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- /*
- Copyright 2020 Google LLC
- Use of this source code is governed by an MIT-style
- license that can be found in the LICENSE file or at
- https://opensource.org/licenses/MIT.
- */
- import { warmStrategyCache } from './warmStrategyCache';
- import { registerRoute } from 'workbox-routing/registerRoute.js';
- import { CacheFirst } from 'workbox-strategies/CacheFirst.js';
- import { CacheableResponsePlugin } from 'workbox-cacheable-response/CacheableResponsePlugin.js';
- import { ExpirationPlugin } from 'workbox-expiration/ExpirationPlugin.js';
- import './_version.js';
- /**
- * An implementation of the [image caching recipe]{@link https://developers.google.com/web/tools/workbox/guides/common-recipes#caching_images}
- *
- * @memberof workbox-recipes
- *
- * @param {Object} [options]
- * @param {string} [options.cacheName] Name for cache. Defaults to images
- * @param {RouteMatchCallback} [options.matchCallback] Workbox callback function to call to match to. Defaults to request.destination === 'image';
- * @param {number} [options.maxAgeSeconds] Maximum age, in seconds, that font entries will be cached for. Defaults to 30 days
- * @param {number} [options.maxEntries] Maximum number of images that will be cached. Defaults to 60
- * @param {WorkboxPlugin[]} [options.plugins] Additional plugins to use for this recipe
- * @param {string[]} [options.warmCache] Paths to call to use to warm this cache
- */
- function imageCache(options = {}) {
- const defaultMatchCallback = ({ request }) => request.destination === 'image';
- const cacheName = options.cacheName || 'images';
- const matchCallback = options.matchCallback || defaultMatchCallback;
- const maxAgeSeconds = options.maxAgeSeconds || 30 * 24 * 60 * 60;
- const maxEntries = options.maxEntries || 60;
- const plugins = options.plugins || [];
- plugins.push(new CacheableResponsePlugin({
- statuses: [0, 200],
- }));
- plugins.push(new ExpirationPlugin({
- maxEntries,
- maxAgeSeconds,
- }));
- const strategy = new CacheFirst({
- cacheName,
- plugins,
- });
- registerRoute(matchCallback, strategy);
- // Warms the cache
- if (options.warmCache) {
- warmStrategyCache({ urls: options.warmCache, strategy });
- }
- }
- export { imageCache };
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