
+
+				if (i === 0 || lineWidths[lineWidths.length - 1] + width + 2 * labelOpts.padding > minSize.width) {
+					totalHeight += fontSize + labelOpts.padding;
+					lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;
+				}
+
+				// Store the hitbox width and height here. Final position will be updated in `draw`
+				hitboxes[i] = {
+					left: 0,
+					top: 0,
+					width: width,
+					height: fontSize
+				};
+
+				lineWidths[lineWidths.length - 1] += width + labelOpts.padding;
+			});
+
+			minSize.height += totalHeight;
+
+		} else {
+			var vPadding = labelOpts.padding;
+			var columnWidths = me.columnWidths = [];
+			var columnHeights = me.columnHeights = [];
+			var totalWidth = labelOpts.padding;
+			var currentColWidth = 0;
+			var currentColHeight = 0;
+
+			helpers$1.each(me.legendItems, function(legendItem, i) {
+				var boxWidth = getBoxWidth(labelOpts, fontSize);
+				var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
+
+				// If too tall, go to new column
+				if (i > 0 && currentColHeight + fontSize + 2 * vPadding > minSize.height) {
+					totalWidth += currentColWidth + labelOpts.padding;
+					columnWidths.push(currentColWidth); // previous column width
+					columnHeights.push(currentColHeight);
+					currentColWidth = 0;
+					currentColHeight = 0;
+				}
+
+				// Get max width
+				currentColWidth = Math.max(currentColWidth, itemWidth);
+				currentColHeight += fontSize + vPadding;
+
+				// Store the hitbox width and height here. Final position will be updated in `draw`
+				hitboxes[i] = {
+					left: 0,
+					top: 0,
+					width: itemWidth,
+					height: fontSize
+				};
+			});
+
+			totalWidth += currentColWidth;
+			columnWidths.push(currentColWidth);
+			columnHeights.push(currentColHeight);
+			minSize.width += totalWidth;
+		}
+
+		me.width = minSize.width;
+		me.height = minSize.height;
+	},
+	afterFit: noop$1,
+
+	// Shared Methods
+	isHorizontal: function() {
+		return this.options.position === 'top' || this.options.position === 'bottom';
+	},
+
+	// Actually draw the legend on the canvas
+	draw: function() {
+		var me = this;
+		var opts = me.options;
+		var labelOpts = opts.labels;
+		var globalDefaults = core_defaults.global;
+		var defaultColor = globalDefaults.defaultColor;
+		var lineDefault = globalDefaults.elements.line;
+		var legendHeight = me.height;
+		var columnHeights = me.columnHeights;
+		var legendWidth = me.width;
+		var lineWidths = me.lineWidths;
+
+		if (!opts.display) {
+			return;
+		}
+
+		var rtlHelper = getRtlHelper$1(opts.rtl, me.left, me.minSize.width);
+		var ctx = me.ctx;
+		var fontColor = valueOrDefault$e(labelOpts.fontColor, globalDefaults.defaultFontColor);
+		var labelFont = helpers$1.options._parseFont(labelOpts);
+		var fontSize = labelFont.size;
+		var cursor;
+
+		// Canvas setup
+		ctx.textAlign = rtlHelper.textAlign('left');
+		ctx.textBaseline = 'middle';
+		ctx.lineWidth = 0.5;
+		ctx.strokeStyle = fontColor; // for strikethrough effect
+		ctx.fillStyle = fontColor; // render in correct colour
+		ctx.font = labelFont.string;
+
+		var boxWidth = getBoxWidth(labelOpts, fontSize);
+		var hitboxes = me.legendHitBoxes;
+
+		// current position
+		var drawLegendBox = function(x, y, legendItem) {
+			if (isNaN(boxWidth) || boxWidth <= 0) {
+				return;
+			}
+
+			// Set the ctx for the box
+			ctx.save();
+
+			var lineWidth = valueOrDefault$e(legendItem.lineWidth, lineDefault.borderWidth);
+			ctx.fillStyle = valueOrDefault$e(legendItem.fillStyle, defaultColor);
+			ctx.lineCap = valueOrDefault$e(legendItem.lineCap, lineDefault.borderCapStyle);
+			ctx.lineDashOffset = valueOrDefault$e(legendItem.lineDashOffset, lineDefault.borderDashOffset);
+			ctx.lineJoin = valueOrDefault$e(legendItem.lineJoin, lineDefault.borderJoinStyle);
+			ctx.lineWidth = lineWidth;
+			ctx.strokeStyle = valueOrDefault$e(legendItem.strokeStyle, defaultColor);
+
+			if (ctx.setLineDash) {
+				// IE 9 and 10 do not support line dash
+				ctx.setLineDash(valueOrDefault$e(legendItem.lineDash, lineDefault.borderDash));
+			}
+
+			if (labelOpts && labelOpts.usePointStyle) {
+				// Recalculate x and y for drawPoint() because its expecting
+				// x and y to be center of figure (instead of top left)
+				var radius = boxWidth * Math.SQRT2 / 2;
+				var centerX = rtlHelper.xPlus(x, boxWidth / 2);
+				var centerY = y + fontSize / 2;
+
+				// Draw pointStyle as legend symbol
+				helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY, legendItem.rotation);
+			} else {
+				// Draw box as legend symbol
+				ctx.fillRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize);
+				if (lineWidth !== 0) {
+					ctx.strokeRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize);
+				}
+			}
+
+			ctx.restore();
+		};
+
+		var fillText = function(x, y, legendItem, textWidth) {
+			var halfFontSize = fontSize / 2;
+			var xLeft = rtlHelper.xPlus(x, boxWidth + halfFontSize);
+			var yMiddle = y + halfFontSize;
+
+			ctx.fillText(legendItem.text, xLeft, yMiddle);
+
+			if (legendItem.hidden) {
+				// Strikethrough the text if hidden
+				ctx.beginPath();
+				ctx.lineWidth = 2;
+				ctx.moveTo(xLeft, yMiddle);
+				ctx.lineTo(rtlHelper.xPlus(xLeft, textWidth), yMiddle);
+				ctx.stroke();
+			}
+		};
+
+		var alignmentOffset = function(dimension, blockSize) {
+			switch (opts.align) {
+			case 'start':
+				return labelOpts.padding;
+			case 'end':
+				return dimension - blockSize;
+			default: // center
+				return (dimension - blockSize + labelOpts.padding) / 2;
+			}
+		};
+
+		// Horizontal
+		var isHorizontal = me.isHorizontal();
+		if (isHorizontal) {
+			cursor = {
+				x: me.left + alignmentOffset(legendWidth, lineWidths[0]),
+				y: me.top + labelOpts.padding,
+				line: 0
+			};
+		} else {
+			cursor = {
+				x: me.left + labelOpts.padding,
+				y: me.top + alignmentOffset(legendHeight, columnHeights[0]),
+				line: 0
+			};
+		}
+
+		helpers$1.rtl.overrideTextDirection(me.ctx, opts.textDirection);
+
+		var itemHeight = fontSize + labelOpts.padding;
+		helpers$1.each(me.legendItems, function(legendItem, i) {
+			var textWidth = ctx.measureText(legendItem.text).width;
+			var width = boxWidth + (fontSize / 2) + textWidth;
+			var x = cursor.x;
+			var y = cursor.y;
+
+			rtlHelper.setWidth(me.minSize.width);
+
+			// Use (me.left + me.minSize.width) and (me.top + me.minSize.height)
+			// instead of me.right and me.bottom because me.width and me.height
+			// may have been changed since me.minSize was calculated
+			if (isHorizontal) {
+				if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) {
+					y = cursor.y += itemHeight;
+					cursor.line++;
+					x = cursor.x = me.left + alignmentOffset(legendWidth, lineWidths[cursor.line]);
+				}
+			} else if (i > 0 && y + itemHeight > me.top + me.minSize.height) {
+				x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;
+				cursor.line++;
+				y = cursor.y = me.top + alignmentOffset(legendHeight, columnHeights[cursor.line]);
+			}
+
+			var realX = rtlHelper.x(x);
+
+			drawLegendBox(realX, y, legendItem);
+
+			hitboxes[i].left = rtlHelper.leftForLtr(realX, hitboxes[i].width);
+			hitboxes[i].top = y;
+
+			// Fill the actual label
+			fillText(realX, y, legendItem, textWidth);
+
+			if (isHorizontal) {
+				cursor.x += width + labelOpts.padding;
+			} else {
+				cursor.y += itemHeight;
+			}
+		});
+
+		helpers$1.rtl.restoreTextDirection(me.ctx, opts.textDirection);
+	},
+
+	/**
+	 * @private
+	 */
+	_getLegendItemAt: function(x, y) {
+		var me = this;
+		var i, hitBox, lh;
+
+		if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {
+			// See if we are touching one of the dataset boxes
+			lh = me.legendHitBoxes;
+			for (i = 0; i < lh.length; ++i) {
+				hitBox = lh[i];
+
+				if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {
+					// Touching an element
+					return me.legendItems[i];
+				}
+			}
+		}
+
+		return null;
+	},
+
+	/**
+	 * Handle an event
+	 * @private
+	 * @param {IEvent} event - The event to handle
+	 */
+	handleEvent: function(e) {
+		var me = this;
+		var opts = me.options;
+		var type = e.type === 'mouseup' ? 'click' : e.type;
+		var hoveredItem;
+
+		if (type === 'mousemove') {
+			if (!opts.onHover && !opts.onLeave) {
+				return;
+			}
+		} else if (type === 'click') {
+			if (!opts.onClick) {
+				return;
+			}
+		} else {
+			return;
+		}
+
+		// Chart event already has relative position in it
+		hoveredItem = me._getLegendItemAt(e.x, e.y);
+
+		if (type === 'click') {
+			if (hoveredItem && opts.onClick) {
+				// use e.native for backwards compatibility
+				opts.onClick.call(me, e.native, hoveredItem);
+			}
+		} else {
+			if (opts.onLeave && hoveredItem !== me._hoveredItem) {
+				if (me._hoveredItem) {
+					opts.onLeave.call(me, e.native, me._hoveredItem);
+				}
+				me._hoveredItem = hoveredItem;
+			}
+
+			if (opts.onHover && hoveredItem) {
+				// use e.native for backwards compatibility
+				opts.onHover.call(me, e.native, hoveredItem);
+			}
+		}
+	}
+});
+
+function createNewLegendAndAttach(chart, legendOpts) {
+	var legend = new Legend({
+		ctx: chart.ctx,
+		options: legendOpts,
+		chart: chart
+	});
+
+	core_layouts.configure(chart, legend, legendOpts);
+	core_layouts.addBox(chart, legend);
+	chart.legend = legend;
+}
+
+var plugin_legend = {
+	id: 'legend',
+
+	/**
+	 * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making
+	 * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of
+	 * the plugin, which one will be re-exposed in the chart.js file.
+	 * https://github.com/chartjs/Chart.js/pull/2640
+	 * @private
+	 */
+	_element: Legend,
+
+	beforeInit: function(chart) {
+		var legendOpts = chart.options.legend;
+
+		if (legendOpts) {
+			createNewLegendAndAttach(chart, legendOpts);
+		}
+	},
+
+	beforeUpdate: function(chart) {
+		var legendOpts = chart.options.legend;
+		var legend = chart.legend;
+
+		if (legendOpts) {
+			helpers$1.mergeIf(legendOpts, core_defaults.global.legend);
+
+			if (legend) {
+				core_layouts.configure(chart, legend, legendOpts);
+				legend.options = legendOpts;
+			} else {
+				createNewLegendAndAttach(chart, legendOpts);
+			}
+		} else if (legend) {
+			core_layouts.removeBox(chart, legend);
+			delete chart.legend;
+		}
+	},
+
+	afterEvent: function(chart, e) {
+		var legend = chart.legend;
+		if (legend) {
+			legend.handleEvent(e);
+		}
+	}
+};
+
+var noop$2 = helpers$1.noop;
+
+core_defaults._set('global', {
+	title: {
+		display: false,
+		fontStyle: 'bold',
+		fullWidth: true,
+		padding: 10,
+		position: 'top',
+		text: '',
+		weight: 2000         // by default greater than legend (1000) to be above
+	}
+});
+
+/**
+ * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!
+ */
+var Title = core_element.extend({
+	initialize: function(config) {
+		var me = this;
+		helpers$1.extend(me, config);
+
+		// Contains hit boxes for each dataset (in dataset order)
+		me.legendHitBoxes = [];
+	},
+
+	// These methods are ordered by lifecycle. Utilities then follow.
+
+	beforeUpdate: noop$2,
+	update: function(maxWidth, maxHeight, margins) {
+		var me = this;
+
+		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
+		me.beforeUpdate();
+
+		// Absorb the master measurements
+		me.maxWidth = maxWidth;
+		me.maxHeight = maxHeight;
+		me.margins = margins;
+
+		// Dimensions
+		me.beforeSetDimensions();
+		me.setDimensions();
+		me.afterSetDimensions();
+		// Labels
+		me.beforeBuildLabels();
+		me.buildLabels();
+		me.afterBuildLabels();
+
+		// Fit
+		me.beforeFit();
+		me.fit();
+		me.afterFit();
+		//
+		me.afterUpdate();
+
+		return me.minSize;
+
+	},
+	afterUpdate: noop$2,
+
+	//
+
+	beforeSetDimensions: noop$2,
+	setDimensions: function() {
+		var me = this;
+		// Set the unconstrained dimension before label rotation
+		if (me.isHorizontal()) {
+			// Reset position before calculating rotation
+			me.width = me.maxWidth;
+			me.left = 0;
+			me.right = me.width;
+		} else {
+			me.height = me.maxHeight;
+
+			// Reset position before calculating rotation
+			me.top = 0;
+			me.bottom = me.height;
+		}
+
+		// Reset padding
+		me.paddingLeft = 0;
+		me.paddingTop = 0;
+		me.paddingRight = 0;
+		me.paddingBottom = 0;
+
+		// Reset minSize
+		me.minSize = {
+			width: 0,
+			height: 0
+		};
+	},
+	afterSetDimensions: noop$2,
+
+	//
+
+	beforeBuildLabels: noop$2,
+	buildLabels: noop$2,
+	afterBuildLabels: noop$2,
+
+	//
+
+	beforeFit: noop$2,
+	fit: function() {
+		var me = this;
+		var opts = me.options;
+		var minSize = me.minSize = {};
+		var isHorizontal = me.isHorizontal();
+		var lineCount, textSize;
+
+		if (!opts.display) {
+			me.width = minSize.width = me.height = minSize.height = 0;
+			return;
+		}
+
+		lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1;
+		textSize = lineCount * helpers$1.options._parseFont(opts).lineHeight + opts.padding * 2;
+
+		me.width = minSize.width = isHorizontal ? me.maxWidth : textSize;
+		me.height = minSize.height = isHorizontal ? textSize : me.maxHeight;
+	},
+	afterFit: noop$2,
+
+	// Shared Methods
+	isHorizontal: function() {
+		var pos = this.options.position;
+		return pos === 'top' || pos === 'bottom';
+	},
+
+	// Actually draw the title block on the canvas
+	draw: function() {
+		var me = this;
+		var ctx = me.ctx;
+		var opts = me.options;
+
+		if (!opts.display) {
+			return;
+		}
+
+		var fontOpts = helpers$1.options._parseFont(opts);
+		var lineHeight = fontOpts.lineHeight;
+		var offset = lineHeight / 2 + opts.padding;
+		var rotation = 0;
+		var top = me.top;
+		var left = me.left;
+		var bottom = me.bottom;
+		var right = me.right;
+		var maxWidth, titleX, titleY;
+
+		ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour
+		ctx.font = fontOpts.string;
+
+		// Horizontal
+		if (me.isHorizontal()) {
+			titleX = left + ((right - left) / 2); // midpoint of the width
+			titleY = top + offset;
+			maxWidth = right - left;
+		} else {
+			titleX = opts.position === 'left' ? left + offset : right - offset;
+			titleY = top + ((bottom - top) / 2);
+			maxWidth = bottom - top;
+			rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);
+		}
+
+		ctx.save();
+		ctx.translate(titleX, titleY);
+		ctx.rotate(rotation);
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+
+		var text = opts.text;
+		if (helpers$1.isArray(text)) {
+			var y = 0;
+			for (var i = 0; i < text.length; ++i) {
+				ctx.fillText(text[i], 0, y, maxWidth);
+				y += lineHeight;
+			}
+		} else {
+			ctx.fillText(text, 0, 0, maxWidth);
+		}
+
+		ctx.restore();
+	}
+});
+
+function createNewTitleBlockAndAttach(chart, titleOpts) {
+	var title = new Title({
+		ctx: chart.ctx,
+		options: titleOpts,
+		chart: chart
+	});
+
+	core_layouts.configure(chart, title, titleOpts);
+	core_layouts.addBox(chart, title);
+	chart.titleBlock = title;
+}
+
+var plugin_title = {
+	id: 'title',
+
+	/**
+	 * Backward compatibility: since 2.1.5, the title is registered as a plugin, making
+	 * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of
+	 * the plugin, which one will be re-exposed in the chart.js file.
+	 * https://github.com/chartjs/Chart.js/pull/2640
+	 * @private
+	 */
+	_element: Title,
+
+	beforeInit: function(chart) {
+		var titleOpts = chart.options.title;
+
+		if (titleOpts) {
+			createNewTitleBlockAndAttach(chart, titleOpts);
+		}
+	},
+
+	beforeUpdate: function(chart) {
+		var titleOpts = chart.options.title;
+		var titleBlock = chart.titleBlock;
+
+		if (titleOpts) {
+			helpers$1.mergeIf(titleOpts, core_defaults.global.title);
+
+			if (titleBlock) {
+				core_layouts.configure(chart, titleBlock, titleOpts);
+				titleBlock.options = titleOpts;
+			} else {
+				createNewTitleBlockAndAttach(chart, titleOpts);
+			}
+		} else if (titleBlock) {
+			core_layouts.removeBox(chart, titleBlock);
+			delete chart.titleBlock;
+		}
+	}
+};
+
+var plugins = {};
+var filler = plugin_filler;
+var legend = plugin_legend;
+var title = plugin_title;
+plugins.filler = filler;
+plugins.legend = legend;
+plugins.title = title;
+
+/**
+ * @namespace Chart
+ */
+
+
+core_controller.helpers = helpers$1;
+
+// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!
+core_helpers();
+
+core_controller._adapters = core_adapters;
+core_controller.Animation = core_animation;
+core_controller.animationService = core_animations;
+core_controller.controllers = controllers;
+core_controller.DatasetController = core_datasetController;
+core_controller.defaults = core_defaults;
+core_controller.Element = core_element;
+core_controller.elements = elements;
+core_controller.Interaction = core_interaction;
+core_controller.layouts = core_layouts;
+core_controller.platform = platform;
+core_controller.plugins = core_plugins;
+core_controller.Scale = core_scale;
+core_controller.scaleService = core_scaleService;
+core_controller.Ticks = core_ticks;
+core_controller.Tooltip = core_tooltip;
+
+// Register built-in scales
+
+core_controller.helpers.each(scales, function(scale, type) {
+	core_controller.scaleService.registerScaleType(type, scale, scale._defaults);
+});
+
+// Load to register built-in adapters (as side effects)
+
+
+// Loading built-in plugins
+
+for (var k in plugins) {
+	if (plugins.hasOwnProperty(k)) {
+		core_controller.plugins.register(plugins[k]);
+	}
+}
+
+core_controller.platform.initialize();
+
+var src = core_controller;
+if (typeof window !== 'undefined') {
+	window.Chart = core_controller;
+}
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, not available anymore
+ * @namespace Chart.Chart
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.Chart = core_controller;
+
+/**
+ * Provided for backward compatibility, not available anymore
+ * @namespace Chart.Legend
+ * @deprecated since version 2.1.5
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.Legend = plugins.legend._element;
+
+/**
+ * Provided for backward compatibility, not available anymore
+ * @namespace Chart.Title
+ * @deprecated since version 2.1.5
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.Title = plugins.title._element;
+
+/**
+ * Provided for backward compatibility, use Chart.plugins instead
+ * @namespace Chart.pluginService
+ * @deprecated since version 2.1.5
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.pluginService = core_controller.plugins;
+
+/**
+ * Provided for backward compatibility, inheriting from Chart.PlugingBase has no
+ * effect, instead simply create/register plugins via plain JavaScript objects.
+ * @interface Chart.PluginBase
+ * @deprecated since version 2.5.0
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.PluginBase = core_controller.Element.extend({});
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas instead.
+ * @namespace Chart.canvasHelpers
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.canvasHelpers = core_controller.helpers.canvas;
+
+/**
+ * Provided for backward compatibility, use Chart.layouts instead.
+ * @namespace Chart.layoutService
+ * @deprecated since version 2.7.3
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.layoutService = core_controller.layouts;
+
+/**
+ * Provided for backward compatibility, not available anymore.
+ * @namespace Chart.LinearScaleBase
+ * @deprecated since version 2.8
+ * @todo remove at version 3
+ * @private
+ */
+core_controller.LinearScaleBase = scale_linearbase;
+
+/**
+ * Provided for backward compatibility, instead we should create a new Chart
+ * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`).
+ * @deprecated since version 2.8.0
+ * @todo remove at version 3
+ */
+core_controller.helpers.each(
+	[
+		'Bar',
+		'Bubble',
+		'Doughnut',
+		'Line',
+		'PolarArea',
+		'Radar',
+		'Scatter'
+	],
+	function(klass) {
+		core_controller[klass] = function(ctx, cfg) {
+			return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, {
+				type: klass.charAt(0).toLowerCase() + klass.slice(1)
+			}));
+		};
+	}
+);
+
+return src;
+
+})));
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/Chart.min.css b/odex25_maintenance/maintenance_custom/static/src/js/Chart.min.css
new file mode 100644
index 000000000..9dc5ac2e5
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/Chart.min.css
@@ -0,0 +1 @@
+@keyframes chartjs-render-animation{from{opacity:.99}to{opacity:1}}.chartjs-render-monitor{animation:chartjs-render-animation 1ms}.chartjs-size-monitor,.chartjs-size-monitor-expand,.chartjs-size-monitor-shrink{position:absolute;direction:ltr;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1}.chartjs-size-monitor-expand>div{position:absolute;width:1000000px;height:1000000px;left:0;top:0}.chartjs-size-monitor-shrink>div{position:absolute;width:200%;height:200%;left:0;top:0}
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/Chart.min.js b/odex25_maintenance/maintenance_custom/static/src/js/Chart.min.js
new file mode 100644
index 000000000..a87f61443
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/Chart.min.js
@@ -0,0 +1,7 @@
+/*!
