42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
const CACHE = "initpage-v4";
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const ASSETS = [
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"./",
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"./index.html",
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"./styles.css",
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"./app.js",
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"./ads.js",
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"./manifest.json",
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"./icon.svg",
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"./robots.txt"
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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(ASSETS)).catch(() => {})
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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) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))
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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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if (event.request.method !== "GET") return;
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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).then((response) => {
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if (response && response.status === 200 && response.type === "basic") {
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const clone = response.clone();
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caches.open(CACHE).then((cache) => cache.put(event.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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