diff --git a/.eslintrc.js b/.eslintrc.js
index 2ec7b8ef..408ef604 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -73,6 +73,7 @@ module.exports = {
'cypress/no-unnecessary-waiting': 'error',
'cypress/assertion-before-screenshot': 'warn',
'default-case': 'error',
+ indent: 'off',
},
overrides: [
{
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 608e0f02..6a3ff750 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -20,7 +20,7 @@
"id": "service",
"type": "pickString",
"description": "Select one service from above",
- "options": ["wrap-r", "logg-r"]
+ "options": ["wrap-r", "logg-r", "xpense"]
}
]
}
diff --git a/common/components/package.json b/common/components/package.json
index 1119c617..d30a3346 100644
--- a/common/components/package.json
+++ b/common/components/package.json
@@ -4,7 +4,7 @@
"description": "",
"private": true,
"scripts": {
- "build": "tsc",
+ "build": "tsc --b",
"clean": "rimraf dist",
"test": "echo \"Error: no test specified\" && exit 1"
},
diff --git a/common/components/src/autocomplete.tsx b/common/components/src/autocomplete.tsx
new file mode 100644
index 00000000..2cd69304
--- /dev/null
+++ b/common/components/src/autocomplete.tsx
@@ -0,0 +1,45 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { v4 } from 'uuid'
+import { Input, InputProps } from './input'
+
+export const Autocomplete = Shade<
+ { inputProps?: InputProps; suggestions: string[]; strict?: boolean; onchange: (value: string) => void },
+ { dataListId: string }
+>({
+ getInitialState: () => ({
+ dataListId: v4(),
+ }),
+ constructed: ({ getState, element }) => {
+ const { dataListId } = getState()
+ const input = element.querySelector('input')
+ if (input) {
+ input.setAttribute('list', dataListId)
+ }
+ },
+ shadowDomName: 'shade-autocomplete',
+ render: ({ props, getState }) => {
+ const { dataListId } = getState()
+ return (
+
+ {
+ const { value } = ev.target as any
+ if (props.strict) {
+ if (!props.suggestions.includes(value)) {
+ ;(ev.target as HTMLInputElement).setCustomValidity('Please select a valid entry!')
+ return
+ }
+ }
+ props.onchange(value)
+ }}
+ />
+
+
+ )
+ },
+})
diff --git a/common/components/src/fab.tsx b/common/components/src/fab.tsx
new file mode 100644
index 00000000..aa9117aa
--- /dev/null
+++ b/common/components/src/fab.tsx
@@ -0,0 +1,28 @@
+import { Shade, PartialElement, createComponent } from '@furystack/shades'
+
+export const Fab = Shade>({
+ shadowDomName: 'shade-fab',
+ render: ({ props, children }) => {
+ return (
+
+ {children}
+
+ )
+ },
+})
diff --git a/common/components/src/index.ts b/common/components/src/index.ts
index 3df3a8e1..7e3b26d8 100644
--- a/common/components/src/index.ts
+++ b/common/components/src/index.ts
@@ -1,8 +1,10 @@
export * from './animations'
export * from './app-bar'
+export * from './autocomplete'
export * from './avatar'
export * from './button'
export * from './data-grid'
+export * from './fab'
export * from './grid'
export * from './input'
export * from './modal'
diff --git a/common/components/src/input.tsx b/common/components/src/input.tsx
index 3904f50d..8f7c03c3 100644
--- a/common/components/src/input.tsx
+++ b/common/components/src/input.tsx
@@ -3,6 +3,7 @@ import { promisifyAnimation } from 'common-frontend-utils'
import { colors } from './styles'
export interface InputProps extends PartialElement {
+ onTextChange?: (text: string) => void
labelTitle?: string
multiLine?: false
}
@@ -47,6 +48,10 @@ export const Input = Shade({
) : (
{
+ props.onTextChange && props.onTextChange((ev.target as any).value)
+ props.onchange && (props.onchange as any)(ev)
+ }}
onfocus={() => {
if (!props.disabled) {
promisifyAnimation(
diff --git a/common/components/src/modal.tsx b/common/components/src/modal.tsx
index 4cd86168..1f92c201 100644
--- a/common/components/src/modal.tsx
+++ b/common/components/src/modal.tsx
@@ -10,12 +10,13 @@ export const Modal = Shade<{ isVisible: boolean; onClose?: () => void }>({
style={{
width: '100%',
height: '100%',
- backgroundColor: 'rgba(128,128,128,0.03)',
- position: 'absolute',
+ display: 'block',
+ // backgroundColor: 'rgba(128,128,128,0.03)',
+ position: 'fixed',
top: '0',
left: '0',
- animation: 'show 100ms linear',
- backdropFilter: 'contrast(0.3)brightness(0.2)blur(5px)',
+ // animation: 'show 100ms linear',
+ // backdropFilter: 'contrast(0.3)brightness(0.2)blur(5px)',
}}>
{children}
diff --git a/common/components/src/tabs.tsx b/common/components/src/tabs.tsx
index ee142d4e..0e5d51a3 100644
--- a/common/components/src/tabs.tsx
+++ b/common/components/src/tabs.tsx
@@ -1,4 +1,4 @@
-import { Shade, createComponent, PartialElement } from '@furystack/shades'
+import { Shade, createComponent, PartialElement, LocationService } from '@furystack/shades'
import { promisifyAnimation } from 'common-frontend-utils/src'
export interface Tab {
@@ -18,6 +18,15 @@ export const Tabs = Shade<
>({
shadowDomName: 'shade-tabs',
getInitialState: ({ props }) => ({ activeIndex: props.activeTab || 0 }),
+ constructed: ({ injector, updateState }) => {
+ const locationSubscription = injector.getInstance(LocationService).onLocationChanged.subscribe((loc) => {
+ if (loc.hash && loc.hash.startsWith('#tab-')) {
+ const page = parseInt(loc.hash.replace('#tab-', ''), 10)
+ page && updateState({ activeIndex: page })
+ }
+ }, true)
+ return () => locationSubscription.dispose()
+ },
render: ({ props, getState, updateState }) => {
return (
diff --git a/common/config/src/databases.ts b/common/config/src/databases.ts
index d790af44..f11fb824 100644
--- a/common/config/src/databases.ts
+++ b/common/config/src/databases.ts
@@ -5,7 +5,7 @@ export const databases = {
usersCollection: 'users',
sessionStore: {
host: process.env.SESSION_STORE_HOST || process.env.REDIS_HOST || 'localhost',
- port: process.env.SESSION_STORE_PORT || process.env.REDIS_PORT || '63790',
+ port: process.env.SESSION_STORE_PORT || process.env.REDIS_PORT || '6379',
},
},
logging: {
@@ -13,4 +13,16 @@ export const databases = {
dbName: 'multiverse-logs',
logCollection: 'entries',
},
+ xpense: {
+ mongoUrl: process.env.MONGO_XPENSE_URL || process.env.MONGO_URL || 'mongodb://localhost:27017',
+ dbName: 'multiverse-xpense',
+ accounts: 'accounts',
+ items: 'items',
+ replenishments: 'replenishments',
+ shops: 'shops',
+ shoppings: 'private-xpenses',
+ },
+ standardOptions: {
+ useUnifiedTopology: true,
+ },
}
diff --git a/common/config/src/sites.ts b/common/config/src/sites.ts
index 90e4fcfb..d0ec3c73 100644
--- a/common/config/src/sites.ts
+++ b/common/config/src/sites.ts
@@ -2,11 +2,15 @@ export const sites = {
services: {
'wrap-r': {
internalPort: process.env.WRAPPR_SERVICE_INTERNAL_PORT || 9090,
- externalPath: process.env.WRAPPR_SERVICE_EXTENRAL_URL || 'http://localhost:9090/api',
+ externalPath: process.env.WRAPPR_SERVICE_EXTERNAL_URL || 'http://localhost:9090/api',
},
'logg-r': {
internalPort: process.env.LOGGR_SERVICE_INTERNAL_PORT || 9091,