+ * Chart.js v2.9.4
+ * https://www.chartjs.org
+ * (c) 2020 Chart.js Contributors
+ * Released under the MIT License
+ */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e(function(){try{return require("moment")}catch(t){}}()):"function"==typeof define&&define.amd?define(["require"],(function(t){return e(function(){try{return t("moment")}catch(t){}}())})):(t=t||self).Chart=e(t.moment)}(this,(function(t){"use strict";t=t&&t.hasOwnProperty("default")?t.default:t;var 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t,e,n,i,a,r,o=this.getMeta().dataset,s={};if(o){for(r=o._model,a=this._resolveDatasetElementOptions(o,!0),t=0,e=(i=Object.keys(a)).length;t<e;++t)s[n=i[t]]=r[n],r[n]=a[n];o.$previousStyle=s}},resyncElements:function(){var t=this.getMeta(),e=this.getDataset().data,n=t.data.length,i=e.length;i<n?t.data.splice(i,n-i):i>n&&this.insertElements(n,i-n)},insertElements:function(t,e){for(var n=0;n<e;++n)this.addElementAndReset(t+n)},onDataPush:function(){var t=arguments.length;this.insertElements(this.getDataset().data.length-t,t)},onDataPop:function(){this.getMeta().data.pop()},onDataShift:function(){this.getMeta().data.shift()},onDataSplice:function(t,e){this.getMeta().data.splice(t,e),this.insertElements(t,arguments.length-2)},onDataUnshift:function(){this.insertElements(0,arguments.length)}}),nt.extend=H.inherits;var it=nt,at=2*Math.PI;function rt(t,e){var n=e.startAngle,i=e.endAngle,a=e.pixelMargin,r=a/e.outerRadius,o=e.x,s=e.y;t.beginPath(),t.arc(o,s,e.outerRadius,n-r,i+r),e.innerRadius>a?(r=a/e.innerRadius,t.arc(o,s,e.innerRadius-a,i+r,n-r,!0)):t.arc(o,s,a,i+Math.PI/2,n-Math.PI/2),t.closePath(),t.clip()}function ot(t,e,n){var i="inner"===e.borderAlign;i?(t.lineWidth=2*e.borderWidth,t.lineJoin="round"):(t.lineWidth=e.borderWidth,t.lineJoin="bevel"),n.fullCircles&&function(t,e,n,i){var a,r=n.endAngle;for(i&&(n.endAngle=n.startAngle+at,rt(t,n),n.endAngle=r,n.endAngle===n.startAngle&&n.fullCircles&&(n.endAngle+=at,n.fullCircles--)),t.beginPath(),t.arc(n.x,n.y,n.innerRadius,n.startAngle+at,n.startAngle,!0),a=0;a<n.fullCircles;++a)t.stroke();for(t.beginPath(),t.arc(n.x,n.y,e.outerRadius,n.startAngle,n.startAngle+at),a=0;a<n.fullCircles;++a)t.stroke()}(t,e,n,i),i&&rt(t,n),t.beginPath(),t.arc(n.x,n.y,e.outerRadius,n.startAngle,n.endAngle),t.arc(n.x,n.y,n.innerRadius,n.endAngle,n.startAngle,!0),t.closePath(),t.stroke()}N._set("global",{elements:{arc:{backgroundColor:N.global.defaultColor,borderColor:"#fff",borderWidth:2,borderAlign:"center"}}});var st=K.extend({_type:"arc",inLabelRange:function(t){var e=this._view;return!!e&&Math.pow(t-e.x,2)<Math.pow(e.radius+e.hoverRadius,2)},inRange:function(t,e){var n=this._view;if(n){for(var i=H.getAngleFromPoint(n,{x:t,y:e}),a=i.angle,r=i.distance,o=n.startAngle,s=n.endAngle;s<o;)s+=at;for(;a>s;)a-=at;for(;a<o;)a+=at;var l=a>=o&&a<=s,u=r>=n.innerRadius&&r<=n.outerRadius;return l&&u}return!1},getCenterPoint:function(){var t=this._view,e=(t.startAngle+t.endAngle)/2,n=(t.innerRadius+t.outerRadius)/2;return{x:t.x+Math.cos(e)*n,y:t.y+Math.sin(e)*n}},getArea:function(){var t=this._view;return Math.PI*((t.endAngle-t.startAngle)/(2*Math.PI))*(Math.pow(t.outerRadius,2)-Math.pow(t.innerRadius,2))},tooltipPosition:function(){var t=this._view,e=t.startAngle+(t.endAngle-t.startAngle)/2,n=(t.outerRadius-t.innerRadius)/2+t.innerRadius;return{x:t.x+Math.cos(e)*n,y:t.y+Math.sin(e)*n}},draw:function(){var t,e=this._chart.ctx,n=this._view,i="inner"===n.borderAlign?.33:0,a={x:n.x,y:n.y,innerRadius:n.innerRadius,outerRadius:Math.max(n.outerRadius-i,0),pixelMargin:i,startAngle:n.startAngle,endAngle:n.endAngle,fullCircles:Math.floor(n.circumference/at)};if(e.save(),e.fillStyle=n.backgroundColor,e.strokeStyle=n.borderColor,a.fullCircles){for(a.endAngle=a.startAngle+at,e.beginPath(),e.arc(a.x,a.y,a.outerRadius,a.startAngle,a.endAngle),e.arc(a.x,a.y,a.innerRadius,a.endAngle,a.startAngle,!0),e.closePath(),t=0;t<a.fullCircles;++t)e.fill();a.endAngle=a.startAngle+n.circumference%at}e.beginPath(),e.arc(a.x,a.y,a.outerRadius,a.startAngle,a.endAngle),e.arc(a.x,a.y,a.innerRadius,a.endAngle,a.startAngle,!0),e.closePath(),e.fill(),n.borderWidth&&ot(e,n,a),e.restore()}}),lt=H.valueOrDefault,ut=N.global.defaultColor;N._set("global",{elements:{line:{tension:.4,backgroundColor:ut,borderWidth:3,borderColor:ut,borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",capBezierPoints:!0,fill:!0}}});var dt=K.extend({_type:"line",draw:function(){var t,e,n,i=this,a=i._view,r=i._chart.ctx,o=a.spanGaps,s=i._children.slice(),l=N.global,u=l.elements.line,d=-1,h=i._loop;if(s.length){if(i._loop){for(t=0;t<s.length;++t)if(e=H.previousItem(s,t),!s[t]._view.skip&&e._view.skip){s=s.slice(t).concat(s.slice(0,t)),h=o;break}h&&s.push(s[0])}for(r.save(),r.lineCap=a.borderCapStyle||u.borderCapStyle,r.setLineDash&&r.setLineDash(a.borderDash||u.borderDash),r.lineDashOffset=lt(a.borderDashOffset,u.borderDashOffset),r.lineJoin=a.borderJoinStyle||u.borderJoinStyle,r.lineWidth=lt(a.borderWidth,u.borderWidth),r.strokeStyle=a.borderColor||l.defaultColor,r.beginPath(),(n=s[0]._view).skip||(r.moveTo(n.x,n.y),d=0),t=1;t<s.length;++t)n=s[t]._view,e=-1===d?H.previousItem(s,t):s[d],n.skip||(d!==t-1&&!o||-1===d?r.moveTo(n.x,n.y):H.canvas.lineTo(r,e._view,n),d=t);h&&r.closePath(),r.stroke(),r.restore()}}}),ht=H.valueOrDefault,ct=N.global.defaultColor;function ft(t){var e=this._view;return!!e&&Math.abs(t-e.x)<e.radius+e.hitRadius}N._set("global",{elements:{point:{radius:3,pointStyle:"circle",backgroundColor:ct,borderColor:ct,borderWidth:1,hitRadius:1,hoverRadius:4,hoverBorderWidth:1}}});var gt=K.extend({_type:"point",inRange:function(t,e){var n=this._view;return!!n&&Math.pow(t-n.x,2)+Math.pow(e-n.y,2)<Math.pow(n.hitRadius+n.radius,2)},inLabelRange:ft,inXRange:ft,inYRange:function(t){var e=this._view;return!!e&&Math.abs(t-e.y)<e.radius+e.hitRadius},getCenterPoint:function(){var t=this._view;return{x:t.x,y:t.y}},getArea:function(){return Math.PI*Math.pow(this._view.radius,2)},tooltipPosition:function(){var t=this._view;return{x:t.x,y:t.y,padding:t.radius+t.borderWidth}},draw:function(t){var e=this._view,n=this._chart.ctx,i=e.pointStyle,a=e.rotation,r=e.radius,o=e.x,s=e.y,l=N.global,u=l.defaultColor;e.skip||(void 0===t||H.canvas._isPointInArea(e,t))&&(n.strokeStyle=e.borderColor||u,n.lineWidth=ht(e.borderWidth,l.elements.point.borderWidth),n.fillStyle=e.backgroundColor||u,H.canvas.drawPoint(n,i,r,o,s,a))}}),pt=N.global.defaultColor;function mt(t){return t&&void 0!==t.width}function vt(t){var e,n,i,a,r;return mt(t)?(r=t.width/2,e=t.x-r,n=t.x+r,i=Math.min(t.y,t.base),a=Math.max(t.y,t.base)):(r=t.height/2,e=Math.min(t.x,t.base),n=Math.max(t.x,t.base),i=t.y-r,a=t.y+r),{left:e,top:i,right:n,bottom:a}}function bt(t,e,n){return t===e?n:t===n?e:t}function xt(t,e,n){var i,a,r,o,s=t.borderWidth,l=function(t){var e=t.borderSkipped,n={};return e?(t.horizontal?t.base>t.x&&(e=bt(e,"left","right")):t.base<t.y&&(e=bt(e,"bottom","top")),n[e]=!0,n):n}(t);return H.isObject(s)?(i=+s.top||0,a=+s.right||0,r=+s.bottom||0,o=+s.left||0):i=a=r=o=+s||0,{t:l.top||i<0?0:i>n?n:i,r:l.right||a<0?0:a>e?e:a,b:l.bottom||r<0?0:r>n?n:r,l:l.left||o<0?0:o>e?e:o}}function yt(t,e,n){var i=null===e,a=null===n,r=!(!t||i&&a)&&vt(t);return r&&(i||e>=r.left&&e<=r.right)&&(a||n>=r.top&&n<=r.bottom)}N._set("global",{elements:{rectangle:{backgroundColor:pt,borderColor:pt,borderSkipped:"bottom",borderWidth:0}}});var _t=K.extend({_type:"rectangle",draw:function(){var t=this._chart.ctx,e=this._view,n=function(t){var e=vt(t),n=e.right-e.left,i=e.bottom-e.top,a=xt(t,n/2,i/2);return{outer:{x:e.left,y:e.top,w:n,h:i},inner:{x:e.left+a.l,y:e.top+a.t,w:n-a.l-a.r,h:i-a.t-a.b}}}(e),i=n.outer,a=n.inner;t.fillStyle=e.backgroundColor,t.fillRect(i.x,i.y,i.w,i.h),i.w===a.w&&i.h===a.h||(t.save(),t.beginPath(),t.rect(i.x,i.y,i.w,i.h),t.clip(),t.fillStyle=e.borderColor,t.rect(a.x,a.y,a.w,a.h),t.fill("evenodd"),t.restore())},height:function(){var t=this._view;return t.base-t.y},inRange:function(t,e){return yt(this._view,t,e)},inLabelRange:function(t,e){var n=this._view;return mt(n)?yt(n,t,null):yt(n,null,e)},inXRange:function(t){return yt(this._view,t,null)},inYRange:function(t){return yt(this._view,null,t)},getCenterPoint:function(){var t,e,n=this._view;return mt(n)?(t=n.x,e=(n.y+n.base)/2):(t=(n.x+n.base)/2,e=n.y),{x:t,y:e}},getArea:function(){var t=this._view;return mt(t)?t.width*Math.abs(t.y-t.base):t.height*Math.abs(t.x-t.base)},tooltipPosition:function(){var t=this._view;return{x:t.x,y:t.y}}}),kt={},wt=st,Mt=dt,St=gt,Ct=_t;kt.Arc=wt,kt.Line=Mt,kt.Point=St,kt.Rectangle=Ct;var Pt=H._deprecated,At=H.valueOrDefault;function Dt(t,e,n){var i,a,r=n.barThickness,o=e.stackCount,s=e.pixels[t],l=H.isNullOrUndef(r)?function(t,e){var n,i,a,r,o=t._length;for(a=1,r=e.length;a<r;++a)o=Math.min(o,Math.abs(e[a]-e[a-1]));for(a=0,r=t.getTicks().length;a<r;++a)i=t.getPixelForTick(a),o=a>0?Math.min(o,Math.abs(i-n)):o,n=i;return o}(e.scale,e.pixels):-1;return H.isNullOrUndef(r)?(i=l*n.categoryPercentage,a=n.barPercentage):(i=r*o,a=1),{chunk:i/o,ratio:a,start:s-i/2}}N._set("bar",{hover:{mode:"label"},scales:{xAxes:[{type:"category",offset:!0,gridLines:{offsetGridLines:!0}}],yAxes:[{type:"linear"}]}}),N._set("global",{datasets:{bar:{categoryPercentage:.8,barPercentage:.9}}});var Tt=it.extend({dataElementType:kt.Rectangle,_dataElementOptions:["backgroundColor","borderColor","borderSkipped","borderWidth","barPercentage","barThickness","categoryPercentage","maxBarThickness","minBarLength"],initialize:function(){var t,e,n=this;it.prototype.initialize.apply(n,arguments),(t=n.getMeta()).stack=n.getDataset().stack,t.bar=!0,e=n._getIndexScale().options,Pt("bar chart",e.barPercentage,"scales.[x/y]Axes.barPercentage","dataset.barPercentage"),Pt("bar chart",e.barThickness,"scales.[x/y]Axes.barThickness","dataset.barThickness"),Pt("bar chart",e.categoryPercentage,"scales.[x/y]Axes.categoryPercentage","dataset.categoryPercentage"),Pt("bar chart",n._getValueScale().options.minBarLength,"scales.[x/y]Axes.minBarLength","dataset.minBarLength"),Pt("bar chart",e.maxBarThickness,"scales.[x/y]Axes.maxBarThickness","dataset.maxBarThickness")},update:function(t){var e,n,i=this.getMeta().data;for(this._ruler=this.getRuler(),e=0,n=i.length;e<n;++e)this.updateElement(i[e],e,t)},updateElement:function(t,e,n){var i=this,a=i.getMeta(),r=i.getDataset(),o=i._resolveDataElementOptions(t,e);t._xScale=i.getScaleForId(a.xAxisID),t._yScale=i.getScaleForId(a.yAxisID),t._datasetIndex=i.index,t._index=e,t._model={backgroundColor:o.backgroundColor,borderColor:o.borderColor,borderSkipped:o.borderSkipped,borderWidth:o.borderWidth,datasetLabel:r.label,label:i.chart.data.labels[e]},H.isArray(r.data[e])&&(t._model.borderSkipped=null),i._updateElementGeometry(t,e,n,o),t.pivot()},_updateElementGeometry:function(t,e,n,i){var a=this,r=t._model,o=a._getValueScale(),s=o.getBasePixel(),l=o.isHorizontal(),u=a._ruler||a.getRuler(),d=a.calculateBarValuePixels(a.index,e,i),h=a.calculateBarIndexPixels(a.index,e,u,i);r.horizontal=l,r.base=n?s:d.base,r.x=l?n?s:d.head:h.center,r.y=l?h.center:n?s:d.head,r.height=l?h.size:void 0,r.width=l?void 0:h.size},_getStacks:function(t){var e,n,i=this._getIndexScale(),a=i._getMatchingVisibleMetas(this._type),r=i.options.stacked,o=a.length,s=[];for(e=0;e<o&&(n=a[e],(!1===r||-1===s.indexOf(n.stack)||void 0===r&&void 0===n.stack)&&s.push(n.stack),n.index!==t);++e);return s},getStackCount:function(){return this._getStacks().length},getStackIndex:function(t,e){var n=this._getStacks(t),i=void 0!==e?n.indexOf(e):-1;return-1===i?n.length-1:i},getRuler:function(){var t,e,n=this._getIndexScale(),i=[];for(t=0,e=this.getMeta().data.length;t<e;++t)i.push(n.getPixelForValue(null,t,this.index));return{pixels:i,start:n._startPixel,end:n._endPixel,stackCount:this.getStackCount(),scale:n}},calculateBarValuePixels:function(t,e,n){var i,a,r,o,s,l,u,d=this.chart,h=this._getValueScale(),c=h.isHorizontal(),f=d.data.datasets,g=h._getMatchingVisibleMetas(this._type),p=h._parseValue(f[t].data[e]),m=n.minBarLength,v=h.options.stacked,b=this.getMeta().stack,x=void 0===p.start?0:p.max>=0&&p.min>=0?p.min:p.max,y=void 0===p.start?p.end:p.max>=0&&p.min>=0?p.max-p.min:p.min-p.max,_=g.length;if(v||void 0===v&&void 0!==b)for(i=0;i<_&&(a=g[i]).index!==t;++i)a.stack===b&&(r=void 0===(u=h._parseValue(f[a.index].data[e])).start?u.end:u.min>=0&&u.max>=0?u.max:u.min,(p.min<0&&r<0||p.max>=0&&r>0)&&(x+=r));return o=h.getPixelForValue(x),l=(s=h.getPixelForValue(x+y))-o,void 0!==m&&Math.abs(l)<m&&(l=m,s=y>=0&&!c||y<0&&c?o-m:o+m),{size:l,base:o,head:s,center:s+l/2}},calculateBarIndexPixels:function(t,e,n,i){var a="flex"===i.barThickness?function(t,e,n){var i,a=e.pixels,r=a[t],o=t>0?a[t-1]:null,s=t<a.length-1?a[t+1]:null,l=n.categoryPercentage;return null===o&&(o=r-(null===s?e.end-e.start:s-r)),null===s&&(s=r+r-o),i=r-(r-Math.min(o,s))/2*l,{chunk:Math.abs(s-o)/2*l/e.stackCount,ratio:n.barPercentage,start:i}}(e,n,i):Dt(e,n,i),r=this.getStackIndex(t,this.getMeta().stack),o=a.start+a.chunk*r+a.chunk/2,s=Math.min(At(i.maxBarThickness,1/0),a.chunk*a.ratio);return{base:o-s/2,head:o+s/2,center:o,size:s}},draw:function(){var t=this.chart,e=this._getValueScale(),n=this.getMeta().data,i=this.getDataset(),a=n.length,r=0;for(H.canvas.clipArea(t.ctx,t.chartArea);r<a;++r){var o=e._parseValue(i.data[r]);isNaN(o.min)||isNaN(o.max)||n[r].draw()}H.canvas.unclipArea(t.ctx)},_resolveDataElementOptions:function(){var t=this,e=H.extend({},it.prototype._resolveDataElementOptions.apply(t,arguments)),n=t._getIndexScale().options,i=t._getValueScale().options;return e.barPercentage=At(n.barPercentage,e.barPercentage),e.barThickness=At(n.barThickness,e.barThickness),e.categoryPercentage=At(n.categoryPercentage,e.categoryPercentage),e.maxBarThickness=At(n.maxBarThickness,e.maxBarThickness),e.minBarLength=At(i.minBarLength,e.minBarLength),e}}),It=H.valueOrDefault,Ft=H.options.resolve;N._set("bubble",{hover:{mode:"single"},scales:{xAxes:[{type:"linear",position:"bottom",id:"x-axis-0"}],yAxes:[{type:"linear",position:"left",id:"y-axis-0"}]},tooltips:{callbacks:{title:function(){return""},label:function(t,e){var n=e.datasets[t.datasetIndex].label||"",i=e.datasets[t.datasetIndex].data[t.index];return n+": ("+t.xLabel+", "+t.yLabel+", "+i.r+")"}}}});var Ot=it.extend({dataElementType:kt.Point,_dataElementOptions:["backgroundColor","borderColor","borderWidth","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth","hoverRadius","hitRadius","pointStyle","rotation"],update:function(t){var e=this,n=e.getMeta().data;H.each(n,(function(n,i){e.updateElement(n,i,t)}))},updateElement:function(t,e,n){var i=this,a=i.getMeta(),r=t.custom||{},o=i.getScaleForId(a.xAxisID),s=i.getScaleForId(a.yAxisID),l=i._resolveDataElementOptions(t,e),u=i.getDataset().data[e],d=i.index,h=n?o.getPixelForDecimal(.5):o.getPixelForValue("object"==typeof u?u:NaN,e,d),c=n?s.getBasePixel():s.getPixelForValue(u,e,d);t._xScale=o,t._yScale=s,t._options=l,t._datasetIndex=d,t._index=e,t._model={backgroundColor:l.backgroundColor,borderColor:l.borderColor,borderWidth:l.borderWidth,hitRadius:l.hitRadius,pointStyle:l.pointStyle,rotation:l.rotation,radius:n?0:l.radius,skip:r.skip||isNaN(h)||isNaN(c),x:h,y:c},t.pivot()},setHoverStyle:function(t){var e=t._model,n=t._options,i=H.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth,radius:e.radius},e.backgroundColor=It(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=It(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=It(n.hoverBorderWidth,n.borderWidth),e.radius=n.radius+n.hoverRadius},_resolveDataElementOptions:function(t,e){var n=this,i=n.chart,a=n.getDataset(),r=t.custom||{},o=a.data[e]||{},s=it.prototype._resolveDataElementOptions.apply(n,arguments),l={chart:i,dataIndex:e,dataset:a,datasetIndex:n.index};return n._cachedDataOpts===s&&(s=H.extend({},s)),s.radius=Ft([r.radius,o.r,n._config.radius,i.options.elements.point.radius],l,e),s}}),Lt=H.valueOrDefault,Rt=Math.PI,zt=2*Rt,Nt=Rt/2;N._set("doughnut",{animation:{animateRotate:!0,animateScale:!1},hover:{mode:"single"},legendCallback:function(t){var e,n,i,a=document.createElement("ul"),r=t.data,o=r.datasets,s=r.labels;if(a.setAttribute("class",t.id+"-legend"),o.length)for(e=0,n=o[0].data.length;e<n;++e)(i=a.appendChild(document.createElement("li"))).appendChild(document.createElement("span")).style.backgroundColor=o[0].backgroundColor[e],s[e]&&i.appendChild(document.createTextNode(s[e]));return a.outerHTML},legend:{labels:{generateLabels:function(t){var e=t.data;return e.labels.length&&e.datasets.length?e.labels.map((function(n,i){var a=t.getDatasetMeta(0),r=a.controller.getStyle(i);return{text:n,fillStyle:r.backgroundColor,strokeStyle:r.borderColor,lineWidth:r.borderWidth,hidden:isNaN(e.datasets[0].data[i])||a.data[i].hidden,index:i}})):[]}},onClick:function(t,e){var n,i,a,r=e.index,o=this.chart;for(n=0,i=(o.data.datasets||[]).length;n<i;++n)(a=o.getDatasetMeta(n)).data[r]&&(a.data[r].hidden=!a.data[r].hidden);o.update()}},cutoutPercentage:50,rotation:-Nt,circumference:zt,tooltips:{callbacks:{title:function(){return""},label:function(t,e){var n=e.labels[t.index],i=": "+e.datasets[t.datasetIndex].data[t.index];return H.isArray(n)?(n=n.slice())[0]+=i:n+=i,n}}}});var Bt=it.extend({dataElementType:kt.Arc,linkScales:H.noop,_dataElementOptions:["backgroundColor","borderColor","borderWidth","borderAlign","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth"],getRingIndex:function(t){for(var e=0,n=0;n<t;++n)this.chart.isDatasetVisible(n)&&++e;return e},update:function(t){var e,n,i,a,r=this,o=r.chart,s=o.chartArea,l=o.options,u=1,d=1,h=0,c=0,f=r.getMeta(),g=f.data,p=l.cutoutPercentage/100||0,m=l.circumference,v=r._getRingWeight(r.index);if(m<zt){var b=l.rotation%zt,x=(b+=b>=Rt?-zt:b<-Rt?zt:0)+m,y=Math.cos(b),_=Math.sin(b),k=Math.cos(x),w=Math.sin(x),M=b<=0&&x>=0||x>=zt,S=b<=Nt&&x>=Nt||x>=zt+Nt,C=b<=-Nt&&x>=-Nt||x>=Rt+Nt,P=b===-Rt||x>=Rt?-1:Math.min(y,y*p,k,k*p),A=C?-1:Math.min(_,_*p,w,w*p),D=M?1:Math.max(y,y*p,k,k*p),T=S?1:Math.max(_,_*p,w,w*p);u=(D-P)/2,d=(T-A)/2,h=-(D+P)/2,c=-(T+A)/2}for(i=0,a=g.length;i<a;++i)g[i]._options=r._resolveDataElementOptions(g[i],i);for(o.borderWidth=r.getMaxBorderWidth(),e=(s.right-s.left-o.borderWidth)/u,n=(s.bottom-s.top-o.borderWidth)/d,o.outerRadius=Math.max(Math.min(e,n)/2,0),o.innerRadius=Math.max(o.outerRadius*p,0),o.radiusLength=(o.outerRadius-o.innerRadius)/(r._getVisibleDatasetWeightTotal()||1),o.offsetX=h*o.outerRadius,o.offsetY=c*o.outerRadius,f.total=r.calculateTotal(),r.outerRadius=o.outerRadius-o.radiusLength*r._getRingWeightOffset(r.index),r.innerRadius=Math.max(r.outerRadius-o.radiusLength*v,0),i=0,a=g.length;i<a;++i)r.updateElement(g[i],i,t)},updateElement:function(t,e,n){var i=this,a=i.chart,r=a.chartArea,o=a.options,s=o.animation,l=(r.left+r.right)/2,u=(r.top+r.bottom)/2,d=o.rotation,h=o.rotation,c=i.getDataset(),f=n&&s.animateRotate?0:t.hidden?0:i.calculateCircumference(c.data[e])*(o.circumference/zt),g=n&&s.animateScale?0:i.innerRadius,p=n&&s.animateScale?0:i.outerRadius,m=t._options||{};H.extend(t,{_datasetIndex:i.index,_index:e,_model:{backgroundColor:m.backgroundColor,borderColor:m.borderColor,borderWidth:m.borderWidth,borderAlign:m.borderAlign,x:l+a.offsetX,y:u+a.offsetY,startAngle:d,endAngle:h,circumference:f,outerRadius:p,innerRadius:g,label:H.valueAtIndexOrDefault(c.label,e,a.data.labels[e])}});var v=t._model;n&&s.animateRotate||(v.startAngle=0===e?o.rotation:i.getMeta().data[e-1]._model.endAngle,v.endAngle=v.startAngle+v.circumference),t.pivot()},calculateTotal:function(){var t,e=this.getDataset(),n=this.getMeta(),i=0;return H.each(n.data,(function(n,a){t=e.data[a],isNaN(t)||n.hidden||(i+=Math.abs(t))})),i},calculateCircumference:function(t){var e=this.getMeta().total;return e>0&&!isNaN(t)?zt*(Math.abs(t)/e):0},getMaxBorderWidth:function(t){var e,n,i,a,r,o,s,l,u=0,d=this.chart;if(!t)for(e=0,n=d.data.datasets.length;e<n;++e)if(d.isDatasetVisible(e)){t=(i=d.getDatasetMeta(e)).data,e!==this.index&&(r=i.controller);break}if(!t)return 0;for(e=0,n=t.length;e<n;++e)a=t[e],r?(r._configure(),o=r._resolveDataElementOptions(a,e)):o=a._options,"inner"!==o.borderAlign&&(s=o.borderWidth,u=(l=o.hoverBorderWidth)>(u=s>u?s:u)?l:u);return u},setHoverStyle:function(t){var e=t._model,n=t._options,i=H.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth},e.backgroundColor=Lt(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=Lt(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=Lt(n.hoverBorderWidth,n.borderWidth)},_getRingWeightOffset:function(t){for(var e=0,n=0;n<t;++n)this.chart.isDatasetVisible(n)&&(e+=this._getRingWeight(n));return e},_getRingWeight:function(t){return Math.max(Lt(this.chart.data.datasets[t].weight,1),0)},_getVisibleDatasetWeightTotal:function(){return this._getRingWeightOffset(this.chart.data.datasets.length)}});N._set("horizontalBar",{hover:{mode:"index",axis:"y"},scales:{xAxes:[{type:"linear",position:"bottom"}],yAxes:[{type:"category",position:"left",offset:!0,gridLines:{offsetGridLines:!0}}]},elements:{rectangle:{borderSkipped:"left"}},tooltips:{mode:"index",axis:"y"}}),N._set("global",{datasets:{horizontalBar:{categoryPercentage:.8,barPercentage:.9}}});var Et=Tt.extend({_getValueScaleId:function(){return this.getMeta().xAxisID},_getIndexScaleId:function(){return this.getMeta().yAxisID}}),Wt=H.valueOrDefault,Vt=H.options.resolve,Ht=H.canvas._isPointInArea;function jt(t,e){var n=t&&t.options.ticks||{},i=n.reverse,a=void 0===n.min?e:0,r=void 0===n.max?e:0;return{start:i?r:a,end:i?a:r}}function qt(t,e,n){var i=n/2,a=jt(t,i),r=jt(e,i);return{top:r.end,right:a.end,bottom:r.start,left:a.start}}function Ut(t){var e,n,i,a;return H.isObject(t)?(e=t.top,n=t.right,i=t.bottom,a=t.left):e=n=i=a=t,{top:e,right:n,bottom:i,left:a}}N._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}});var Yt=it.extend({datasetElementType:kt.Line,dataElementType:kt.Point,_datasetElementOptions:["backgroundColor","borderCapStyle","borderColor","borderDash","borderDashOffset","borderJoinStyle","borderWidth","cubicInterpolationMode","fill"],_dataElementOptions:{backgroundColor:"pointBackgroundColor",borderColor:"pointBorderColor",borderWidth:"pointBorderWidth",hitRadius:"pointHitRadius",hoverBackgroundColor:"pointHoverBackgroundColor",hoverBorderColor:"pointHoverBorderColor",hoverBorderWidth:"pointHoverBorderWidth",hoverRadius:"pointHoverRadius",pointStyle:"pointStyle",radius:"pointRadius",rotation:"pointRotation"},update:function(t){var e,n,i=this,a=i.getMeta(),r=a.dataset,o=a.data||[],s=i.chart.options,l=i._config,u=i._showLine=Wt(l.showLine,s.showLines);for(i._xScale=i.getScaleForId(a.xAxisID),i._yScale=i.getScaleForId(a.yAxisID),u&&(void 0!==l.tension&&void 0===l.lineTension&&(l.lineTension=l.tension),r._scale=i._yScale,r._datasetIndex=i.index,r._children=o,r._model=i._resolveDatasetElementOptions(r),r.pivot()),e=0,n=o.length;e<n;++e)i.updateElement(o[e],e,t);for(u&&0!