initial commit

service-worker.js

@@ -0,0 +1,91 @@
+const CACHE_NAME = 'dgray-v19';
+const STATIC_ASSETS = [
+    '/',
+    '/index.html',
+    '/css/fonts.css',
+    '/css/variables.css',
+    '/css/base.css',
+    '/css/components.css',
+    '/js/app.js',
+    '/js/router.js',
+    '/js/i18n.js',
+    '/js/services/api.js',
+    '/locales/de.json',
+    '/locales/en.json',
+    '/locales/fr.json',
+    '/manifest.json',
+    '/assets/fonts/Inter-Regular.woff2',
+    '/assets/fonts/Inter-Medium.woff2',
+    '/assets/fonts/Inter-SemiBold.woff2',
+    '/assets/fonts/Inter-Bold.woff2',
+    '/assets/fonts/SpaceGrotesk-Medium.woff2',
+    '/assets/fonts/SpaceGrotesk-Bold.woff2'
+];
+
+self.addEventListener('install', (event) => {
+    event.waitUntil(
+        caches.open(CACHE_NAME)
+            .then((cache) => cache.addAll(STATIC_ASSETS))
+            .then(() => self.skipWaiting())
+    );
+});
+
+self.addEventListener('activate', (event) => {
+    event.waitUntil(
+        caches.keys()
+            .then((cacheNames) => {
+                return Promise.all(
+                    cacheNames
+                        .filter((name) => name !== CACHE_NAME)
+                        .map((name) => caches.delete(name))
+                );
+            })
+            .then(() => self.clients.claim())
+    );
+});
+
+self.addEventListener('fetch', (event) => {
+    const { request } = event;
+    
+    if (request.method !== 'GET') return;
+    
+    if (request.url.includes('/api/')) {
+        event.respondWith(networkFirst(request));
+    } else {
+        event.respondWith(cacheFirst(request));
+    }
+});
+
+async function cacheFirst(request) {
+    const cached = await caches.match(request);
+    if (cached) return cached;
+    
+    try {
+        const response = await fetch(request);
+        if (response.ok) {
+            const cache = await caches.open(CACHE_NAME);
+            cache.put(request, response.clone());
+        }
+        return response;
+    } catch {
+        return new Response('Offline', { status: 503 });
+    }
+}
+
+async function networkFirst(request) {
+    try {
+        const response = await fetch(request);
+        if (response.ok) {
+            const cache = await caches.open(CACHE_NAME);
+            cache.put(request, response.clone());
+        }
+        return response;
+    } catch {
+        const cached = await caches.match(request);
+        if (cached) return cached;
+        return new Response(JSON.stringify({ error: 'Offline' }), {
+            status: 503,
+            headers: { 'Content-Type': 'application/json' }
+        });
+    }
+}