https://cskuanpwa-mcmbbpxz.manus.space/sw.js?v=2-cskuan-identity

1/* Signal Atlas offline shell: static interface caching plus locally persisted story data for graceful return visits. */
2const CACHE_NAME = "cskuan-signal-atlas-v2-cskuan-identity";
3const APP_SHELL = ["/", "/manifest.webmanifest"];
4
5self.addEventListener("install", (event) => {
6  event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)));
7  self.skipWaiting();
8});
9
10self.addEventListener("activate", (event) => {
11  event.waitUntil(caches.keys().then((keys) => Promise.all(keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key)))));
12  self.clients.claim();
13});
14
15self.addEventListener("fetch", (event) => {
16  if (event.request.method !== "GET") return;
17  const requestUrl = new URL(event.request.url);
18  if (requestUrl.origin !== self.location.origin) return;
19  event.respondWith(
20    caches.match(event.request).then((cached) => cached || fetch(event.request).then((response) => {
21      const copy = response.clone();
22      caches.open(CACHE_NAME).then((cache) => cache.put(event.request, copy));
23      return response;
24    }).catch(() => caches.match("/")))
25  );
26});