nakarte

index.js (1223B)

---

 import L from 'leaflet';
 import {fetch} from '~/lib/xhr-promise';
 import {notify} from '~/lib/notifications';
 import * as logging from '~/lib/logging';
 
 L.Layer.GeoJSONAjax = L.GeoJSON.extend({
         options: {
             requestTimeout: 30000
         },
 
         initialize: function(url, options) {
             L.GeoJSON.prototype.initialize.call(this, null, options);
             this.url = url;
         },
 
         // Promise can be rejected if json invalid or addData fails
         loadData: function() {
             if (this._loadStarted) {
                 return;
             }
             this._loadStarted = true;
             fetch(this.url, {timeout: this.options.requestTimeout})
                 .then(
                     (xhr) => {
                         this.addData(JSON.parse(xhr.response));
                     },
                     (e) => {
                         logging.captureException(e, 'failed to get geojson');
                         notify(`Failed to get GeoJSON data from ${this.url}: ${e.message}`);
                     }
                 );
         },
 
         onAdd: function(map) {
             L.GeoJSON.prototype.onAdd.call(this, map);
             this.loadData();
         }
     }
 );