function GeoJSONSource(source, sources) {
    var _this;
    _classCallCheck(this, GeoJSONSource);
    _this = _callSuper$1(this, GeoJSONSource, [source, sources]);
    _this.load_data = null;
    _this.tile_indexes = {}; // geojson-vt tile indices, by layer name
    _this.setTileSize(512); // auto-tile to 512px tiles for fewer internal tiles
    _this.pad_scale = 0; // we don't want padding on auto-tiled sources
    return _this;
  }
GeoJSON standalone (non-tiled) source
 Uses geojson-vt split into tiles client-side