pageCache.js
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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 { NetworkFirst } from 'workbox-strategies/NetworkFirst.js';
import { CacheableResponsePlugin } from 'workbox-cacheable-response/CacheableResponsePlugin.js';
import './_version.js';
/**
* An implementation of a page caching recipe with a network timeout
*
* @memberof workbox-recipes
*
* @param {Object} [options]
* @param {string} [options.cacheName] Name for cache. Defaults to pages
* @param {RouteMatchCallback} [options.matchCallback] Workbox callback function to call to match to. Defaults to request.mode === 'navigate';
* @param {number} [options.networkTimoutSeconds] Maximum amount of time, in seconds, to wait on the network before falling back to cache. Defaults to 3
* @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 pageCache(options = {}) {
const defaultMatchCallback = ({ request }) => request.mode === 'navigate';
const cacheName = options.cacheName || 'pages';
const matchCallback = options.matchCallback || defaultMatchCallback;
const networkTimeoutSeconds = options.networkTimeoutSeconds || 3;
const plugins = options.plugins || [];
plugins.push(new CacheableResponsePlugin({
statuses: [0, 200],
}));
const strategy = new NetworkFirst({
networkTimeoutSeconds,
cacheName,
plugins,
});
// Registers the route
registerRoute(matchCallback, strategy);
// Warms the cache
if (options.warmCache) {
warmStrategyCache({ urls: options.warmCache, strategy });
}
}
export { pageCache };