80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
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// Service worker for the /m boss-dashboard PWA. Precaches the
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// mobile shell, network-first for navigations, never caches
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// boss-dashboard API responses (those are real-time glance data).
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const CACHE_NAME = "wfdash-mobile-v1";
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const OFFLINE_URL = "/offline";
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const PRECACHE_ASSETS = [
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"/m",
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"/manifest-mobile.json",
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"/offline",
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"/android-chrome-192x192.png",
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"/android-chrome-512x512.png",
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"/apple-touch-icon.png",
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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_NAME).then((cache) => cache.addAll(PRECACHE_ASSETS))
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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) =>
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Promise.all(
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keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k))
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)
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)
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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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const { request } = event;
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if (request.method !== "GET") return;
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const url = new URL(request.url);
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// Never cache API traffic — boss-dashboard is real-time glance data
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// and serving a stale /api/v1/boss-dashboard or rep-activity would
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// actively mislead the boss.
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if (url.pathname.startsWith("/api/")) return;
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// Navigation requests: network-first, fall back to the cached /m
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// shell, then the generic /offline page.
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if (request.mode === "navigate") {
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event.respondWith(
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fetch(request)
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.then((response) => {
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const clone = response.clone();
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caches.open(CACHE_NAME).then((cache) => cache.put(request, clone));
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return response;
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})
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.catch(async () => {
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const cached = await caches.match(request);
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if (cached) return cached;
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const mShell = await caches.match("/m");
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if (mShell) return mShell;
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return caches.match(OFFLINE_URL);
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})
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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(request).then((cached) => {
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const networkFetch = fetch(request)
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.then((response) => {
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const clone = response.clone();
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caches.open(CACHE_NAME).then((cache) => cache.put(request, clone));
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return response;
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})
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.catch(() => cached);
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return cached || networkFetch;
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})
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);
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});
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