@ng-maps/marker-clusterer/fesm2022/ng-maps-marker-clusterer.mjs.map

**@ng-maps/marker-clusterer** is a wrapper around [MarkerClusterer](https://github.com/googlemaps/js-markerclusterer)

{"version":3,"file":"ng-maps-marker-clusterer.mjs","sources":["../../../../libs/marker-clusterer/src/lib/services/managers/cluster-manager.ts","../../../../libs/marker-clusterer/src/lib/directives/marker-cluster.ts","../../../../libs/marker-clusterer/src/lib/marker-clusterer.module.ts","../../../../libs/marker-clusterer/src/public-api.ts","../../../../libs/marker-clusterer/src/ng-maps-marker-clusterer.ts"],"sourcesContent":["import { Injectable, NgZone } from '@angular/core';\nimport {\n  MarkerClusterer,\n  MarkerClustererOptions,\n} from '@googlemaps/markerclusterer';\nimport { Observable, Observer } from 'rxjs';\n\nimport {\n  MapsApiWrapper,\n  NgMapsMarkerComponent,\n  NgMapsViewComponent,\n} from '@ng-maps/core';\nimport { GoogleMapsMarkerManager } from '@ng-maps/google';\n\nimport { MarkerClusterComponent } from '../../directives/marker-cluster';\n\n@Injectable({\n  providedIn: NgMapsViewComponent,\n})\nexport class ClusterManager extends GoogleMapsMarkerManager {\n  private _clustererInstance: Promise<MarkerClusterer>;\n  private _resolver?: (value?: any) => void;\n  constructor(_mapsWrapper: MapsApiWrapper, _zone: NgZone) {\n    super(_mapsWrapper, _zone);\n    this._clustererInstance = new Promise<MarkerClusterer>((resolver) => {\n      this._resolver = resolver;\n    });\n  }\n\n  public async createCluster(options: MarkerClustererOptions): Promise<void> {\n    const map = await this._mapsWrapper.getNativeMap();\n    if (this._resolver) {\n      this._resolver(\n        new MarkerClusterer({\n          map,\n          markers: [...this._markers.values()],\n          ...options,\n        }),\n      );\n    }\n  }\n\n  /**\n   * @todo fix commented options\n   * @param marker\n   */\n  public override async addMarker(\n    marker: NgMapsMarkerComponent,\n  ): Promise<void> {\n    if (\n      typeof marker.latitude !== 'number' ||\n      typeof marker.longitude !== 'number'\n    ) {\n      return;\n    }\n\n    const cluster: MarkerClusterer = await this._clustererInstance;\n    const markers = await this._mapsWrapper.createMarker(\n      {\n        lat: marker.latitude,\n        lng: marker.longitude,\n      },\n      // TODO typings\n      {\n        label: marker.label,\n        draggable: marker.draggable,\n        icon: marker.icon ?? marker.iconUrl,\n        opacity: marker.opacity,\n        visible: marker.visible,\n        zIndex: marker.zIndex,\n        title: marker.title,\n        clickable: marker.clickable,\n      } as any,\n      false,\n    );\n    cluster.addMarker(markers);\n    this._markers.set(marker, markers);\n  }\n\n  public override async deleteMarker(\n    marker: NgMapsMarkerComponent,\n  ): Promise<void> {\n    const m = this._markers.get(marker);\n    if (m == null) {\n      // marker already deleted\n      return Promise.resolve();\n    }\n    this._zone.run(() => {\n      m.setMap(null);\n      this._clustererInstance.then((cluster) => {\n        cluster.removeMarker(m);\n        this._markers.delete(marker);\n      });\n    });\n  }\n\n  public clearMarkers(): Promise<void> {\n    return this._clustererInstance.then((cluster) => {\n      cluster.clearMarkers();\n    });\n  }\n\n  public createClusterEventObservable<T>(\n    eventName: string,\n    marker: MarkerClusterComponent,\n  ): Observable<T> {\n    return new Observable<T>((observer: Observer<T>) => {\n      this._clustererInstance.then((m: MarkerClusterer) => {\n        m.addListener(eventName, (e: T) =>\n          this._zone.run(() => observer.next(e)),\n        );\n      });\n    });\n  }\n}\n","import {\n  Directive,\n  EventEmitter,\n  Input,\n  OnChanges,\n  OnDestroy,\n  OnInit,\n  Output,\n  SimpleChanges,\n} from '@angular/core';\nimport { Algorithm, Cluster, Renderer } from '@googlemaps/markerclusterer';\n\nimport { InfoWindowManager, MarkerManager } from '@ng-maps/core';\nimport { GoogleInfoWindowManager } from '@ng-maps/google';\n\nimport { ClusterManager } from '../services/managers/cluster-manager';\n\n/**\n * MarkerClusterComponent clusters map marker if they are near together\n */\n@Directive({\n  // eslint-disable-next-line @angular-eslint/directive-selector\n  selector: 'map-marker-cluster',\n  providers: [\n    ClusterManager,\n    { provide: MarkerManager, useExisting: ClusterManager },\n    { provide: InfoWindowManager, useClass: GoogleInfoWindowManager },\n  ],\n  standalone: false,\n})\n// eslint-disable-next-line @angular-eslint/directive-class-suffix\nexport class MarkerClusterComponent implements OnDestroy, OnChanges, OnInit {\n  /**\n   * see {@link https://googlemaps.github.io/js-markerclusterer/interfaces/Algorithm.html}\n   */\n  @Input() public algorithm?: Algorithm;\n  /**\n   * see {@link https://googlemaps.github.io/js-markerclusterer/interfaces/Renderer.html}\n   */\n  @Input() public renderer?: Renderer;\n\n  @Output()\n  public clusterClick: EventEmitter<{\n    event: google.maps.MapMouseEvent;\n    cluster: Cluster;\n    map: google.maps.Map;\n  }> = new EventEmitter<{\n    event: google.maps.MapMouseEvent;\n    cluster: Cluster;\n    map: google.maps.Map;\n  }>();\n  constructor(private _clusterManager: ClusterManager) {}\n\n  /** @internal */\n  public ngOnDestroy() {\n    this._clusterManager.clearMarkers();\n  }\n\n  /** @internal */\n  public ngOnChanges(changes: SimpleChanges) {\n    if (changes['algorithm'] || changes['renderer']) {\n      this.updateClusterManager();\n    }\n  }\n\n  /** @internal */\n  public ngOnInit() {\n    this.updateClusterManager();\n  }\n\n  private updateClusterManager() {\n    this._clusterManager.createCluster({\n      algorithm: this.algorithm,\n      renderer: this.renderer,\n      onClusterClick: (\n        event: google.maps.MapMouseEvent,\n        cluster: Cluster,\n        map: google.maps.Map,\n      ) => this.clusterClick.emit({ event, cluster, map }),\n    });\n  }\n}\n","import { NgModule } from '@angular/core';\n\nimport { NgMapsCoreModule } from '@ng-maps/core';\n\nimport { MarkerClusterComponent } from './directives/marker-cluster';\n\n@NgModule({\n  imports: [NgMapsCoreModule],\n  declarations: [MarkerClusterComponent],\n  exports: [MarkerClusterComponent],\n})\nexport class NgMapsMarkerClustererModule {}\n","/*\n * Public API Surface of js-marker-clusterer\n */\n\nexport * from './lib/directives';\nexport * from './lib/services';\nexport * from './lib/marker-clusterer.module';\n","/**\n * Generated bundle index. 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