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48 lines
1.4 KiB
48 lines
1.4 KiB
import './web_push_notifications';
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function openCache() {
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return caches.open('mastodon-web');
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}
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function fetchRoot() {
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return fetch('/', { credentials: 'include' });
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}
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// Cause a new version of a registered Service Worker to replace an existing one
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// that is already installed, and replace the currently active worker on open pages.
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self.addEventListener('install', function(event) {
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event.waitUntil(Promise.all([openCache(), fetchRoot()]).then(([cache, root]) => cache.put('/', root)));
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});
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self.addEventListener('activate', function(event) {
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event.waitUntil(self.clients.claim());
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});
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self.addEventListener('fetch', function(event) {
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const url = new URL(event.request.url);
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if (url.pathname.startsWith('/web/')) {
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const asyncResponse = fetchRoot();
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const asyncCache = openCache();
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event.respondWith(asyncResponse.then(async response => {
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if (response.ok) {
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const cache = await asyncCache;
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await cache.put('/', response);
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return response.clone();
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}
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throw null;
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}).catch(() => caches.match('/')));
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} else if (url.pathname === '/auth/sign_out') {
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const asyncResponse = fetch(event.request);
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const asyncCache = openCache();
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event.respondWith(asyncResponse.then(async response => {
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if (response.ok || response.type === 'opaqueredirect') {
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const cache = await asyncCache;
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await cache.delete('/');
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}
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return response;
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}));
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}
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});
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