58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
/* Media Cluster Ops — lightweight PWA service worker */
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const CACHE = "mc-ops-v1";
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const PRECACHE = ["/", "/dashboard", "/manifest.webmanifest", "/icons/icon.svg"];
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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().then((keys) =>
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Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))
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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 req = event.request;
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if (req.method !== "GET") return;
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const url = new URL(req.url);
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if (url.origin !== self.location.origin) return;
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// Never cache API / auth — always network
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if (url.pathname.startsWith("/api/")) return;
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// Navigations: network-first, fallback cache
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if (req.mode === "navigate") {
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event.respondWith(
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fetch(req)
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.then((res) => {
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const copy = res.clone();
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caches.open(CACHE).then((c) => c.put(req, copy));
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return res;
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})
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.catch(() => caches.match(req).then((r) => r || caches.match("/dashboard")))
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);
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return;
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}
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// Static assets: stale-while-revalidate
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event.respondWith(
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caches.match(req).then((cached) => {
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const network = fetch(req)
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.then((res) => {
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if (res.ok) {
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const copy = res.clone();
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caches.open(CACHE).then((c) => c.put(req, copy));
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}
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return res;
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})
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.catch(() => cached);
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return cached || network;
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})
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);
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});
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