- externalPath: process.env.LOGGR_SERVICE_EXTENAL_URL || 'http://localhost:9091/api',
+ externalPath: process.env.LOGGR_SERVICE_EXTERNAL_URL || 'http://localhost:9091/api',
+ },
+ xpense: {
+ internalPort: process.env.XPENSE_SERVICE_INTERNAL_PORT || 9092,
+ externalPath: process.env.XPENSE_SERVICE_EXTERNAL_URL || 'http://localhost:9092/api',
},
},
frontends: {
diff --git a/common/frontend-utils/src/apis/logg-r-api.ts b/common/frontend-utils/src/apis/logg-r-api.ts
index 854cb65d..821ebf3e 100644
--- a/common/frontend-utils/src/apis/logg-r-api.ts
+++ b/common/frontend-utils/src/apis/logg-r-api.ts
@@ -1,12 +1,12 @@
import { Injectable } from '@furystack/inject'
import { PathHelper } from '@furystack/utils'
-import { LoggRApi } from 'common-models'
+import { apis } from 'common-models'
import { createClient } from '@furystack/rest-client-fetch'
import { sites } from 'common-config'
@Injectable({ lifetime: 'singleton' })
export class LoggRApiService {
- public call = createClient
({
+ public call = createClient({
endpointUrl: PathHelper.joinPaths(sites.services['logg-r'].externalPath, '/logg-r'),
requestInit: {
credentials: 'include',
diff --git a/common/frontend-utils/src/apis/wrap-r-api.ts b/common/frontend-utils/src/apis/wrap-r-api.ts
index 1a8e1121..567c975d 100644
--- a/common/frontend-utils/src/apis/wrap-r-api.ts
+++ b/common/frontend-utils/src/apis/wrap-r-api.ts
@@ -1,12 +1,12 @@
import { Injectable } from '@furystack/inject'
import { PathHelper } from '@furystack/utils'
-import { WrapRApi } from 'common-models'
+import { apis } from 'common-models'
import { createClient } from '@furystack/rest-client-fetch'
import { sites } from 'common-config'
@Injectable({ lifetime: 'singleton' })
export class WrapRApiService {
- public call = createClient({
+ public call = createClient({
endpointUrl: PathHelper.joinPaths(sites.services['wrap-r'].externalPath, '/wrap-r'),
requestInit: {
credentials: 'include',
diff --git a/common/frontend-utils/src/apis/xpense-api.ts b/common/frontend-utils/src/apis/xpense-api.ts
new file mode 100644
index 00000000..eb4632d7
--- /dev/null
+++ b/common/frontend-utils/src/apis/xpense-api.ts
@@ -0,0 +1,15 @@
+import { Injectable } from '@furystack/inject'
+import { PathHelper } from '@furystack/utils'
+import { apis } from 'common-models'
+import { createClient } from '@furystack/rest-client-fetch'
+import { sites } from 'common-config'
+
+@Injectable({ lifetime: 'singleton' })
+export class XpenseApiService {
+ public call = createClient({
+ endpointUrl: PathHelper.joinPaths(sites.services.xpense.externalPath, '/xpense'),
+ requestInit: {
+ credentials: 'include',
+ },
+ })
+}
diff --git a/common/frontend-utils/src/index.ts b/common/frontend-utils/src/index.ts
index 9da22eaa..73763782 100644
--- a/common/frontend-utils/src/index.ts
+++ b/common/frontend-utils/src/index.ts
@@ -1,5 +1,6 @@
export * from './apis/logg-r-api'
export * from './apis/wrap-r-api'
+export * from './apis/xpense-api'
export * from './collection-service'
export * from './get-error-message'
export * from './service-list'
diff --git a/common/frontend-utils/src/service-list.ts b/common/frontend-utils/src/service-list.ts
index a4424be1..f2ee0fbc 100644
--- a/common/frontend-utils/src/service-list.ts
+++ b/common/frontend-utils/src/service-list.ts
@@ -1,4 +1,4 @@
-import { roles } from 'common-models/src'
+import { roles } from 'common-models'
export interface ServiceDescription {
name: string
@@ -20,6 +20,15 @@ export const serviceList: ServiceDescription[] = [
showInDashboard: true,
requiredRoles: ['terms-accepted'],
},
+ {
+ name: 'Xpense',
+ icon: '💰',
+ description: 'Manage accounts, incomes and expences',
+ showInMenu: true,
+ showInDashboard: true,
+ requiredRoles: ['terms-accepted'],
+ url: '/xpense',
+ },
{
name: 'Organizations',
icon: '🏢',
diff --git a/common/models/src/apis/index.ts b/common/models/src/apis/index.ts
index b3a5060e..1e5ac071 100644
--- a/common/models/src/apis/index.ts
+++ b/common/models/src/apis/index.ts
@@ -1,3 +1,4 @@
export * from './session-api'
export * from './logg-r-api'
export * from './wrap-r-api'
+export * from './xpense-api'
diff --git a/common/models/src/apis/xpense-api.ts b/common/models/src/apis/xpense-api.ts
new file mode 100644
index 00000000..fd321bcf
--- /dev/null
+++ b/common/models/src/apis/xpense-api.ts
@@ -0,0 +1,39 @@
+import { RestApi, RequestAction } from '@furystack/rest'
+import { Account, Shop, Item, Replenishment, Shopping } from '../xpense'
+
+export interface XpenseApi extends RestApi {
+ GET: {
+ '/shops': RequestAction<{ result: Shop[] }>
+ '/items': RequestAction<{ result: Item[] }>
+ '/availableAccounts': RequestAction<{
+ result: Array<{
+ name: string
+ ownerType: Account['ownerType']
+ ownerName: Account['ownerName']
+ current: Account['current']
+ }>
+ }>
+ '/replenishments/:replenishmentId': RequestAction<{ urlParams: { replenishmentId: string }; result: Replenishment }>
+ '/shops/:shopId': RequestAction<{ urlParams: { shopId: string }; result: Shop }>
+ '/shopping/:shoppingId': RequestAction<{ urlParams: { shoppingId: string }; result: Shopping }>
+ '/:type/:owner/:accountName': RequestAction<{
+ result: Account
+ urlParams: { type: 'user' | 'organization'; owner: string; accountName: string }
+ }>
+ }
+ POST: {
+ '/accounts': RequestAction<{ result: Account; body: { name: string; description: string; icon: string } }>
+ '/shops': RequestAction<{ result: Shop; body: { name: string } }>
+ '/items': RequestAction<{ result: Item; body: { name: string; description: string; category?: string } }>
+ '/:type/:owner/:accountName/replenish': RequestAction<{
+ body: { amount: number; comment?: string }
+ urlParams: { type: 'user' | 'organization'; owner: string; accountName: string }
+ result: Replenishment
+ }>
+ '/:type/:owner/:accountName/shop': RequestAction<{
+ body: { shopName: string; entries: Array<{ itemName: string; amount: number; unitPrice: number }> }
+ urlParams: { type: 'user' | 'organization'; owner: string; accountName: string }
+ result: Shopping
+ }>
+ }
+}
diff --git a/common/models/src/index.ts b/common/models/src/index.ts
index de310120..27b8fa35 100644
--- a/common/models/src/index.ts
+++ b/common/models/src/index.ts
@@ -1,4 +1,4 @@
-export * from './apis'
+export * as apis from './apis'
export * from './github-account'
export * from './github-api-payload'
export * from './google-account'
@@ -7,3 +7,4 @@ export * from './log-entry'
export * from './profile'
export * from './session'
export * from './user'
+export * as xpense from './xpense'
diff --git a/common/models/src/organization.ts b/common/models/src/organization.ts
index a81fb1e9..8e6a7ee0 100644
--- a/common/models/src/organization.ts
+++ b/common/models/src/organization.ts
@@ -1,6 +1,7 @@
export class Organization {
_id!: string
name!: string
+ icon!: string
description!: string
/**
* The owner user name
