Method _cacheFeatures

modules/services/VectorTileService.js:502–514

* _cacheFeatures * @param {Object} cache * @param {Array} features

(cache, features)

   * @param  {Array}  features
   */
  _cacheFeatures(cache, features) {
    const boxes = [];
    for (const feature of features) {
      cache.features.set(feature.id, feature);  // cache feature

      const box = feature.extent.bbox();
      box.data = feature;
      cache.boxes.set(feature.id, box);   // cache box
      boxes.push(box);
    }

    cache.rbush.load(boxes);  // bulk load
  }


  /**