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32 lines
1.2 KiB
32 lines
1.2 KiB
/* |
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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 { cacheNames } from 'workbox-core/_private/cacheNames.js'; |
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import { logger } from 'workbox-core/_private/logger.js'; |
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import { deleteOutdatedCaches } from './utils/deleteOutdatedCaches.js'; |
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import './_version.js'; |
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/** |
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* Adds an `activate` event listener which will clean up incompatible |
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* precaches that were created by older versions of Workbox. |
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* |
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* @memberof workbox-precaching |
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*/ |
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function cleanupOutdatedCaches() { |
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// See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705 |
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self.addEventListener('activate', ((event) => { |
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const cacheName = cacheNames.getPrecacheName(); |
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event.waitUntil(deleteOutdatedCaches(cacheName).then((cachesDeleted) => { |
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if (process.env.NODE_ENV !== 'production') { |
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if (cachesDeleted.length > 0) { |
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logger.log(`The following out-of-date precaches were cleaned up ` + |
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`automatically:`, cachesDeleted); |
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} |
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} |
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})); |
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})); |
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} |
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export { cleanupOutdatedCaches };
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