Files

90 lines
3.0 KiB
JavaScript

const CACHE_NAME = 'clinicpro-admin-v1';
const BUILD_CACHE = 'clinicpro-build-v1';
const SHELL_URLS = [
'/admin',
'/manifest.json',
'/icons/icon-192.png',
'/icons/icon-512.png',
];
// ── Install: cache the app shell ──────────────────────────────────────────────
self.addEventListener('install', (event) => {
event.waitUntil(
caches.open(CACHE_NAME).then((cache) => cache.addAll(SHELL_URLS))
);
self.skipWaiting();
});
// ── Activate: clean up old caches ─────────────────────────────────────────────
self.addEventListener('activate', (event) => {
event.waitUntil(
caches.keys().then((keys) =>
Promise.all(
keys
.filter((k) => k !== CACHE_NAME && k !== BUILD_CACHE)
.map((k) => caches.delete(k))
)
)
);
self.clients.claim();
});
// ── Fetch ─────────────────────────────────────────────────────────────────────
self.addEventListener('fetch', (event) => {
const { request } = event;
const url = new URL(request.url);
// Only handle same-origin requests
if (url.origin !== self.location.origin) return;
// API calls → Network only, never cache
if (url.pathname.startsWith('/api/')) {
return;
}
// Build assets (/build/) → Cache First
if (url.pathname.startsWith('/build/')) {
event.respondWith(
caches.open(BUILD_CACHE).then(async (cache) => {
const cached = await cache.match(request);
if (cached) return cached;
const response = await fetch(request);
if (response.ok) cache.put(request, response.clone());
return response;
})
);
return;
}
// Navigation to /admin/* → Network First, fallback to cached shell
if (request.mode === 'navigate' && url.pathname.startsWith('/admin')) {
event.respondWith(
fetch(request)
.then((response) => {
const clone = response.clone();
caches.open(CACHE_NAME).then((cache) => cache.put(request, clone));
return response;
})
// Offline: fall back to the cached shell. If it was never cached, return a
// real offline Response — respondWith(undefined) throws "Failed to convert
// value to 'Response'" and surfaces as a network error in the console.
.catch(async () =>
(await caches.match('/admin')) ||
new Response('آفلاین هستید', {
status: 503,
headers: { 'Content-Type': 'text/plain; charset=utf-8' },
})
)
);
return;
}
// Everything else → Network First with cache fallback
event.respondWith(
fetch(request).catch(async () =>
(await caches.match(request)) || Response.error()
)
);
});