57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
const CACHE_NAME = 'erdbeerkasse-v1';
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const ASSETS_TO_CACHE = [
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'/',
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'/manifest.json',
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'/static/icon-192x192.png',
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'/static/icon-512x512.png',
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'https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css'
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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)
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.then((cache) => cache.addAll(ASSETS_TO_CACHE))
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.then(() => self.skipWaiting())
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);
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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((cacheNames) => {
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return Promise.all(
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cacheNames.map((cacheName) => {
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if (cacheName !== CACHE_NAME) {
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return caches.delete(cacheName);
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}
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})
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);
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})
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);
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self.clients.claim();
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});
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// Network-first strategy for dynamic instances, fallback to cache
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self.addEventListener('fetch', (event) => {
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if (event.request.method !== 'GET') {
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return;
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}
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event.respondWith(
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fetch(event.request)
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.then((response) => {
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// Clone the response before caching if it's a valid response
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if (!response || response.status !== 200 || response.type !== 'basic') {
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return response;
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}
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const responseToCache = response.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(event.request, responseToCache);
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});
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return response;
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})
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.catch(() => caches.match(event.request))
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);
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});
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