text: /**************************Leaflet4Vue Core*****************************/
  import L from "@leaflet/core";
  
  import Layer from "@leaflet/layer";
  import Map from "@leaflet/map";
  import Controls from "@/leaflet/controls";
  
  L.use(Layer);
  
  export default {
      install(Vue) {
          L.use(Map, { Vue });
          L.use(Controls, { Vue });
      }
  };
  
  /**********************************扩展包******************************/
  
  //Esri
  L.useAsync("esri", () =>
      import(/* webpackChunkName: "esri" */ "@leaflet/esri")
  );
  
  // Widget
  L.useAsync("widgets", () =>
      import(/* webpackChunkName: "widget" */ "@leaflet/widgets")
  );
  