GoScrobble/web/node_modules/workbox-precaching/addRoute.js

41 lines
1.6 KiB
JavaScript

/*
Copyright 2019 Google LLC
Use of this source code is governed by an MIT-style
license that can be found in the LICENSE file or at
https://opensource.org/licenses/MIT.
*/
import { addFetchListener } from './utils/addFetchListener.js';
import './_version.js';
let listenerAdded = false;
/**
* Add a `fetch` listener to the service worker that will
* respond to
* [network requests]{@link https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API/Using_Service_Workers#Custom_responses_to_requests}
* with precached assets.
*
* Requests for assets that aren't precached, the `FetchEvent` will not be
* responded to, allowing the event to fall through to other `fetch` event
* listeners.
*
* @param {Object} [options]
* @param {string} [options.directoryIndex=index.html] The `directoryIndex` will
* check cache entries for a URLs ending with '/' to see if there is a hit when
* appending the `directoryIndex` value.
* @param {Array<RegExp>} [options.ignoreURLParametersMatching=[/^utm_/]] An
* array of regex's to remove search params when looking for a cache match.
* @param {boolean} [options.cleanURLs=true] The `cleanURLs` option will
* check the cache for the URL with a `.html` added to the end of the end.
* @param {module:workbox-precaching~urlManipulation} [options.urlManipulation]
* This is a function that should take a URL and return an array of
* alternative URLs that should be checked for precache matches.
*
* @memberof module:workbox-precaching
*/
function addRoute(options) {
if (!listenerAdded) {
addFetchListener(options);
listenerAdded = true;
}
}
export { addRoute };