Created
October 3, 2025 06:37
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| const CACHE_NAME = 'my-cache-v1'; | |
| // هنگام نصب Service Worker، میتونیم فایلهای اولیه رو کش کنیم | |
| self.addEventListener('install', (event) => { | |
| console.log('[Service Worker] Installing...'); | |
| event.waitUntil( | |
| caches.open(CACHE_NAME).then((cache) => { | |
| console.log('[Service Worker] Pre-caching some assets'); | |
| return cache.addAll([ | |
| '/', // index.html | |
| '/style.css', | |
| '/script.js' | |
| ]); | |
| }) | |
| ); | |
| }); | |
| // فعال شدن Service Worker | |
| self.addEventListener('activate', (event) => { | |
| console.log('[Service Worker] Activated'); | |
| return self.clients.claim(); // کنترل صفحات موجود | |
| }); | |
| // Intercept همه درخواستهای fetch | |
| self.addEventListener('fetch', (event) => { | |
| console.log('[Service Worker] Fetch intercepted:', event.request.url); | |
| // مثال: تغییر درخواست یا اضافه کردن header | |
| const modifiedRequest = new Request(event.request, { | |
| headers: { ...event.request.headers, 'X-Custom-Header': 'MyValue' } | |
| }); | |
| // تلاش برای پاسخ از کش اول | |
| event.respondWith( | |
| caches.match(event.request).then((cachedResponse) => { | |
| if (cachedResponse) { | |
| console.log('[Service Worker] Returning cached response for', event.request.url); | |
| return cachedResponse; | |
| } | |
| // اگر در کش نبود، fetch واقعی انجام بده | |
| return fetch(modifiedRequest).then((networkResponse) => { | |
| // ذخیره پاسخ در کش | |
| return caches.open(CACHE_NAME).then((cache) => { | |
| cache.put(event.request, networkResponse.clone()); | |
| return networkResponse; | |
| }); | |
| }).catch(() => { | |
| // fallback اگر اینترنت نبود | |
| return new Response('Offline or network error', { status: 503 }); | |
| }); | |
| }) | |
| ); | |
| }); |
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