masto-fe/app/javascript/mastodon/service_worker/entry.js

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import { ExpirationPlugin } from 'workbox-expiration';
import { precacheAndRoute } from 'workbox-precaching';
import { registerRoute } from 'workbox-routing';
import { CacheFirst } from 'workbox-strategies';
import { handleNotificationClick, handlePush } from './web_push_notifications';
const CACHE_NAME_PREFIX = 'mastodon-';
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function openWebCache() {
return caches.open(`${CACHE_NAME_PREFIX}web`);
}
function fetchRoot() {
return fetch('/', { credentials: 'include', redirect: 'manual' });
}
precacheAndRoute(self.__WB_MANIFEST);
registerRoute(
/locale_.*\.js$/,
new CacheFirst({
cacheName: `${CACHE_NAME_PREFIX}locales`,
plugins: [
new ExpirationPlugin({
maxAgeSeconds: 30 * 24 * 60 * 60, // 1 month
maxEntries: 5,
}),
],
}),
);
registerRoute(
({ request }) => request.destination === 'font',
new CacheFirst({
cacheName: `${CACHE_NAME_PREFIX}fonts`,
plugins: [
new ExpirationPlugin({
maxAgeSeconds: 30 * 24 * 60 * 60, // 1 month
maxEntries: 5,
}),
],
}),
);
registerRoute(
({ request }) => ['audio', 'image', 'track', 'video'].includes(request.destination),
new CacheFirst({
cacheName: `m${CACHE_NAME_PREFIX}media`,
plugins: [
new ExpirationPlugin({
maxAgeSeconds: 7 * 24 * 60 * 60, // 1 week
maxEntries: 256,
}),
],
}),
);
// Cause a new version of a registered Service Worker to replace an existing one
// that is already installed, and replace the currently active worker on open pages.
self.addEventListener('install', function(event) {
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event.waitUntil(Promise.all([openWebCache(), fetchRoot()]).then(([cache, root]) => cache.put('/', root)));
});
self.addEventListener('activate', function(event) {
event.waitUntil(self.clients.claim());
});
self.addEventListener('fetch', function(event) {
const url = new URL(event.request.url);
if (url.pathname === '/auth/sign_out') {
const asyncResponse = fetch(event.request);
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const asyncCache = openWebCache();
event.respondWith(asyncResponse.then(response => {
if (response.ok || response.type === 'opaqueredirect') {
return Promise.all([
asyncCache.then(cache => cache.delete('/')),
indexedDB.deleteDatabase('mastodon'),
]).then(() => response);
}
return response;
}));
}
});
self.addEventListener('push', handlePush);
self.addEventListener('notificationclick', handleNotificationClick);