==r._model.tension&&i.updateBezierControlPoints(),e=0,n=o.length;e<n;++e)o[e].pivot()},updateElement:function(t,e,n){var i,a,r=this,o=r.getMeta(),s=t.custom||{},l=r.getDataset(),u=r.index,d=l.data[e],h=r._xScale,c=r._yScale,f=o.dataset._model,g=r._resolveDataElementOptions(t,e);i=h.getPixelForValue("object"==typeof d?d:NaN,e,u),a=n?c.getBasePixel():r.calculatePointY(d,e,u),t._xScale=h,t._yScale=c,t._options=g,t._datasetIndex=u,t._index=e,t._model={x:i,y:a,skip:s.skip||isNaN(i)||isNaN(a),radius:g.radius,pointStyle:g.pointStyle,rotation:g.rotation,backgroundColor:g.backgroundColor,borderColor:g.borderColor,borderWidth:g.borderWidth,tension:Wt(s.tension,f?f.tension:0),steppedLine:!!f&&f.steppedLine,hitRadius:g.hitRadius}},_resolveDatasetElementOptions:function(t){var e=this,n=e._config,i=t.custom||{},a=e.chart.options,r=a.elements.line,o=it.prototype._resolveDatasetElementOptions.apply(e,arguments);return o.spanGaps=Wt(n.spanGaps,a.spanGaps),o.tension=Wt(n.lineTension,r.tension),o.steppedLine=Vt([i.steppedLine,n.steppedLine,r.stepped]),o.clip=Ut(Wt(n.clip,qt(e._xScale,e._yScale,o.borderWidth))),o},calculatePointY:function(t,e,n){var i,a,r,o,s,l,u,d=this.chart,h=this._yScale,c=0,f=0;if(h.options.stacked){for(s=+h.getRightValue(t),u=(l=d._getSortedVisibleDatasetMetas()).length,i=0;i<u&&(r=l[i]).index!==n;++i)a=d.data.datasets[r.index],"line"===r.type&&r.yAxisID===h.id&&((o=+h.getRightValue(a.data[e]))<0?f+=o||0:c+=o||0);return s<0?h.getPixelForValue(f+s):h.getPixelForValue(c+s)}return h.getPixelForValue(t)},updateBezierControlPoints:function(){var t,e,n,i,a=this.chart,r=this.getMeta(),o=r.dataset._model,s=a.chartArea,l=r.data||[];function u(t,e,n){return Math.max(Math.min(t,n),e)}if(o.spanGaps&&(l=l.filter((function(t){return!t._model.skip}))),"monotone"===o.cubicInterpolationMode)H.splineCurveMonotone(l);else for(t=0,e=l.length;t<e;++t)n=l[t]._model,i=H.splineCurve(H.previousItem(l,t)._model,n,H.nextItem(l,t)._model,o.tension),n.controlPointPreviousX=i.previous.x,n.controlPointPreviousY=i.previous.y,n.controlPointNextX=i.next.x,n.controlPointNextY=i.next.y;if(a.options.elements.line.capBezierPoints)for(t=0,e=l.length;t<e;++t)n=l[t]._model,Ht(n,s)&&(t>0&&Ht(l[t-1]._model,s)&&(n.controlPointPreviousX=u(n.controlPointPreviousX,s.left,s.right),n.controlPointPreviousY=u(n.controlPointPreviousY,s.top,s.bottom)),t<l.length-1&&Ht(l[t+1]._model,s)&&(n.controlPointNextX=u(n.controlPointNextX,s.left,s.right),n.controlPointNextY=u(n.controlPointNextY,s.top,s.bottom)))},draw:function(){var t,e=this.chart,n=this.getMeta(),i=n.data||[],a=e.chartArea,r=e.canvas,o=0,s=i.length;for(this._showLine&&(t=n.dataset._model.clip,H.canvas.clipArea(e.ctx,{left:!1===t.left?0:a.left-t.left,right:!1===t.right?r.width:a.right+t.right,top:!1===t.top?0:a.top-t.top,bottom:!1===t.bottom?r.height:a.bottom+t.bottom}),n.dataset.draw(),H.canvas.unclipArea(e.ctx));o<s;++o)i[o].draw(a)},setHoverStyle:function(t){var e=t._model,n=t._options,i=H.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth,radius:e.radius},e.backgroundColor=Wt(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=Wt(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=Wt(n.hoverBorderWidth,n.borderWidth),e.radius=Wt(n.hoverRadius,n.radius)}}),Gt=H.options.resolve;N._set("polarArea",{scale:{type:"radialLinear",angleLines:{display:!1},gridLines:{circular:!0},pointLabels:{display:!1},ticks:{beginAtZero:!0}},animation:{animateRotate:!0,animateScale:!0},startAngle:-.5*Math.PI,legendCallback:function(t){var e,n,i,a=document.createElement("ul"),r=t.data,o=r.datasets,s=r.labels;if(a.setAttribute("class",t.id+"-legend"),o.length)for(e=0,n=o[0].data.length;e<n;++e)(i=a.appendChild(document.createElement("li"))).appendChild(document.createElement("span")).style.backgroundColor=o[0].backgroundColor[e],s[e]&&i.appendChild(document.createTextNode(s[e]));return a.outerHTML},legend:{labels:{generateLabels:function(t){var e=t.data;return e.labels.length&&e.datasets.length?e.labels.map((function(n,i){var a=t.getDatasetMeta(0),r=a.controller.getStyle(i);return{text:n,fillStyle:r.backgroundColor,strokeStyle:r.borderColor,lineWidth:r.borderWidth,hidden:isNaN(e.datasets[0].data[i])||a.data[i].hidden,index:i}})):[]}},onClick:function(t,e){var n,i,a,r=e.index,o=this.chart;for(n=0,i=(o.data.datasets||[]).length;n<i;++n)(a=o.getDatasetMeta(n)).data[r].hidden=!a.data[r].hidden;o.update()}},tooltips:{callbacks:{title:function(){return""},label:function(t,e){return e.labels[t.index]+": "+t.yLabel}}}});var Xt=it.extend({dataElementType:kt.Arc,linkScales:H.noop,_dataElementOptions:["backgroundColor","borderColor","borderWidth","borderAlign","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth"],_getIndexScaleId:function(){return this.chart.scale.id},_getValueScaleId:function(){return this.chart.scale.id},update:function(t){var e,n,i,a=this,r=a.getDataset(),o=a.getMeta(),s=a.chart.options.startAngle||0,l=a._starts=[],u=a._angles=[],d=o.data;for(a._updateRadius(),o.count=a.countVisibleElements(),e=0,n=r.data.length;e<n;e++)l[e]=s,i=a._computeAngle(e),u[e]=i,s+=i;for(e=0,n=d.length;e<n;++e)d[e]._options=a._resolveDataElementOptions(d[e],e),a.updateElement(d[e],e,t)},_updateRadius:function(){var t=this,e=t.chart,n=e.chartArea,i=e.options,a=Math.min(n.right-n.left,n.bottom-n.top);e.outerRadius=Math.max(a/2,0),e.innerRadius=Math.max(i.cutoutPercentage?e.outerRadius/100*i.cutoutPercentage:1,0),e.radiusLength=(e.outerRadius-e.innerRadius)/e.getVisibleDatasetCount(),t.outerRadius=e.outerRadius-e.radiusLength*t.index,t.innerRadius=t.outerRadius-e.radiusLength},updateElement:function(t,e,n){var i=this,a=i.chart,r=i.getDataset(),o=a.options,s=o.animation,l=a.scale,u=a.data.labels,d=l.xCenter,h=l.yCenter,c=o.startAngle,f=t.hidden?0:l.getDistanceFromCenterForValue(r.data[e]),g=i._starts[e],p=g+(t.hidden?0:i._angles[e]),m=s.animateScale?0:l.getDistanceFromCenterForValue(r.data[e]),v=t._options||{};H.extend(t,{_datasetIndex:i.index,_index:e,_scale:l,_model:{backgroundColor:v.backgroundColor,borderColor:v.borderColor,borderWidth:v.borderWidth,borderAlign:v.borderAlign,x:d,y:h,innerRadius:0,outerRadius:n?m:f,startAngle:n&&s.animateRotate?c:g,endAngle:n&&s.animateRotate?c:p,label:H.valueAtIndexOrDefault(u,e,u[e])}}),t.pivot()},countVisibleElements:function(){var t=this.getDataset(),e=this.getMeta(),n=0;return H.each(e.data,(function(e,i){isNaN(t.data[i])||e.hidden||n++})),n},setHoverStyle:function(t){var e=t._model,n=t._options,i=H.getHoverColor,a=H.valueOrDefault;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth},e.backgroundColor=a(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=a(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=a(n.hoverBorderWidth,n.borderWidth)},_computeAngle:function(t){var e=this,n=this.getMeta().count,i=e.getDataset(),a=e.getMeta();if(isNaN(i.data[t])||a.data[t].hidden)return 0;var r={chart:e.chart,dataIndex:t,dataset:i,datasetIndex:e.index};return Gt([e.chart.options.elements.arc.angle,2*Math.PI/n],r,t)}});N._set("pie",H.clone(N.doughnut)),N._set("pie",{cutoutPercentage:0});var Kt=Bt,Zt=H.valueOrDefault;N._set("radar",{spanGaps:!1,scale:{type:"radialLinear"},elements:{line:{fill:"start",tension:0}}});var $t=it.extend({datasetElementType:kt.Line,dataElementType:kt.Point,linkScales:H.noop,_datasetElementOptions:["backgroundColor","borderWidth","borderColor","borderCapStyle","borderDash","borderDashOffset","borderJoinStyle","fill"],_dataElementOptions:{backgroundColor:"pointBackgroundColor",borderColor:"pointBorderColor",borderWidth:"pointBorderWidth",hitRadius:"pointHitRadius",hoverBackgroundColor:"pointHoverBackgroundColor",hoverBorderColor:"pointHoverBorderColor",hoverBorderWidth:"pointHoverBorderWidth",hoverRadius:"pointHoverRadius",pointStyle:"pointStyle",radius:"pointRadius",rotation:"pointRotation"},_getIndexScaleId:function(){return this.chart.scale.id},_getValueScaleId:function(){return this.chart.scale.id},update:function(t){var e,n,i=this,a=i.getMeta(),r=a.dataset,o=a.data||[],s=i.chart.scale,l=i._config;for(void 0!==l.tension&&void 0===l.lineTension&&(l.lineTension=l.tension),r._scale=s,r._datasetIndex=i.index,r._children=o,r._loop=!0,r._model=i._resolveDatasetElementOptions(r),r.pivot(),e=0,n=o.length;e<n;++e)i.updateElement(o[e],e,t);for(i.updateBezierControlPoints(),e=0,n=o.length;e<n;++e)o[e].pivot()},updateElement:function(t,e,n){var i=this,a=t.custom||{},r=i.getDataset(),o=i.chart.scale,s=o.getPointPositionForValue(e,r.data[e]),l=i._resolveDataElementOptions(t,e),u=i.getMeta().dataset._model,d=n?o.xCenter:s.x,h=n?o.yCenter:s.y;t._scale=o,t._options=l,t._datasetIndex=i.index,t._index=e,t._model={x:d,y:h,skip:a.skip||isNaN(d)||isNaN(h),radius:l.radius,pointStyle:l.pointStyle,rotation:l.rotation,backgroundColor:l.backgroundColor,borderColor:l.borderColor,borderWidth:l.borderWidth,tension:Zt(a.tension,u?u.tension:0),hitRadius:l.hitRadius}},_resolveDatasetElementOptions:function(){var t=this,e=t._config,n=t.chart.options,i=it.prototype._resolveDatasetElementOptions.apply(t,arguments);return i.spanGaps=Zt(e.spanGaps,n.spanGaps),i.tension=Zt(e.lineTension,n.elements.line.tension),i},updateBezierControlPoints:function(){var t,e,n,i,a=this.getMeta(),r=this.chart.chartArea,o=a.data||[];function s(t,e,n){return Math.max(Math.min(t,n),e)}for(a.dataset._model.spanGaps&&(o=o.filter((function(t){return!t._model.skip}))),t=0,e=o.length;t<e;++t)n=o[t]._model,i=H.splineCurve(H.previousItem(o,t,!0)._model,n,H.nextItem(o,t,!0)._model,n.tension),n.controlPointPreviousX=s(i.previous.x,r.left,r.right),n.controlPointPreviousY=s(i.previous.y,r.top,r.bottom),n.controlPointNextX=s(i.next.x,r.left,r.right),n.controlPointNextY=s(i.next.y,r.top,r.bottom)},setHoverStyle:function(t){var e=t._model,n=t._options,i=H.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth,radius:e.radius},e.backgroundColor=Zt(n.hoverBackgroundColor,i(n.backgroundColor)),e.borderColor=Zt(n.hoverBorderColor,i(n.borderColor)),e.borderWidth=Zt(n.hoverBorderWidth,n.borderWidth),e.radius=Zt(n.hoverRadius,n.radius)}});N._set("scatter",{hover:{mode:"single"},scales:{xAxes:[{id:"x-axis-1",type:"linear",position:"bottom"}],yAxes:[{id:"y-axis-1",type:"linear",position:"left"}]},tooltips:{callbacks:{title:function(){return""},label:function(t){return"("+t.xLabel+", "+t.yLabel+")"}}}}),N._set("global",{datasets:{scatter:{showLine:!1}}});var Jt={bar:Tt,bubble:Ot,doughnut:Bt,horizontalBar:Et,line:Yt,polarArea:Xt,pie:Kt,radar:$t,scatter:Yt};function Qt(t,e){return t.native?{x:t.x,y:t.y}:H.getRelativePosition(t,e)}function te(t,e){var n,i,a,r,o,s,l=t._getSortedVisibleDatasetMetas();for(i=0,r=l.length;i<r;++i)for(a=0,o=(n=l[i].data).length;a<o;++a)(s=n[a])._view.skip||e(s)}function ee(t,e){var n=[];return te(t,(function(t){t.inRange(e.x,e.y)&&n.push(t)})),n}function ne(t,e,n,i){var a=Number.POSITIVE_INFINITY,r=[];return te(t,(function(t){if(!n||t.inRange(e.x,e.y)){var o=t.getCenterPoint(),s=i(e,o);s<a?(r=[t],a=s):s===a&&r.push(t)}})),r}function ie(t){var e=-1!==t.indexOf("x"),n=-1!==t.indexOf("y");return function(t,i){var a=e?Math.abs(t.x-i.x):0,r=n?Math.abs(t.y-i.y):0;return Math.sqrt(Math.pow(a,2)+Math.pow(r,2))}}function ae(t,e,n){var i=Qt(e,t);n.axis=n.axis||"x";var a=ie(n.axis),r=n.intersect?ee(t,i):ne(t,i,!1,a),o=[];return r.length?(t._getSortedVisibleDatasetMetas().forEach((function(t){var e=t.data[r[0]._index];e&&!e._view.skip&&o.push(e)})),o):[]}var re={modes:{single:function(t,e){var n=Qt(e,t),i=[];return te(t,(function(t){if(t.inRange(n.x,n.y))return 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i,a,r,o,s,l,u=n.caretSize,d=n.cornerRadius,h=n.xAlign,c=n.yAlign,f=t.x,g=t.y,p=e.width,m=e.height;if("center"===c)s=g+m/2,"left"===h?(a=(i=f)-u,r=i,o=s+u,l=s-u):(a=(i=f+p)+u,r=i,o=s-u,l=s+u);else if("left"===h?(i=(a=f+d+u)-u,r=a+u):"right"===h?(i=(a=f+p-d-u)-u,r=a+u):(i=(a=n.caretX)-u,r=a+u),"top"===c)s=(o=g)-u,l=o;else{s=(o=g+m)+u,l=o;var v=r;r=i,i=v}return{x1:i,x2:a,x3:r,y1:o,y2:s,y3:l}},drawTitle:function(t,e,n){var i,a,r,o=e.title,s=o.length;if(s){var l=Ne(e.rtl,e.x,e.width);for(t.x=He(e,e._titleAlign),n.textAlign=l.textAlign(e._titleAlign),n.textBaseline="middle",i=e.titleFontSize,a=e.titleSpacing,n.fillStyle=e.titleFontColor,n.font=H.fontString(i,e._titleFontStyle,e._titleFontFamily),r=0;r<s;++r)n.fillText(o[r],l.x(t.x),t.y+i/2),t.y+=i+a,r+1===s&&(t.y+=e.titleMarginBottom-a)}},drawBody:function(t,e,n){var i,a,r,o,s,l,u,d,h=e.bodyFontSize,c=e.bodySpacing,f=e._bodyAlign,g=e.body,p=e.displayColors,m=0,v=p?He(e,"left"):0,b=Ne(e.rtl,e.x,e.width),x=function(e){n.fillText(e,b.x(t.x+m),t.y+h/2),t.y+=h+c},y=b.textAlign(f);for(n.textAlign=f,n.textBaseline="middle",n.font=H.fontString(h,e._bodyFontStyle,e._bodyFontFamily),t.x=He(e,y),n.fillStyle=e.bodyFontColor,H.each(e.beforeBody,x),m=p&&"right"!==y?"center"===f?h/2+1:h+2:0,s=0,u=g.length;s<u;++s){for(i=g[s],a=e.labelTextColors[s],r=e.labelColors[s],n.fillStyle=a,H.each(i.before,x),l=0,d=(o=i.lines).length;l<d;++l){if(p){var _=b.x(v);n.fillStyle=e.legendColorBackground,n.fillRect(b.leftForLtr(_,h),t.y,h,h),n.lineWidth=1,n.strokeStyle=r.borderColor,n.strokeRect(b.leftForLtr(_,h),t.y,h,h),n.fillStyle=r.backgroundColor,n.fillRect(b.leftForLtr(b.xPlus(_,1),h-2),t.y+1,h-2,h-2),n.fillStyle=a}x(o[l])}H.each(i.after,x)}m=0,H.each(e.afterBody,x),t.y-=c},drawFooter:function(t,e,n){var i,a,r=e.footer,o=r.length;if(o){var s=Ne(e.rtl,e.x,e.width);for(t.x=He(e,e._footerAlign),t.y+=e.footerMarginTop,n.textAlign=s.textAlign(e._footerAlign),n.textBaseline="middle",i=e.footerFontSize,n.fillStyle=e.footerFontColor,n.font=H.fontString(i,e._footerFontStyle,e._footerFontFamily),a=0;a<o;++a)n.fillText(r[a],s.x(t.x),t.y+i/2),t.y+=i+e.footerSpacing}},drawBackground:function(t,e,n,i){n.fillStyle=e.backgroundColor,n.strokeStyle=e.borderColor,n.lineWidth=e.borderWidth;var a=e.xAlign,r=e.yAlign,o=t.x,s=t.y,l=i.width,u=i.height,d=e.cornerRadius;n.beginPath(),n.moveTo(o+d,s),"top"===r&&this.drawCaret(t,i),n.lineTo(o+l-d,s),n.quadraticCurveTo(o+l,s,o+l,s+d),"center"===r&&"right"===a&&this.drawCaret(t,i),n.lineTo(o+l,s+u-d),n.quadraticCurveTo(o+l,s+u,o+l-d,s+u),"bottom"===r&&this.drawCaret(t,i),n.lineTo(o+d,s+u),n.quadraticCurveTo(o,s+u,o,s+u-d),"center"===r&&"left"===a&&this.drawCaret(t,i),n.lineTo(o,s+d),n.quadraticCurveTo(o,s,o+d,s),n.closePath(),n.fill(),e.borderWidth>0&&n.stroke()},draw:function(){var t=this._chart.ctx,e=this._view;if(0!==e.opacity){var n={width:e.width,height:e.height},i={x:e.x,y:e.y},a=Math.abs(e.opacity<.001)?0:e.opacity,r=e.title.length||e.beforeBody.length||e.body.length||e.afterBody.length||e.footer.length;this._options.enabled&&r&&(t.save(),t.globalAlpha=a,this.drawBackground(i,e,t,n),i.y+=e.yPadding,H.rtl.overrideTextDirection(t,e.textDirection),this.drawTitle(i,e,t),this.drawBody(i,e,t),this.drawFooter(i,e,t),H.rtl.restoreTextDirection(t,e.textDirection),t.restore())}},handleEvent:function(t){var e,n=this,i=n._options;return n._lastActive=n._lastActive||[],"mouseout"===t.type?n._active=[]:(n._active=n._chart.getElementsAtEventForMode(t,i.mode,i),i.reverse&&n._active.reverse()),(e=!H.arrayEquals(n._active,n._lastActive))&&(n._lastActive=n._active,(i.enabled||i.custom)&&(n._eventPosition={x:t.x,y:t.y},n.update(!0),n.pivot())),e}}),Ue=Be,Ye=qe;Ye.positioners=Ue;var Ge=H.valueOrDefault;function Xe(){return H.merge(Object.create(null),[].slice.call(arguments),{merger:function(t,e,n,i){if("xAxes"===t||"yAxes"===t){var a,r,o,s=n[t].length;for(e[t]||(e[t]=[]),a=0;a<s;++a)o=n[t][a],r=Ge(o.type,"xAxes"===t?"category":"linear"),a>=e[t].length&&e[t].push({}),!e[t][a].type||o.type&&o.type!==e[t][a].type?H.merge(e[t][a],[Re.getScaleDefaults(r),o]):H.merge(e[t][a],o)}else H._merger(t,e,n,i)}})}function Ke(){return H.merge(Object.create(null),[].slice.call(arguments),{merger:function(t,e,n,i){var a=e[t]||Object.create(null),r=n[t];"scales"===t?e[t]=Xe(a,r):"scale"===t?e[t]=H.merge(a,[Re.getScaleDefaults(r.type),r]):H._merger(t,e,n,i)}})}function Ze(t){var e=t.options;H.each(t.scales,(function(e){pe.removeBox(t,e)})),e=Ke(N.global,N[t.config.type],e),t.options=t.config.options=e,t.ensureScalesHaveIDs(),t.buildOrUpdateScales(),t.tooltip._options=e.tooltips,t.tooltip.initialize()}function $e(t,e,n){var i,a=function(t){return t.id===i};do{i=e+n++}while(H.findIndex(t,a)>=0);return i}function 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s={width:r,height:o};Le.notify(e,"resize",[s]),n.onResize&&n.onResize(e,s),e.stop(),e.update({duration:n.responsiveAnimationDuration})}},ensureScalesHaveIDs:function(){var t=this.options,e=t.scales||{},n=t.scale;H.each(e.xAxes,(function(t,n){t.id||(t.id=$e(e.xAxes,"x-axis-",n))})),H.each(e.yAxes,(function(t,n){t.id||(t.id=$e(e.yAxes,"y-axis-",n))})),n&&(n.id=n.id||"scale")},buildOrUpdateScales:function(){var t=this,e=t.options,n=t.scales||{},i=[],a=Object.keys(n).reduce((function(t,e){return t[e]=!1,t}),{});e.scales&&(i=i.concat((e.scales.xAxes||[]).map((function(t){return{options:t,dtype:"category",dposition:"bottom"}})),(e.scales.yAxes||[]).map((function(t){return{options:t,dtype:"linear",dposition:"left"}})))),e.scale&&i.push({options:e.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),H.each(i,(function(e){var i=e.options,r=i.id,o=Ge(i.type,e.dtype);Je(i.position)!==Je(e.dposition)&&(i.position=e.dposition),a[r]=!0;var s=null;if(r in 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e,n,i=this;if(t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]}),Ze(i),Le._invalidate(i),!1!==Le.notify(i,"beforeUpdate")){i.tooltip._data=i.data;var a=i.buildOrUpdateControllers();for(e=0,n=i.data.datasets.length;e<n;e++)i.getDatasetMeta(e).controller.buildOrUpdateElements();i.updateLayout(),i.options.animation&&i.options.animation.duration&&H.each(a,(function(t){t.reset()})),i.updateDatasets(),i.tooltip.initialize(),i.lastActive=[],Le.notify(i,"afterUpdate"),i._layers.sort(Qe("z","_idx")),i._bufferedRender?i._bufferedRequest={duration:t.duration,easing:t.easing,lazy:t.lazy}:i.render(t)}},updateLayout:function(){var t=this;!1!==Le.notify(t,"beforeLayout")&&(pe.update(this,this.width,this.height),t._layers=[],H.each(t.boxes,(function(e){e._configure&&e._configure(),t._layers.push.apply(t._layers,e._layers())}),t),t._layers.forEach((function(t,e){t._idx=e})),Le.notify(t,"afterScaleUpdate"),Le.notify(t,"afterLayout"))},updateDatasets:function(){if(!1!==Le.notify(this,"beforeDatasetsUpdate")){for(var t=0,e=this.data.datasets.length;t<e;++t)this.updateDataset(t);Le.notify(this,"afterDatasetsUpdate")}},updateDataset:function(t){var e=this.getDatasetMeta(t),n={meta:e,index:t};!1!==Le.notify(this,"beforeDatasetUpdate",[n])&&(e.controller._update(),Le.notify(this,"afterDatasetUpdate",[n]))},render:function(t){var e=this;t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]});var n=e.options.animation,i=Ge(t.duration,n&&n.duration),a=t.lazy;if(!1!==Le.notify(e,"beforeRender")){var r=function(t){Le.notify(e,"afterRender"),H.callback(n&&n.onComplete,[t],e)};if(n&&i){var o=new 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i.sort(Qe("order","index")),i},_getSortedVisibleDatasetMetas:function(){return this._getSortedDatasetMetas(!0)},drawDatasets:function(t){var e,n;if(!1!==Le.notify(this,"beforeDatasetsDraw",[t])){for(n=(e=this._getSortedVisibleDatasetMetas()).length-1;n>=0;--n)this.drawDataset(e[n],t);Le.notify(this,"afterDatasetsDraw",[t])}},drawDataset:function(t,e){var n={meta:t,index:t.index,easingValue:e};!1!==Le.notify(this,"beforeDatasetDraw",[n])&&(t.controller.draw(e),Le.notify(this,"afterDatasetDraw",[n]))},_drawTooltip:function(t){var e=this.tooltip,n={tooltip:e,easingValue:t};!1!==Le.notify(this,"beforeTooltipDraw",[n])&&(e.draw(),Le.notify(this,"afterTooltipDraw",[n]))},getElementAtEvent:function(t){return re.modes.single(this,t)},getElementsAtEvent:function(t){return re.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function(t){return re.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function(t,e,n){var i=re.modes[e];return"function"==typeof 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t,e,n=this,i=n.canvas;for(n.stop(),t=0,e=n.data.datasets.length;t<e;++t)n.destroyDatasetMeta(t);i&&(n.unbindEvents(),H.canvas.clear(n),Oe.releaseContext(n.ctx),n.canvas=null,n.ctx=null),Le.notify(n,"destroy"),delete tn.instances[n.id]},toBase64Image:function(){return this.canvas.toDataURL.apply(this.canvas,arguments)},initToolTip:function(){var t=this;t.tooltip=new Ye({_chart:t,_chartInstance:t,_data:t.data,_options:t.options.tooltips},t)},bindEvents:function(){var t=this,e=t._listeners={},n=function(){t.eventHandler.apply(t,arguments)};H.each(t.options.events,(function(i){Oe.addEventListener(t,i,n),e[i]=n})),t.options.responsive&&(n=function(){t.resize()},Oe.addEventListener(t,"resize",n),e.resize=n)},unbindEvents:function(){var t=this,e=t._listeners;e&&(delete t._listeners,H.each(e,(function(e,n){Oe.removeEventListener(t,n,e)})))},updateHoverStyle:function(t,e,n){var i,a,r,o=n?"set":"remove";for(a=0,r=t.length;a<r;++a)(i=t[a])&&this.getDatasetMeta(i._datasetIndex).controller[o+"HoverStyle"](i);"dataset"===e&&this.getDatasetMeta(t[0]._datasetIndex).controller["_"+o+"DatasetHoverStyle"]()},eventHandler:function(t){var e=this,n=e.tooltip;if(!1!==Le.notify(e,"beforeEvent",[t])){e._bufferedRender=!0,e._bufferedRequest=null;var i=e.handleEvent(t);n&&(i=n._start?n.handleEvent(t):i|n.handleEvent(t)),Le.notify(e,"afterEvent",[t]);var a=e._bufferedRequest;return a?e.render(a):i&&!e.animating&&(e.stop(),e.render({duration:e.options.hover.animationDuration,lazy:!0})),e._bufferedRender=!1,e._bufferedRequest=null,e}},handleEvent:function(t){var e,n=this,i=n.options||{},a=i.hover;return n.lastActive=n.lastActive||[],"mouseout"===t.type?n.active=[]:n.active=n.getElementsAtEventForMode(t,a.mode,a),H.callback(i.onHover||i.hover.onHover,[t.native,n.active],n),"mouseup"!==t.type&&"click"!==t.type||i.onClick&&i.onClick.call(n,t.native,n.active),n.lastActive.length&&n.updateHoverStyle(n.lastActive,a.mode,!1),n.active.length&&a.mode&&n.updateHoverStyle(n.active,a.mode,!0),e=!H.arrayEquals(n.active,n.lastActive),n.lastActive=n.active,e}}),tn.instances={};var en=tn;tn.Controller=tn,tn.types={},H.configMerge=Ke,H.scaleMerge=Xe;function nn(){throw new Error("This method is not implemented: either no adapter can be found or an incomplete integration was provided.")}function an(t){this.options=t||{}}H.extend(an.prototype,{formats:nn,parse:nn,format:nn,add:nn,diff:nn,startOf:nn,endOf:nn,_create:function(t){return t}}),an.override=function(t){H.extend(an.prototype,t)};var rn={_date:an},on={formatters:{values:function(t){return H.isArray(t)?t:""+t},linear:function(t,e,n){var i=n.length>3?n[2]-n[1]:n[1]-n[0];Math.abs(i)>1&&t!==Math.floor(t)&&(i=t-Math.floor(t));var a=H.log10(Math.abs(i)),r="";if(0!==t)if(Math.max(Math.abs(n[0]),Math.abs(n[n.length-1]))<1e-4){var o=H.log10(Math.abs(t)),s=Math.floor(o)-Math.floor(a);s=Math.max(Math.min(s,20),0),r=t.toExponential(s)}else{var l=-1*Math.floor(a);l=Math.max(Math.min(l,20),0),r=t.toFixed(l)}else r="0";return r},logarithmic:function(t,e,n){var i=t/Math.pow(10,Math.floor(H.log10(t)));return 0===t?"0":1===i||2===i||5===i||0===e||e===n.length-1?t.toExponential():""}}},sn=H.isArray,ln=H.isNullOrUndef,un=H.valueOrDefault,dn=H.valueAtIndexOrDefault;function hn(t,e,n){var i,a=t.getTicks().length,r=Math.min(e,a-1),o=t.getPixelForTick(r),s=t._startPixel,l=t._endPixel;if(!(n&&(i=1===a?Math.max(o-s,l-o):0===e?(t.getPixelForTick(1)-o)/2:(o-t.getPixelForTick(r-1))/2,(o+=r<e?i:-i)<s-1e-6||o>l+1e-6)))return o}function cn(t,e,n,i){var a,r,o,s,l,u,d,h,c,f,g,p,m,v=n.length,b=[],x=[],y=[],_=0,k=0;for(a=0;a<v;++a){if(s=n[a].label,l=n[a].major?e.major:e.minor,t.font=u=l.string,d=i[u]=i[u]||{data:{},gc:[]},h=l.lineHeight,c=f=0,ln(s)||sn(s)){if(sn(s))for(r=0,o=s.length;r<o;++r)g=s[r],ln(g)||sn(g)||(c=H.measureText(t,d.data,d.gc,c,g),f+=h)}else c=H.measureText(t,d.data,d.gc,c,s),f=h;b.push(c),x.push(f),y.push(h/2),_=Math.max(c,_),k=Math.max(f,k)}function w(t){return{width:b[t]||0,height:x[t]||0,offset:y[t]||0}}return function(t,e){H.each(t,(function(t){var n,i=t.gc,a=i.length/2;if(a>e){for(n=0;n<a;++n)delete t.data[i[n]];i.splice(0,a)}}))}(i,v),p=b.indexOf(_),m=x.indexOf(k),{first:w(0),last:w(v-1),widest:w(p),highest:w(m)}}function fn(t){return t.drawTicks?t.tickMarkLength:0}function gn(t){var e,n;return t.display?