diff --git a/common/models/src/xpense/account.ts b/common/models/src/xpense/account.ts
new file mode 100644
index 00000000..b70affcd
--- /dev/null
+++ b/common/models/src/xpense/account.ts
@@ -0,0 +1,18 @@
+export class Account {
+ _id!: string
+ ownerType!: 'user' | 'organization'
+ ownerName!: string
+ name!: string
+ description!: string
+ icon!: string
+ history!: Array<{
+ balance: number
+ date: string
+ change: number
+ changePerCategory: Array<{ categoryName: string; amount: number }>
+ relatedEntry: { type: 'replenishment'; replenishmentId: string } | { type: 'shopping'; shoppingId: string }
+ }>
+ current!: number
+ createdBy!: string
+ creationDate!: string
+}
diff --git a/common/models/src/xpense/index.ts b/common/models/src/xpense/index.ts
new file mode 100644
index 00000000..b522e650
--- /dev/null
+++ b/common/models/src/xpense/index.ts
@@ -0,0 +1,5 @@
+export * from './account'
+export * from './item'
+export * from './replenishment'
+export * from './shop'
+export * from './shopping'
diff --git a/common/models/src/xpense/item.ts b/common/models/src/xpense/item.ts
new file mode 100644
index 00000000..dfbdcc44
--- /dev/null
+++ b/common/models/src/xpense/item.ts
@@ -0,0 +1,8 @@
+export class Item {
+ _id!: string
+ name!: string
+ description?: string
+ category?: string
+ creationDate!: string
+ createdBy!: string
+}
diff --git a/common/models/src/xpense/replenishment.ts b/common/models/src/xpense/replenishment.ts
new file mode 100644
index 00000000..fedda42c
--- /dev/null
+++ b/common/models/src/xpense/replenishment.ts
@@ -0,0 +1,7 @@
+export class Replenishment {
+ _id!: string
+ createdBy!: string
+ accountId!: string
+ amount!: number
+ comment?: string
+}
diff --git a/common/models/src/xpense/shop.ts b/common/models/src/xpense/shop.ts
new file mode 100644
index 00000000..bb1c0629
--- /dev/null
+++ b/common/models/src/xpense/shop.ts
@@ -0,0 +1,6 @@
+export class Shop {
+ _id!: string
+ name!: string
+ creationDate!: string
+ createdBy!: string
+}
diff --git a/common/models/src/xpense/shopping.ts b/common/models/src/xpense/shopping.ts
new file mode 100644
index 00000000..893e9bcc
--- /dev/null
+++ b/common/models/src/xpense/shopping.ts
@@ -0,0 +1,9 @@
+export class Shopping {
+ _id!: string
+ accountId!: string
+ creationDate!: string
+ entries!: Array<{ itemName: string; amount: number; unitPrice: number }>
+ sumAmount!: number
+ shopName!: string
+ createdBy!: string
+}
diff --git a/common/service-utils/src/authorized-data-set.ts b/common/service-utils/src/authorized-data-set.ts
new file mode 100644
index 00000000..17f1fbfc
--- /dev/null
+++ b/common/service-utils/src/authorized-data-set.ts
@@ -0,0 +1,19 @@
+import { Injector } from '@furystack/inject'
+import { HttpUserContext } from '@furystack/rest-service'
+import { DataSetSettings } from '@furystack/repository'
+
+export const authorizedOnly = async (options: { injector: Injector }) => {
+ const authorized = await options.injector.getInstance(HttpUserContext).isAuthenticated()
+ return {
+ isAllowed: authorized,
+ message: 'You are not authorized :(',
+ }
+}
+
+export const authorizedDataSet: Partial> = {
+ authorizeAdd: authorizedOnly,
+ authorizeGet: authorizedOnly,
+ authorizeRemove: authorizedOnly,
+ authorizeUpdate: authorizedOnly,
+ authroizeRemoveEntity: authorizedOnly,
+}
diff --git a/common/service-utils/src/get-orgs-for-user.ts b/common/service-utils/src/get-orgs-for-user.ts
new file mode 100644
index 00000000..6592007f
--- /dev/null
+++ b/common/service-utils/src/get-orgs-for-user.ts
@@ -0,0 +1,15 @@
+import { Injector } from '@furystack/inject'
+import { MongodbStore } from '@furystack/mongodb-store'
+import { Organization } from 'common-models'
+import { StoreManager, User } from '@furystack/core'
+
+export const getOrgsForCurrentUser = async (injector: Injector, user: User) => {
+ const store: MongodbStore = injector.getInstance(StoreManager).getStoreFor(Organization)
+ const collection = await store.getCollection()
+
+ return await collection
+ .find({
+ $or: [{ ownerName: { $eq: user.username } }, { adminNames: user.username }, { memberNames: user.username }],
+ })
+ .toArray()
+}
diff --git a/common/service-utils/src/index.ts b/common/service-utils/src/index.ts
index ace2982c..76e9c6a9 100644
--- a/common/service-utils/src/index.ts
+++ b/common/service-utils/src/index.ts
@@ -1,4 +1,6 @@
import './use-common-http-auth'
import './use-db-logger'
+export * from './authorized-data-set'
export * from './create-indexes'
export * from './shutdown'
+export * from './get-orgs-for-user'
diff --git a/common/service-utils/src/shutdown.ts b/common/service-utils/src/shutdown.ts
index 2852c54d..607eb8c4 100644
--- a/common/service-utils/src/shutdown.ts
+++ b/common/service-utils/src/shutdown.ts
@@ -5,11 +5,15 @@ import { DbLogger } from './use-db-logger'
export const attachShutdownHandler = (i: Injector) => {
const logger = i.logger.withScope('shutdown-handler')
- const onExit = async ({ code, reason }: { code: number; reason: string }) => {
+ const onExit = async ({ code, reason }: { code: number; reason: string; error?: any }) => {
try {
if (code) {
await logger.warning({
message: `Something bad happened, starting shutdown with code '${code}' due '${reason}'`,
+ data: {
+ code,
+ reason,
+ },
})
} else {
await logger.warning({ message: `Shutting down gracefully due '${reason}'` })
@@ -35,7 +39,9 @@ export const attachShutdownHandler = (i: Injector) => {
process.once('SIGUSR2', () => onExit({ code: 0, reason: 'SIGUSR2' }))
// catches uncaught exceptions
- process.once('uncaughtException', () => onExit({ code: 1, reason: 'uncaughtException' }))
+ process.once('uncaughtException', (error) => {
+ onExit({ code: 1, reason: 'uncaughtException', error })
+ })
- process.once('unhandledRejection', () => onExit({ code: 1, reason: 'unhandledRejection' }))
+ process.once('unhandledRejection', (error) => onExit({ code: 1, reason: 'unhandledRejection', error }))
}
diff --git a/common/service-utils/src/use-common-http-auth.ts b/common/service-utils/src/use-common-http-auth.ts
index 32433d3a..d20ec7e1 100644
--- a/common/service-utils/src/use-common-http-auth.ts
+++ b/common/service-utils/src/use-common-http-auth.ts
@@ -1,11 +1,12 @@
import '@furystack/redis-store'
-import '@furystack/rest-service'
+import { HttpUserContext } from '@furystack/rest-service'
import '@furystack/mongodb-store'
import { Injector } from '@furystack/inject/dist/injector'
import { createClient } from 'redis'
import { databases } from 'common-config'
-import { Session, User } from 'common-models'
+import { Session, User, Organization } from 'common-models'
import { verifyAndCreateIndexes } from './create-indexes'
+import { authorizedDataSet } from './authorized-data-set'
declare module '@furystack/inject/dist/injector' {
interface Injector {
@@ -13,7 +14,7 @@ declare module '@furystack/inject/dist/injector' {
}
}
