Network-first service worker to clear stale caches

sw.js

@@ -1,19 +1,6 @@
-const CACHE_NAME = 'opal-ai-v2-cache';
-const ASSETS = [
-  './',
-  './index.html',
-  './style.css',
-  './app.js',
-  './manifest.json',
-  'https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js'
-];
+const CACHE_NAME = 'opal-ai-v5-cache';
 
 self.addEventListener('install', (e) => {
-  e.waitUntil(
-    caches.open(CACHE_NAME).then((cache) => {
-      return cache.addAll(ASSETS);
-    })
-  );
   self.skipWaiting();
 });
 
@@ -21,19 +8,14 @@ self.addEventListener('activate', (e) => {
   e.waitUntil(
     caches.keys().then((keys) => {
       return Promise.all(
-        keys.map((key) => {
-          if (key !== CACHE_NAME) return caches.delete(key);
-        })
+        keys.map((key) => caches.delete(key))
       );
-    })
+    }).then(() => self.clients.claim())
   );
-  self.clients.claim();
 });
 
 self.addEventListener('fetch', (e) => {
   e.respondWith(
-    caches.match(e.request).then((res) => {
-      return res || fetch(e.request);
-    })
+    fetch(e.request).catch(() => caches.match(e.request))
   );
 });