Function _saveToCache

Web/script.js:164–167

(cacheKey, data)

  },

  async _saveToCache(cacheKey, data) {
    const base64Data = this._arrayBufferToBase64(data);
    await dbStorage.setItem("indices", cacheKey, base64Data);
  },

  async preload(groupIndex, baseDir) {
    const cacheKey = `${baseDir}/${groupIndex}`;