Method listLayers

src/common/util/MapExtend.js:39–51

* @function listLayers * @category BaseTypes MapExtend * @version 11.2.0 * @description 扩展mapboxgl.Map， 获取所有叠加图层; * @returns {Array} 图层数组。

()

     * @returns {Array} 图层数组。
     */
    listLayers() {
      const layerList = [];
      const originLayers = this.style._order || [];
      layerList.push(...originLayers);
      for (let key in this.overlayLayersManager) {
        const layer = this.overlayLayersManager[key];
        const layerId = layer.id;
        if (!layerList.includes(layerId)) {
          layerList.push(layerId);
        }
      }
      return layerList;
    }
    
    getLayer(id) {
      const overlayLayer = this.overlayLayersManager[id];