(e=H.options._parseFont(t),n=H.options.toPadding(t.padding),e.lineHeight+n.height):0}function pn(t,e){return H.extend(H.options._parseFont({fontFamily:un(e.fontFamily,t.fontFamily),fontSize:un(e.fontSize,t.fontSize),fontStyle:un(e.fontStyle,t.fontStyle),lineHeight:un(e.lineHeight,t.lineHeight)}),{color:H.options.resolve([e.fontColor,t.fontColor,N.global.defaultFontColor])})}function mn(t){var e=pn(t,t.minor);return{minor:e,major:t.major.enabled?pn(t,t.major):e}}function vn(t){var e,n,i,a=[];for(n=0,i=t.length;n<i;++n)void 0!==(e=t[n])._index&&a.push(e);return a}function bn(t,e,n,i){var a,r,o,s,l=un(n,0),u=Math.min(un(i,t.length),t.length),d=0;for(e=Math.ceil(e),i&&(e=(a=i-n)/Math.floor(a/e)),s=l;s<0;)d++,s=Math.round(l+d*e);for(r=Math.max(l,0);r<u;r++)o=t[r],r===s?(o._index=r,d++,s=Math.round(l+d*e)):delete o.label}N._set("scale",{display:!0,position:"left",offset:!1,gridLines:{display:!0,color:"rgba(0,0,0,0.1)",lineWidth:1,drawBorder:!0,drawOnChartArea:!0,drawTicks:!0,tickMarkLength:10,zeroLineWidth:1,zeroLineColor:"rgba(0,0,0,0.25)",zeroLineBorderDash:[],zeroLineBorderDashOffset:0,offsetGridLines:!1,borderDash:[],borderDashOffset:0},scaleLabel:{display:!1,labelString:"",padding:{top:4,bottom:4}},ticks:{beginAtZero:!1,minRotation:0,maxRotation:50,mirror:!1,padding:0,reverse:!1,display:!0,autoSkip:!0,autoSkipPadding:0,labelOffset:0,callback:on.formatters.values,minor:{},major:{}}});var xn=K.extend({zeroLineIndex:0,getPadding:function(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}},getTicks:function(){return this._ticks},_getLabels:function(){var t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]},mergeTicksOptions:function(){},beforeUpdate:function(){H.callback(this.options.beforeUpdate,[this])},update:function(t,e,n){var i,a,r,o,s,l=this,u=l.options.ticks,d=u.sampleSize;if(l.beforeUpdate(),l.maxWidth=t,l.maxHeight=e,l.margins=H.extend({left:0,right:0,top:0,bottom:0},n),l._ticks=null,l.ticks=null,l._labelSizes=null,l._maxLabelLines=0,l.longestLabelWidth=0,l.longestTextCache=l.longestTextCache||{},l._gridLineItems=null,l._labelItems=null,l.beforeSetDimensions(),l.setDimensions(),l.afterSetDimensions(),l.beforeDataLimits(),l.determineDataLimits(),l.afterDataLimits(),l.beforeBuildTicks(),o=l.buildTicks()||[],(!(o=l.afterBuildTicks(o)||o)||!o.length)&&l.ticks)for(o=[],i=0,a=l.ticks.length;i<a;++i)o.push({value:l.ticks[i],major:!1});return l._ticks=o,s=d<o.length,r=l._convertTicksToLabels(s?function(t,e){for(var n=[],i=t.length/e,a=0,r=t.length;a<r;a+=i)n.push(t[Math.floor(a)]);return n}(o,d):o),l._configure(),l.beforeCalculateTickRotation(),l.calculateTickRotation(),l.afterCalculateTickRotation(),l.beforeFit(),l.fit(),l.afterFit(),l._ticksToDraw=u.display&&(u.autoSkip||"auto"===u.source)?l._autoSkip(o):o,s&&(r=l._convertTicksToLabels(l._ticksToDraw)),l.ticks=r,l.afterUpdate(),l.minSize},_configure:function(){var t,e,n=this,i=n.options.ticks.reverse;n.isHorizontal()?(t=n.left,e=n.right):(t=n.top,e=n.bottom,i=!i),n._startPixel=t,n._endPixel=e,n._reversePixels=i,n._length=e-t},afterUpdate:function(){H.callback(this.options.afterUpdate,[this])},beforeSetDimensions:function(){H.callback(this.options.beforeSetDimensions,[this])},setDimensions:function(){var t=this;t.isHorizontal()?(t.width=t.maxWidth,t.left=0,t.right=t.width):(t.height=t.maxHeight,t.top=0,t.bottom=t.height),t.paddingLeft=0,t.paddingTop=0,t.paddingRight=0,t.paddingBottom=0},afterSetDimensions:function(){H.callback(this.options.afterSetDimensions,[this])},beforeDataLimits:function(){H.callback(this.options.beforeDataLimits,[this])},determineDataLimits:H.noop,afterDataLimits:function(){H.callback(this.options.afterDataLimits,[this])},beforeBuildTicks:function(){H.callback(this.options.beforeBuildTicks,[this])},buildTicks:H.noop,afterBuildTicks:function(t){var e=this;return sn(t)&&t.length?H.callback(e.options.afterBuildTicks,[e,t]):(e.ticks=H.callback(e.options.afterBuildTicks,[e,e.ticks])||e.ticks,t)},beforeTickToLabelConversion:function(){H.callback(this.options.beforeTickToLabelConversion,[this])},convertTicksToLabels:function(){var t=this.options.ticks;this.ticks=this.ticks.map(t.userCallback||t.callback,this)},afterTickToLabelConversion:function(){H.callback(this.options.afterTickToLabelConversion,[this])},beforeCalculateTickRotation:function(){H.callback(this.options.beforeCalculateTickRotation,[this])},calculateTickRotation:function(){var t,e,n,i,a,r,o,s=this,l=s.options,u=l.ticks,d=s.getTicks().length,h=u.minRotation||0,c=u.maxRotation,f=h;!s._isVisible()||!u.display||h>=c||d<=1||!s.isHorizontal()?s.labelRotation=h:(e=(t=s._getLabelSizes()).widest.width,n=t.highest.height-t.highest.offset,i=Math.min(s.maxWidth,s.chart.width-e),e+6>(a=l.offset?s.maxWidth/d:i/(d-1))&&(a=i/(d-(l.offset?.5:1)),r=s.maxHeight-fn(l.gridLines)-u.padding-gn(l.scaleLabel),o=Math.sqrt(e*e+n*n),f=H.toDegrees(Math.min(Math.asin(Math.min((t.highest.height+6)/a,1)),Math.asin(Math.min(r/o,1))-Math.asin(n/o))),f=Math.max(h,Math.min(c,f))),s.labelRotation=f)},afterCalculateTickRotation:function(){H.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){H.callback(this.options.beforeFit,[this])},fit:function(){var t=this,e=t.minSize={width:0,height:0},n=t.chart,i=t.options,a=i.ticks,r=i.scaleLabel,o=i.gridLines,s=t._isVisible(),l="bottom"===i.position,u=t.isHorizontal();if(u?e.width=t.maxWidth:s&&(e.width=fn(o)+gn(r)),u?s&&(e.height=fn(o)+gn(r)):e.height=t.maxHeight,a.display&&s){var d=mn(a),h=t._getLabelSizes(),c=h.first,f=h.last,g=h.widest,p=h.highest,m=.4*d.minor.lineHeight,v=a.padding;if(u){var b=0!==t.labelRotation,x=H.toRadians(t.labelRotation),y=Math.cos(x),_=Math.sin(x),k=_*g.width+y*(p.height-(b?p.offset:0))+(b?0:m);e.height=Math.min(t.maxHeight,e.height+k+v);var w,M,S=t.getPixelForTick(0)-t.left,C=t.right-t.getPixelForTick(t.getTicks().length-1);b?(w=l?y*c.width+_*c.offset:_*(c.height-c.offset),M=l?_*(f.height-f.offset):y*f.width+_*f.offset):(w=c.width/2,M=f.width/2),t.paddingLeft=Math.max((w-S)*t.width/(t.width-S),0)+3,t.paddingRight=Math.max((M-C)*t.width/(t.width-C),0)+3}else{var P=a.mirror?0:g.width+v+m;e.width=Math.min(t.maxWidth,e.width+P),t.paddingTop=c.height/2,t.paddingBottom=f.height/2}}t.handleMargins(),u?(t.width=t._length=n.width-t.margins.left-t.margins.right,t.height=e.height):(t.width=e.width,t.height=t._length=n.height-t.margins.top-t.margins.bottom)},handleMargins:function(){var t=this;t.margins&&(t.margins.left=Math.max(t.paddingLeft,t.margins.left),t.margins.top=Math.max(t.paddingTop,t.margins.top),t.margins.right=Math.max(t.paddingRight,t.margins.right),t.margins.bottom=Math.max(t.paddingBottom,t.margins.bottom))},afterFit:function(){H.callback(this.options.afterFit,[this])},isHorizontal:function(){var t=this.options.position;return"top"===t||"bottom"===t},isFullWidth:function(){return this.options.fullWidth},getRightValue:function(t){if(ln(t))return NaN;if(("number"==typeof t||t instanceof Number)&&!isFinite(t))return NaN;if(t)if(this.isHorizontal()){if(void 0!==t.x)return this.getRightValue(t.x)}else if(void 0!==t.y)return this.getRightValue(t.y);return t},_convertTicksToLabels:function(t){var e,n,i,a=this;for(a.ticks=t.map((function(t){return t.value})),a.beforeTickToLabelConversion(),e=a.convertTicksToLabels(t)||a.ticks,a.afterTickToLabelConversion(),n=0,i=t.length;n<i;++n)t[n].label=e[n];return e},_getLabelSizes:function(){var t=this,e=t._labelSizes;return e||(t._labelSizes=e=cn(t.ctx,mn(t.options.ticks),t.getTicks(),t.longestTextCache),t.longestLabelWidth=e.widest.width),e},_parseValue:function(t){var e,n,i,a;return sn(t)?(e=+this.getRightValue(t[0]),n=+this.getRightValue(t[1]),i=Math.min(e,n),a=Math.max(e,n)):(e=void 0,n=t=+this.getRightValue(t),i=t,a=t),{min:i,max:a,start:e,end:n}},_getScaleLabel:function(t){var e=this._parseValue(t);return void 0!==e.start?"["+e.start+", "+e.end+"]":+this.getRightValue(t)},getLabelForIndex:H.noop,getPixelForValue:H.noop,getValueForPixel:H.noop,getPixelForTick:function(t){var e=this.options.offset,n=this._ticks.length,i=1/Math.max(n-(e?0:1),1);return t<0||t>n-1?null:this.getPixelForDecimal(t*i+(e?i/2:0))},getPixelForDecimal:function(t){return this._reversePixels&&(t=1-t),this._startPixel+t*this._length},getDecimalForPixel:function(t){var e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e},getBasePixel:function(){return this.getPixelForValue(this.getBaseValue())},getBaseValue:function(){var t=this.min,e=this.max;return this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0},_autoSkip:function(t){var e,n,i,a,r=this.options.ticks,o=this._length,s=r.maxTicksLimit||o/this._tickSize()+1,l=r.major.enabled?function(t){var e,n,i=[];for(e=0,n=t.length;e<n;e++)t[e].major&&i.push(e);return i}(t):[],u=l.length,d=l[0],h=l[u-1];if(u>s)return function(t,e,n){var i,a,r=0,o=e[0];for(n=Math.ceil(n),i=0;i<t.length;i++)a=t[i],i===o?(a._index=i,o=e[++r*n]):delete a.label}(t,l,u/s),vn(t);if(i=function(t,e,n,i){var a,r,o,s,l=function(t){var e,n,i=t.length;if(i<2)return!1;for(n=t[0],e=1;e<i;++e)if(t[e]-t[e-1]!==n)return!1;return 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e,n,i,a,r,o,s,l,u,d,h,c,f,g,p,m,v,b=this,x=b.chart,y=b.options,_=y.gridLines,k=y.position,w=_.offsetGridLines,M=b.isHorizontal(),S=b._ticksToDraw,C=S.length+(w?1:0),P=fn(_),A=[],D=_.drawBorder?dn(_.lineWidth,0,0):0,T=D/2,I=H._alignPixel,F=function(t){return I(x,t,D)};for("top"===k?(e=F(b.bottom),s=b.bottom-P,u=e-T,h=F(t.top)+T,f=t.bottom):"bottom"===k?(e=F(b.top),h=t.top,f=F(t.bottom)-T,s=e+T,u=b.top+P):"left"===k?(e=F(b.right),o=b.right-P,l=e-T,d=F(t.left)+T,c=t.right):(e=F(b.left),d=t.left,c=F(t.right)-T,o=e+T,l=b.left+P),n=0;n<C;++n)i=S[n]||{},ln(i.label)&&n<S.length||(n===b.zeroLineIndex&&y.offset===w?(g=_.zeroLineWidth,p=_.zeroLineColor,m=_.zeroLineBorderDash||[],v=_.zeroLineBorderDashOffset||0):(g=dn(_.lineWidth,n,1),p=dn(_.color,n,"rgba(0,0,0,0.1)"),m=_.borderDash||[],v=_.borderDashOffset||0),void 0!==(a=hn(b,i._index||n,w))&&(r=I(x,a,g),M?o=l=d=c=r:s=u=h=f=r,A.push({tx1:o,ty1:s,tx2:l,ty2:u,x1:d,y1:h,x2:c,y2:f,width:g,color:p,borderDash:m,borderDashOffset:v})));return A.ticksLength=C,A.borderValue=e,A},_computeLabelItems:function(){var t,e,n,i,a,r,o,s,l,u,d,h,c=this,f=c.options,g=f.ticks,p=f.position,m=g.mirror,v=c.isHorizontal(),b=c._ticksToDraw,x=mn(g),y=g.padding,_=fn(f.gridLines),k=-H.toRadians(c.labelRotation),w=[];for("top"===p?(r=c.bottom-_-y,o=k?"left":"center"):"bottom"===p?(r=c.top+_+y,o=k?"right":"center"):"left"===p?(a=c.right-(m?0:_)-y,o=m?"left":"right"):(a=c.left+(m?0:_)+y,o=m?"right":"left"),t=0,e=b.length;t<e;++t)i=(n=b[t]).label,ln(i)||(s=c.getPixelForTick(n._index||t)+g.labelOffset,u=(l=n.major?x.major:x.minor).lineHeight,d=sn(i)?i.length:1,v?(a=s,h="top"===p?((k?1:.5)-d)*u:(k?0:.5)*u):(r=s,h=(1-d)*u/2),w.push({x:a,y:r,rotation:k,label:i,font:l,textOffset:h,textAlign:o}));return w},_drawGrid:function(t){var e=this,n=e.options.gridLines;if(n.display){var i,a,r,o,s,l=e.ctx,u=e.chart,d=H._alignPixel,h=n.drawBorder?dn(n.lineWidth,0,0):0,c=e._gridLineItems||(e._gridLineItems=e._computeGridLineItems(t));for(r=0,o=c.length;r<o;++r)i=(s=c[r]).width,a=s.color,i&&a&&(l.save(),l.lineWidth=i,l.strokeStyle=a,l.setLineDash&&(l.setLineDash(s.borderDash),l.lineDashOffset=s.borderDashOffset),l.beginPath(),n.drawTicks&&(l.moveTo(s.tx1,s.ty1),l.lineTo(s.tx2,s.ty2)),n.drawOnChartArea&&(l.moveTo(s.x1,s.y1),l.lineTo(s.x2,s.y2)),l.stroke(),l.restore());if(h){var f,g,p,m,v=h,b=dn(n.lineWidth,c.ticksLength-1,1),x=c.borderValue;e.isHorizontal()?(f=d(u,e.left,v)-v/2,g=d(u,e.right,b)+b/2,p=m=x):(p=d(u,e.top,v)-v/2,m=d(u,e.bottom,b)+b/2,f=g=x),l.lineWidth=h,l.strokeStyle=dn(n.color,0),l.beginPath(),l.moveTo(f,p),l.lineTo(g,m),l.stroke()}}},_drawLabels:function(){var t=this;if(t.options.ticks.display){var e,n,i,a,r,o,s,l,u=t.ctx,d=t._labelItems||(t._labelItems=t._computeLabelItems());for(e=0,i=d.length;e<i;++e){if(o=(r=d[e]).font,u.save(),u.translate(r.x,r.y),u.rotate(r.rotation),u.font=o.string,u.fillStyle=o.color,u.textBaseline="middle",u.textAlign=r.textAlign,s=r.label,l=r.textOffset,sn(s))for(n=0,a=s.length;n<a;++n)u.fillText(""+s[n],0,l),l+=o.lineHeight;else u.fillText(s,0,l);u.restore()}}},_drawTitle:function(){var t=this,e=t.ctx,n=t.options,i=n.scaleLabel;if(i.display){var a,r,o=un(i.fontColor,N.global.defaultFontColor),s=H.options._parseFont(i),l=H.options.toPadding(i.padding),u=s.lineHeight/2,d=n.position,h=0;if(t.isHorizontal())a=t.left+t.width/2,r="bottom"===d?t.bottom-u-l.bottom:t.top+u+l.top;else{var c="left"===d;a=c?t.left+u+l.top:t.right-u-l.top,r=t.top+t.height/2,h=c?-.5*Math.PI:.5*Math.PI}e.save(),e.translate(a,r),e.rotate(h),e.textAlign="center",e.textBaseline="middle",e.fillStyle=o,e.font=s.string,e.fillText(i.labelString,0,0),e.restore()}},draw:function(t){this._isVisible()&&(this._drawGrid(t),this._drawTitle(),this._drawLabels())},_layers:function(){var t=this,e=t.options,n=e.ticks&&e.ticks.z||0,i=e.gridLines&&e.gridLines.z||0;return t._isVisible()&&n!==i&&t.draw===t._draw?[{z:i,draw:function(){t._drawGrid.apply(t,arguments),t._drawTitle.apply(t,arguments)}},{z:n,draw:function(){t._drawLabels.apply(t,arguments)}}]:[{z:n,draw:function(){t.draw.apply(t,arguments)}}]},_getMatchingVisibleMetas:function(t){var e=this,n=e.isHorizontal();return e.chart._getSortedVisibleDatasetMetas().filter((function(i){return(!t||i.type===t)&&(n?i.xAxisID===e.id:i.yAxisID===e.id)}))}});xn.prototype._draw=xn.prototype.draw;var yn=xn,_n=H.isNullOrUndef,kn=yn.extend({determineDataLimits:function(){var t,e=this,n=e._getLabels(),i=e.options.ticks,a=i.min,r=i.max,o=0,s=n.length-1;void 0!==a&&(t=n.indexOf(a))>=0&&(o=t),void 0!==r&&(t=n.indexOf(r))>=0&&(s=t),e.minIndex=o,e.maxIndex=s,e.min=n[o],e.max=n[s]},buildTicks:function(){var t=this._getLabels(),e=this.minIndex,n=this.maxIndex;this.ticks=0===e&&n===t.length-1?t:t.slice(e,n+1)},getLabelForIndex:function(t,e){var n=this.chart;return n.getDatasetMeta(e).controller._getValueScaleId()===this.id?this.getRightValue(n.data.datasets[e].data[t]):this._getLabels()[t]},_configure:function(){var t=this,e=t.options.offset,n=t.ticks;yn.prototype._configure.call(t),t.isHorizontal()||(t._reversePixels=!t._reversePixels),n&&(t._startValue=t.minIndex-(e?.5:0),t._valueRange=Math.max(n.length-(e?0:1),1))},getPixelForValue:function(t,e,n){var i,a,r,o=this;return _n(e)||_n(n)||(t=o.chart.data.datasets[n].data[e]),_n(t)||(i=o.isHorizontal()?t.x:t.y),(void 0!==i||void 0!==t&&isNaN(e))&&(a=o._getLabels(),t=H.valueOrDefault(i,t),e=-1!==(r=a.indexOf(t))?r:e,isNaN(e)&&(e=t)),o.getPixelForDecimal((e-o._startValue)/o._valueRange)},getPixelForTick:function(t){var e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t],t+this.minIndex)},getValueForPixel:function(t){var e=Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange);return Math.min(Math.max(e,0),this.ticks.length-1)},getBasePixel:function(){return this.bottom}}),wn={position:"bottom"};kn._defaults=wn;var Mn=H.noop,Sn=H.isNullOrUndef;var Cn=yn.extend({getRightValue:function(t){return"string"==typeof t?+t:yn.prototype.getRightValue.call(this,t)},handleTickRangeOptions:function(){var t=this,e=t.options.ticks;if(e.beginAtZero){var n=H.sign(t.min),i=H.sign(t.max);n<0&&i<0?t.max=0:n>0&&i>0&&(t.min=0)}var a=void 0!==e.min||void 0!==e.suggestedMin,r=void 0!==e.max||void 0!==e.suggestedMax;void 0!==e.min?t.min=e.min:void 0!==e.suggestedMin&&(null===t.min?t.min=e.suggestedMin:t.min=Math.min(t.min,e.suggestedMin)),void 0!==e.max?t.max=e.max:void 0!==e.suggestedMax&&(null===t.max?t.max=e.suggestedMax:t.max=Math.max(t.max,e.suggestedMax)),a!==r&&t.min>=t.max&&(a?t.max=t.min+1:t.min=t.max-1),t.min===t.max&&(t.max++,e.beginAtZero||t.min--)},getTickLimit:function(){var t,e=this.options.ticks,n=e.stepSize,i=e.maxTicksLimit;return n?t=Math.ceil(this.max/n)-Math.floor(this.min/n)+1:(t=this._computeTickLimit(),i=i||11),i&&(t=Math.min(i,t)),t},_computeTickLimit:function(){return Number.POSITIVE_INFINITY},handleDirectionalChanges:Mn,buildTicks:function(){var t=this,e=t.options.ticks,n=t.getTickLimit(),i={maxTicks:n=Math.max(2,n),min:e.min,max:e.max,precision:e.precision,stepSize:H.valueOrDefault(e.fixedStepSize,e.stepSize)},a=t.ticks=function(t,e){var n,i,a,r,o=[],s=t.stepSize,l=s||1,u=t.maxTicks-1,d=t.min,h=t.max,c=t.precision,f=e.min,g=e.max,p=H.niceNum((g-f)/u/l)*l;if(p<1e-14&&Sn(d)&&Sn(h))return[f,g];(r=Math.ceil(g/p)-Math.floor(f/p))>u&&(p=H.niceNum(r*p/u/l)*l),s||Sn(c)?n=Math.pow(10,H._decimalPlaces(p)):(n=Math.pow(10,c),p=Math.ceil(p*n)/n),i=Math.floor(f/p)*p,a=Math.ceil(g/p)*p,s&&(!Sn(d)&&H.almostWhole(d/p,p/1e3)&&(i=d),!Sn(h)&&H.almostWhole(h/p,p/1e3)&&(a=h)),r=(a-i)/p,r=H.almostEquals(r,Math.round(r),p/1e3)?Math.round(r):Math.ceil(r),i=Math.round(i*n)/n,a=Math.round(a*n)/n,o.push(Sn(d)?i:d);for(var m=1;m<r;++m)o.push(Math.round((i+m*p)*n)/n);return o.push(Sn(h)?a:h),o}(i,t);t.handleDirectionalChanges(),t.max=H.max(a),t.min=H.min(a),e.reverse?(a.reverse(),t.start=t.max,t.end=t.min):(t.start=t.min,t.end=t.max)},convertTicksToLabels:function(){var t=this;t.ticksAsNumbers=t.ticks.slice(),t.zeroLineIndex=t.ticks.indexOf(0),yn.prototype.convertTicksToLabels.call(t)},_configure:function(){var t,e=this,n=e.getTicks(),i=e.min,a=e.max;yn.prototype._configure.call(e),e.options.offset&&n.length&&(i-=t=(a-i)/Math.max(n.length-1,1)/2,a+=t),e._startValue=i,e._endValue=a,e._valueRange=a-i}}),Pn={position:"left",ticks:{callback:on.formatters.linear}};function An(t,e,n,i){var a,r,o=t.options,s=function(t,e,n){var i=[n.type,void 0===e&&void 0===n.stack?n.index:"",n.stack].join(".");return void 0===t[i]&&(t[i]={pos:[],neg:[]}),t[i]}(e,o.stacked,n),l=s.pos,u=s.neg,d=i.length;for(a=0;a<d;++a)r=t._parseValue(i[a]),isNaN(r.min)||isNaN(r.max)||n.data[a].hidden||(l[a]=l[a]||0,u[a]=u[a]||0,o.relativePoints?l[a]=100:r.min<0||r.max<0?u[a]+=r.min:l[a]+=r.max)}function Dn(t,e,n){var i,a,r=n.length;for(i=0;i<r;++i)a=t._parseValue(n[i]),isNaN(a.min)||isNaN(a.max)||e.data[i].hidden||(t.min=Math.min(t.min,a.min),t.max=Math.max(t.max,a.max))}var Tn=Cn.extend({determineDataLimits:function(){var t,e,n,i,a=this,r=a.options,o=a.chart.data.datasets,s=a._getMatchingVisibleMetas(),l=r.stacked,u={},d=s.length;if(a.min=Number.POSITIVE_INFINITY,a.max=Number.NEGATIVE_INFINITY,void 0===l)for(t=0;!l&&t<d;++t)l=void 0!==(e=s[t]).stack;for(t=0;t<d;++t)n=o[(e=s[t]).index].data,l?An(a,u,e,n):Dn(a,e,n);H.each(u,(function(t){i=t.pos.concat(t.neg),a.min=Math.min(a.min,H.min(i)),a.max=Math.max(a.max,H.max(i))})),a.min=H.isFinite(a.min)&&!isNaN(a.min)?a.min:0,a.max=H.isFinite(a.max)&&!isNaN(a.max)?a.max:1,a.handleTickRangeOptions()},_computeTickLimit:function(){var t;return this.isHorizontal()?Math.ceil(this.width/40):(t=H.options._parseFont(this.options.ticks),Math.ceil(this.height/t.lineHeight))},handleDirectionalChanges:function(){this.isHorizontal()||this.ticks.reverse()},getLabelForIndex:function(t,e){return this._getScaleLabel(this.chart.data.datasets[e].data[t])},getPixelForValue:function(t){return this.getPixelForDecimal((+this.getRightValue(t)-this._startValue)/this._valueRange)},getValueForPixel:function(t){return this._startValue+this.getDecimalForPixel(t)*this._valueRange},getPixelForTick:function(t){var e=this.ticksAsNumbers;return t<0||t>e.length-1?null:this.getPixelForValue(e[t])}}),In=Pn;Tn._defaults=In;var Fn=H.valueOrDefault,On=H.math.log10;var Ln={position:"left",ticks:{callback:on.formatters.logarithmic}};function Rn(t,e){return H.isFinite(t)&&t>=0?t:e}var zn=yn.extend({determineDataLimits:function(){var t,e,n,i,a,r,o=this,s=o.options,l=o.chart,u=l.data.datasets,d=o.isHorizontal();function h(t){return d?t.xAxisID===o.id:t.yAxisID===o.id}o.min=Number.POSITIVE_INFINITY,o.max=Number.NEGATIVE_INFINITY,o.minNotZero=Number.POSITIVE_INFINITY;var c=s.stacked;if(void 0===c)for(t=0;t<u.length;t++)if(e=l.getDatasetMeta(t),l.isDatasetVisible(t)&&h(e)&&void 0!==e.stack){c=!0;break}if(s.stacked||c){var f={};for(t=0;t<u.length;t++){var g=[(e=l.getDatasetMeta(t)).type,void 0===s.stacked&&void 0===e.stack?t:"",e.stack].join(".");if(l.isDatasetVisible(t)&&h(e))for(void 0===f[g]&&(f[g]=[]),a=0,r=(i=u[t].data).length;a<r;a++){var p=f[g];n=o._parseValue(i[a]),isNaN(n.min)||isNaN(n.max)||e.data[a].hidden||n.min<0||n.max<0||(p[a]=p[a]||0,p[a]+=n.max)}}H.each(f,(function(t){if(t.length>0){var e=H.min(t),n=H.max(t);o.min=Math.min(o.min,e),o.max=Math.max(o.max,n)}}))}else for(t=0;t<u.length;t++)if(e=l.getDatasetMeta(t),l.isDatasetVisible(t)&&h(e))for(a=0,r=(i=u[t].data).length;a<r;a++)n=o._parseValue(i[a]),isNaN(n.min)||isNaN(n.max)||e.data[a].hidden||n.min<0||n.max<0||(o.min=Math.min(n.min,o.min),o.max=Math.max(n.max,o.max),0!==n.min&&(o.minNotZero=Math.min(n.min,o.minNotZero)));o.min=H.isFinite(o.min)?o.min:null,o.max=H.isFinite(o.max)?o.max:null,o.minNotZero=H.isFinite(o.minNotZero)?o.minNotZero:null,this.handleTickRangeOptions()},handleTickRangeOptions:function(){var t=this,e=t.options.ticks;t.min=Rn(e.min,t.min),t.max=Rn(e.max,t.max),t.min===t.max&&(0!==t.min&&null!==t.min?(t.min=Math.pow(10,Math.floor(On(t.min))-1),t.max=Math.pow(10,Math.floor(On(t.max))+1)):(t.min=1,t.max=10)),null===t.min&&(t.min=Math.pow(10,Math.floor(On(t.max))-1)),null===t.max&&(t.max=0!==t.min?Math.pow(10,Math.floor(On(t.min))+1):10),null===t.minNotZero&&(t.min>0?t.minNotZero=t.min:t.max<1?t.minNotZero=Math.pow(10,Math.floor(On(t.max))):t.minNotZero=1)},buildTicks:function(){var t=this,e=t.options.ticks,n=!t.isHorizontal(),i={min:Rn(e.min),max:Rn(e.max)},a=t.ticks=function(t,e){var n,i,a=[],r=Fn(t.min,Math.pow(10,Math.floor(On(e.min)))),o=Math.floor(On(e.max)),s=Math.ceil(e.max/Math.pow(10,o));0===r?(n=Math.floor(On(e.minNotZero)),i=Math.floor(e.minNotZero/Math.pow(10,n)),a.push(r),r=i*Math.pow(10,n)):(n=Math.floor(On(r)),i=Math.floor(r/Math.pow(10,n)));var l=n<0?Math.pow(10,Math.abs(n)):1;do{a.push(r),10===++i&&(i=1,l=++n>=0?1:l),r=Math.round(i*Math.pow(10,n)*l)/l}while(n<o||n===o&&i<s);var u=Fn(t.max,r);return a.push(u),a}(i,t);t.max=H.max(a),t.min=H.min(a),e.reverse?(n=!n,t.start=t.max,t.end=t.min):(t.start=t.min,t.end=t.max),n&&a.reverse()},convertTicksToLabels:function(){this.tickValues=this.ticks.slice(),yn.prototype.convertTicksToLabels.call(this)},getLabelForIndex:function(t,e){return this._getScaleLabel(this.chart.data.datasets[e].data[t])},getPixelForTick:function(t){var e=this.tickValues;return t<0||t>e.length-1?null:this.getPixelForValue(e[t])},_getFirstTickValue:function(t){var e=Math.floor(On(t));return Math.floor(t/Math.pow(10,e))*Math.pow(10,e)},_configure:function(){var t=this,e=t.min,n=0;yn.prototype._configure.call(t),0===e&&(e=t._getFirstTickValue(t.minNotZero),n=Fn(t.options.ticks.fontSize,N.global.defaultFontSize)/t._length),t._startValue=On(e),t._valueOffset=n,t._valueRange=(On(t.max)-On(e))/(1-n)},getPixelForValue:function(t){var e=this,n=0;return(t=+e.getRightValue(t))>e.min&&t>0&&(n=(On(t)-e._startValue)/e._valueRange+e._valueOffset),e.getPixelForDecimal(n)},getValueForPixel:function(t){var e=this,n=e.getDecimalForPixel(t);return 0===n&&0===e.min?0:Math.pow(10,e._startValue+(n-e._valueOffset)*e._valueRange)}}),Nn=Ln;zn._defaults=Nn;var Bn=H.valueOrDefault,En=H.valueAtIndexOrDefault,Wn=H.options.resolve,Vn={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,color:"rgba(0,0,0,0.1)",lineWidth:1,borderDash:[],borderDashOffset:0},gridLines:{circular:!1},ticks:{showLabelBackdrop:!0,backdropColor:"rgba(255,255,255,0.75)",backdropPaddingY:2,backdropPaddingX:2,callback:on.formatters.linear},pointLabels:{display:!0,fontSize:10,callback:function(t){return t}}};function Hn(t){var e=t.ticks;return e.display&&t.display?Bn(e.fontSize,N.global.defaultFontSize)+2*e.backdropPaddingY:0}function jn(t,e,n,i,a){return t===i||t===a?