45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
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/*
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Copyright 2020 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 '../_version.js';
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/**
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* A plugin, designed to be used with PrecacheController, to determine the
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* of assets that were updated (or not updated) during the install event.
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*
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* @private
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*/
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class PrecacheInstallReportPlugin {
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constructor() {
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this.updatedURLs = [];
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this.notUpdatedURLs = [];
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this.handlerWillStart = async ({ request, state, }) => {
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// TODO: `state` should never be undefined...
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if (state) {
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state.originalRequest = request;
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}
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};
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this.cachedResponseWillBeUsed = async ({ event, state, cachedResponse, }) => {
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if (event.type === 'install') {
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if (state &&
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state.originalRequest &&
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state.originalRequest instanceof Request) {
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// TODO: `state` should never be undefined...
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const url = state.originalRequest.url;
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if (cachedResponse) {
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this.notUpdatedURLs.push(url);
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}
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else {
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this.updatedURLs.push(url);
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}
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}
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}
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return cachedResponse;
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};
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}
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}
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export { PrecacheInstallReportPlugin };
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