Method _combineOptions

src/google-maps/google-map/google-map.ts:515–528

Combines the center and zoom and the other map options into a single object

()

  /** Combines the center and zoom and the other map options into a single object */
  private _combineOptions(): google.maps.MapOptions {
    const options = this._options || {};
    return {
      ...options,
      // It's important that we set **some** kind of `center` and `zoom`, otherwise
      // Google Maps will render a blank rectangle which looks broken.
      center: this._center || options.center || DEFAULT_OPTIONS.center,
      zoom: this._zoom ?? options.zoom ?? DEFAULT_OPTIONS.zoom,
      // Passing in an undefined `mapTypeId` seems to break tile loading
      // so make sure that we have some kind of default (see #22082).
      mapTypeId: this.mapTypeId || options.mapTypeId || DEFAULT_OPTIONS.mapTypeId,
      mapId: this.mapId || options.mapId,
    };
  }

  /** Asserts that the map has been initialized. */
  private _assertInitialized(): asserts this is {googleMap: google.maps.Map} {