hobokenchicken
a593f04d7f
- Auto-subscribe to push on login, register, and session restore - Guard against nil db in SendChannelNotification - Log push send count per channel message - Bump SW cache to v5
107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
// Dumpster PWA Service Worker
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// Bump CACHE_VERSION on each deploy to force re-cache of hashed assets.
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const CACHE_VERSION = 'dumpster-v5';
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const OFFLINE_URL = '/offline.html';
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// Assets to pre-cache on install (shell files)
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const PRECACHE_URLS = [
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'/',
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'/offline.html',
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'/favicon.png',
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'/icons/icon-192.png',
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'/icons/icon-512.png',
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];
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// Install: pre-cache shell and skip waiting
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_VERSION).then((cache) => cache.addAll(PRECACHE_URLS)).then(() => self.skipWaiting())
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);
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});
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// Activate: clean old caches and claim clients
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches
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.keys()
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.then((names) => Promise.all(names.filter((n) => n !== CACHE_VERSION).map((n) => caches.delete(n))))
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.then(() => self.clients.claim())
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);
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});
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// Fetch handler
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self.addEventListener('fetch', (event) => {
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if (event.request.method !== 'GET') return;
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const url = new URL(event.request.url);
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// Skip API, WebSocket, and cross-origin requests
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if (url.pathname.startsWith('/api/') || url.pathname.startsWith('/ws')) return;
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if (url.origin !== self.location.origin) return;
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// Navigation requests: network-first, offline fallback
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if (event.request.mode === 'navigate') {
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event.respondWith(
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fetch(event.request)
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.then((response) => {
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const clone = response.clone();
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caches.open(CACHE_VERSION).then((c) => c.put(event.request, clone));
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return response;
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})
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.catch(() =>
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caches.match(event.request).then((cached) => cached || caches.match(OFFLINE_URL))
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)
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);
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return;
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}
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// Static assets (JS, CSS, images, fonts): stale-while-revalidate
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// Serve cached immediately, fetch fresh in background
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event.respondWith(
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caches.match(event.request).then((cached) => {
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const fetchPromise = fetch(event.request)
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.then((response) => {
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if (response.ok) {
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const clone = response.clone();
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caches.open(CACHE_VERSION).then((c) => c.put(event.request, clone));
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}
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return response;
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})
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.catch(() => cached);
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return cached || fetchPromise;
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})
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);
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});
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// Push notifications
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self.addEventListener('push', (event) => {
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if (!event.data) return;
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const data = event.data.json();
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event.waitUntil(
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self.registration.showNotification(data.title || 'Dumpster', {
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body: data.body,
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icon: '/icons/icon-192.png',
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badge: '/icons/icon-192.png',
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vibrate: [100, 50, 100],
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tag: data.tag || 'dumpster-notification',
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renotify: true,
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data: { url: data.url || '/' },
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})
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);
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});
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// Notification click: focus or open window
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self.addEventListener('notificationclick', (event) => {
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event.notification.close();
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event.waitUntil(
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clients.matchAll({ type: 'window', includeUncontrolled: true }).then((list) => {
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for (const client of list) {
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if (client.url.includes(event.notification.data.url) && 'focus' in client) {
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return client.focus();
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}
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}
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return clients.openWindow(event.notification.data.url);
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})
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);
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});
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