@yelon/chart/fesm2022/tag-cloud.mjs.map

Cache the dictionary, city data etc.

{"version":3,"file":"tag-cloud.mjs","sources":["../../../../packages/chart/tag-cloud/tag-cloud.component.ts","../../../../packages/chart/tag-cloud/tag-cloud.module.ts","../../../../packages/chart/tag-cloud/tag-cloud.ts"],"sourcesContent":["import {\n  ChangeDetectionStrategy,\n  Component,\n  EventEmitter,\n  Input,\n  Output,\n  ViewEncapsulation,\n  numberAttribute\n} from '@angular/core';\nimport { fromEvent, debounceTime, filter } from 'rxjs';\n\nimport type { Chart, Event } from '@antv/g2';\n\nimport { G2BaseComponent } from '@yelon/chart/core';\nimport { NzSkeletonComponent } from 'ng-zorro-antd/skeleton';\n\nexport interface G2TagCloudData {\n  value?: number;\n  name?: string;\n  [key: string]: any;\n}\n\nexport interface G2TagCloudClickItem {\n  item: G2TagCloudData;\n  ev: Event;\n}\n\n@Component({\n  selector: 'g2-tag-cloud',\n  exportAs: 'g2TagCloud',\n  template: `@if (!loaded) {\n    <nz-skeleton />\n  }`,\n\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n  imports: [NzSkeletonComponent]\n})\nexport class G2TagCloudComponent extends G2BaseComponent {\n  // #region fields\n\n  @Input({ transform: numberAttribute }) width = 0;\n  @Input({ transform: numberAttribute }) height = 200;\n  @Input() padding: number | number[] | 'auto' = 0;\n  @Input() data: G2TagCloudData[] = [];\n  @Output() readonly clickItem = new EventEmitter<G2TagCloudClickItem>();\n\n  // #endregion\n\n  private initTagCloud(): void {\n    const winG2 = this.winG2;\n    winG2.registerShape('point', 'cloud', {\n      draw(cfg: any, container: any) {\n        const data = cfg.data as any;\n        const textShape = container.addShape({\n          type: 'text',\n          name: 'tag-cloud-text',\n          attrs: {\n            ...cfg.style,\n            fontSize: data.size,\n            text: data.text,\n            textAlign: 'center',\n            fontFamily: data.font,\n            fill: cfg.color,\n            textBaseline: 'Alphabetic',\n            x: cfg.x,\n            y: cfg.y\n          } as any\n        });\n        if (data.rotate) {\n          winG2.Util.rotate(textShape, (data.rotate * Math.PI) / 180);\n        }\n        return textShape;\n      }\n    });\n  }\n\n  install(): void {\n    this.initTagCloud();\n\n    const { el, padding, theme } = this;\n    if (this.height === 0) {\n      this.height = this.el.nativeElement.clientHeight;\n    }\n    if (this.width === 0) {\n      this.width = this.el.nativeElement.clientWidth;\n    }\n\n    const chart: Chart = (this._chart = new this.winG2.Chart({\n      container: el.nativeElement,\n      autoFit: false,\n      padding,\n      height: this.height,\n      width: this.width,\n      theme\n    }));\n    chart.scale({\n      x: { nice: false },\n      y: { nice: false }\n    });\n    chart.legend(false);\n    chart.axis(false);\n    chart.tooltip({\n      showTitle: false,\n      showMarkers: false\n    });\n    (chart.coordinate() as any).reflect();\n    chart\n      .point()\n      .position('x*y')\n      .color('text')\n      .shape('cloud')\n      .state({\n        active: {\n          style: {\n            fillOpacity: 0.4\n          }\n        }\n      });\n    chart.interaction('element-active');\n\n    chart.on('tag-cloud-text:click', (ev: Event) => {\n      this.ngZone.run(() => this.clickItem.emit({ item: ev.data?.data, ev }));\n    });\n\n    this.ready.next(chart);\n\n    this.changeData();\n    chart.render();\n  }\n\n  changeData(): void {\n    const { _chart, data } = this;\n    if (!_chart || !Array.isArray(data) || data.length <= 0) return;\n\n    const dv = new (window as any).DataSet.View().source(data);\n    const range = dv.range('value');\n    const min = range[0];\n    const max = range[1];\n\n    dv.transform({\n      type: 'tag-cloud',\n      fields: ['name', 'value'],\n      // imageMask,\n      font: 'Verdana',\n      size: [this.width, this.height], // 宽高设置最好根据 imageMask 做调整\n      padding: 0,\n      timeInterval: 5000, // max execute time\n      rotate() {\n        let random = ~~(Math.random() * 4) % 4;\n        if (random === 2) {\n          random = 0;\n        }\n        return random * 90; // 0, 90, 270\n      },\n      fontSize(d: any) {\n        return ((d.value - min) / (max - min)) * (32 - 8) + 8;\n      }\n    } as any);\n\n    _chart.changeData(dv.rows);\n  }\n\n  private installResizeEvent(): void {\n    this.resize$ = fromEvent(window, 'resize')\n      .pipe(\n        filter(() => !!this._chart),\n        debounceTime(200)\n      )\n      .subscribe(() => this.changeData());\n  }\n\n  onInit(): void {\n    this.installResizeEvent();\n  }\n}\n","import { CommonModule } from '@angular/common';\nimport { NgModule } from '@angular/core';\n\nimport { NzSkeletonModule } from 'ng-zorro-antd/skeleton';\n\nimport { G2TagCloudComponent } from './tag-cloud.component';\n\nconst COMPONENTS = [G2TagCloudComponent];\n\n@NgModule({\n  imports: [CommonModule, NzSkeletonModule, ...COMPONENTS],\n  exports: COMPONENTS\n})\nexport class G2TagCloudModule {}\n","/**\n * Generated bundle index. 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