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51 lines
2.2 KiB
51 lines
2.2 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 { warmStrategyCache } from './warmStrategyCache'; |
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import { registerRoute } from 'workbox-routing/registerRoute.js'; |
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import { CacheFirst } from 'workbox-strategies/CacheFirst.js'; |
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import { CacheableResponsePlugin } from 'workbox-cacheable-response/CacheableResponsePlugin.js'; |
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import { ExpirationPlugin } from 'workbox-expiration/ExpirationPlugin.js'; |
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import './_version.js'; |
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/** |
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* An implementation of the [image caching recipe]{@link https://developers.google.com/web/tools/workbox/guides/common-recipes#caching_images} |
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* |
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* @memberof workbox-recipes |
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* |
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* @param {Object} [options] |
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* @param {string} [options.cacheName] Name for cache. Defaults to images |
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* @param {RouteMatchCallback} [options.matchCallback] Workbox callback function to call to match to. Defaults to request.destination === 'image'; |
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* @param {number} [options.maxAgeSeconds] Maximum age, in seconds, that font entries will be cached for. Defaults to 30 days |
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* @param {number} [options.maxEntries] Maximum number of images that will be cached. Defaults to 60 |
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* @param {WorkboxPlugin[]} [options.plugins] Additional plugins to use for this recipe |
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* @param {string[]} [options.warmCache] Paths to call to use to warm this cache |
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*/ |
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function imageCache(options = {}) { |
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const defaultMatchCallback = ({ request }) => request.destination === 'image'; |
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const cacheName = options.cacheName || 'images'; |
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const matchCallback = options.matchCallback || defaultMatchCallback; |
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const maxAgeSeconds = options.maxAgeSeconds || 30 * 24 * 60 * 60; |
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const maxEntries = options.maxEntries || 60; |
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const plugins = options.plugins || []; |
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plugins.push(new CacheableResponsePlugin({ |
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statuses: [0, 200], |
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})); |
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plugins.push(new ExpirationPlugin({ |
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maxEntries, |
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maxAgeSeconds, |
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})); |
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const strategy = new CacheFirst({ |
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cacheName, |
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plugins, |
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}); |
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registerRoute(matchCallback, strategy); |
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// Warms the cache |
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if (options.warmCache) { |
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warmStrategyCache({ urls: options.warmCache, strategy }); |
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} |
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} |
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export { imageCache };
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