initial commit

src/service-worker.js

@@ -0,0 +1,44 @@
+
+const CACHE_NAME = 'my-cache-v1';
+
+// List of files to be cached
+const urlsToCache = [
+  '/',
+  './index.jsx',
+];
+
+// Install the service worker
+self.addEventListener('install', (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME).then((cache) => {
+      return cache.addAll(urlsToCache);
+    })
+  );
+});
+
+// Activate the service worker
+self.addEventListener('activate', (event) => {
+  const cacheWhitelist = [CACHE_NAME];
+
+  event.waitUntil(
+    caches.keys().then((cacheNames) => {
+      return Promise.all(
+        cacheNames.map((name) => {
+          if (cacheWhitelist.indexOf(name) === -1) {
+            return caches.delete(name);
+          }
+          return null;
+        })
+      );
+    })
+  );
+});
+
+// Fetch event
+self.addEventListener('fetch', (event) => {
+  event.respondWith(
+    caches.match(event.request).then((response) => {
+      return response || fetch(event.request);
+    })
+  );
+});