ng2-charts/fesm2022/ng2-charts.mjs.map

Reactive, responsive, beautiful charts for Angular based on Chart.js

{"version":3,"file":"ng2-charts.mjs","sources":["../../../../libs/ng2-charts/src/lib/ng-charts.provider.ts","../../../../libs/ng2-charts/src/lib/theme.service.ts","../../../../libs/ng2-charts/src/lib/base-chart.directive.ts","../../../../libs/ng2-charts/src/index.ts","../../../../libs/ng2-charts/src/ng2-charts.ts"],"sourcesContent":["import { InjectionToken } from '@angular/core';\nimport {\n  ChartComponentLike,\n  Defaults,\n  registerables as defaultRegisterables,\n} from 'chart.js';\nimport { DeepPartial } from 'chart.js/dist/types/utils';\nimport { merge } from 'lodash-es';\n\nexport const NG_CHARTS_CONFIGURATION =\n  new InjectionToken<NgChartsConfiguration>('Configuration for ngCharts');\n\nexport type NgChartsConfiguration = {\n  /**\n   * Any registerable that can be used with `Chart.register()`, such as plugins, controllers, scales, and elements.\n   */\n  registerables?: readonly ChartComponentLike[];\n\n  /**\n   * Default configuration that can be used with `defaults.set()`.\n   */\n  defaults?: DeepPartial<Defaults>;\n};\n\n/**\n * Provide all the default registerable as defined by Chart.js\n */\nexport function withDefaultRegisterables(\n  ...registerables: ChartComponentLike[]\n): NgChartsConfiguration {\n  return { registerables: [...defaultRegisterables, ...registerables] };\n}\n\n/**\n * Provide configuration for ngCharts. In most cases, you have to pass it some registerables. So either\n * `withDefaultRegisterables()`, or a custom list of registerables tailored to your needs to reduce bundle size.\n */\nexport function provideCharts(\n  ...configurations: readonly NgChartsConfiguration[]\n) {\n  const config: NgChartsConfiguration = merge({}, ...configurations);\n  return { provide: NG_CHARTS_CONFIGURATION, useValue: config };\n}\n","import { Injectable } from '@angular/core';\nimport { BehaviorSubject } from 'rxjs';\nimport { ChartConfiguration, ChartOptions } from 'chart.js';\n\n@Injectable({\n  providedIn: 'root',\n})\nexport class ThemeService {\n  private pColorschemesOptions?: ChartOptions;\n  public colorschemesOptions: BehaviorSubject<ChartOptions | undefined> =\n    new BehaviorSubject<ChartOptions | undefined>(undefined);\n\n  setColorschemesOptions(options: ChartConfiguration['options']): void {\n    this.pColorschemesOptions = options;\n    this.colorschemesOptions.next(options);\n  }\n\n  getColorschemesOptions(): ChartConfiguration['options'] {\n    return this.pColorschemesOptions;\n  }\n}\n","import {\n  Directive,\n  ElementRef,\n  EventEmitter,\n  Inject,\n  Input,\n  NgZone,\n  OnChanges,\n  OnDestroy,\n  Optional,\n  Output,\n  SimpleChanges,\n} from '@angular/core';\nimport {\n  Chart,\n  ChartConfiguration,\n  ChartEvent,\n  ChartType,\n  DefaultDataPoint,\n  defaults,\n  Plugin,\n  UpdateMode,\n} from 'chart.js';\nimport { ThemeService } from './theme.service';\nimport { Subscription } from 'rxjs';\nimport { distinctUntilChanged } from 'rxjs/operators';\nimport { merge } from 'lodash-es';\nimport {\n  NG_CHARTS_CONFIGURATION,\n  NgChartsConfiguration,\n} from './ng-charts.provider';\n\n@Directive({\n  // eslint-disable-next-line @angular-eslint/directive-selector\n  selector: 'canvas[baseChart]',\n  exportAs: 'base-chart',\n  standalone: true,\n})\nexport class BaseChartDirective<\n    TType extends ChartType = ChartType,\n    TData = DefaultDataPoint<TType>,\n    TLabel = unknown,\n  >\n  implements OnDestroy, OnChanges\n{\n  @Input() public type: ChartConfiguration<TType, TData, TLabel>['type'] =\n    'bar' as TType;\n  @Input() public legend?: boolean;\n  @Input() public data?: ChartConfiguration<TType, TData, TLabel>['data'];\n  @Input() public options: ChartConfiguration<TType, TData, TLabel>['options'];\n  @Input() public plugins: Plugin<TType>[] = [];\n\n  @Input() public labels?: ChartConfiguration<\n    TType,\n    TData,\n    TLabel\n  >['data']['labels'];\n  @Input() public datasets?: ChartConfiguration<\n    TType,\n    TData,\n    TLabel\n  >['data']['datasets'];\n\n  @Output() public chartClick: EventEmitter<{\n    event?: ChartEvent;\n    active?: object[];\n  }> = new EventEmitter();\n  @Output() public chartHover: EventEmitter<{\n    event: ChartEvent;\n    active: object[];\n  }> = new EventEmitter();\n\n  public ctx: string;\n  public chart?: Chart<TType, TData, TLabel>;\n\n  