https://www.alagoasalerta.com.br/sw.js

1const CACHE_NAME = "alagoas-alerta-static-v2";
2const CORE_ASSETS = ["/assets/favicon.png", "/assets/logo-alerta.png", "/manifest.webmanifest"];
3
4self.addEventListener("install", (event) => {
5  event.waitUntil(
6    caches.open(CACHE_NAME).then((cache) => cache.addAll(CORE_ASSETS)),
7  );
8  self.skipWaiting();
9});
10
11self.addEventListener("activate", (event) => {
12  event.waitUntil(
13    caches
14      .keys()
15      .then((keys) =>
16        Promise.all(
17          keys
18            .filter((key) => key !== CACHE_NAME)
19            .map((key) => caches.delete(key)),
20        ),
21      ),
22  );
23  self.clients.claim();
24});
25
26self.addEventListener("fetch", (event) => {
27  if (event.request.method !== "GET") return;
28  const url = new URL(event.request.url);
29  if (url.origin !== self.location.origin) return;
30  if (event.request.mode === "navigate" || event.request.destination === "document") return;
31  if (url.pathname.startsWith("/api/") || url.searchParams.has("_rsc")) return;
32
33  const isPublicAsset = url.pathname.startsWith("/assets/") || url.pathname === "/manifest.webmanifest";
34  // Next.js already fingerprints production assets. Intercepting these files
35  // breaks Turbopack in development because chunk URLs can be reused after a
36  // code change, leaving the browser with incompatible cached JavaScript.
37  if (url.pathname.startsWith("/_next/")) return;
38  if (!isPublicAsset) return;
39
40  event.respondWith(caches.open(CACHE_NAME).then(async (cache) => {
41    const cached = await cache.match(event.request);
42
43    const networkRequest = fetch(event.request).then((response) => {
44      if (response.ok) cache.put(event.request, response.clone());
45      return response;
46    });
47    return cached || networkRequest;
48  }));
49});