async expireEntries()

in workbox-v4.3.1/workbox-expiration.dev.js [267:300]

• 28 lines of code
• 9 McCabe index (conditional complexity)

    async expireEntries() {
      if (this._isRunning) {
        this._rerunRequested = true;
        return;
      }

      this._isRunning = true;
      const minTimestamp = this._maxAgeSeconds ? Date.now() - this._maxAgeSeconds * 1000 : undefined;
      const urlsExpired = await this._timestampModel.expireEntries(minTimestamp, this._maxEntries); // Delete URLs from the cache

      const cache = await caches.open(this._cacheName);

      for (const url of urlsExpired) {
        await cache.delete(url);
      }

      {
        if (urlsExpired.length > 0) {
          logger_mjs.logger.groupCollapsed(`Expired ${urlsExpired.length} ` + `${urlsExpired.length === 1 ? 'entry' : 'entries'} and removed ` + `${urlsExpired.length === 1 ? 'it' : 'them'} from the ` + `'${this._cacheName}' cache.`);
          logger_mjs.logger.log(`Expired the following ${urlsExpired.length === 1 ? 'URL' : 'URLs'}:`);
          urlsExpired.forEach(url => logger_mjs.logger.log(`    ${url}`));
          logger_mjs.logger.groupEnd();
        } else {
          logger_mjs.logger.debug(`Cache expiration ran and found no entries to remove.`);
        }
      }

      this._isRunning = false;

      if (this._rerunRequested) {
        this._rerunRequested = false;
        this.expireEntries();
      }
    }