-Injector.prototype.useCommonHttpAuth = function () {
+Injector.prototype.useCommonHttpAuth = function() {
this.setupStores((sm) =>
sm
.useMongoDb({
@@ -21,7 +22,14 @@ Injector.prototype.useCommonHttpAuth = function () {
url: databases['common-auth'].mongoUrl,
db: databases['common-auth'].dbName,
collection: databases['common-auth'].usersCollection,
- options: { useUnifiedTopology: true },
+ options: databases.standardOptions,
+ })
+ .useMongoDb({
+ model: Organization,
+ url: databases['common-auth'].mongoUrl,
+ db: databases['common-auth'].dbName,
+ collection: 'organizations',
+ options: databases.standardOptions,
})
.useRedis(
Session,
@@ -39,6 +47,31 @@ Injector.prototype.useCommonHttpAuth = function () {
getSessionStore: (sm) => sm.getStoreFor(Session),
})
+ this.setupRepository((repo) =>
+ repo
+ .createDataSet(Organization, {
+ name: 'organizations',
+ authorizeUpdateEntity: async ({ injector: i, entity }) => {
+ const currentUser = await i.getInstance(HttpUserContext).getCurrentUser()
+ if (entity.ownerName === currentUser.username || entity.adminNames.includes(currentUser.username)) {
+ return { isAllowed: true }
+ }
+ return { isAllowed: false, message: 'Only the owner or admins can modify an organization' }
+ },
+ })
+ .createDataSet(User, {
+ ...authorizedDataSet,
+ authorizeAdd: async (authorize) => {
+ const success = await authorize.injector.getInstance(HttpUserContext).isAuthorized('user-admin')
+ return {
+ isAllowed: success ? true : false,
+ message: success ? '' : "Role 'user-admin' required.",
+ }
+ },
+ name: 'users',
+ }),
+ )
+
verifyAndCreateIndexes({
injector: this,
model: User,
diff --git a/common/service-utils/src/use-db-logger.ts b/common/service-utils/src/use-db-logger.ts
index 5d6040e8..0a6fac28 100644
--- a/common/service-utils/src/use-db-logger.ts
+++ b/common/service-utils/src/use-db-logger.ts
@@ -54,25 +54,21 @@ Injector.prototype.useDbLogger = function(settings) {
collection: databases.logging.logCollection,
url: databases.logging.mongoUrl,
db: databases.logging.dbName,
- options: {
- useUnifiedTopology: true,
- },
+ options: databases.standardOptions,
}),
)
this.setupRepository((repo) =>
repo.createDataSet(LogEntry, {
- authorizeUpdate: async () => ({ isAllowed: false, message: 'The Log is read only, updates are permitted!' }),
- authorizeGet: async ({ injector }) => {
- const isAllowed = await injector.getInstance(HttpUserContext).isAuthorized('sys-logs')
- if (!isAllowed) {
- return {
- isAllowed,
- message: "You need 'sys-logs' role to see the entries",
- }
- }
+ name: 'logEntries',
+ authorizeAdd: async () => ({ isAllowed: false, message: 'The DataSet is read only' }),
+ authorizeRemove: async () => ({ isAllowed: false, message: 'The DataSet is read only' }),
+ authorizeUpdate: async () => ({ isAllowed: false, message: 'The DataSet is read only' }),
+ authorizeGet: async (options) => {
+ const result = await options.injector.getInstance(HttpUserContext).isAuthorized('sys-logs')
return {
- isAllowed,
+ isAllowed: result,
+ message: result ? '' : "Role 'sys-logs' required",
}
},
}),
diff --git a/docker-compose.yml b/docker-compose.yml
index 3bbe3a3e..6b226fcc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ services:
redis:
image: 'redis'
ports:
- - '63790:6379'
+ - '6379:6379'
mongo:
image: 'mongo'
ports:
diff --git a/frontends/wrap-r/package.json b/frontends/wrap-r/package.json
index 7fcd37b7..cf13d4a2 100644
--- a/frontends/wrap-r/package.json
+++ b/frontends/wrap-r/package.json
@@ -34,6 +34,8 @@
"@furystack/rest": "^1.1.1",
"@furystack/rest-client-fetch": "^1.1.2",
"@furystack/shades": "^3.0.0",
- "mini-css-extract-plugin": "^0.9.0"
+ "@types/chart.js": "^2.9.18",
+ "mini-css-extract-plugin": "^0.9.0",
+ "path-to-regexp": "^6.1.0"
}
}
diff --git a/frontends/wrap-r/src/components/body.tsx b/frontends/wrap-r/src/components/body.tsx
index e60165e5..69a1fd88 100644
--- a/frontends/wrap-r/src/components/body.tsx
+++ b/frontends/wrap-r/src/components/body.tsx
@@ -85,14 +85,63 @@ export const Body = Shade<
),
},
{
- url: '/organizations/:organizationId',
+ url: '/add-organization',
+ component: () => (
+ {
+ const { AddOrganizationPage } = await import(
+ /* webpackChunkName: "add-organization" */ '../pages/organizations/add-organization'
+ )
+ return
+ }}
+ loader={}
+ />
+ ),
+ },
+ {
+ url: '/organization/:organizationName',
component: ({ match }) => (
{
const { OrganizationDetailsPage } = await import(
- /* webpackChunkName: "organizations" */ '../pages/organizations/organization-details'
+ /* webpackChunkName: "edit-organization" */ '../pages/organizations/organization-details'
+ )
+ return
+ }}
+ loader={}
+ />
+ ),
+ },
+ {
+ url: '/xpense/add-account',
+ component: () => (
+ {
+ const { AddXpenseAccountPage } = await import(
+ /* webpackChunkName: "xpense-add-account" */ '../pages/xpense/add-account'
+ )
+ return
+ }}
+ loader={}
+ />
+ ),
+ },
+ {
+ url: '/xpense/:type?/:owner?/:accountName?',
+ routingOptions: {
+ end: false,
+ },
+ component: ({ match }) => (
+ {
+ const { XpensePage } = await import(/* webpackChunkName: "xpense" */ '../pages/xpense')
+ return (
+
)
- return
}}
loader={}
/>
diff --git a/frontends/wrap-r/src/components/header.tsx b/frontends/wrap-r/src/components/header.tsx
index 34ed7279..bd9dbfa1 100644
--- a/frontends/wrap-r/src/components/header.tsx
+++ b/frontends/wrap-r/src/components/header.tsx
@@ -20,12 +20,13 @@ export const Header = Shade({
notFound={() => }
routes={serviceList.map((s) => ({
url: s.url,
+ routingOptions: { end: false },
onVisit: animations.showSlide,
onLeave: animations.hideSlide,
component: () => (
-
+
- {s.icon} {s.name}
-
+
),
}))}
/>
diff --git a/frontends/wrap-r/src/pages/offline.tsx b/frontends/wrap-r/src/pages/offline.tsx
index 4005e2f2..91b9d35c 100644
--- a/frontends/wrap-r/src/pages/offline.tsx
+++ b/frontends/wrap-r/src/pages/offline.tsx
@@ -14,10 +14,6 @@ export const Offline = Shade({
justifyContent: 'center',
padding: '0 100px',
}}>
-
>({
+ getInitialState: () => ({ adminNames: [], memberNames: [], description: '', name: '', ownerName: '', icon: '💳' }),
+ shadowDomName: 'shade-add-organization-page',
+ render: ({ getState, injector, updateState }) => {
+ return (
+
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/organizations/index.tsx b/frontends/wrap-r/src/pages/organizations/index.tsx
index 7b534e37..fbf7d344 100644
--- a/frontends/wrap-r/src/pages/organizations/index.tsx
+++ b/frontends/wrap-r/src/pages/organizations/index.tsx
@@ -1,7 +1,7 @@
-import { Shade, createComponent } from '@furystack/shades'
+import { Shade, createComponent, LocationService } from '@furystack/shades'
import { CollectionService, WrapRApiService } from 'common-frontend-utils'
import { Organization } from 'common-models'
-import { DataGrid, styles } from 'common-components'
+import { DataGrid, styles, Fab, colors } from 'common-components'