private subs: Subscription[] = [];\n  private themeOverrides: ChartConfiguration['options'] = {};\n\n  public constructor(\n    element: ElementRef,\n    private zone: NgZone,\n    private themeService: ThemeService,\n    @Optional() @Inject(NG_CHARTS_CONFIGURATION) config?: NgChartsConfiguration,\n  ) {\n    if (config?.registerables) {\n      Chart.register(...config.registerables);\n    }\n\n    if (config?.defaults) {\n      defaults.set(config.defaults);\n    }\n\n    this.ctx = element.nativeElement.getContext('2d');\n    this.subs.push(\n      this.themeService.colorschemesOptions\n        .pipe(distinctUntilChanged())\n        .subscribe((r) => this.themeChanged(r)),\n    );\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    const requireRender = ['type'];\n    const propertyNames = Object.getOwnPropertyNames(changes);\n\n    if (\n      propertyNames.some((key) => requireRender.includes(key)) ||\n      propertyNames.every((key) => changes[key].isFirstChange())\n    ) {\n      this.render();\n    } else {\n      const config = this.getChartConfiguration();\n\n      // Using assign to avoid changing the original object reference\n      if (this.chart) {\n        Object.assign(this.chart.config.data, config.data);\n        if (this.chart.config.plugins) {\n          Object.assign(this.chart.config.plugins, config.plugins);\n        }\n        if (this.chart.config.options) {\n          Object.assign(this.chart.config.options, config.options);\n        }\n      }\n\n      this.update();\n    }\n  }\n\n  public ngOnDestroy(): void {\n    if (this.chart) {\n      this.chart.destroy();\n      this.chart = void 0;\n    }\n    this.subs.forEach((s) => s.unsubscribe());\n  }\n\n  public render(): Chart<TType, TData, TLabel> {\n    if (this.chart) {\n      this.chart.destroy();\n    }\n\n    return this.zone.runOutsideAngular(\n      () => (this.chart = new Chart(this.ctx, this.getChartConfiguration())),\n    );\n  }\n\n  public update(mode?: UpdateMode): void {\n    if (this.chart) {\n      this.zone.runOutsideAngular(() => this.chart?.update(mode));\n    }\n  }\n\n  public hideDataset(index: number, hidden: boolean): void {\n    if (this.chart) {\n      this.chart.getDatasetMeta(index).hidden = hidden;\n      this.update();\n    }\n  }\n\n  public isDatasetHidden(index: number): boolean | undefined {\n    return this.chart?.getDatasetMeta(index)?.hidden;\n  }\n\n  public toBase64Image(): string | undefined {\n    return this.chart?.toBase64Image();\n  }\n\n  private themeChanged(options: ChartConfiguration['options']): void {\n    this.themeOverrides = options;\n    if (this.chart) {\n      if (this.chart.config.options) {\n        Object.assign(this.chart.config.options, this.getChartOptions());\n      }\n\n      this.update();\n    }\n  }\n\n  private getChartOptions(): ChartConfiguration<\n    TType,\n    TData,\n    TLabel\n  >['options'] {\n    return merge(\n      {\n        onHover: (event: ChartEvent, active: object[]) => {\n          if (!this.chartHover.observed && !this.chartHover.observers?.length) {\n            return;\n          }\n\n          this.zone.run(() => this.chartHover.emit({ event, active }));\n        },\n        onClick: (event?: ChartEvent, active?: object[]) => {\n          if (!this.chartClick.observed && !this.chartClick.observers?.length) {\n            return;\n          }\n\n          this.zone.run(() => this.chartClick.emit({ event, active }));\n        },\n      },\n      this.themeOverrides,\n      this.options,\n      {\n        plugins: {\n          legend: {\n            display: this.legend,\n          },\n        },\n      },\n    );\n  }\n\n  private getChartConfiguration(): ChartConfiguration<TType, TData, TLabel> {\n    return {\n      type: this.type,\n      data: this.getChartData(),\n      options: this.getChartOptions(),\n      plugins: this.plugins,\n    };\n  }\n\n  private getChartData(): ChartConfiguration<TType, TData, TLabel>['data'] {\n    return this.data\n      ? this.data\n      : {\n          labels: this.labels || [],\n          datasets: this.datasets || [],\n        };\n  }\n}\n","/*\n * Public API Surface of ng2-charts\n */\n\nexport * from './lib/ng-charts.provider';\nexport * from './lib/base-chart.directive';\nexport * from './lib/theme.service';\n","/**\n * Generated bundle index. Do not edit.\n */\n\nexport * from 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