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