export const OrganizationsPage = Shade<{}, { service: CollectionService
}>({
shadowDomName: 'shade-organizations-page',
@@ -17,7 +17,7 @@ export const OrganizationsPage = Shade<{}, { service: CollectionService {
+ render: ({ getState, injector }) => {
return (
@@ -26,8 +26,21 @@ export const OrganizationsPage = Shade<{}, { service: CollectionService history.pushState({}, '', `/organizations/${encodeURIComponent(entry.name)}`)}
+ onDoubleClick={(entry) => {
+ history.pushState({}, '', `/organization/${encodeURIComponent(entry.name)}`)
+ injector.getInstance(LocationService).updateState()
+ }}
/>
+ {
+ /** */
+ history.pushState({}, '', '/add-organization')
+ injector.getInstance(LocationService).updateState()
+ }}>
+ ➕
+
)
},
diff --git a/frontends/wrap-r/src/pages/profile.tsx b/frontends/wrap-r/src/pages/profile.tsx
index a7c8d891..7da639fd 100644
--- a/frontends/wrap-r/src/pages/profile.tsx
+++ b/frontends/wrap-r/src/pages/profile.tsx
@@ -1,4 +1,4 @@
-import { createComponent, Shade, LocationService } from '@furystack/shades'
+import { createComponent, Shade } from '@furystack/shades'
import { Tabs, styles, Avatar, Input, Button, colors } from 'common-components'
import { User, Profile, GithubAccount, GoogleAccount } from 'common-models'
import { WrapRApiService, SessionService } from 'common-frontend-utils'
@@ -10,13 +10,12 @@ import { Init } from './init'
export const ProfilePage = Shade<
{},
{
- currentTab: number
currentUser?: User
profile?: Profile
loginProviderDetails?: { hasPassword: boolean; google?: GoogleAccount; github?: GithubAccount }
}
>({
- getInitialState: () => ({ currentTab: 0 }),
+ getInitialState: () => ({}),
constructed: async ({ injector, updateState }) => {
const currentUser = injector.getInstance(SessionService).currentUser.getValue() as User
const api = injector.getInstance(WrapRApiService)
@@ -29,21 +28,14 @@ export const ProfilePage = Shade<
method: 'GET',
action: '/loginProviderDetails',
})
- const locationSubscription = injector.getInstance(LocationService).onLocationChanged.subscribe((loc) => {
- if (loc.hash && loc.hash.startsWith('#tab-')) {
- const page = parseInt(loc.hash.replace('#tab-', ''), 10)
- page && updateState({ currentTab: page })
- }
- }, true)
updateState({
currentUser,
profile,
loginProviderDetails,
})
- return () => locationSubscription.dispose()
},
render: ({ getState, injector, updateState }) => {
- const { currentUser, profile, loginProviderDetails, currentTab } = getState()
+ const { currentUser, profile, loginProviderDetails } = getState()
if (!currentUser || !profile || !loginProviderDetails) {
return
}
@@ -61,8 +53,6 @@ export const ProfilePage = Shade<
return (
updateState({ currentTab: tab }, true)}
tabs={[
{
header: 🎴 General info
,
@@ -91,12 +81,7 @@ export const ProfilePage = Shade<
{loginProviderDetails.hasPassword ? (
diff --git a/frontends/wrap-r/src/pages/welcome-page.tsx b/frontends/wrap-r/src/pages/welcome-page.tsx
index 9c5248ee..c971c69f 100644
--- a/frontends/wrap-r/src/pages/welcome-page.tsx
+++ b/frontends/wrap-r/src/pages/welcome-page.tsx
@@ -1,9 +1,9 @@
import { Shade, createComponent, RouteLink } from '@furystack/shades'
import { styles } from 'common-components'
-import { SessionService, ServiceDescription, serviceList, promisifyAnimation } from 'common-frontend-utils'
+import { SessionService, serviceList, promisifyAnimation } from 'common-frontend-utils'
import { User } from 'common-models'
-export const Widget = Shade({
+export const Widget = Shade<{ url: string; icon: string; name: string; description: string; index: number }>({
shadowDomName: 'shade-welcome-screen-widget',
render: ({ props, element }) => {
setTimeout(() => {
@@ -16,6 +16,7 @@ export const Widget = Shade({
return (
promisifyAnimation(
ev.target as any,
@@ -101,7 +102,13 @@ export const WelcomePage = Shade<{}, { currentUser: User | null }>({
{serviceList
.filter((service) => service.requiredRoles.every((role) => getState().currentUser?.roles.includes(role)))
.map((service, index) => (
-
+
))}
diff --git a/frontends/wrap-r/src/pages/xpense/account-context.tsx b/frontends/wrap-r/src/pages/xpense/account-context.tsx
new file mode 100644
index 00000000..7689dce5
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/account-context.tsx
@@ -0,0 +1,198 @@
+import { Shade, createComponent, LocationService, Router } from '@furystack/shades'
+import { xpense } from 'common-models'
+import { XpenseApiService } from 'common-frontend-utils'
+import { match } from 'path-to-regexp'
+import { Init } from '../init'
+import { AccountDashboard } from './account-dashboard'
+import { ReplenishPage } from './replenish'
+import { XpenseShoppingPage } from './shopping'
+import { AccountHistory } from './account-history'
+import { ItemDetails } from './item-details'
+import { ShoppingDetails } from './shopping-details'
+import { ShopDetails } from './shop-details'
+import { ReplenishmentDetails } from './replenishment-details'
+
+export const AccountContext = Shade<
+ { type: 'user' | 'organization'; accountName: string; owner: string },
+ { account?: xpense.Account; items: xpense.Item[]; shops: xpense.Shop[]; isLoading: boolean; error?: Error }
+>({
+ shadowDomName: 'xpense-account-context',
+ getInitialState: () => ({
+ isLoading: true,
+ items: [],
+ shops: [],
+ }),
+ constructed: ({ injector, updateState, getState }) => {
+ const subscriptions = [
+ injector.getInstance(LocationService).onLocationChanged.subscribe(async (l) => {
+ const matcher = match<{ type: 'user' | 'organization'; owner: string; accountName: string }>(
+ '/xpense/:type/:owner/:accountName',
+ {
+ end: false,
+ decode: decodeURIComponent,
+ },
+ )
+ const matched = matcher(l.pathname)
+ if (matched) {
+ const { account } = getState()
+ if (
+ !account ||
+ account.name !== matched.params.accountName ||
+ account.ownerName !== matched.params.owner ||
+ account.ownerType !== matched.params.type
+ ) {
+ updateState({ isLoading: true })
+ try {
+ const loadedAccount = await injector.getInstance(XpenseApiService).call({
+ method: 'GET',
+ action: '/:type/:owner/:accountName',
+ url: matched.params,
+ })
+ updateState({ account: loadedAccount })
+ } catch (error) {
+ updateState({ error })
+ } finally {
+ updateState({ isLoading: false })
+ }
+ }
+ }
+ }, true),
+ ]
+ injector
+ .getInstance(XpenseApiService)
+ .call({ method: 'GET', action: '/items' })
+ .then((items) => {
+ updateState({ items })
+ })
+ injector
+ .getInstance(XpenseApiService)
+ .call({ method: 'GET', action: '/shops' })
+ .then((shops) => {
+ updateState({ shops })
+ })
+ return () => subscriptions.map((s) => s.dispose())
+ },
+ render: ({ props, getState, updateState }) => {
+ const { account, isLoading, error, shops, items } = getState()
+ if (isLoading) {
+ return
+ }
+ if (error || !account) {
+ return (
+
+
+
WhoOoOops... 😱
+
Failed to load account '{props.accountName}' 😓
+
There was a trouble loading the account.
