mirror of https://github.com/jkjoy/sunpeiwen.git
52 lines
2.3 KiB
JavaScript
52 lines
2.3 KiB
JavaScript
/*
|
|
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 };
|