Initial release of Google Opal AI iOS Web Studio

sw.js

@@ -0,0 +1,39 @@
+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'
+];
+
+self.addEventListener('install', (e) => {
+  e.waitUntil(
+    caches.open(CACHE_NAME).then((cache) => {
+      return cache.addAll(ASSETS);
+    })
+  );
+  self.skipWaiting();
+});
+
+self.addEventListener('activate', (e) => {
+  e.waitUntil(
+    caches.keys().then((keys) => {
+      return Promise.all(
+        keys.map((key) => {
+          if (key !== CACHE_NAME) return caches.delete(key);
+        })
+      );
+    })
+  );
+  self.clients.claim();
+});
+
+self.addEventListener('fetch', (e) => {
+  e.respondWith(
+    caches.match(e.request).then((res) => {
+      return res || fetch(e.request);
+    })
+  );
+});