Method getCacheKeyForURL

dev-dist/workbox-ca84f546.js:4045–4048

* Returns the cache key used for storing a given URL. If that URL is * unversioned, like `/index.html', then the cache key will be the original * URL with a search parameter appended to it. * * @param {string} url A URL whose cache key you want to look up. * @retur

(url)

       * for the original URL, or undefined if that URL isn't precached.
       */
      getCacheKeyForURL(url) {
        const urlObject = new URL(url, location.href);
        return this._urlsToCacheKeys.get(urlObject.href);
      }
      /**
       * @param {string} url A cache key whose SRI you want to look up.
       * @return {string} The subresource integrity associated with the cache key,