43 lines
977 B
JavaScript
43 lines
977 B
JavaScript
const CACHE_NAME = 'pascar';
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const ASSETS = [
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'./',
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'index.html',
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'manifest.json'
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];
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self.addEventListener('install', (e) => {
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self.skipWaiting();
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e.waitUntil(
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caches.open(CACHE_NAME).then((cache) => {
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console.log('Caching assets');
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return cache.addAll(ASSETS);
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})
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);
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});
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self.addEventListener('activate', (e) => {
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e.waitUntil(
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Promise.all([
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clients.claim(),
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caches.keys().then((keys) => {
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return Promise.all(
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keys.filter(key => key !== CACHE_NAME).map(key => caches.delete(key))
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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.addEventListener('fetch', (e) => {
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e.respondWith(
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caches.match(e.request).then((response) => {
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// Return cached version OR fetch from network
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return response || fetch(e.request);
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}).catch(() => {
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// Fallback for when both cache and network fail
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if (e.request.mode === 'navigate') {
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return caches.match('index.html');
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}
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})
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);
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}); |