Wiki update

sw.js

@@ -0,0 +1,69 @@
+const CACHE_NAME = 'bjorn-wiki-v2';
+const STATIC_ASSETS = [
+    './',
+    './index.html',
+    './config.js',
+    './manifest.json',
+    './assets/bjorn.png',
+    'https://cdn.tailwindcss.com',
+    'https://unpkg.com/lucide@latest',
+    'https://cdn.jsdelivr.net/npm/marked/marked.min.js',
+    'https://cdnjs.cloudflare.com/ajax/libs/dompurify/3.0.6/purify.min.js',
+    'https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/atom-one-dark.min.css',
+    'https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js',
+    'https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600&display=swap'
+];
+
+// Install Event - Cache Static Assets
+self.addEventListener('install', (event) => {
+    event.waitUntil(
+        caches.open(CACHE_NAME).then((cache) => {
+            console.log('[SW] Caching static assets');
+            return cache.addAll(STATIC_ASSETS);
+        })
+    );
+    self.skipWaiting();
+});
+
+// Activate Event - Clean up old caches
+self.addEventListener('activate', (event) => {
+    event.waitUntil(
+        caches.keys().then((cacheNames) => {
+            return Promise.all(
+                cacheNames.map((cacheName) => {
+                    if (cacheName !== CACHE_NAME) {
+                        console.log('[SW] Deleting old cache:', cacheName);
+                        return caches.delete(cacheName);
+                    }
+                })
+            );
+        })
+    );
+    self.clients.claim();
+});
+
+// Fetch Event - Stale-While-Revalidate Strategy
+self.addEventListener('fetch', (event) => {
+    // Skip non-GET requests
+    if (event.request.method !== 'GET') return;
+
+    // Strategy: Stale-While-Revalidate for most assets
+    event.respondWith(
+        caches.open(CACHE_NAME).then((cache) => {
+            return cache.match(event.request).then((response) => {
+                const fetchPromise = fetch(event.request).then((networkResponse) => {
+                    // Cache the new response
+                    if (networkResponse.ok) {
+                        cache.put(event.request, networkResponse.clone());
+                    }
+                    return networkResponse;
+                }).catch(() => {
+                    // If network fails, we already returned the cached response if it exists
+                });
+
+                return response || fetchPromise;
+            });
+        })
+    );
+});
+