anders
1a77d068a7
- Service worker: caches app shell, network-first for HTML - manifest.json for installable PWA - IndexedDB: cache files locally, queue pending saves - Offline fallback: open cached files when server unreachable - Sync pending changes on reconnect (online event) - Client-side AES-256-GCM encryption lib (PBKDF2 key derivation) - Ready for Private Vault feature
50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
const CACHE_NAME = 'markdownhub-v1'
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const STATIC_ASSETS = [
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'/',
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'/index.html',
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]
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => cache.addAll(STATIC_ASSETS))
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)
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self.skipWaiting()
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})
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((keys) =>
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Promise.all(keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k)))
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)
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)
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self.clients.claim()
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})
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self.addEventListener('fetch', (event) => {
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const { request } = event
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const url = new URL(request.url)
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// Don't cache API calls or WebSocket
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if (url.pathname.startsWith('/api/') || url.pathname.startsWith('/ws/')) {
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return
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}
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event.respondWith(
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caches.match(request).then((cached) => {
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// Network first for HTML, cache first for assets
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if (request.destination === 'document') {
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return fetch(request).then((response) => {
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const clone = response.clone()
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caches.open(CACHE_NAME).then((cache) => cache.put(request, clone))
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return response
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}).catch(() => cached)
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}
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return cached || fetch(request).then((response) => {
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const clone = response.clone()
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caches.open(CACHE_NAME).then((cache) => cache.put(request, clone))
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return response
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})
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})
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)
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})
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