+
+
Reload page
+
+ )
+ }
+ return (
+
+
(
+ {
+ const { account: acc } = getState()
+ if (acc) {
+ updateState({
+ account: {
+ ...acc,
+ current: acc.current + replenishment.amount,
+ history: [
+ ...acc.history,
+ {
+ balance: acc.current + replenishment.amount,
+ change: replenishment.amount,
+ date: new Date().toISOString(),
+ relatedEntry: {
+ replenishmentId: replenishment._id,
+ },
+ },
+ ],
+ },
+ })
+ }
+ }}
+ />
+ ),
+ },
+ {
+ url: '/xpense/:type/:owner/:accountName/shopping',
+ component: () => (
+ {
+ const currentBalance = account.current - shopping.sumAmount
+ updateState({
+ account: {
+ ...account,
+ current: currentBalance,
+ history: [
+ ...account.history,
+ {
+ balance: currentBalance,
+ change: -shopping.sumAmount,
+ date: shopping.creationDate,
+ relatedEntry: { shoppingId: shopping._id },
+ },
+ ],
+ },
+ })
+ }}
+ />
+ ),
+ },
+ {
+ url: '/xpense/:type/:owner/:accountName/history',
+ component: () => ,
+ },
+ {
+ url: '/xpense/:type/:owner/:accountName/shopping/:shoppingId',
+ component: ({ match: m }) => (
+
+ ),
+ },
+ {
+ url: '/xpense/:type/:owner/:accountName/replenishment/:replenishmentId',
+ component: ({ match: m }) => ,
+ },
+ {
+ url: '/xpense/:type/:owner/:accountName/shop/:shopId',
+ component: ({ match: m }) => ,
+ },
+ {
+ url: '/xpense/:type/:owner/:accountName/item/:itemId',
+ component: ({ match: m }) => (
+ i._id === m.params.itemId) as xpense.Item} />
+ ),
+ },
+ { url: '/', routingOptions: { end: false }, component: () => },
+ ]}
+ />
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/account-dashboard.tsx b/frontends/wrap-r/src/pages/xpense/account-dashboard.tsx
new file mode 100644
index 00000000..56d9dd8f
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/account-dashboard.tsx
@@ -0,0 +1,47 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { xpense } from 'common-models'
+import { Widget } from '../welcome-page'
+import { AccountSelector } from './components/account-selector'
+import { SelectedAccountHeader } from './components/header'
+
+export const AccountDashboard = Shade({
+ shadowDomName: 'xpense-account-dashboard',
+ render: ({ props }) => {
+ const accountUriFragment = encodeURI(`${props.ownerType}/${props.ownerName}/${props.name}`)
+ return (
+
+
+
+
+
history.pushState({}, '', `/xpense/${account}`)}
+ currentAccount={props}
+ />
+
+
+
+
+
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/account-history.tsx b/frontends/wrap-r/src/pages/xpense/account-history.tsx
new file mode 100644
index 00000000..74aaf02f
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/account-history.tsx
@@ -0,0 +1,88 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { Chart, ChartPoint } from 'chart.js'
+import { xpense } from 'common-models'
+import { colors, Button } from 'common-components'
+
+export const AccountHistory = Shade<{ account: xpense.Account }>({
+ shadowDomName: 'xpense-account-history-page',
+ onAttach: ({ element, props }) => {
+ setTimeout(() => {
+ const canvas = element.querySelector('canvas') as HTMLCanvasElement
+ new Chart(canvas, {
+ type: 'line',
+ data: {
+ labels: props.account.history.map((h) => h.date),
+ datasets: [
+ {
+ label: 'Balance',
+ data: props.account.history.map((h) => ({ y: h.balance, t: new Date(h.date) } as ChartPoint)),
+ borderColor: colors.primary.main,
+ backgroundColor: colors.primary.dark,
+ },
+ ],
+ },
+ options: {
+ legend: {
+ display: false,
+ },
+ onClick: (_ev, el) => {
+ if (!(el as any)[0]) {
+ return
+ }
+ const ev: xpense.Account['history'][number] = props.account.history[(el as any)[0]?._index as number]
+ const { relatedEntry } = ev
+ if (relatedEntry.type === 'replenishment') {
+ history.pushState(
+ {},
+ '',
+ `/xpense/${props.account.ownerType}/${props.account.ownerName}/${props.account.name}/replenishment/${relatedEntry.replenishmentId}`,
+ )
+ } else if (relatedEntry.type === 'shopping') {
+ history.pushState(
+ {},
+ '',
+ `/xpense/${props.account.ownerType}/${props.account.ownerName}/${props.account.name}/shopping/${relatedEntry.shoppingId}`,
+ )
+ }
+ },
+ elements: {
+ line: {
+ cubicInterpolationMode: 'monotone',
+ },
+ point: {
+ radius: 5,
+ },
+ },
+ scales: {
+ xAxes: [
+ {
+ type: 'time',
+ time: {
+ minUnit: 'hour',
+ },
+ },
+ ],
+ },
+ },
+ })
+ }, 100)
+ },
+ render: () => {
+ return (
+
+
+
+
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/add-account.tsx b/frontends/wrap-r/src/pages/xpense/add-account.tsx
new file mode 100644
index 00000000..9c2248e6
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/add-account.tsx
@@ -0,0 +1,46 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { Input, Button, styles } from 'common-components/src'
+import { XpenseApiService } from 'common-frontend-utils/src'
+import { AvailableAccountsContext } from './services/available-accounts-context'
+
+export const AddXpenseAccountPage = Shade<{}, { name: string; description: string; icon: string }>({
+ getInitialState: () => ({ name: '', description: '', icon: '💳' }),
+ render: ({ injector, getState, updateState }) => {
+ return (
+
+
Create new account
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/components/account-selector.tsx b/frontends/wrap-r/src/pages/xpense/components/account-selector.tsx
new file mode 100644
index 00000000..7dfd941f
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/components/account-selector.tsx
@@ -0,0 +1,57 @@
+import { Shade, createComponent, LocationService } from '@furystack/shades'
+import { Autocomplete, Button } from 'common-components'
+import { xpense } from 'common-models'
+import { AvailableAccountsContext } from '../services/available-accounts-context'
+
+export const AccountSelector = Shade<
+ { currentAccount?: xpense.Account; onSelectAccount?: (accountUrlFragment: string) => void },
+ {
+ selectedAccountName?: string
+ accountNames: string[]
+ }
+>({
+ getInitialState: ({ props }) => ({
+ accounts: [],
+ accountNames: [],
+ selectedAccountName: props.currentAccount
+ ? `${props.currentAccount.ownerType}/${props.currentAccount.ownerName}/${props.currentAccount.name}`
+ : '',
+ }),
+ constructed: async ({ injector, updateState }) => {
+ const accounts = await injector.getInstance(AvailableAccountsContext).accounts
+ updateState({
+ accountNames: accounts.map((a) => `${a.ownerType}/${a.ownerName}/${a.name}`),
+ })
+ },
+ render: ({ injector, updateState, getState, props }) => {
+ const { accountNames, selectedAccountName } = getState()
+
+ return (
+
+
{
+ props.onSelectAccount && props.onSelectAccount(encodeURI(account))
+ updateState({ selectedAccountName: account })
+ }}
+ />
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/components/header.tsx b/frontends/wrap-r/src/pages/xpense/components/header.tsx