{start:e-n/2,end:e+n/2}:t<i||t>a?{start:e-n,end:e}:{start:e,end:e+n}}function qn(t){return 0===t||180===t?"center":t<180?"left":"right"}function Un(t,e,n,i){var a,r,o=n.y+i/2;if(H.isArray(e))for(a=0,r=e.length;a<r;++a)t.fillText(e[a],n.x,o),o+=i;else t.fillText(e,n.x,o)}function Yn(t,e,n){90===t||270===t?n.y-=e.h/2:(t>270||t<90)&&(n.y-=e.h)}function Gn(t){return H.isNumber(t)?t:0}var Xn=Cn.extend({setDimensions:function(){var t=this;t.width=t.maxWidth,t.height=t.maxHeight,t.paddingTop=Hn(t.options)/2,t.xCenter=Math.floor(t.width/2),t.yCenter=Math.floor((t.height-t.paddingTop)/2),t.drawingArea=Math.min(t.height-t.paddingTop,t.width)/2},determineDataLimits:function(){var t=this,e=t.chart,n=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;H.each(e.data.datasets,(function(a,r){if(e.isDatasetVisible(r)){var o=e.getDatasetMeta(r);H.each(a.data,(function(e,a){var r=+t.getRightValue(e);isNaN(r)||o.data[a].hidden||(n=Math.min(r,n),i=Math.max(r,i))}))}})),t.min=n===Number.POSITIVE_INFINITY?0:n,t.max=i===Number.NEGATIVE_INFINITY?0:i,t.handleTickRangeOptions()},_computeTickLimit:function(){return Math.ceil(this.drawingArea/Hn(this.options))},convertTicksToLabels:function(){var t=this;Cn.prototype.convertTicksToLabels.call(t),t.pointLabels=t.chart.data.labels.map((function(){var e=H.callback(t.options.pointLabels.callback,arguments,t);return e||0===e?e:""}))},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},fit:function(){var t=this.options;t.display&&t.pointLabels.display?function(t){var e,n,i,a=H.options._parseFont(t.options.pointLabels),r={l:0,r:t.width,t:0,b:t.height-t.paddingTop},o={};t.ctx.font=a.string,t._pointLabelSizes=[];var s,l,u,d=t.chart.data.labels.length;for(e=0;e<d;e++){i=t.getPointPosition(e,t.drawingArea+5),s=t.ctx,l=a.lineHeight,u=t.pointLabels[e],n=H.isArray(u)?{w:H.longestText(s,s.font,u),h:u.length*l}:{w:s.measureText(u).width,h:l},t._pointLabelSizes[e]=n;var h=t.getIndexAngle(e),c=H.toDegrees(h)%360,f=jn(c,i.x,n.w,0,180),g=jn(c,i.y,n.h,90,270);f.start<r.l&&(r.l=f.start,o.l=h),f.end>r.r&&(r.r=f.end,o.r=h),g.start<r.t&&(r.t=g.start,o.t=h),g.end>r.b&&(r.b=g.end,o.b=h)}t.setReductions(t.drawingArea,r,o)}(this):this.setCenterPoint(0,0,0,0)},setReductions:function(t,e,n){var i=this,a=e.l/Math.sin(n.l),r=Math.max(e.r-i.width,0)/Math.sin(n.r),o=-e.t/Math.cos(n.t),s=-Math.max(e.b-(i.height-i.paddingTop),0)/Math.cos(n.b);a=Gn(a),r=Gn(r),o=Gn(o),s=Gn(s),i.drawingArea=Math.min(Math.floor(t-(a+r)/2),Math.floor(t-(o+s)/2)),i.setCenterPoint(a,r,o,s)},setCenterPoint:function(t,e,n,i){var a=this,r=a.width-e-a.drawingArea,o=t+a.drawingArea,s=n+a.drawingArea,l=a.height-a.paddingTop-i-a.drawingArea;a.xCenter=Math.floor((o+r)/2+a.left),a.yCenter=Math.floor((s+l)/2+a.top+a.paddingTop)},getIndexAngle:function(t){var e=this.chart,n=(t*(360/e.data.labels.length)+((e.options||{}).startAngle||0))%360;return(n<0?n+360:n)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){var e=this;if(H.isNullOrUndef(t))return NaN;var n=e.drawingArea/(e.max-e.min);return e.options.ticks.reverse?(e.max-t)*n:(t-e.min)*n},getPointPosition:function(t,e){var n=this.getIndexAngle(t)-Math.PI/2;return{x:Math.cos(n)*e+this.xCenter,y:Math.sin(n)*e+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(t){var e=this.min,n=this.max;return this.getPointPositionForValue(t||0,this.beginAtZero?0:e<0&&n<0?n:e>0&&n>0?e:0)},_drawGrid:function(){var t,e,n,i=this,a=i.ctx,r=i.options,o=r.gridLines,s=r.angleLines,l=Bn(s.lineWidth,o.lineWidth),u=Bn(s.color,o.color);if(r.pointLabels.display&&function(t){var e=t.ctx,n=t.options,i=n.pointLabels,a=Hn(n),r=t.getDistanceFromCenterForValue(n.ticks.reverse?t.min:t.max),o=H.options._parseFont(i);e.save(),e.font=o.string,e.textBaseline="middle";for(var s=t.chart.data.labels.length-1;s>=0;s--){var l=0===s?a/2:0,u=t.getPointPosition(s,r+l+5),d=En(i.fontColor,s,N.global.defaultFontColor);e.fillStyle=d;var h=t.getIndexAngle(s),c=H.toDegrees(h);e.textAlign=qn(c),Yn(c,t._pointLabelSizes[s],u),Un(e,t.pointLabels[s],u,o.lineHeight)}e.restore()}(i),o.display&&H.each(i.ticks,(function(t,n){0!==n&&(e=i.getDistanceFromCenterForValue(i.ticksAsNumbers[n]),function(t,e,n,i){var a,r=t.ctx,o=e.circular,s=t.chart.data.labels.length,l=En(e.color,i-1),u=En(e.lineWidth,i-1);if((o||s)&&l&&u){if(r.save(),r.strokeStyle=l,r.lineWidth=u,r.setLineDash&&(r.setLineDash(e.borderDash||[]),r.lineDashOffset=e.borderDashOffset||0),r.beginPath(),o)r.arc(t.xCenter,t.yCenter,n,0,2*Math.PI);else{a=t.getPointPosition(0,n),r.moveTo(a.x,a.y);for(var d=1;d<s;d++)a=t.getPointPosition(d,n),r.lineTo(a.x,a.y)}r.closePath(),r.stroke(),r.restore()}}(i,o,e,n))})),s.display&&l&&u){for(a.save(),a.lineWidth=l,a.strokeStyle=u,a.setLineDash&&(a.setLineDash(Wn([s.borderDash,o.borderDash,[]])),a.lineDashOffset=Wn([s.borderDashOffset,o.borderDashOffset,0])),t=i.chart.data.labels.length-1;t>=0;t--)e=i.getDistanceFromCenterForValue(r.ticks.reverse?i.min:i.max),n=i.getPointPosition(t,e),a.beginPath(),a.moveTo(i.xCenter,i.yCenter),a.lineTo(n.x,n.y),a.stroke();a.restore()}},_drawLabels:function(){var t=this,e=t.ctx,n=t.options.ticks;if(n.display){var i,a,r=t.getIndexAngle(0),o=H.options._parseFont(n),s=Bn(n.fontColor,N.global.defaultFontColor);e.save(),e.font=o.string,e.translate(t.xCenter,t.yCenter),e.rotate(r),e.textAlign="center",e.textBaseline="middle",H.each(t.ticks,(function(r,l){(0!==l||n.reverse)&&(i=t.getDistanceFromCenterForValue(t.ticksAsNumbers[l]),n.showLabelBackdrop&&(a=e.measureText(r).width,e.fillStyle=n.backdropColor,e.fillRect(-a/2-n.backdropPaddingX,-i-o.size/2-n.backdropPaddingY,a+2*n.backdropPaddingX,o.size+2*n.backdropPaddingY)),e.fillStyle=s,e.fillText(r,0,-i))})),e.restore()}},_drawTitle:H.noop}),Kn=Vn;Xn._defaults=Kn;var Zn=H._deprecated,$n=H.options.resolve,Jn=H.valueOrDefault,Qn=Number.MIN_SAFE_INTEGER||-9007199254740991,ti=Number.MAX_SAFE_INTEGER||9007199254740991,ei={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},ni=Object.keys(ei);function ii(t,e){return t-e}function ai(t){return H.valueOrDefault(t.time.min,t.ticks.min)}function ri(t){return H.valueOrDefault(t.time.max,t.ticks.max)}function oi(t,e,n,i){var a=function(t,e,n){for(var 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i,a,r=[],o={},s=e.length;for(i=0;i<s;++i)o[a=e[i]]=i,r.push({value:a,major:!1});return 0!==s&&n?function(t,e,n,i){var a,r,o=t._adapter,s=+o.startOf(e[0].value,i),l=e[e.length-1].value;for(a=s;a<=l;a=+o.add(a,1,i))(r=n[a])>=0&&(e[r].major=!0);return e}(t,r,o,n):r}var hi=yn.extend({initialize:function(){this.mergeTicksOptions(),yn.prototype.initialize.call(this)},update:function(){var t=this,e=t.options,n=e.time||(e.time={}),i=t._adapter=new rn._date(e.adapters.date);return Zn("time scale",n.format,"time.format","time.parser"),Zn("time scale",n.min,"time.min","ticks.min"),Zn("time scale",n.max,"time.max","ticks.max"),H.mergeIf(n.displayFormats,i.formats()),yn.prototype.update.apply(t,arguments)},getRightValue:function(t){return t&&void 0!==t.t&&(t=t.t),yn.prototype.getRightValue.call(this,t)},determineDataLimits:function(){var t,e,n,i,a,r,o,s=this,l=s.chart,u=s._adapter,d=s.options,h=d.time.unit||"day",c=ti,f=Qn,g=[],p=[],m=[],v=s._getLabels();for(t=0,n=v.length;t<n;++t)m.push(li(s,v[t]));for(t=0,n=(l.data.datasets||[]).length;t<n;++t)if(l.isDatasetVisible(t))if(a=l.data.datasets[t].data,H.isObject(a[0]))for(p[t]=[],e=0,i=a.length;e<i;++e)r=li(s,a[e]),g.push(r),p[t][e]=r;else p[t]=m.slice(0),o||(g=g.concat(m),o=!0);else p[t]=[];m.length&&(c=Math.min(c,m[0]),f=Math.max(f,m[m.length-1])),g.length&&(g=n>1?function(t){var e,n,i,a={},r=[];for(e=0,n=t.length;e<n;++e)a[i=t[e]]||(a[i]=!0,r.push(i));return r}(g).sort(ii):g.sort(ii),c=Math.min(c,g[0]),f=Math.max(f,g[g.length-1])),c=li(s,ai(d))||c,f=li(s,ri(d))||f,c=c===ti?+u.startOf(Date.now(),h):c,f=f===Qn?+u.endOf(Date.now(),h)+1:f,s.min=Math.min(c,f),s.max=Math.max(c+1,f),s._table=[],s._timestamps={data:g,datasets:p,labels:m}},buildTicks:function(){var t,e,n,i=this,a=i.min,r=i.max,o=i.options,s=o.ticks,l=o.time,u=i._timestamps,d=[],h=i.getLabelCapacity(a),c=s.source,f=o.distribution;for(u="data"===c||"auto"===c&&"series"===f?u.data:"labels"===c?u.labels:function(t,e,n,i){var a,r=t._adapter,o=t.options,s=o.time,l=s.unit||ui(s.minUnit,e,n,i),u=$n([s.stepSize,s.unitStepSize,1]),d="week"===l&&s.isoWeekday,h=e,c=[];if(d&&(h=+r.startOf(h,"isoWeek",d)),h=+r.startOf(h,d?"day":l),r.diff(n,e,l)>1e5*u)throw e+" and "+n+" are too far apart with stepSize of "+u+" "+l;for(a=h;a<n;a=+r.add(a,u,l))c.push(a);return a!==n&&"ticks"!==o.bounds||c.push(a),c}(i,a,r,h),"ticks"===o.bounds&&u.length&&(a=u[0],r=u[u.length-1]),a=li(i,ai(o))||a,r=li(i,ri(o))||r,t=0,e=u.length;t<e;++t)(n=u[t])>=a&&n<=r&&d.push(n);return i.min=a,i.max=r,i._unit=l.unit||(s.autoSkip?ui(l.minUnit,i.min,i.max,h):function(t,e,n,i,a){var r,o;for(r=ni.length-1;r>=ni.indexOf(n);r--)if(o=ni[r],ei[o].common&&t._adapter.diff(a,i,o)>=e-1)return o;return ni[n?ni.indexOf(n):0]}(i,d.length,l.minUnit,i.min,i.max)),i._majorUnit=s.major.enabled&&"year"!==i._unit?function(t){for(var e=ni.indexOf(t)+1,n=ni.length;e<n;++e)if(ei[ni[e]].common)return ni[e]}(i._unit):void 0,i._table=function(t,e,n,i){if("linear"===i||!t.length)return[{time:e,pos:0},{time:n,pos:1}];var a,r,o,s,l,u=[],d=[e];for(a=0,r=t.length;a<r;++a)(s=t[a])>e&&s<n&&d.push(s);for(d.push(n),a=0,r=d.length;a<r;++a)l=d[a+1],o=d[a-1],s=d[a],void 0!==o&&void 0!==l&&Math.round((l+o)/2)===s||u.push({time:s,pos:a/(r-1)});return u}(i._timestamps.data,a,r,f),i._offsets=function(t,e,n,i,a){var r,o,s=0,l=0;return a.offset&&e.length&&(r=oi(t,"time",e[0],"pos"),s=1===e.length?1-r:(oi(t,"time",e[1],"pos")-r)/2,o=oi(t,"time",e[e.length-1],"pos"),l=1===e.length?o:(o-oi(t,"time",e[e.length-2],"pos"))/2),{start:s,end:l,factor:1/(s+1+l)}}(i._table,d,0,0,o),s.reverse&&d.reverse(),di(i,d,i._majorUnit)},getLabelForIndex:function(t,e){var 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this.getPixelForOffset(i)},getPixelForTick:function(t){var e=this.getTicks();return t>=0&&t<e.length?this.getPixelForOffset(e[t].value):null},getValueForPixel:function(t){var e=this._offsets,n=this.getDecimalForPixel(t)/e.factor-e.end,i=oi(this._table,"pos",n,"time");return this._adapter._create(i)},_getLabelSize:function(t){var e=this.options.ticks,n=this.ctx.measureText(t).width,i=H.toRadians(this.isHorizontal()?e.maxRotation:e.minRotation),a=Math.cos(i),r=Math.sin(i),o=Jn(e.fontSize,N.global.defaultFontSize);return{w:n*a+o*r,h:n*r+o*a}},getLabelWidth:function(t){return this._getLabelSize(t).w},getLabelCapacity:function(t){var e=this,n=e.options.time,i=n.displayFormats,a=i[n.unit]||i.millisecond,r=e.tickFormatFunction(t,0,di(e,[t],e._majorUnit),a),o=e._getLabelSize(r),s=Math.floor(e.isHorizontal()?e.width/o.w:e.height/o.h);return e.options.offset&&s--,s>0?s:1}}),ci={position:"bottom",distribution:"linear",bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,displayFormat:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{autoSkip:!1,source:"auto",major:{enabled:!1}}};hi._defaults=ci;var fi={category:kn,linear:Tn,logarithmic:zn,radialLinear:Xn,time:hi},gi={datetime:"MMM D, YYYY, h:mm:ss a",millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"};rn._date.override("function"==typeof t?{_id:"moment",formats:function(){return gi},parse:function(e,n){return"string"==typeof e&&"string"==typeof n?e=t(e,n):e instanceof t||(e=t(e)),e.isValid()?e.valueOf():null},format:function(e,n){return t(e).format(n)},add:function(e,n,i){return t(e).add(n,i).valueOf()},diff:function(e,n,i){return t(e).diff(t(n),i)},startOf:function(e,n,i){return 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vi(t){return(t.el._scale||{}).getPointPositionForValue?function(t){var e,n,i,a,r,o=t.el._scale,s=o.options,l=o.chart.data.labels.length,u=t.fill,d=[];if(!l)return null;for(e=s.ticks.reverse?o.max:o.min,n=s.ticks.reverse?o.min:o.max,i=o.getPointPositionForValue(0,e),a=0;a<l;++a)r="start"===u||"end"===u?o.getPointPositionForValue(a,"start"===u?e:n):o.getBasePosition(a),s.gridLines.circular&&(r.cx=i.x,r.cy=i.y,r.angle=o.getIndexAngle(a)-Math.PI/2),d.push(r);return d}(t):function(t){var e,n=t.el._model||{},i=t.el._scale||{},a=t.fill,r=null;if(isFinite(a))return null;if("start"===a?r=void 0===n.scaleBottom?i.bottom:n.scaleBottom:"end"===a?r=void 0===n.scaleTop?i.top:n.scaleTop:void 0!==n.scaleZero?r=n.scaleZero:i.getBasePixel&&(r=i.getBasePixel()),null!=r){if(void 0!==r.x&&void 0!==r.y)return r;if(H.isFinite(r))return{x:(e=i.isHorizontal())?r:null,y:e?null:r}}return null}(t)}function bi(t,e,n){var i,a=t[e].fill,r=[e];if(!n)return a;for(;!1!==a&&-1===r.indexOf(a);){if(!isFinite(a))return 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n,i,a,r,o=(t.data.datasets||[]).length,s=e.propagate,l=[];for(i=0;i<o;++i)r=null,(a=(n=t.getDatasetMeta(i)).dataset)&&a._model&&a instanceof kt.Line&&(r={visible:t.isDatasetVisible(i),fill:mi(a,i,o),chart:t,el:a}),n.$filler=r,l.push(r);for(i=0;i<o;++i)(r=l[i])&&(r.fill=bi(l,i,s),r.boundary=vi(r),r.mapper=xi(r))},beforeDatasetsDraw:function(t){var e,n,i,a,r,o,s,l=t._getSortedVisibleDatasetMetas(),u=t.ctx;for(n=l.length-1;n>=0;--n)(e=l[n].$filler)&&e.visible&&(a=(i=e.el)._view,r=i._children||[],o=e.mapper,s=a.backgroundColor||N.global.defaultColor,o&&s&&r.length&&(H.canvas.clipArea(u,t.chartArea),ki(u,r,o,a,s,i._loop),H.canvas.unclipArea(u)))}},Mi=H.rtl.getRtlAdapter,Si=H.noop,Ci=H.valueOrDefault;function Pi(t,e){return t.usePointStyle&&t.boxWidth>e?e:t.boxWidth}N._set("global",{legend:{display:!0,position:"top",align:"center",fullWidth:!0,reverse:!1,weight:1e3,onClick:function(t,e){var n=e.datasetIndex,i=this.chart,a=i.getDatasetMeta(n);a.hidden=null===a.hidden?!i.data.datasets[n].hidden:null,i.update()},onHover:null,onLeave:null,labels:{boxWidth:40,padding:10,generateLabels:function(t){var e=t.data.datasets,n=t.options.legend||{},i=n.labels&&n.labels.usePointStyle;return t._getSortedDatasetMetas().map((function(n){var a=n.controller.getStyle(i?0:void 0);return{text:e[n.index].label,fillStyle:a.backgroundColor,hidden:!t.isDatasetVisible(n.index),lineCap:a.borderCapStyle,lineDash:a.borderDash,lineDashOffset:a.borderDashOffset,lineJoin:a.borderJoinStyle,lineWidth:a.borderWidth,strokeStyle:a.borderColor,pointStyle:a.pointStyle,rotation:a.rotation,datasetIndex:n.index}}),this)}}},legendCallback:function(t){var e,n,i,a=document.createElement("ul"),r=t.data.datasets;for(a.setAttribute("class",t.id+"-legend"),e=0,n=r.length;e<n;e++)(i=a.appendChild(document.createElement("li"))).appendChild(document.createElement("span")).style.backgroundColor=r[e].backgroundColor,r[e].label&&i.appendChild(document.createTextNode(r[e].label));return a.outerHTML}});var Ai=K.extend({initialize:function(t){H.extend(this,t),this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1},beforeUpdate:Si,update:function(t,e,n){var i=this;return i.beforeUpdate(),i.maxWidth=t,i.maxHeight=e,i.margins=n,i.beforeSetDimensions(),i.setDimensions(),i.afterSetDimensions(),i.beforeBuildLabels(),i.buildLabels(),i.afterBuildLabels(),i.beforeFit(),i.fit(),i.afterFit(),i.afterUpdate(),i.minSize},afterUpdate:Si,beforeSetDimensions:Si,setDimensions:function(){var t=this;t.isHorizontal()?(t.width=t.maxWidth,t.left=0,t.right=t.width):(t.height=t.maxHeight,t.top=0,t.bottom=t.height),t.paddingLeft=0,t.paddingTop=0,t.paddingRight=0,t.paddingBottom=0,t.minSize={width:0,height:0}},afterSetDimensions:Si,beforeBuildLabels:Si,buildLabels:function(){var t=this,e=t.options.labels||{},n=H.callback(e.generateLabels,[t.chart],t)||[];e.filter&&(n=n.filter((function(n){return e.filter(n,t.chart.data)}))),t.options.reverse&&n.reverse(),t.legendItems=n},afterBuildLabels:Si,beforeFit:Si,fit:function(){var t=this,e=t.options,n=e.labels,i=e.display,a=t.ctx,r=H.options._parseFont(n),o=r.size,s=t.legendHitBoxes=[],l=t.minSize,u=t.isHorizontal();if(u?(l.width=t.maxWidth,l.height=i?10:0):(l.width=i?10:0,l.height=t.maxHeight),i){if(a.font=r.string,u){var d=t.lineWidths=[0],h=0;a.textAlign="left",a.textBaseline="middle",H.each(t.legendItems,(function(t,e){var i=Pi(n,o)+o/2+a.measureText(t.text).width;(0===e||d[d.length-1]+i+2*n.padding>l.width)&&(h+=o+n.padding,d[d.length-(e>0?0:1)]=0),s[e]={left:0,top:0,width:i,height:o},d[d.length-1]+=i+n.padding})),l.height+=h}else{var c=n.padding,f=t.columnWidths=[],g=t.columnHeights=[],p=n.padding,m=0,v=0;H.each(t.legendItems,(function(t,e){var i=Pi(n,o)+o/2+a.measureText(t.text).width;e>0&&v+o+2*c>l.height&&(p+=m+n.padding,f.push(m),g.push(v),m=0,v=0),m=Math.max(m,i),v+=o+c,s[e]={left:0,top:0,width:i,height:o}})),p+=m,f.push(m),g.push(v),l.width+=p}t.width=l.width,t.height=l.height}else t.width=l.width=t.height=l.height=0},afterFit:Si,isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},draw:function(){var t=this,e=t.options,n=e.labels,i=N.global,a=i.defaultColor,r=i.elements.line,o=t.height,s=t.columnHeights,l=t.width,u=t.lineWidths;if(e.display){var d,h=Mi(e.rtl,t.left,t.minSize.width),c=t.ctx,f=Ci(n.fontColor,i.defaultFontColor),g=H.options._parseFont(n),p=g.size;c.textAlign=h.textAlign("left"),c.textBaseline="middle",c.lineWidth=.5,c.strokeStyle=f,c.fillStyle=f,c.font=g.string;var m=Pi(n,p),v=t.legendHitBoxes,b=function(t,i){switch(e.align){case"start":return n.padding;case"end":return t-i;default:return(t-i+n.padding)/2}},x=t.isHorizontal();d=x?{x:t.left+b(l,u[0]),y:t.top+n.padding,line:0}:{x:t.left+n.padding,y:t.top+b(o,s[0]),line:0},H.rtl.overrideTextDirection(t.ctx,e.textDirection);var y=p+n.padding;H.each(t.legendItems,(function(e,i){var f=c.measureText(e.text).width,g=m+p/2+f,_=d.x,k=d.y;h.setWidth(t.minSize.width),x?i>0&&_+g+n.padding>t.left+t.minSize.width&&(k=d.y+=y,d.line++,_=d.x=t.left+b(l,u[d.line])):i>0&&k+y>t.top+t.minSize.height&&(_=d.x=_+t.columnWidths[d.line]+n.padding,d.line++,k=d.y=t.top+b(o,s[d.line]));var w=h.x(_);!function(t,e,i){if(!(isNaN(m)||m<=0)){c.save();var o=Ci(i.lineWidth,r.borderWidth);if(c.fillStyle=Ci(i.fillStyle,a),c.lineCap=Ci(i.lineCap,r.borderCapStyle),c.lineDashOffset=Ci(i.lineDashOffset,r.borderDashOffset),c.lineJoin=Ci(i.lineJoin,r.borderJoinStyle),c.lineWidth=o,c.strokeStyle=Ci(i.strokeStyle,a),c.setLineDash&&c.setLineDash(Ci(i.lineDash,r.borderDash)),n&&n.usePointStyle){var s=m*Math.SQRT2/2,l=h.xPlus(t,m/2),u=e+p/2;H.canvas.drawPoint(c,i.pointStyle,s,l,u,i.rotation)}else c.fillRect(h.leftForLtr(t,m),e,m,p),0!==o&&c.strokeRect(h.leftForLtr(t,m),e,m,p);c.restore()}}(w,k,e),v[i].left=h.leftForLtr(w,v[i].width),v[i].top=k,function(t,e,n,i){var a=p/2,r=h.xPlus(t,m+a),o=e+a;c.fillText(n.text,r,o),n.hidden&&(c.beginPath(),c.lineWidth=2,c.moveTo(r,o),c.lineTo(h.xPlus(r,i),o),c.stroke())}(w,k,e,f),x?d.x+=g+n.padding:d.y+=y})),H.rtl.restoreTextDirection(t.ctx,e.textDirection)}},_getLegendItemAt:function(t,e){var n,i,a,r=this;if(t>=r.left&&t<=r.right&&e>=r.top&&e<=r.bottom)for(a=r.legendHitBoxes,n=0;n<a.length;++n)if(t>=(i=a[n]).left&&t<=i.left+i.width&&e>=i.top&&e<=i.top+i.height)return r.legendItems[n];return null},handleEvent:function(t){var e,n=this,i=n.options,a="mouseup"===t.type?"click":t.type;if("mousemove"===a){if(!i.onHover&&!i.onLeave)return}else{if("click"!==a)return;if(!i.onClick)return}e=n._getLegendItemAt(t.x,t.y),"click"===a?e&&i.onClick&&i.onClick.call(n,t.native,e):(i.onLeave&&e!==n._hoveredItem&&(n._hoveredItem&&i.onLeave.call(n,t.native,n._hoveredItem),n._hoveredItem=e),i.onHover&&e&&i.onHover.call(n,t.native,e))}});function Di(t,e){var n=new Ai({ctx:t.ctx,options:e,chart:t});pe.configure(t,n,e),pe.addBox(t,n),t.legend=n}var Ti={id:"legend",_element:Ai,beforeInit:function(t){var e=t.options.legend;e&&Di(t,e)},beforeUpdate:function(t){var e=t.options.legend,n=t.legend;e?(H.mergeIf(e,N.global.legend),n?(pe.configure(t,n,e),n.options=e):Di(t,e)):n&&(pe.removeBox(t,n),delete 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t,e=this,n=e.options,i=e.minSize={},a=e.isHorizontal();n.display?(t=(H.isArray(n.text)?n.text.length:1)*H.options._parseFont(n).lineHeight+2*n.padding,e.width=i.width=a?e.maxWidth:t,e.height=i.height=a?t:e.maxHeight):e.width=i.width=e.height=i.height=0},afterFit:Ii,isHorizontal:function(){var t=this.options.position;return"top"===t||"bottom"===t},draw:function(){var t=this,e=t.ctx,n=t.options;if(n.display){var i,a,r,o=H.options._parseFont(n),s=o.lineHeight,l=s/2+n.padding,u=0,d=t.top,h=t.left,c=t.bottom,f=t.right;e.fillStyle=H.valueOrDefault(n.fontColor,N.global.defaultFontColor),e.font=o.string,t.isHorizontal()?(a=h+(f-h)/2,r=d+l,i=f-h):(a="left"===n.position?h+l:f-l,r=d+(c-d)/2,i=c-d,u=Math.PI*("left"===n.position?-.5:.5)),e.save(),e.translate(a,r),e.rotate(u),e.textAlign="center",e.textBaseline="middle";var g=n.text;if(H.isArray(g))for(var p=0,m=0;m<g.length;++m)e.fillText(g[m],0,p,i),p+=s;else e.fillText(g,0,0,i);e.restore()}}});function Oi(t,e){var n=new 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n(t,"max-width","clientWidth")},H.getConstraintHeight=function(t){return n(t,"max-height","clientHeight")},H._calculatePadding=function(t,e,n){return(e=H.getStyle(t,e)).indexOf("%")>-1?n*parseInt(e,10)/100:parseInt(e,10)},H._getParentNode=function(t){var e=t.parentNode;return e&&"[object ShadowRoot]"===e.toString()&&(e=e.host),e},H.getMaximumWidth=function(t){var e=H._getParentNode(t);if(!e)return t.clientWidth;var n=e.clientWidth,i=n-H._calculatePadding(e,"padding-left",n)-H._calculatePadding(e,"padding-right",n),a=H.getConstraintWidth(t);return isNaN(a)?i:Math.min(i,a)},H.getMaximumHeight=function(t){var e=H._getParentNode(t);if(!e)return t.clientHeight;var n=e.clientHeight,i=n-H._calculatePadding(e,"padding-top",n)-H._calculatePadding(e,"padding-bottom",n),a=H.getConstraintHeight(t);return isNaN(a)?i:Math.min(i,a)},H.getStyle=function(t,e){return t.currentStyle?t.currentStyle[e]:document.defaultView.getComputedStyle(t,null).getPropertyValue(e)},H.retinaScale=function(t,e){var 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diff --git a/odex25_maintenance/maintenance_custom/static/src/js/maintenance_charts.js b/odex25_maintenance/maintenance_custom/static/src/js/maintenance_charts.js
new file mode 100644
index 000000000..b33d04683
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/maintenance_charts.js
@@ -0,0 +1,71 @@
+odoo.define('maintenance.charts', function (require) {
+"use strict";
+
+var AbstractField = require('web.AbstractField');
+var registry = require('web.field_registry');
+
+var FieldChart = AbstractField.extend({
+    className: 'pichart',
+    _render: function () {
+        var self = this
+        var fields = self.attrs.keys.split(';')       
+        var labels = self.attrs.labels.split(';')
+        var backgroundColors = self.attrs.backgroundColors.split(';')
+        var borderColors = self.attrs.borderColors.split(';')
+        var cutoutPercentage = 50
+        if (self.attrs.cutoutPercentage){
+            cutoutPercentage = self.attrs.cutoutPercentage
+        }
+            
+        self._rpc({
+            model: self.model,
+            method: 'search_read',
+            fields: fields,
+            domain: [['id', '=', self.res_id]],
+        }).then(function (result) {
+            var vals = result[0]
+            var data = []
