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File size: 2,271 Bytes
8ef2178 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | // IronGuard Service Worker - Offline First Strategy
const CACHE_NAME = 'ironguard-v1.0.0';
const urlsToCache = [
'/',
'/static/css/style.css',
'/static/js/main.js',
'/manifest.json'
];
// Install event - cache resources
self.addEventListener('install', (event) => {
event.waitUntil(
caches.open(CACHE_NAME)
.then((cache) => {
console.log('📦 Caching app shell');
return cache.addAll(urlsToCache);
})
);
self.skipWaiting();
});
// Fetch event - serve from cache, fallback to network
self.addEventListener('fetch', (event) => {
event.respondWith(
caches.match(event.request)
.then((response) => {
// Cache hit - return response
if (response) {
return response;
}
// Clone request
const fetchRequest = event.request.clone();
return fetch(fetchRequest).then((response) => {
// Check if valid response
if (!response || response.status !== 200 || response.type !== 'basic') {
return response;
}
// Clone response
const responseToCache = response.clone();
caches.open(CACHE_NAME)
.then((cache) => {
cache.put(event.request, responseToCache);
});
return response;
});
})
);
});
// Activate event - clean old caches
self.addEventListener('activate', (event) => {
event.waitUntil(
caches.keys().then((cacheNames) => {
return Promise.all(
cacheNames.map((cacheName) => {
if (cacheName !== CACHE_NAME) {
console.log('🗑️ Deleting old cache:', cacheName);
return caches.delete(cacheName);
}
})
);
})
);
self.clients.claim();
});
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