48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
const CACHE = 'bonpoint-v1';
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const PRECACHE = [
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'/',
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'/css/style.css',
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'/manifest.json',
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'/icons/icon-192.png',
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'/icons/icon-512.png',
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'/icons/icon.svg',
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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).then((cache) => cache.addAll(PRECACHE)).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()
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.then((keys) => Promise.all(
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keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)),
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))
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.then(() => self.clients.claim()),
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);
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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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if (request.method !== 'GET') return;
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if (url.pathname.startsWith('/api/')) return;
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event.respondWith(
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caches.match(request).then((cached) => {
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const fetchPromise = fetch(request).then((response) => {
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if (response.ok && url.origin === self.location.origin) {
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const clone = response.clone();
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caches.open(CACHE).then((cache) => cache.put(request, clone));
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}
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return response;
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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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