Class TMapService

packages/maps/src/tmap/map.ts:33–498

// TODO: 基于抽象类 BaseMap 实现，补全缺失方法，解决类型问题
export default class TMapService extends BaseMapService<TMap.Map> {
  // @ts-ignore
  protected viewport: IViewport = null;
  protected evtCbProxyMap: Map<string, Map<(...args: any) => any, (...args: any) => any>> =
    new Map();

  public handleCameraChanged = () => {
    // Trigger map change event
    this.emit('mapchange');
    // resync
    const map = this.map;
    // @ts-ignore
    const { lng, lat } = map.getCenter();
    const option = {
      center: [lng, lat],
      // @ts-ignore
      viewportHeight: map.getContainer().clientHeight,
      // @ts-ignore
      viewportWidth: map.getContainer().clientWidth,
      // @ts-ignore
      bearing: map.getHeading(),
      // @ts-ignore
      pitch: map.getPitch(),
      // @ts-ignore
      zoom: map.getZoom() - 1,
    };

    this.viewport.syncWithMapCamera(option as any);
    this.updateCoordinateSystemService();
    this.cameraChangedCallback(this.viewport);
  };

  public async init(): Promise<void> {
    this.viewport = new Viewport();

    // TODO: Handle initial config
    const {
      id,
      mapInstance,
      center = [121.30654632240122, 31.25744185633306],
      token = TMAP_API_KEY,
      version = BMAP_VERSION,
      libraries = [],
      minZoom = 3,
      maxZoom = 18,
      rotation = 0,
      pitch = 0,
      mapSize = 10000,
      logoVisible = true,
      ...rest
    } = this.config;

    if (!(window.TMap || mapInstance)) {
      await TMapLoader.load({
        key: token,
        version,
        libraries,
      });