Method syncLru

packages/service-worker/worker/src/data.ts:281–297

* Sync the LRU chain to non-volatile storage.

()

   * Sync the LRU chain to non-volatile storage.
   */
  async syncLru(): Promise<void> {
    if (this._lru === null) {
      return;
    }
    const table = await this.lruTable;
    try {
      return table.write('lru', this._lru!.state);
    } catch (err) {
      // Writing lru cache table failed. This could be a result of a full storage.
      // Continue serving clients as usual.
      this.debugHandler.log(
        err as Error,
        `DataGroup(${this.config.name}@${this.config.version}).syncLru()`,
      );
      await this.detectStorageFull();
    }
  }

  /**
   * Process a fetch event and return a `Response` if the resource is covered by this group,