Method lru

packages/service-worker/worker/src/data.ts:266–276

* Lazily initialize/load the LRU chain.

()

   * Lazily initialize/load the LRU chain.
   */
  private async lru(): Promise<LruList> {
    if (this._lru === null) {
      const table = await this.lruTable;
      try {
        this._lru = new LruList(await table.read<LruState>('lru'));
      } catch {
        this._lru = new LruList();
      }
    }
    return this._lru;
  }

  /**
   * Sync the LRU chain to non-volatile storage.