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44 lines
1.4 KiB
44 lines
1.4 KiB
/* |
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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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