project/node_modules/echarts/lib/coord/geo/geoSourceManager.js

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { createHashMap } from 'zrender/lib/core/util.js';
import { GeoSVGResource } from './GeoSVGResource.js';
import { GeoJSONResource } from './GeoJSONResource.js';
var storage = createHashMap();
export default {
  /**
   * Compatible with previous `echarts.registerMap`.
   *
   * @usage
   * ```js
   *
   * echarts.registerMap('USA', geoJson, specialAreas);
   *
   * echarts.registerMap('USA', {
   *     geoJson: geoJson,
   *     specialAreas: {...}
   * });
   * echarts.registerMap('USA', {
   *     geoJSON: geoJson,
   *     specialAreas: {...}
   * });
   *
   * echarts.registerMap('airport', {
   *     svg: svg
   * }
   * ```
   *
   * Note:
   * Do not support that register multiple geoJSON or SVG
   * one map name. Because different geoJSON and SVG have
   * different unit. It's not easy to make sure how those
   * units are mapping/normalize.
   * If intending to use multiple geoJSON or SVG, we can
   * use multiple geo coordinate system.
   */
  registerMap: function (mapName, rawDef, rawSpecialAreas) {
    if (rawDef.svg) {
      var resource = new GeoSVGResource(mapName, rawDef.svg);
      storage.set(mapName, resource);
    } else {
      // Recommend:
      //     echarts.registerMap('eu', { geoJSON: xxx, specialAreas: xxx });
      // Backward compatibility:
      //     echarts.registerMap('eu', geoJSON, specialAreas);
      //     echarts.registerMap('eu', { geoJson: xxx, specialAreas: xxx });
      var geoJSON = rawDef.geoJson || rawDef.geoJSON;
      if (geoJSON && !rawDef.features) {
        rawSpecialAreas = rawDef.specialAreas;
      } else {
        geoJSON = rawDef;
      }
      var resource = new GeoJSONResource(mapName, geoJSON, rawSpecialAreas);
      storage.set(mapName, resource);
    }
  },
  getGeoResource: function (mapName) {
    return storage.get(mapName);
  },
  /**
   * Only for exporting to users.
   * **MUST NOT** used internally.
   */
  getMapForUser: function (mapName) {
    var resource = storage.get(mapName);
    // Do not support return SVG until some real requirement come.
    return resource && resource.type === 'geoJSON' && resource.getMapForUser();
  },
  load: function (mapName, nameMap, nameProperty) {
    var resource = storage.get(mapName);
    if (!resource) {
      if (process.env.NODE_ENV !== 'production') {
        console.error('Map ' + mapName + ' not exists. The GeoJSON of the map must be provided.');
      }
      return;
    }
    return resource.load(nameMap, nameProperty);
  }
};