nakarte

Source code of https://map.sikmir.ru (fork)
git clone git://git.sikmir.ru/nakarte
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index.js (770B)

      1 import L from 'leaflet';
      2 
      3 class RetinaTileLayer extends L.TileLayer {
      4     constructor(urls, options, hiRes = 'auto') {
      5         let url, tileSizeMultiplicator;
      6         const useHiResTiles = hiRes === 'auto' ? L.Browser.retina : hiRes;
      7         const newOptions = L.extend({}, options);
      8         if (useHiResTiles) {
      9             url = urls[1];
     10             tileSizeMultiplicator = 2;
     11         } else {
     12             tileSizeMultiplicator = 1;
     13             url = urls[0];
     14         }
     15         if (options.retinaOptionsOverrides) {
     16             L.extend(newOptions, options.retinaOptionsOverrides[useHiResTiles ? 1 : 0]);
     17         }
     18         super(url, newOptions);
     19         this.urls = urls;
     20         this.tileSizeMultiplicator = tileSizeMultiplicator;
     21     }
     22 }
     23 
     24 export {RetinaTileLayer};