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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 { registerRoute } from 'workbox-routing/registerRoute.js';
- import { StaleWhileRevalidate } from 'workbox-strategies/StaleWhileRevalidate.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 [Google fonts]{@link https://developers.google.com/web/tools/workbox/guides/common-recipes#google_fonts} caching recipe
- *
- * @memberof workbox-recipes
- *
- * @param {Object} [options]
- * @param {string} [options.cachePrefix] Cache prefix for caching stylesheets and webfonts. Defaults to google-fonts
- * @param {number} [options.maxAgeSeconds] Maximum age, in seconds, that font entries will be cached for. Defaults to 1 year
- * @param {number} [options.maxEntries] Maximum number of fonts that will be cached. Defaults to 30
- */
- function googleFontsCache(options = {}) {
- const sheetCacheName = `${options.cachePrefix || 'google-fonts'}-stylesheets`;
- const fontCacheName = `${options.cachePrefix || 'google-fonts'}-webfonts`;
- const maxAgeSeconds = options.maxAgeSeconds || 60 * 60 * 24 * 365;
- const maxEntries = options.maxEntries || 30;
- // Cache the Google Fonts stylesheets with a stale-while-revalidate strategy.
- registerRoute(({ url }) => url.origin === 'https://fonts.googleapis.com', new StaleWhileRevalidate({
- cacheName: sheetCacheName,
- }));
- // Cache the underlying font files with a cache-first strategy for 1 year.
- registerRoute(({ url }) => url.origin === 'https://fonts.gstatic.com', new CacheFirst({
- cacheName: fontCacheName,
- plugins: [
- new CacheableResponsePlugin({
- statuses: [0, 200],
- }),
- new ExpirationPlugin({
- maxAgeSeconds,
- maxEntries,
- }),
- ],
- }));
- }
- export { googleFontsCache };
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