+            for (var f = 0 ; f < fields.length ; f++) {
+                var fld = fields[f]
+                data += [vals[fld]]
+            }
+            var ctx = document.createElement("canvas");
+            var myChart = new Chart(ctx, {
+                type: 'doughnut',
+                data: {
+                    labels:labels ,
+                    datasets: [{
+                        label: '# Work Orders',
+                        data: data,
+                        backgroundColor : backgroundColors,
+                        borderColor:borderColors,
+                        borderWidth: 1
+                    }]
+                },
+                options: {
+                    responsive : true,
+                    cutoutPercentage : cutoutPercentage,
+                    title: {
+                        display: true,
+                        text: self.value,
+                    },
+                    legend: {
+                        display: true,
+                        position : 'right',
+                        labels : {
+                            boxWidth : 15,
+                            usePointStyle : false,
+                        },
+                    }
+                }
+            });  
+            //this.$el.empty();
+            self.$el.append(ctx)
+        });
+       
+    },
+    
+});
+
+registry.add('pichart', FieldChart)
+});
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/static/src/js/report.js b/odex25_maintenance/maintenance_custom/static/src/js/report.js
new file mode 100644
index 000000000..9e21dafed
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/js/report.js
@@ -0,0 +1,14 @@
+odoo.oepetstore = function(instance, local) {
+    var _t = instance.web._t,
+        _lt = instance.web._lt;
+    var QWeb = instance.web.qweb;
+
+    local.HomePage = instance.Widget.extend({
+        start: function() {
+            console.log("pet store home page loaded");
+        },
+    });
+
+    instance.web.client_actions.add(
+        'petstore.homepage', 'instance.oepetstore.HomePage');
+}
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/static/src/summary.scss b/odex25_maintenance/maintenance_custom/static/src/summary.scss
new file mode 100644
index 000000000..945429049
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/summary.scss
@@ -0,0 +1,75 @@
+
+
+.o_kanban_view.o_kanban_ungrouped.o_kanban_dashboard.o_maintenance_summary {
+
+    .panel.large {
+        width: 70%;
+    }
+    .panel.med {
+        width: 45%;
+        }
+    
+    .o_kanban_record{
+            background-color: white;
+            border: none;
+    }
+
+    .box-title{
+        font-weight: bold;
+    }
+
+    .panel-title{
+        font-size: 16px;
+        font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+        letter-spacing: 0;
+        font-weight: bold;
+        color: #888888;
+        padding: 0 0 4px;
+        border-bottom: 1px solid #F2F2F2;
+        
+    }
+
+    .boxes{
+        display: table;
+        border-spacing: 12px;
+        font-size: 14px;
+        margin-top:5px;
+        width: 100%; /*Optional*/
+    }
+
+    .box{
+        padding-left: 10px;
+        padding-right: 10px;
+        border-color: #ced4da;
+        border: 1px solid #dee2e6;
+        background-color: white;
+        color: #5D8DA8;
+        text-align: center;
+        margin-top:50px;
+        width: 150px;
+        height: 150px;
+        display: table-cell;
+    }
+
+    .box:hover{
+        color: #324e5d;
+    }
+    .box-title{
+        margin: 10px;
+        margin-top: 50px;
+    }
+
+    .box-content{
+        margin: 15px;
+    }
+
+    .danger{
+        color: #dc3545;
+    }
+
+    .done{
+        color:#28a745;
+    }
+}
+
+
diff --git a/odex25_maintenance/maintenance_custom/static/src/xml/chart_template.xml b/odex25_maintenance/maintenance_custom/static/src/xml/chart_template.xml
new file mode 100644
index 000000000..f5898c1e9
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/xml/chart_template.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+    <t t-name="ChartTemplate">
+        <div style="background-color: red;">This is some simple HTML</div>
+    </t>
+</templates>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/static/src/xml/report_template.xml b/odex25_maintenance/maintenance_custom/static/src/xml/report_template.xml
new file mode 100644
index 000000000..5afa86509
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/static/src/xml/report_template.xml
@@ -0,0 +1,7 @@
+<templates>
+    <div t-name="maintenance.report.action">
+        <div>
+            <h1>Hello</h1>
+        </div>
+    </div>
+</templates>
diff --git a/odex25_maintenance/maintenance_custom/views/maintenance_asset.xml b/odex25_maintenance/maintenance_custom/views/maintenance_asset.xml
new file mode 100644
index 000000000..fddb0b4eb
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/views/maintenance_asset.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <!-- Inherit Form View to Modify it -->
+        <record id="equipment_order_form_inherit" model="ir.ui.view">
+            <field name="name">equipment.order.form.inherit</field>
+            <field name="model">maintenance.request</field>
+            <field name="inherit_id" ref="maintenance_custom.hr_equipment_order_view_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//field[@name='email_cc']" position="before">
+
+                    <label for="asset_id" invisible="0"/>
+                    <div invisible="0">
+                        <field name="asset_id"
+                               class="oe_inline"/>
+                    </div>
+                </xpath>
+            </field>
+        </record>
+        <record id="asset_maintenance_order_form_inherit" model="ir.ui.view">
+            <field name="name">asset.maintenance.order.form.inherit</field>
+            <field name="model">maintenance.request</field>
+            <field name="inherit_id" ref="maintenance.hr_equipment_request_view_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//field[@name='company_id']" position="after">
+                    <field name="asset_id"/>
+                </xpath>
+            </field>
+        </record>
+    </data>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/views/maintenance_checklist.xml b/odex25_maintenance/maintenance_custom/views/maintenance_checklist.xml
new file mode 100644
index 000000000..783285320
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/views/maintenance_checklist.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <!-- Inherit Form View to Modify it -->
+        <record id="equipment_request_form_checklist" model="ir.ui.view">
+            <field name="name">equipment.request.form.checklist</field>
+            <field name="model">maintenance.request</field>
+            <field name="inherit_id" ref="maintenance.hr_equipment_request_view_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//page[@name='assets_info']" position="after">
+                    <page string="Checklist" name="checklist_info">
+                        <field name="checklist_lines">
+                            <tree string="Checklist For Inspection" editable="bottom">
+                                <field name="name"/>
+                                <field name="description"/>
+                            </tree>
+                        </field>
+                    </page>
+                </xpath>
+            </field>
+        </record>
+    </data>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/views/maintenance_view.xml b/odex25_maintenance/maintenance_custom/views/maintenance_view.xml
new file mode 100644
index 000000000..39323abec
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/views/maintenance_view.xml
@@ -0,0 +1,726 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<odoo>
+    <template id="assets_backend" name="maintenance assets" inherit_id="web.assets_backend">
+        <xpath expr="." position="inside">
+            <link rel="stylesheet" type="text/scss" href="/maintenance_custom/static/src/summary.scss"/>
+            <link rel="stylesheet" type="text/scss" href="/maintenance_custom/static/src/js/Chart.css"/>
+            <script type="text/javascript" src="/maintenance_custom/static/src/js/Chart.js"></script>
+            <script type="text/javascript" src="/maintenance_custom/static/src/js/maintenance_charts.js"></script>
+        </xpath>
+    </template>
+
+    <record id="product_template_only_form_view_inhrit" model="ir.ui.view">
+        <field name="name">product.template</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="product.product_template_only_form_view"/>
+        <field name="arch" type="xml">
+            <field name="barcode" position="after">
+                <field name="is_spare"/>
+                <field name="is_tool"/>
+            </field>
+        </field>
+    </record>
+
+    <record id="equipments_locations_view_form" model="ir.ui.view">
+        <field name="name">equipment.locations</field>
+        <field name="model">equipment.locations</field>
+        <field name="arch" type="xml">
+            <form>
+                <field name="name"/>
+            </form>
+        </field>
+    </record>
+
+     <record id="equipments_locations_view_tree" model="ir.ui.view">
+        <field name="name">equipment.locations.tree</field>
+        <field name="model">equipment.locations</field>
+        <field name="arch" type="xml">
+            <tree string="Equipment Locations">
+                <field name="name"/>
+            </tree>
+        </field>
+     </record>
+
+    <record id="equipments_locations_action" model="ir.actions.act_window">
+        <field name="name">Equipment Locations</field>
+        <field name="res_model">equipment.locations</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <record id="hr_equipment_job_view_form" model="ir.ui.view">
+        <field name="name">maintenance.equipment.job</field>
+        <field name="model">maintenance.equipment.job</field>
+        <field name="arch" type="xml">
+            <form>
+                <div class="oe_title">
+                    <label for="name" class="oe_edit_only" string="Title" readonly="True"/>
+                    <h1>
+                        <field name="name" placeholder="Maintenance Request" required="1"/>
+                    </h1>
+                </div>
+                <group>
+                    <group>
+                        <field name="user_id" required="1"/>
+                        <field name="period" required="1"/>
+                        <field name="start_date" required="1"/>
+                        <field name="attachment" required="0"/>
+                    </group>
+                    <group>
+                        <field name="period_type" required="1"/>
+                        <field name="maintenance_time" widget="float_time"/>
+                        <field name="next_action_date" readonly="1"/>
+                    </group>
+                </group>
+                <group string="Related Tasks">
+                    <field name="task_ids" nolabel="1">
+                        <tree editable="bottom">
+                            <field name="sequence" widget="handle"/>
+                            <field name="name"/>
+                        </tree>
+                    </field>
+                </group>
+            </form>
+        </field>
+    </record>
+
+    <record id="hr_equipments_jobs_view_form" model="ir.ui.view">
+        <field name="name">maintenance.equipments.jobs</field>
+        <field name="model">maintenance.equipments.jobs</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <div class="oe_button_box" name="button_box">
+                        <button name="creat_equi" type="object" class="oe_stat_button" icon="fa-wrench"
+                        string="Create Jobs">
+                     </button>
+                    </div>
+                    <div class="oe_title">
+                        <label for="name" class="oe_edit_only" string="Title" readonly="True"/>
+                        <h1>
+                            <field name="name" placeholder="Maintenance Request" required="1"/>
+                        </h1>
+                    </div>
+                    <group>
+                        <group>
+                            <field name="equipments_id" required="1" widget="many2many_tags"/>
+                            <field name="user_id" required="1"/>
+                            <field name="period" required="1"/>
+                            <field name="start_date" required="1" />
+                            <field name="attachment" required="0" />
+                        </group>
+                        <group>
+                            <field name="period_type" required="1"/>
+                            <field name="maintenance_time" widget="float_time"/>
+                            <field name="next_action_date" readonly="1"/>
+                        </group>
+                    </group>
+                    <group string="Related Tasks">
+                        <field name="task_ids" nolabel="1">
+                            <tree editable="bottom">
+                                <field name="sequence" widget="handle"/>
+                                <field name="name" />
+                            </tree>
+                        </field>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="hr_equipment_view_form_inherit" model="ir.ui.view">
+        <field name="name">maintenance.equipment.form</field>
+        <field name="model">maintenance.equipment</field>
+        <field name="inherit_id" ref="maintenance.hr_equipment_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//button[1]" position="after">
+                <button name="create_maintenance_job" type="object" class="oe_stat_button" icon="fa-wrench"
+                        string="Create Jobs">
+                </button>
+            </xpath>
+             <xpath expr="//field[@name='location']" position="replace">
+                <field name="location2"/>
+            </xpath>
+            <xpath expr="//page[3]" position="attributes">
+                <attribute name="invisible">1</attribute>
+            </xpath>
+            <xpath expr="//page[3]" position="after">
+                <page string="Maintenance">
+                    <field name="job_ids">
+                        <tree>
+                            <field name="name"/>
+                            <field name="user_id"/>
+                            <field name="next_action_date"/>
+                        </tree>
+                    </field>
+                </page>
+            </xpath>
+        </field>
+    </record>
+
+
+    <record id="hr_equipment_stage_view_tree_inherit" model="ir.ui.view">
+        <field name="name">maintenance.stage.tree</field>
+        <field name="model">maintenance.stage</field>
+        <field name="inherit_id" ref="maintenance.hr_equipment_stage_view_tree"/>
+        <field name="arch" type="xml">
+            <field name="done" position="after">
+                <field name="stage_type"/>
+                <field name="next_stage_ids" widget="many2many_tags"/>
+                <field name="pre_stage_ids" widget="many2many_tags"/>
+            </field>
+        </field>
+    </record>
+
+
+    <record id="hr_maintenance.maintenance_request_view_form_inherit_hr" model="ir.ui.view">
+        <field name="name">maintenance.form</field>
+        <field name="model">maintenance.request</field>
+        <field name="inherit_id" ref="maintenance.hr_equipment_request_view_form"/>
+        <field name="arch" type="xml">
+            <field name="name" position="replace">
+                <field name="name" placeholder="Maintenance Request"
+                       attrs="{'readonly':[('stage_type','=','confirm')]}"/>
+            </field>
+            <xpath expr="//header" position="inside">
+                <button class="oe_highlight" type="object" name="request_order_creation" string="Confirm"
+                        attrs="{'invisible':[('stage_type' , '!=' , 'draft')]}"/>
+                <button class="oe_highlight" type="object" name="maintenance_order_creation" string="Maintenance Order"
+                        attrs="{'invisible':[('stage_type' , '!=' , 'confirm')]}"/>
+                <button class="oe_highlight" type="object" name="order_set_to_draft" string="Set To Draft"
+                        attrs="{'invisible':[('stage_type' , '!=' , 'cancel')]}"/>
+            </xpath>
+            <xpath expr="//sheet" position="inside">
+                <notebook>
+                    <page string="Matrials" name="purchase_request_info">
+                        <field name="line_ids">
+                            <tree editable="bottom">
+
+                                <field name="product_id"
+                                       domain="[('purchase_ok', '=', True),('categ_id','child_of',parent.product_category_ids)]"
+                                       options="{'no_create' : True , 'no_edit' : True ,'no_open' : True}"/>
+                                <field name="uom_id"
+                                       attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>
+                                <field name="qty" attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>
+                                <field name="price_unit"
+                                       attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>
+
+                                <field name="name"/>
+                                <!--                                <field name="product_id"-->
+                                <!--                                       domain="[('purchase_ok', '=', True),('categ_id','child_of',parent.product_category_ids)]"-->
+                                <!--                                       options="{'no_create' : True , 'no_edit' : True ,'no_open' : True}"/>-->
+                                <!--                                <field name="qty" attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>-->
+                                <!--                                <field name="uom_id"-->
+                                <!--                                       attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>-->
+                                <!--                                <field name="price_unit"-->
+                                <!--                                       attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>-->
+                                <field name="sum_total" force_save="1" sum="Total amount"/>
+                                <field name="account_id"/>
+                            </tree>
+                        </field>
+                    </page>
+                    <page string="Account Assets Info" name="assets_info">
+                        <group>
+                            <field name="employee_id"/>
+                            <field name="department_id"/>
+                            <field name="user_id"/>
+                            <field name="acquisition_date"/>
+                        </group>
+                    </page>
+                </notebook>
+            </xpath>
+
+            <!--            todo end -->
+            <field name="description" position="replace"/>
+            <xpath expr="//group[1]" position="replace">
+                <notebook>
+                    <page string="Request">
+                        <group>
+                            <group>
+                                <field name="code" readonly="True"/>
+                                <field name="employee_id" string="Requester"
+                                       options="{'no_create_edit': True, 'no_open': True}"
+                                       attrs="{'readonly':[('stage_type','=','confirm')]}"/>
+                                <field name="equipment_id" string="Machine" options="{'no_create': True}"
+                                       context="{'default_company_id':company_id, 'default_category_id':category_id}"
+                                       attrs="{'readonly':[('stage_type','=','confirm')]}"/>
+                                <field name="category_id" options="{'no_create': True}"
+                                       groups="maintenance.group_equipment_manager"
+                                       context="{'default_company_id':company_id}" invisible="1"/>
+                                <field name="done" invisible="1"/>
+                                <field name="close_date" invisible="1" attrs="{'invisible': [('done', '!=', True)]}"
+                                       readonly="True"/>
+                                <field name="archive" invisible="1"/>
+                                <field name="maintenance_type" widget="radio" invisible="1"/>
+                                <field name="done_time"
+                                       attrs="{'invisible':[('stage_type','not in', ['request_done' , 'repair_done'])], 'required' : [('stage_type','in', ['request_done' , 'repair_done'])],'readonly':[('stage_type','=','confirm')]}"/>
+                                <field name="down_time" widget="float_time"
+                                       attrs="{'invisible':['|','|' ,('machine_status','!=','out_service'),('stage_type','not in', ['request_done' , 'repair_done']),('maintenance_type','!=', 'corrective')],'readonly':[('stage_type','=','confirm')]}"
+                                       class="oe_inline"/>
+                                <field name="product_loss"
+                                       attrs="{'invisible':['|','|' ,('machine_status','!=','part'),('stage_type','not in', ['request_done' , 'repair_done']),('maintenance_type','!=', 'corrective')],'readonly':[('stage_type','=','confirm')]}"
+                                       class="oe_inline"/>
+                                <field name="dis_priority" widget="radio"/>
+                                <field name="vendor_id"/>
+                            </group>
+                            <group>
+                                <field name="request_date" readonly="True"/>
+                                <field name="department_id" attrs="{'readonly':[('stage_type','=','confirm')]}"
+                                       options="{'no_create': True}"/>
+                                <field name="maintenance_team_id"/>
+                                <field name="machine_status" invisible="0"
+                                       attrs="{'readonly':[('stage_type','=','confirm')]}"/>
+                                <field name="failure_id"
+                                       attrs="{'readonly':['|',('stage_type','=','confirm'),('stage_type', '=' , 'order')],'invisible':[('stage_type','not in',['for_order', 'request_done' , 'repair_done'])],'required':[('stage_type','in',['for_order' , 'request_done' , 'repair_done'])]}"/>
+                                <field name="user_id" options="{'no_create': True}" string="Supervisor"
+                                       attrs="{'invisible':[('stage_type','not in',['for_order', 'request_done' , 'repair_done'])],'required':[('stage_type','in',['for_order' , 'request_done' , 'repair_done'])],'readonly':[('stage_type','=','confirm')]}"/>
