memories/src/service-worker.ts

75 lines
2.3 KiB
TypeScript

import { precacheAndRoute, cleanupOutdatedCaches } from 'workbox-precaching';
import { NetworkFirst, CacheFirst } from 'workbox-strategies';
import { registerRoute } from 'workbox-routing';
import { ExpirationPlugin } from 'workbox-expiration';
declare var self: ServiceWorkerGlobalScope;
type PrecacheEntry = Exclude<(typeof self.__WB_MANIFEST)[number], string>;
// Paths are updated in PHP. See OtherController.php
const manifest = self.__WB_MANIFEST as Array<PrecacheEntry>;
// Only include JS files
const filteredManifest = manifest.filter((entry) => /\.js(\?.*)?$/.test(entry.url));
precacheAndRoute(filteredManifest);
cleanupOutdatedCaches();
registerRoute(
/\/apps\/memories\/api\/video\/livephoto\/.*/,
new CacheFirst({
cacheName: 'memories-livephotos',
plugins: [
new ExpirationPlugin({
maxAgeSeconds: 3600 * 24 * 7, // days
maxEntries: 1000, // 1k videos
}),
],
}),
);
// Use CacheFirst for static assets
const cachefirst = [
/\.(?:js|css|woff2?|png|jpg|jpeg|gif|svg|ico)$/i, // Static assets
/\/apps\/theming\/(icon|favicon|manifest)/i, // Theming
/\/avatar/i, // User avatars
];
// Cache static file assets
registerRoute(
({ url }) => url.origin === self.location.origin && cachefirst.some((regex) => regex.test(url.pathname)),
new CacheFirst({
cacheName: 'memories-pages',
plugins: [
new ExpirationPlugin({
maxAgeSeconds: 3600 * 24 * 7, // days
maxEntries: 2000, // assets
}),
],
}),
);
// Important: Using the NetworkOnly strategy and not registering
// a route are NOT equivalent. The NetworkOnly strategy will
// strip certain headers such as HTTP-Range, which is required
// for proper playback of videos.
const netonly = [
/\/(api|ocs)\//i, // API calls
/\/csrftoken/i, // CSRF token (https://github.com/pulsejet/memories/issues/835)
];
// Use NetworkFirst for HTML pages for initial state and CSRF token
registerRoute(
({ url }) => url.origin === self.location.origin && !netonly.some((regex) => regex.test(url.pathname)),
new NetworkFirst({
cacheName: 'memories-pages',
}),
);
self.addEventListener('activate', (event) => {
// Take control of all pages under this SW's scope immediately,
// instead of waiting for reload/navigation.
event.waitUntil(self.clients.claim());
});