Method fetchWithCache

web/src/artifact_cache.ts:492–506

(url: string, storetype?: string, signal?: AbortSignal)

  }

  async fetchWithCache(url: string, storetype?: string, signal?: AbortSignal): Promise<any> {
    await this.addToCache(url, storetype, signal);
    let result = await this.asyncGetHelper(url);
    if (result === null) {
      // previously null data in cache or somehow failed to add to cache, delete and retry
      await this.deleteInCache(url);
      await this.addToCache(url, storetype);
      result = await this.asyncGetHelper(url);
    }
    if (result != null && typeof result === "object" && "data" in result) {
      // `storetype` not used here because the data stored in indexedDB is already in that type
      return result.data;
    }
    throw Error("ArtifactIndexedDBCache failed to fetch: " + url);
  }

  async addToIndexedDB(url: string, response: any, storetype?: string) {
    await this.initDB();