+                                <field name="schedule_date"
+                                       attrs="{'invisible':[('stage_type','not in',['for_order','repair_done','request_done'])],'readonly':[('stage_type','=','confirm')]}"/>
+                                <field name="stage_type" invisible="1"/>
+                                <label for="duration"
+                                       attrs="{'invisible':[('stage_type','not in',['for_order','repair_done','request_done'])],'readonly':[('stage_type','=','confirm')]}"/>
+                                <div attrs="{'invisible':[('stage_type','not in',['for_order','repair_done','request_done'])],'readonly':[('stage_type','=','confirm')]}">
+                                    <field name="duration" widget="float_time" class="oe_inline"/>
+                                    <span class="ml8">hours</span>
+                                </div>
+
+                                <field name="email_cc" string="Email cc" groups="base.group_no_one" invisible="1"/>
+                                <field name="company_id" attrs="{'readonly':['|',('stage_type','=','confirm')]}"
+                                       options="{'no_create': True}" groups="base.group_multi_company"/>
+                            </group>
+                        </group>
+                        <group string="Description">
+                            <field name="description" attrs="{'readonly':[('stage_type','=','confirm')]}" nolabel="1"/>
+                        </group>
+                    </page>
+                </notebook>
+            </xpath>
+            <!--            todo start -->
+            <xpath expr="//field[@name='employee_id']" position="after">
+                <field name="partner_id"/>
+                <field name="product_category_ids" required="1" widget="many2many_tags"/>
+            </xpath>
+            <!--            todo end-->
+        </field>
+    </record>
+    <!-- Inherit Form View to Modify it -->
+    <record id="hr_equipment_request_view_form_custom" model="ir.ui.view">
+        <field name="name">hr.equipment.request.view.form.custom</field>
+        <field name="model">maintenance.request</field>
+        <field name="inherit_id" ref="maintenance.hr_equipment_request_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='stage_id']" position="attributes">
+                <attribute name="options">{'no_edit': True}</attribute>
+            </xpath>
+
+        </field>
+    </record>
+
+
+    <!--            maintenance order form-->
+    <record id="hr_equipment_order_view_form" model="ir.ui.view">
+        <field name="name">equipment.order.form</field>
+        <field name="model">maintenance.request</field>
+        <field name="arch" type="xml">
+            <form string="Maintenance Order">
+                <header>
+                    <field name="stage_id" widget="statusbar"/>
+                    <field name="purchase_order_id" invisible="1"/>
+                    <button class="oe_highlight" type="object" name="maintenance_order_done" string="Done"
+                            attrs="{'invisible':[('stage_type' , '!=' , 'for_order')]}"/>
+                    <button string="Reopen Request" name="reset_equipment_request" type="object"
+                            attrs="{'invisible': [('archive', '=', False)]}"/>
+                    <button name="create_purchase_request" type="object" string="Create Purchase Request"
+                            class="oe_highlight" attrs="{'invisible':['|',('stage_type' , '!=' , 'for_order'),('purchase_order_id' , '!=' , False)]}"/>
+                    <button name="archive_equipment_request" type="object" string="Cancel"
+                            class="oe_highlight" attrs="{'invisible':[('stage_type' , '!=' , 'for_order')]}"/>
+                </header>
+                <sheet>
+                    <div class="oe_button_box">
+                        <button width='200' class="oe_stat_button" type="object"
+                                name="to_open_maintenance_purchase_order"
+                                icon="fa-file" attrs="{'invisible':[('stage_type' , '!=' , 'for_order')]}">
+                            <field string="Purchase Request" name="purchase_order_count" widget="statinfo"
+                                   attrs="{'invisible':[('stage_type' , '!=' , 'for_order')]}"/>
+                        </button>
+                    </div>
+                    <div attrs="{'invisible': [('archive', '=', False)]}">
+                        <span class="badge badge-warning float-right">Canceled</span>
+                    </div>
+                    <div class="oe_right">
+                        <field name="kanban_state" class="oe_inline" widget="state_selection"/>
+                    </div>
+                    <div class="oe_title">
+                        <label for="name" class="oe_edit_only" string="Title" readonly="True"/>
+                        <h1>
+                            <field name="name" attrs="{'readonly':[('stage_type','=','confirm')]}"
+                                   placeholder="Maintenance Request"/>
+                        </h1>
+                    </div>
+                    <notebook>
+                        <page string="Matrials" name="purchase_request_info">
+                            <field name="line_ids">
+                                <tree editable="bottom">
+                                    <field name="name"/>
+                                    <field name="product_id"/>
+                                    <field name="qty"
+                                           attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>
+                                    <field name="uom_id"/>
+                                    <field name="price_unit"
+                                           attrs="{'column_required':[('parent.stage_type' , '!=' , 'draft')]}"/>
+                                    <field name="sum_total" force_save="1" sum="Total amount"/>
+                                    <field name="account_id"/>
+                                </tree>
+                            </field>
+                        </page>
+                        <page string="Request Details">
+                            <group>
+                                <group>
+                                    <field name="code" readonly="True"/>
+                                    <field name="partner_id" />
+                                    <field name="employee_id" string="Requester"
+                                           options="{'no_create_edit': True, 'no_open': True}"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="equipment_id" string="Machine"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"
+                                           context="{'default_company_id':company_id, 'default_category_id':category_id}"/>
+                                    <field name="purchase_order_id" readonly="1" attrs="{'invisible':[('purchase_order_id','=',False)]}"/>
+                                    <field name="category_id"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"
+                                           groups="maintenance.group_equipment_manager"
+                                           context="{'default_company_id':company_id}" invisible="1"/>
+                                    <field name="done" invisible="1"/>
+                                    <field name="close_date" invisible="1" attrs="{'invisible': [('done', '!=', True)]}"
+                                           readonly="True"/>
+                                    <field name="archive" invisible="1"/>
+                                    <field name="entry_source" invisible="1"/>
+                                    <field name="done_time"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')],'invisible':[('stage_type','not in', ['request_done' , 'repair_done'])]}"/>
+                                    <field name="down_time" widget="float_time" attrs="{
+                                     'readonly' : ['|',('stage_type','=','confirm'),('entry_source' , '!=' , 'order')],
+                                     'invisible':['|','|' ,('machine_status','!=','out_service'),('stage_type','not in', ['request_done' , 'repair_done']),('maintenance_type','!=', 'corrective')]}"
+                                           class="oe_inline"/>
+                                    <field name="product_loss" attrs="{
+                                     'readonly' : ['|',('stage_type','=','confirm'),('entry_source' , '!=' , 'order')],
+                                     'invisible':['|','|' ,('machine_status','!=','part'),('stage_type','not in', ['request_done' , 'repair_done']),('maintenance_type','!=', 'corrective')]}"
+                                           class="oe_inline"/>
+                                    <field name="dis_priority"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"
+                                           widget="radio"/>
+                                </group>
+                                <group>
+                                    <field name="request_date" readonly="1"/>
+                                    <field name="department_id"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="machine_status" invisible="0"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="maintenance_type" widget="radio" invisible="0"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="maintenance_category"
+                                           attrs="{ 'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <!--                                    'invisible':[('entry_source','!=', 'order')],-->
+                                    <field name="failure_id"
+                                           attrs="{'invisible':[('maintenance_type','!=', 'corrective')]}"/>
+                                    <field name="user_id" string="Supervisor" options="{'no_create': True}"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="employee_ids" invisible="1" options="{'no_create': True}"
+                                           widget="many2many_tags"/>
+                                    <field name="schedule_date" invisible="0"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="stage_type" invisible="1"/>
+                                    <label for="duration" invisible="0"/>
+                                    <div invisible="0">
+                                        <field name="duration"
+                                               attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"
+                                               widget="float_time" class="oe_inline"/>
+                                        <span class="ml8">hours</span>
+                                    </div>
+
+                                    <field name="email_cc" string="Email cc" groups="base.group_no_one" invisible="1"/>
+                                    <field name="company_id" options="{'no_create': True}"
+                                           groups="base.group_multi_company" readonly="True"/>
+                                </group>
+                            </group>
+                            <group string="Description">
+                                <field name="description" nolabel="1"
+                                       attrs="{'readonly':[('entry_source', '!=' , 'order')]}"/>
+                            </group>
+                        </page>
+                        <page string="Checklist" name="checklist_info">
+                            <field name="checklist_lines">
+                                <tree string="Checklist For Inspection" editable="bottom">
+                                    <field name="name"/>
+                                    <field name="description"/>
+                                </tree>
+                            </field>
+                        </page>
+                        <page string="Supervisor">
+                            <group>
+                                <group>
+                                    <field name="user_id" string="Supervisor" options="{'no_create': True}"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="maintenance_team_id"
+                                           attrs="{'invisible':[('maintenance_type','!=', 'corrective')],'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"
+                                           options="{'no_create': True}" invisible="1"/>
+                                    <field name="team_type"
+                                           attrs="{'invisible':[('maintenance_type','!=', 'corrective')],'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="start_time"
+                                           attrs="{'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                </group>
+                                <group>
+                                    <field name="failure_id"
+                                           attrs="{'invisible':[('maintenance_type','!=', 'corrective')],'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="out_entity_id" options="{'no_create': True}"
+                                           attrs="{'invisible' : [('team_type' , '!=' , 'out')],'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="dis_employee_ids" options="{'no_create': True}" widget="many2many_tags"
+                                           attrs="{'invisible' : [('team_type' , '!=' , 'in')],'readonly':['|',('stage_type','=','confirm'),('entry_source', '!=' , 'order')]}"/>
+                                    <field name="employee_ids" invisible="1" options="{'no_create': True}"
+                                           widget="many2many_tags"/>
+                                </group>
+                            </group>
+                            <group string="Failure Description"
+                                   attrs="{'invisible':[('maintenance_type','!=', 'corrective')]}">
+                                <field name="failure_desc" nolabel="1"/>
+                            </group>
+                            <group string="Failure root cause"
+                                   attrs="{'invisible':[('maintenance_type','!=', 'corrective')]}">
+                                <field name="failure_cause_id" nolabel="1"/>
+                            </group>
+                            <group string="Maintenance Work"
+                                   attrs="{'invisible':[('maintenance_type','!=', 'corrective')]}">
+                                <field name="maintenance_work" nolabel="1"/>
+                            </group>
+                            <group attrs="{'invisible':[('maintenance_type','!=', 'preventive')]}">
+                                <field name="attachment" required="0" readonly="1"/>
+                            </group>
+                            <group string="Tasks" attrs="{'invisible':[('maintenance_type','!=', 'preventive')]}">
+                                <field name="task_ids" nolabel="1">
+                                    <tree editable="bottom">
+                                        <field name="name"/>
+                                        <field name="employee_id" required="1"/>
+                                        <field name="time" widget="float_time"/>
+                                        <field name="duration" widget="float_time"/>
+                                        <field name="is_done"/>
+                                    </tree>
+                                </field>
+                            </group>
+                            <group string="Tools">
+                                <field name="tool_ids" nolabel="1" widget="many2many_tags"/>
+                            </group>
+                            <!--                            <group string="Spares">-->
+                            <!--                                <field name="spare_ids" nolabel="1">-->
+                            <!--                                    <tree editable="bottom">-->
+                            <!--                                        <field name="spare_id"/>-->
+                            <!--                                        <field name="quantity"/>-->
+                            <!--                                        <field name="cost"/>-->
+                            <!--                                        <field name="total"/>-->
+                            <!--                                    </tree>-->
+                            <!--                                </field>-->
+                            <!--                            </group>-->
+                        </page>
+                    </notebook>
+                </sheet>
+                <div class="oe_chatter">
+                    <field name="message_follower_ids" widget="mail_followers"/>
+                    <field name="activity_ids" widget="mail_activity"/>
+                    <field name="message_ids" widget="mail_thread"/>
+                </div>
+            </form>
+        </field>
+    </record>
+
+    <record id="maintenance_failure_view_form" model="ir.ui.view">
+        <field name="name">maintenance.failure.form</field>
+        <field name="model">maintenance.failure</field>
+        <field name="arch" type="xml">
+            <form string="Fiulre Types">
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                    </group>
+                    <group string='Related Engineers'>
+                        <field name="user_ids" nolabel="1"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="maintenance_summary_kanban" model="ir.ui.view">
+        <field name="name">Maintenance Summary</field>
+        <field name="model">maintenance.summary</field>
+        <field name="arch" type="xml">
+            <kanban class="oe_background_grey o_kanban_dashboard o_maintenance_summary" create="0">
+                <templates>
+                    <t t-name="kanban-box">
+                        <div class="panel med">
+                            <field name="order_chart" widget="pichart" keys="total_open;total_repair;total_close"
+                                   labels="Open;Repaired;Closed"
+                                   backgroundColors="rgba(255, 99, 132, 0.2);rgba(54, 162, 235, 0.2);rgba(255, 206, 86, 0.2)"
+                                   borderColors="rgba(255, 99, 132, 1);rgba(54, 162, 235, 1);rgba(255, 206, 86, 1)"/>
+                        </div>
+                        <div class="panel med">
+                            <field name="priority_chart" widget="pichart" keys="total_low;total_normal;total_high"
+                                   labels="Low;Normal;High" backgroundColors="#80ff00;#e0ff33;red"
+                                   borderColors="#80ff00;#e0ff33;red"/>
+                        </div>
+                        <div class="panel med">
+                            <field name="planned_chart" widget="pichart" keys="total_planned;total_unplanned"
+                                   labels="Planned;Un Planned" backgroundColors="#87CEFA;#F0F8FF"
+                                   borderColors="#F0F8FF;#F0F8FF" cutoutPercentage="85"/>
+                        </div>
+                        <div class="panel med">
+                            <div class="boxes">
+                                <div class="box zooba">
+                                    <div class="box-title">Partially effect</div>
+                                    <div class="box-content">
+                                        <field name="total_partially_effect"/>
+                                    </div>
+                                </div>
+                                <div class="box zooba">
+                                    <div class="box-title">losses of production</div>
+                                    <div class="box-content">
+                                        <field name="total_loss"/>
+                                        units
+                                    </div>
+                                </div>
+                            </div>
+                            <div class="boxes">
+                                <div class="box zooba">
+                                    <div class="box-title">Out of Service</div>
+                                    <div class="box-content">
+                                        <field name="total_outservice"/>
+                                    </div>
+                                </div>
+                                <div class="box zooba">
+                                    <div class="box-title">Downtime</div>
+                                    <div class="box-content">
+                                        <field name="total_downtime"/>
+                                        Hour(s)
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </t>
+                </templates>
+            </kanban>
+        </field>
+    </record>
+
+    <!-- Form view for "model" -->
+    <record id="purchase_order_custom_form_view" model="ir.ui.view">
+        <field name="name">view.purchase.order.form</field>
+        <field name="model">purchase.order</field>
+         <field name="inherit_id" ref="purchase_requisition_custom.purchase_order_custom_form_view" />
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='request_id']" position="after">
+                <field name="maintenance_id"  readonly="1"/>
+            </xpath>            
+        </field>
+    </record>
+    
+    <record id="maintenance_failure_view_tree" model="ir.ui.view">
+        <field name="name">maintenance.failure.tree</field>
+        <field name="model">maintenance.failure</field>
+        <field name="arch" type="xml">
+            <tree string="Fiulre Types">
+                <field name="name"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="maintenance_failure_action" model="ir.actions.act_window">
+        <field name="name">Failure Types</field>
+        <field name="res_model">maintenance.failure</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <record id="maintenance_equipments_group_action" model="ir.actions.act_window">
+        <field name="name">Maintenance Equipments</field>
+        <field name="res_model">maintenance.equipments.jobs</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <record id="hr_equipment_order_action" model="ir.actions.act_window">
+        <field name="name">Maintenance Orders</field>
+        <field name="res_model">maintenance.request</field>
+        <field name="view_mode">tree,form</field>
+        <field name="context">{'default_user_id': uid, 'default_entry_source' : 'order'}</field>
+        <field name="domain">['|',('stage_id.stage_type','=','for_order'),('entry_source','=','order')]</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Add a new maintenance request
+            </p>
+            <p>
+                Follow the process of the request and communicate with the collaborator.
