Add Service Worker Test

index.html

@@ -206,6 +206,12 @@
 
   <script src="bin/bundle.min.js"></script>
 
+  <script>
+    if ('serviceWorker' in navigator) {
+      window.addEventListener('load', () => navigator.serviceWorker.register('src/sw.js'));
+    }
+  </script>
+
 </body>
 
 </html>

src/sw.js

@@ -0,0 +1,33 @@
+const assets = [
+  '/',
+  '/index.html',
+  '/bin/bundle.min.js',
+  '/src/style.css',
+  '/ext/alata-latin-400.woff2',
+  '/ext/alata-latin-400.woff',
+  '/ext/fa.min.js',
+  '/ext/notyf.min.js',
+  '/jj2008-06-14.mk4_archive.torrent'
+];
+
+self.addEventListener('install', function(event) {
+  event.waitUntil(
+    caches.open('assets')
+      .then(function(cache) {
+        return cache.addAll(assets);
+      })
+  );
+});
+
+self.addEventListener('fetch', function(event) {
+  event.respondWith(
+    caches.match(event.request)
+      .then(function(response) {
+        if (response) {
+          return response;
+        }
+        return fetch(event.request);
+      }
+    )
+  );
+});