54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
const CACHE = "orgweb-v1";
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const PRECACHE = [
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"/",
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"/static/style.css",
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"/static/manifest.webmanifest",
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"/static/icon-192.png",
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"/static/icon-512.png",
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"/static/icon-512-maskable.png",
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];
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self.addEventListener("install", (event) => {
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event.waitUntil(
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caches
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.open(CACHE)
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.then((cache) => cache.addAll(PRECACHE))
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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
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.keys()
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.then((keys) =>
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Promise.all(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 url = new URL(event.request.url);
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if (url.origin !== location.origin) return;
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if (event.request.mode === "navigate") {
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event.respondWith(
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fetch(event.request).catch(() => caches.match("/"))
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);
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return;
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}
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event.respondWith(
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caches.match(event.request).then(
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(cached) =>
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cached ||
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fetch(event.request).then((resp) => {
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const copy = resp.clone();
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caches.open(CACHE).then((cache) => cache.put(event.request, copy));
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return resp;
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})
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)
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);
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});
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