zyphlar
32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
// sw.js — minimal offline cache so the PWA launches without a network.
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const CACHE = 'babymobile-v9';
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const ASSETS = [
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'./', './index.html', './styles.css',
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'./app.js', './ble.js', './wav.js',
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'./manifest.webmanifest', './icon.svg',
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];
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self.addEventListener('install', (e) => {
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e.waitUntil(caches.open(CACHE).then((c) => c.addAll(ASSETS)).then(() => self.skipWaiting()));
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});
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self.addEventListener('activate', (e) => {
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e.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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.then(() => self.clients.claim())
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);
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});
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// Cache-first for app shell; network passthrough otherwise.
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self.addEventListener('fetch', (e) => {
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const url = new URL(e.request.url);
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if (e.request.method !== 'GET' || url.origin !== location.origin) return;
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e.respondWith(
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caches.match(e.request).then((hit) => hit || fetch(e.request).then((res) => {
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const copy = res.clone();
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caches.open(CACHE).then((c) => c.put(e.request, copy)).catch(() => {});
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return res;
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}).catch(() => hit))
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);
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});
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