mirror of
https://github.com/idanoo/GoScrobble.git
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52 lines
2.2 KiB
JavaScript
52 lines
2.2 KiB
JavaScript
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/*
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Copyright 2018 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 { dontWaitFor } from 'workbox-core/_private/dontWaitFor.js';
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import { BroadcastCacheUpdate } from './BroadcastCacheUpdate.js';
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import './_version.js';
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/**
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* This plugin will automatically broadcast a message whenever a cached response
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* is updated.
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*
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* @memberof module:workbox-broadcast-update
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*/
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class BroadcastUpdatePlugin {
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/**
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* Construct a BroadcastCacheUpdate instance with the passed options and
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* calls its [`notifyIfUpdated()`]{@link module:workbox-broadcast-update.BroadcastCacheUpdate~notifyIfUpdated}
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* method whenever the plugin's `cacheDidUpdate` callback is invoked.
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*
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* @param {Object} options
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* @param {Array<string>} [options.headersToCheck=['content-length', 'etag', 'last-modified']]
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* A list of headers that will be used to determine whether the responses
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* differ.
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* @param {string} [options.generatePayload] A function whose return value
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* will be used as the `payload` field in any cache update messages sent
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* to the window clients.
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*/
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constructor(options) {
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/**
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* A "lifecycle" callback that will be triggered automatically by the
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* `workbox-sw` and `workbox-runtime-caching` handlers when an entry is
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* added to a cache.
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*
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* @private
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* @param {Object} options The input object to this function.
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* @param {string} options.cacheName Name of the cache being updated.
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* @param {Response} [options.oldResponse] The previous cached value, if any.
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* @param {Response} options.newResponse The new value in the cache.
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* @param {Request} options.request The request that triggered the update.
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* @param {Request} [options.event] The event that triggered the update.
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*/
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this.cacheDidUpdate = async (options) => {
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dontWaitFor(this._broadcastUpdate.notifyIfUpdated(options));
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};
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this._broadcastUpdate = new BroadcastCacheUpdate(options);
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}
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}
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export { BroadcastUpdatePlugin };
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