Files
notify/frontend/public/sw.js
2026-02-27 12:14:47 +08:00

91 lines
2.2 KiB
JavaScript

const CACHE_NAME = "notify-v1";
const PRECACHE_URLS = ["/"];
self.addEventListener("install", (event) => {
event.waitUntil(
caches
.open(CACHE_NAME)
.then((cache) => cache.addAll(PRECACHE_URLS))
.then(() => self.skipWaiting())
);
});
self.addEventListener("activate", (event) => {
event.waitUntil(
caches
.keys()
.then((names) =>
Promise.all(
names
.filter((name) => name !== CACHE_NAME)
.map((name) => caches.delete(name))
)
)
.then(() => self.clients.claim())
);
});
self.addEventListener("fetch", (event) => {
const { request } = event;
// Skip cross-origin and non-GET requests
if (request.method !== "GET" || !request.url.startsWith(self.location.origin)) {
return;
}
const url = new URL(request.url);
// Skip API calls
if (url.pathname.startsWith("/api/")) {
return;
}
// Next.js static chunks — stale-while-revalidate
if (url.pathname.startsWith("/_next/")) {
event.respondWith(
caches.open(CACHE_NAME).then((cache) =>
cache.match(request).then((cached) => {
const fetched = fetch(request).then((response) => {
if (response.ok) {
cache.put(request, response.clone());
}
return response;
});
return cached || fetched;
})
)
);
return;
}
// Navigation requests — network-first with cache fallback
if (request.mode === "navigate") {
event.respondWith(
fetch(request)
.then((response) => {
const clone = response.clone();
caches.open(CACHE_NAME).then((cache) => cache.put(request, clone));
return response;
})
.catch(() => caches.match(request))
);
return;
}
// Other static assets — cache-first
event.respondWith(
caches.open(CACHE_NAME).then((cache) =>
cache.match(request).then((cached) => {
if (cached) return cached;
return fetch(request).then((response) => {
if (response.ok) {
cache.put(request, response.clone());
}
return response;
});
})
)
);
});