+            </p>
+        </field>
+    </record>
+
+    <record id="maintenance.hr_equipment_request_action" model="ir.actions.act_window">
+        <field name="domain">['|',('maintenance_type','=','corrective'),('entry_source','=',
+            'request'),('stage_id.stage_type','!=','for_order')]
+        </field>
+        <field name="context">{'default_user_id': uid , 'default_maintenance_category':'unplanned'}</field>
+    </record>
+
+    <record id="action_order_tree" model="ir.actions.act_window.view">
+        <field eval="1" name="sequence"/>
+        <field name="view_mode">tree</field>
+        <field name="act_window_id" ref="hr_equipment_order_action"/>
+    </record>
+
+    <record id="action_request_tree" model="ir.actions.act_window.view">
+        <field eval="1" name="sequence"/>
+        <field name="view_mode">tree</field>
+        <field name="act_window_id" ref="maintenance.hr_equipment_request_action"/>
+    </record>
+
+
+    <record id="action_order_form" model="ir.actions.act_window.view">
+        <field eval="2" name="sequence"/>
+        <field name="view_mode">form</field>
+        <field name="view_id" ref="hr_equipment_order_view_form"/>
+        <field name="act_window_id" ref="hr_equipment_order_action"/>
+    </record>
+
+    <record id="action_request_form" model="ir.actions.act_window.view">
+        <field eval="2" name="sequence"/>
+        <field name="view_mode">form</field>
+        <field name="view_id" ref="maintenance.hr_equipment_request_view_form"/>
+        <field name="act_window_id" ref="maintenance.hr_equipment_request_action"/>
+    </record>
+
+    <record id="maintenance_summary_dashboard_action" model="ir.actions.act_window">
+        <field name="name">Maintenance Summary</field>
+        <field name="res_model">maintenance.summary</field>
+        <field name="view_id" ref="maintenance_summary_kanban"/>
+        <field name="view_mode">kanban</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Add a new record in the Equipment Category
+            </p>
+        </field>
+    </record>
+
+    <menuitem id="menu_m_request_form" name="Maintenance Orders" parent="maintenance.menu_m_request"
+              action="hr_equipment_order_action" groups="maintenance.group_equipment_manager,base.group_user"
+              sequence="1"/>
+    <menuitem id="menu_m_group_form" name="Maintenance Equipments Group" parent="maintenance.menu_m_request"
+              action="maintenance_equipments_group_action" sequence="5"/>
+
+    <menuitem action="sale.product_template_action" id="menu_product_template_action"
+              parent="maintenance.menu_maintenance_configuration" sequence="1"/>
+
+    <menuitem action="maintenance_failure_action" id="menu_failure_types" name="Failure Types"
+              parent="maintenance.menu_maintenance_configuration" sequence="1"/>
+
+    <menuitem id="maintenance_summary_dashboard_menu" name="Maintenance Summary"
+              parent="maintenance.maintenance_reporting" groups="maintenance.group_equipment_manager,base.group_user"
+              action="maintenance_summary_dashboard_action"/>
+    <menuitem id="equipments_locations_menu" name="Equipments Locations"
+              parent="maintenance.menu_maintenance_configuration"
+              action="equipments_locations_action"/>
+
+
+</odoo>
diff --git a/odex25_maintenance/maintenance_custom/views/menu_security_cus.xml b/odex25_maintenance/maintenance_custom/views/menu_security_cus.xml
new file mode 100644
index 000000000..4e9ff5f47
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/views/menu_security_cus.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Customize menu security -->
+<odoo>
+    <record model="ir.ui.menu" id="maintenance.menu_maintenance_title">
+        <field name="groups_id" eval="[(6,0,[ref('maintenance.group_equipment_manager')])]"/>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/wizard/__init__.py b/odex25_maintenance/maintenance_custom/wizard/__init__.py
new file mode 100644
index 000000000..550af45e2
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/wizard/__init__.py
@@ -0,0 +1 @@
+from . import maintenance_report_wiz
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/wizard/maintenance_report_wiz.py b/odex25_maintenance/maintenance_custom/wizard/maintenance_report_wiz.py
new file mode 100644
index 000000000..bff0e0ab5
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/wizard/maintenance_report_wiz.py
@@ -0,0 +1,285 @@
+from datetime import datetime
+from odoo import api, fields, models, _
+from odoo.exceptions import  ValidationError
+
+def to_str(array):
+    return ",".join(str(i) for i in array)
+
+
+class MaintenanceReportWiz(models.TransientModel):
+    _name = 'maintenance.report.wiz'
+
+    time_from = fields.Datetime('From', required=True)
+    time_to = fields.Datetime('To', required=True)
+    equipment_ids = fields.Many2many('maintenance.equipment', 'equipment_report_wiz_rel' , string='Equipment')
+    category_ids = fields.Many2many('maintenance.equipment.category', 'equipment_cat_report_wiz_rel', string='Equipment Category' )
+    spare_categ_ids = fields.Many2many('product.category', 'spare_cat_report_wiz_rel', string='Spare Category' )
+    failure_ids = fields.Many2many('maintenance.failure', 'failure_report_wiz_rel' , string='Failure Type')
+    user_ids = fields.Many2many('res.users', 'users_report_wiz_rel' , string='Supervisor')
+    department_ids = fields.Many2many('hr.department', 'dep_report_wiz_rel' , string='Department')
+    employee_ids = fields.Many2many('hr.employee', 'emp_report_wiz_rel' , string='Members')
+    team_type = fields.Selection([('in', 'Internal Team'), ('out', 'Outsite Entity')], string='Team Type')
+    spare_ids = fields.Many2many('product.template', 'spare_report_wiz_rel' , string='Spare Parts', domain=[('is_spare','=',True)])
+    machine_status = fields.Selection([('out_service', 'Out of Service'),('part','Partially effect'),('in_service','In Service')], string='Machine Status')
+    report_type = fields.Selection([
+        ('general', 'General Report'),
+        ('spare','Spare Parts'),
+        ('equipment', 'Equipment'),
+        ('team','Team Members')], string='Report Type')
+
+    def _filters(self):
+        cond = []
+        filters = {}
+        if self.time_from :
+            cond.append(['request_date', '>=' , self.time_from])
+        if self.time_to :
+            cond.append(['request_date', '<=' , self.time_to])
+        if self.equipment_ids :
+            cond.append(['equipment_id', 'in' , self.equipment_ids.ids])
+            stri = ",".join(i.name for i in  self.equipment_ids)
+            filters.update({'equipment_id' :stri})
+        if self.category_ids:
+            equipment_ids = self.env.get('maintenance.equipment').search([('category_id', 'in',self.category_ids.ids )])
+            cond.append(['equipment_id', 'in' , equipment_ids.ids])
+            stri = ",".join(i.name for i in  self.category_ids)
+            filters.update({'category_id' :stri})
+        if self.user_ids :
+            cond.append(['user_id', 'in' , self.user_ids.ids])
+            stri = ",".join(i.name for i in  self.user_ids)
+            filters.update({'user_id' :stri})
+        if self.failure_ids :
+            cond.append(['failure_id', 'in' , self.failure_ids.ids])
+            stri = " , ".join(i.name for i in  self.failure_ids)
+            filters.update({'failure_id' :stri})
+        if self.team_type :
+            cond.append(['team_type', '=' , self.team_type])
+            stri = self.team_type == 'in' and 'Internal Team' or 'Outsite Entity'
+            filters.update({'team_type' :stri})
+        if self.machine_status :
+            cond.append(['machine_status', '=' , self.machine_status])
+            stri = self.team_type
+            filters.update({'machine_status' :stri})
+        if self.spare_ids or self.report_type == 'spare' :
+            ids = self.spare_ids and self.spare_ids.ids or self.env.get('product.template').search([('is_spare', '=', True)]).ids
+            spare_ids = self.env.get('maintenance.request.spare').search([('spare_id', 'in',ids )])
+            order_ids = [s.request_id.id for s in spare_ids]
+            cond.append(['id', 'in' , order_ids])
+            stri = " , ".join(i.name for i in  self.spare_ids)
+            filters.update({'spare_id' :stri})
+        if self.department_ids or self.employee_ids  or self.report_type == 'team' :
+            emp_cond = []
+            if self.department_ids : 
+                emp_cond += [('department_id', 'in', self.department_ids.ids)]
+                dep_stri = " , ".join(i.name for i in  self.department_ids)
+                filters.update({'department_id' :dep_stri})
+            emp_ids = self.employee_ids.ids and self.employee_ids.ids or self.env.get('hr.employee').search(emp_cond).ids
+            emp_ids_str = " , ".join(str(i) for i in  emp_ids)
+            query = '''
+                select maintenance_request_id from req_member_rel where hr_employee_id in (%s)
+            '''%(emp_ids_str)
+            self.env.cr.execute(query)
+            res = self.env.cr.fetchall()
+            order_ids = [r[0] for r in res]
+            cond.append(['id', 'in' , order_ids])
+            stri = " , ".join(i.name for i in  self.env['hr.employee'].browse(emp_ids))
+            filters.update({'employee_id' :stri})
+        if self.spare_categ_ids:
+            product_ids = self.env.get('product.template').search([('categ_id', 'in',self.spare_categ_ids.ids ),('is_spare', '=', True)])
+            spare_ids = self.env.get('maintenance.request.spare').search([('spare_id', 'in',product_ids.ids )])
+            order_ids = [s.request_id.id for s in spare_ids]
+            cond.append(['id', 'in' , order_ids])
+            stri = " , ".join(i.name for i in  self.spare_categ_ids)
+            filters.update({'spare_categ_id' :stri})
+        return cond , filters
+
+    def print_report(self):
+        cond , filters = self._filters()
+        requests =  self.env.get('maintenance.request').search(cond)
+        if not requests : 
+            raise ValidationError(_('Connot Find any Request/Order .')) 
+        time_from = self.time_from
+        time_to = self.time_to
+        totals = self.compute_general_report(requests)
+        data = {
+            'form' : {
+                'time_from' : time_from,
+                'time_to' : time_to,
+                'total' : totals,
+                'filters' : filters,
+                'rec_ids' : requests.ids + [0],
+                'spare_categ_ids' : self.spare_categ_ids.ids,
+                'spare_ids' : self.spare_ids.ids,
+                'category_ids' : self.category_ids.ids,
+                'equipment_ids' : self.equipment_ids.ids,
+                'employee_ids' : self.employee_ids.ids,
+                'department_ids' : self.department_ids.ids,
+                },
+        }
+        if self.report_type == 'general':
+            report = self.env.ref('maintenance_custom.action_general_maintenance_report').report_action(requests,data=data)
+        elif self.report_type == 'spare':
+            report = self.env.ref('maintenance_custom.action_spare_part_report').report_action(requests,data=data)
+        if self.report_type == 'equipment':
+            report = self.env.ref('maintenance_custom.action_equipment_report').report_action(requests,data=data)
+        if self.report_type == 'team':
+            report = self.env.ref('maintenance_custom.action_maintenance_team_report').report_action(requests,data=data)
+        return report
+
+    
+
+    def _get_total_members(self, order_str):
+        query = '''
+            SELECT
+                 count(distinct hr_employee_id ) 
+                 FROM req_member_rel WHERE maintenance_request_id IN (%s)
+
+        '''%(order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0] 
+        except :
+            total = 0
+        return total
+
+
+    def _get_total_equipment(self, order_str):
+        query = '''
+             SELECT count(distinct equipment_id) 
+             FROM maintenance_request WHERE id IN (%s)
+        '''%(order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0] 
+        except :
+            total = 0
+        return total
+
+    
+    def _get_total_cost(self, order_str):
+        query = '''
+             SELECT sum(quantity * cost) FROM maintenance_request_spare WHERE request_id IN (%s)
+        '''%(order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0] 
+        except :
+            total = 0
+        return total
+
+
+    def _get_total_downtime(self, order_str):
+        query = '''
+             SELECT sum(down_time) 
+             FROM maintenance_request WHERE id IN (%s) and machine_status = 'out_service'
+        '''%(order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0] 
+        except :
+            total = 0
+        return total
+
+
+    def _get_total_loss(self, order_str):
+        query = '''
+             SELECT sum(product_loss) 
+             FROM maintenance_request WHERE id IN (%s) and machine_status = 'part'
+        '''%(order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0] 
+        except :
+            total = 0
+        return total
+    
+
+    def _get_total_over_due(self, order_str):
+        query = '''
+            SELECT count(id) FROM maintenance_request 
+            WHERE duration > 0 AND done_time >= schedule_date + interval '1' HOUR * duration 
+            AND id in (%s) and stage_id in (select id from maintenance_stage where stage_type = 'request_done' )
+        '''%(order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0] 
+        except :
+            total = 0
+        return total
+
+
+    def _get_total_planned(self, order_ids):
+        count = self.env.get('maintenance.request').search_count([
+                            ('id', 'in', order_ids),
+                            ('maintenance_category','=', 'planned')
+                            ])
+        return count
+
+
+    def _get_high_priority(self, order_ids):
+        count = self.env.get('maintenance.request').search_count([
+                            ('id', 'in', order_ids),
+                            ('priority','=', '3')
+                            ])
+        return count
+
+    
+    def _get_total_closed(self, order_ids):
+        res = self.env.get('maintenance.stage').search([('stage_type', '=', 'request_done')])
+        stage_done = res.ids
+        count = self.env.get('maintenance.request').search_count([
+                            ('id', 'in', order_ids),
+                            ('stage_id','in', stage_done),
+                            ])
+        return count
+
+
+    def _get_total_open(self,order_ids):
+        res = self.env.get('maintenance.stage').search([('stage_type', '!=', 'request_done')])
+        stage_open = res.ids
+        count = self.env.get('maintenance.request').search_count([
+                            ('id', 'in', order_ids),
+                            ('stage_id','in', stage_open),
+                            ])
+        return count        
+
+    def _get_total_working_hours(self,order_str):
+        res = self.env.get('maintenance.stage').search([('done', '=', True)])
+        stage_done = res.ids
+        query = '''
+            SELECT sum(EXTRACT(EPOCH FROM done_time-start_time)/3600) FROM maintenance_request
+            WHERE Stage_id in (%s) and id in (%s)
+        '''%(to_str(stage_done), order_str)
+        self.env.cr.execute(query)
+        try :
+            total =  self.env.cr.fetchall()[0][0]
+            total = round(total,2)
+        except :
+            total = 0
+        return total
+
+
+    def compute_general_report(self, orders):
+        order_ids = orders.ids
+        order_str = ",".join(str(i) for i in order_ids)
+        total_orders = len(order_ids)
+        planned =  round((self._get_total_planned(order_ids) / float(total_orders) * 100 ), 2)
+        overdue = self._get_total_over_due(order_str)
+        over_due_percentage = overdue / total_orders * 100
+        over_due_percentage = round(over_due_percentage, 2)
+        res = {
+            'total_equipment' : self._get_total_equipment(order_str),
+            'total_members' : self._get_total_members(order_str),
+            'total_orders' : total_orders ,
+            'total_over_due' : overdue,
+            'over_due_percentage' : over_due_percentage ,
+            'total_planned' : planned,
+            'total_high' : self._get_high_priority(order_ids),
+            'total_loss' : self._get_total_loss(order_str),
+            'total_downtime' : self._get_total_downtime(order_str),
+            'total_colse' : self._get_total_closed(order_ids),
+            'total_open' : self._get_total_open(order_ids),
+            'total_working_hours' : self._get_total_working_hours(order_str),
+            'total_cost' : self._get_total_cost(order_str),
+        }
+        return res
+    
\ No newline at end of file
diff --git a/odex25_maintenance/maintenance_custom/wizard/maintenance_report_wiz_view.xml b/odex25_maintenance/maintenance_custom/wizard/maintenance_report_wiz_view.xml
new file mode 100644
index 000000000..9f0d07397
--- /dev/null
+++ b/odex25_maintenance/maintenance_custom/wizard/maintenance_report_wiz_view.xml
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="maintenance_report_wiz_view" model="ir.ui.view">
+        <field name="name">maintenance.report.wiz.form</field>
+        <field name="model">maintenance.report.wiz</field>
+        <field name="arch" type="xml">
+            <form string="Maintenance Reports">
+                <group>
+                    
+                    <group>
+                        
+                        <field name="time_from" />
+                        <field name="category_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','not in', ['general'])]}"/>
+                        <field name="spare_categ_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','not in', ['spare'])]}" />
+                        <field name="failure_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','not in', ['general'])]}" />
+                        <field name="user_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','not in', ['general'])]}" />
+                        <field name="spare_ids" widget="many2many_tags" attrs="{'invisible':[('report_type', 'in', ['team'])]}"/>
+                        <field name="department_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','not in', ['team'])]}" />
+                        <field name="machine_status" attrs="{'invisible':[('report_type','not in', ['general' ,'equipment'])]}"  />
+                    </group>
+                    <group>
+                        <field name="time_to" />
+                        <field name="employee_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','not in', ['general', 'team'])]}" />
+                        <field name="equipment_ids" widget="many2many_tags" attrs="{'invisible':[('report_type','in', ['team'])]}"/>
+                        <field name="team_type" attrs="{'invisible':[('report_type','not in', ['general'])]}" />
+                        <field name="report_type" invisible="1"  />
+                    </group>
+                </group>
+                <footer>
+                    <button name="print_report" type="object" string="Print" />
+                </footer>
+            </form>
+        </field>
+    </record>
+
+    <record id="action_maintenance_report_wiz" model="ir.actions.act_window">
+        <field name="name">General Maintenance Reports</field>
+        <field name="res_model">maintenance.report.wiz</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+        <field name="context">{'default_report_type' : 'general'}</field>
+    </record>
+
+    <record id="action_spare_report_wiz" model="ir.actions.act_window">
+        <field name="name">Spare Parts Reports</field>
+        <field name="res_model">maintenance.report.wiz</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+        <field name="context">{'default_report_type' : 'spare'}</field>
+    </record>
+
+
+    <record id="action_equipment_report_wiz" model="ir.actions.act_window">
+        <field name="name">Equipment Reports</field>
+        <field name="res_model">maintenance.report.wiz</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+        <field name="context">{'default_report_type' : 'equipment'}</field>
+    </record>
+
+    <record id="action_team_report_wiz" model="ir.actions.act_window">
+        <field name="name">Teams Reports</field>
+        <field name="res_model">maintenance.report.wiz</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+        <field name="context">{'default_report_type' : 'team'}</field>
+    </record>
+
+
+    <menuitem 
+        action="action_maintenance_report_wiz" 
+        id="maintenance_report_menu" 
+        name="Maintenance Reports"
+        parent="maintenance.maintenance_reporting"
+    />
+
+    <menuitem 
+        action="action_spare_report_wiz" 
+        id="spare_report_menu" 
+        name="Spare Parts Reports"
+        parent="maintenance.maintenance_reporting"
+    />
+
+    <menuitem 
+        action="action_equipment_report_wiz" 
+        id="equipment_report_menu" 
+        name="Equipment Reports"
+        parent="maintenance.maintenance_reporting"
+    />
+
+    <menuitem 
+        action="action_team_report_wiz" 
+        id="team_report_menu" 
+        name="Maintenance Team Reports"
+        parent="maintenance.maintenance_reporting"
+    />
+
+</odoo>
\ No newline at end of file