Method constructor

src/maplibregl/overlay/GraphMap.js:27–46

(serverUrl, options)

 */
export class GraphMap extends maplibregl.Evented {
  constructor(serverUrl, options) {
    super(serverUrl, options);
    /**
     * @member GraphMap.prototype.graph
     * @description KnowledgeGraph 的实例。
     *
     */
    this.graph = null;
    /**
     * @member GraphMap.prototype.EVENT_TYPES
     * @description 监听一个自定义事件可用如下方式:
     *
     * 支持的事件如下:
     * loaded - 渲染完成时触发。
     */
    this.EVENT_TYPES = ['loaded'];
    const graphMapName = serverUrl.split('/').pop();
    this.url = serverUrl.replace(`/graphmaps/${graphMapName}`, '');
    this.createGraphMap(graphMapName, options);
  }

  /**
   * @private