new file mode 100644
index 00000000..e8e90f63
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/components/header.tsx
@@ -0,0 +1,32 @@
+import { Shade, createComponent, RouteLink } from '@furystack/shades'
+import { xpense } from 'common-models'
+
+export const SelectedAccountHeader = Shade<{ area: string; account: xpense.Account }>({
+ render: ({ props }) => {
+ return (
+
+
{props.area}
+
+ {' '}
+
+ 💳 {props.account.name}
+
+ {props.account.ownerType === 'user' ? (
+
+ {' '}
+ 🙅♂️ {props.account.ownerName}{' '}
+
+ ) : (
+
+ {' '}
+ 🏢 {props.account.ownerName}{' '}
+
+ )}
+ 💲{props.account.current.toString()}{' '}
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/components/shopping-entry.tsx b/frontends/wrap-r/src/pages/xpense/components/shopping-entry.tsx
new file mode 100644
index 00000000..996d36ec
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/components/shopping-entry.tsx
@@ -0,0 +1,114 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { Input, Autocomplete, Button } from 'common-components'
+import { xpense } from 'common-models'
+
+export interface ShoppingEntry {
+ name: string
+ amount: number
+ unitPrice: number
+ totalPrice: number
+}
+
+export interface ShoppingEntryProps {
+ entry: ShoppingEntry
+ items: xpense.Item[]
+ onChange: (updated: ShoppingEntry) => void
+ onRemove: (entry: ShoppingEntry) => void
+}
+
+export const ShoppingEntryRow = Shade({
+ shadowDomName: 'xpense-shopping-entry',
+ render: ({ props, element }) => {
+ const getUnitPriceInput = () => element.querySelector('input[name=unitPrice]') as HTMLInputElement
+ const getTotalPriceInput = () => element.querySelector('input[name=totalPrice]') as HTMLInputElement
+ const getAmountInput = () => element.querySelector('input[name=amount]') as HTMLInputElement
+ const getNameInput = () => element.querySelector('input[name=entryName]') as HTMLInputElement
+
+ const getUnitPrice = () => parseFloat(getUnitPriceInput().value)
+ const getTotalPrice = () => parseFloat(getTotalPriceInput().value)
+ const getAmount = () => parseFloat(getAmountInput().value)
+ const getName = () => getNameInput().value
+
+ const setUnitPrice = (newValue: number) => parseFloat((getUnitPriceInput().value = newValue.toString()))
+ const setTotalPrice = (newValue: number) => parseFloat((getTotalPriceInput().value = newValue.toString()))
+ const setAmount = (newValue: number) => parseFloat((getAmountInput().value = newValue.toString()))
+
+ const getEntriesFromInputs: () => ShoppingEntry = () => ({
+ name: getName(),
+ amount: getAmount(),
+ totalPrice: getTotalPrice(),
+ unitPrice: getUnitPrice(),
+ })
+
+ return (
+
+
i.name)}
+ onchange={(value) => {
+ props.onChange({ ...props.entry, name: value })
+ }}
+ />
+ {
+ const valueNo = parseFloat(value)
+ const totalPrice = valueNo * getAmount()
+ setUnitPrice(valueNo)
+ setTotalPrice(totalPrice)
+ props.onChange({
+ ...getEntriesFromInputs(),
+ unitPrice: valueNo,
+ totalPrice,
+ })
+ }}
+ />
+ {
+ const amountNo = parseFloat(value)
+ const unitPrice = getUnitPrice()
+ const totalPrice = unitPrice * amountNo
+ setTotalPrice(totalPrice)
+ setAmount(amountNo)
+ props.onChange({
+ ...getEntriesFromInputs(),
+ unitPrice,
+ amount: amountNo,
+ totalPrice,
+ })
+ }}
+ />
+ {
+ const totalPriceNo = parseFloat(value)
+ const unitPrice = totalPriceNo / getAmount()
+ setUnitPrice(unitPrice)
+ props.onChange({
+ ...getEntriesFromInputs(),
+ totalPrice: totalPriceNo,
+ })
+ }}
+ />
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/index.tsx b/frontends/wrap-r/src/pages/xpense/index.tsx
new file mode 100644
index 00000000..f82a609e
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/index.tsx
@@ -0,0 +1,68 @@
+import { Shade, createComponent, Router } from '@furystack/shades'
+import { styles, Fab, colors } from 'common-components'
+import { Widget } from '../welcome-page'
+import { AccountContext } from './account-context'
+import { AvailableAccountsContext, AvailableAccount } from './services/available-accounts-context'
+
+export const XpensePage = Shade<
+ { accountOwner?: string; accountType?: 'user' | 'organization'; accountName: string },
+ { availableAccounts?: AvailableAccount[] }
+>({
+ getInitialState: () => ({ availableAccounts: [] }),
+ constructed: ({ injector, updateState }) => {
+ injector
+ .getInstance(AvailableAccountsContext)
+ .accounts.then((availableAccounts) => updateState({ availableAccounts }))
+ },
+ render: ({ getState }) => {
+ return (
+
+
(
+
+
+ {getState().availableAccounts?.map((account, index) => (
+
+ ))}
+ history.pushState({}, '', '/xpense/add-account')}>
+ ➕
+
+
+
+ )}
+ routes={[
+ {
+ routingOptions: { end: false },
+ url: '/xpense/:type/:owner/:accountName',
+ component: ({ match }) => (
+
+ ),
+ },
+ ]}
+ />
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/item-details.tsx b/frontends/wrap-r/src/pages/xpense/item-details.tsx
new file mode 100644
index 00000000..0f033a14
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/item-details.tsx
@@ -0,0 +1,25 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { xpense } from 'common-models'
+import { SelectedAccountHeader } from './components/header'
+import { AccountSelector } from './components/account-selector'
+
+export const ItemDetails = Shade<{ item: xpense.Item; account: xpense.Account }>({
+ shadowDomName: 'xpense-item-details',
+ render: ({ props }) => {
+ return (
+
+
+
+
+
history.pushState({}, '', `/xpense/${account}`)}
+ currentAccount={props.account}
+ />
+
+
+ {JSON.stringify(props.item, undefined, 2)}
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/replenish.tsx b/frontends/wrap-r/src/pages/xpense/replenish.tsx
new file mode 100644
index 00000000..dec8d084
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/replenish.tsx
@@ -0,0 +1,93 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { styles, Input, Button, colors } from 'common-components'
+import { XpenseApiService } from 'common-frontend-utils'
+import { xpense } from 'common-models'
+import { SelectedAccountHeader } from './components/header'
+
+export const ReplenishPage = Shade<
+ xpense.Account & { onReplenished: (replenishment: xpense.Replenishment) => void },
+ { amount: number; comment?: string; error?: Error }
+>({
+ getInitialState: () => ({
+ amount: 0,
+ }),
+ shadowDomName: 'replenish-page',
+ render: ({ props, getState, updateState, injector }) => {
+ const { error } = getState()
+ if (error) {
+ return (
+
+
+
WhoOoOops... 😱
+
Failed to add to the balance 😓
+
Something went wrong during replenishing the balance for account '{props.name}'
+
{JSON.stringify(error)}
+
+
Go to home...
