Initial commit: Premier Gunner tracker + StartOS 0.4.0 s9pk package

public/sw.js

@@ -0,0 +1,41 @@
+const CACHE = 'premier-gunner-v1';
+const SHELL = [
+  '/', '/index.html', '/login.html',
+  '/css/styles.css',
+  '/js/app.js', '/js/api.js', '/js/dashboard.js',
+  '/vendor/chart.umd.min.js',
+  '/manifest.webmanifest',
+  '/icons/logo.svg', '/icons/favicon.svg',
+  '/icons/icon-192.png', '/icons/icon-512.png',
+];
+
+self.addEventListener('install', (e) => {
+  e.waitUntil(caches.open(CACHE).then((c) => c.addAll(SHELL)).then(() => self.skipWaiting()));
+});
+
+self.addEventListener('activate', (e) => {
+  e.waitUntil(
+    caches.keys().then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))
+      .then(() => self.clients.claim())
+  );
+});
+
+self.addEventListener('fetch', (e) => {
+  const url = new URL(e.request.url);
+  if (e.request.method !== 'GET') return;
+  // Never cache the API — always go to network so data stays fresh and auth works.
+  if (url.pathname.startsWith('/api/')) return;
+
+  e.respondWith(
+    caches.match(e.request).then((cached) => {
+      const network = fetch(e.request).then((res) => {
+        if (res.ok && url.origin === location.origin) {
+          const copy = res.clone();
+          caches.open(CACHE).then((c) => c.put(e.request, copy));
+        }
+        return res;
+      }).catch(() => cached);
+      return cached || network;
+    })
+  );
+});