2026-04-08 23:03:40 +00:00

65 lines
1.8 KiB
JavaScript

const CACHE_NAME = "infocus-v1"
const PRECACHE_URLS = ["/feed", "/search", "/diary", "/lists", "/profile"]
self.addEventListener("install", (event) => {
event.waitUntil(
caches.open(CACHE_NAME).then((cache) => cache.addAll(PRECACHE_URLS))
)
self.skipWaiting()
})
self.addEventListener("activate", (event) => {
event.waitUntil(
caches.keys().then((keys) =>
Promise.all(
keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key))
)
)
)
self.clients.claim()
})
self.addEventListener("fetch", (event) => {
// Network-first strategy for API calls
if (event.request.url.includes("/api/")) {
event.respondWith(
fetch(event.request).catch(() => caches.match(event.request))
)
return
}
// Cache-first for static assets (images, fonts, etc.)
if (
event.request.destination === "image" ||
event.request.destination === "font" ||
event.request.destination === "style"
) {
event.respondWith(
caches.match(event.request).then(
(cached) =>
cached ||
fetch(event.request).then((response) => {
if (response.status === 200 && event.request.method === 'GET') {
const clone = response.clone()
caches.open(CACHE_NAME).then((cache) => cache.put(event.request, clone))
}
return response
})
)
)
return
}
// Network-first for HTML pages
event.respondWith(
fetch(event.request)
.then((response) => {
if (response.status === 200 && event.request.method === 'GET') {
const clone = response.clone()
caches.open(CACHE_NAME).then((cache) => cache.put(event.request, clone))
}
return response
})
.catch(() => caches.match(event.request))
)
})