+
+ )
+ }
+ return (
+
+
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/replenishment-details.tsx b/frontends/wrap-r/src/pages/xpense/replenishment-details.tsx
new file mode 100644
index 00000000..31efb140
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/replenishment-details.tsx
@@ -0,0 +1,65 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { XpenseApiService, getErrorMessage } from 'common-frontend-utils'
+import { xpense } from 'common-models'
+import { Init } from '../init'
+
+export const ReplenishmentDetails = Shade<
+ { replenishmentId: string },
+ { isLoading: boolean; replenishment?: xpense.Replenishment; error?: string }
+>({
+ getInitialState: () => ({
+ isLoading: true,
+ }),
+ shadowDomName: 'xpense-replenishment-details',
+ constructed: async ({ injector, props, updateState }) => {
+ try {
+ const replenishment = await injector.getInstance(XpenseApiService).call({
+ method: 'GET',
+ action: '/replenishments/:replenishmentId',
+ url: { replenishmentId: props.replenishmentId },
+ })
+ updateState({ replenishment })
+ } catch (error) {
+ const errorMessage = await getErrorMessage(error)
+ updateState({ error: errorMessage })
+ } finally {
+ updateState({ isLoading: false })
+ }
+ },
+ render: ({ getState }) => {
+ const { isLoading, replenishment, error } = getState()
+ if (isLoading) {
+ return
+ }
+ if (error || !replenishment) {
+ return (
+
+
+
WhoOoOops... 😱
+ Failed to load replenishment 😓
+
+
Reload page
+
+ )
+ }
+ return (
+
+ {JSON.stringify(replenishment, undefined, 2)}
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/services/available-accounts-context.ts b/frontends/wrap-r/src/pages/xpense/services/available-accounts-context.ts
new file mode 100644
index 00000000..54e99400
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/services/available-accounts-context.ts
@@ -0,0 +1,26 @@
+import { Injectable } from '@furystack/inject'
+import { XpenseApiService } from 'common-frontend-utils'
+
+export interface AvailableAccount {
+ name: string
+ icon?: string
+ ownerType: 'user' | 'organization'
+ ownerName: string
+ current: number
+}
+
+@Injectable({ lifetime: 'singleton' })
+export class AvailableAccountsContext {
+ public accounts!: Promise
+
+ public reload() {
+ this.accounts = this.api.call({
+ method: 'GET',
+ action: '/availableAccounts',
+ })
+ }
+
+ constructor(private readonly api: XpenseApiService) {
+ this.reload()
+ }
+}
diff --git a/frontends/wrap-r/src/pages/xpense/shop-details.tsx b/frontends/wrap-r/src/pages/xpense/shop-details.tsx
new file mode 100644
index 00000000..406719df
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/shop-details.tsx
@@ -0,0 +1,10 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { xpense } from 'common-models'
+import { Init } from '../init'
+
+export const ShopDetails = Shade<{ shopId: string; account: xpense.Account; items: xpense.Item[] }>({
+ shadowDomName: 'xpense-shop-details',
+ render: () => {
+ return
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/shopping-details.tsx b/frontends/wrap-r/src/pages/xpense/shopping-details.tsx
new file mode 100644
index 00000000..0cdecfc9
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/shopping-details.tsx
@@ -0,0 +1,63 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { xpense } from 'common-models'
+import { XpenseApiService, getErrorMessage } from 'common-frontend-utils'
+import { Init } from '../init'
+
+export const ShoppingDetails = Shade<
+ { account: xpense.Account; shoppingId: string; items: xpense.Item[] },
+ { isLoading: boolean; shopping?: xpense.Shopping; error?: string }
+>({
+ getInitialState: () => ({ isLoading: true }),
+ constructed: async ({ injector, props, updateState }) => {
+ try {
+ const shopping = await injector.getInstance(XpenseApiService).call({
+ method: 'GET',
+ action: '/shopping/:shoppingId',
+ url: { shoppingId: props.shoppingId },
+ })
+ updateState({ shopping })
+ } catch (error) {
+ const errorMessage = await getErrorMessage(error)
+ updateState({ error: errorMessage })
+ } finally {
+ updateState({ isLoading: false })
+ }
+ },
+ shadowDomName: 'xpense-shopping-details',
+ render: ({ getState }) => {
+ const { isLoading, error, shopping } = getState()
+ if (isLoading) {
+ return
+ }
+ if (error || !shopping) {
+ return (
+
+
+
WhoOoOops... 😱
+ Failed to load shopping info 😓
+
+
Reload page
+
+ )
+ }
+ return (
+
+ {JSON.stringify(shopping, undefined, 2)}
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/pages/xpense/shopping.tsx b/frontends/wrap-r/src/pages/xpense/shopping.tsx
new file mode 100644
index 00000000..aad71699
--- /dev/null
+++ b/frontends/wrap-r/src/pages/xpense/shopping.tsx
@@ -0,0 +1,160 @@
+import { Shade, createComponent } from '@furystack/shades'
+import { styles, Autocomplete, Button, Input, colors } from 'common-components'
+import { xpense } from 'common-models'
+import { XpenseApiService } from 'common-frontend-utils'
+import { Init } from '../init'
+import { AccountSelector } from './components/account-selector'
+import { SelectedAccountHeader } from './components/header'
+import { ShoppingEntry, ShoppingEntryRow } from './components/shopping-entry'
+
+export const XpenseShoppingPage = Shade<
+ xpense.Account & { shops: xpense.Shop[]; items: xpense.Item[]; onShopped: (total: xpense.Shopping) => void },
+ { entries: ShoppingEntry[]; shopName: string; error?: Error; isSaveInProgress?: boolean }
+>({
+ shadowDomName: 'xpense-shopping-page',
+ getInitialState: () => ({
+ shopName: '',
+ entries: [],
+ }),
+ render: ({ props, getState, updateState, element, injector }) => {
+ const { error, isSaveInProgress } = getState()
+
+ const updateTotal = () => {
+ const { entries } = getState()
+ const total = entries.reduce((last, current) => last + (current.totalPrice || 0), 0)
+ ;(element.querySelector('#total') as HTMLInputElement).value = total.toString()
+ return total
+ }
+
+ if (isSaveInProgress) {
+ return
+ }
+
+ if (error) {
+ return (
+
+
+
WhoOoOops... 😱
+
Something really really bad happened... 😓
+
Something went wrong during saving your shopping. '{props.name}'
+
{JSON.stringify(error)}
+
+
Go to home...
+
+ )
+ }
+
+ return (
+
+
+
+
+
history.pushState({}, '', `/xpense/${acc}/shopping`)}
+ currentAccount={props}
+ />
+
+
+
+ )
+ },
+})
diff --git a/frontends/wrap-r/src/services/github-auth-provider.ts b/frontends/wrap-r/src/services/github-auth-provider.ts
index 133eade5..de48544a 100644
--- a/frontends/wrap-r/src/services/github-auth-provider.ts
+++ b/frontends/wrap-r/src/services/github-auth-provider.ts
@@ -1,6 +1,6 @@
import { Injectable } from '@furystack/inject'
import { WrapRApiService, SessionService } from 'common-frontend-utils'
-import { tokens } from 'common-config/src'
+import { tokens } from 'common-config'
@Injectable({ lifetime: 'singleton' })
export class GithubAuthProvider {
diff --git a/frontends/wrap-r/webpack.common.js b/frontends/wrap-r/webpack.common.js
index 26cb0b38..af1c6a28 100644
--- a/frontends/wrap-r/webpack.common.js
+++ b/frontends/wrap-r/webpack.common.js
@@ -16,10 +16,12 @@ module.exports = {
new webpack.EnvironmentPlugin({
APP_VERSION: require('./package.json').version,
BUILD_DATE: new Date().toISOString(),
- WRAPPR_SERVICE_INTERNAL_PORT: process.env.WRAPPR_SERVICE_INTERNAL_PORT || sites.services['wrap-r'].internalPort,
- WRAPPR_SERVICE_EXTENRAL_URL: process.env.WRAPPR_SERVICE_EXTENRAL_URL || sites.services['wrap-r'].externalPath,
- LOGGR_SERVICE_INTERNAL_PORT: process.env.LOGGR_SERVICE_INTERNAL_PORT || sites.services['logg-r'].internalPort,
- LOGGR_SERVICE_EXTENAL_URL: process.env.LOGGR_SERVICE_EXTENAL_URL || sites.services['logg-r'].externalPath,
+ WRAPPR_SERVICE_INTERNAL_PORT: sites.services['wrap-r'].internalPort,
+ WRAPPR_SERVICE_EXTERNAL_URL: sites.services['wrap-r'].externalPath,
+ LOGGR_SERVICE_INTERNAL_PORT: sites.services['logg-r'].internalPort,
+ LOGGR_SERVICE_EXTERNAL_URL: sites.services['logg-r'].externalPath,
+ XPENSE_SERVICE_INTERNAL_PORT: sites.services.xpense.internalPort,
+ XPENSE_SERVICE_EXTERNAL_URL: sites.services.xpense.externalPath,
GITHUB_CLIENT_ID: process.env.GITHUB_CLIENT_ID || tokens.githubClientId,
GITHUB_CLIENT_SECRET: process.env.GITHUB_CLIENT_SECRET || tokens.githubClientSecret,
GOOGLE_CLIENT_ID: process.env.GOOGLE_CLIENT_ID || tokens.googleClientId,
diff --git a/lib/chart.js/Chart.bundle.js b/lib/chart.js/Chart.bundle.js
new file mode 100644
index 00000000..d8ee292e
--- /dev/null
+++ b/lib/chart.js/Chart.bundle.js
@@ -0,0 +1,20991 @@
+/*!
+ * Chart.js v2.9.3
+ * https://www.chartjs.org
+ * (c) 2019 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 * -0.204 + z * 1.057
+
+ // 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
+
+ /**
+ * @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 = {}
+ 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) {
+ 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) {
+ 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({}, [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
+ return layout.horizontal ? newWidth !== chartArea.w : newHeight !== chartArea.h
+ }
+ }
+
+ 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