✨ (notification) notify when a new service worker is available.

src/registerServiceWorker.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-console */
 
 import { register } from 'register-service-worker'
-import { setNotificationInstance } from './utils/notification'
+import { setNotificationInstance, notify } from './utils/notification'
 
 if (process.env.NODE_ENV === 'production') {
   register(`${process.env.BASE_URL}service-worker.js`, {
@@ -20,8 +20,14 @@ if (process.env.NODE_ENV === 'production') {
     updatefound() {
       console.log('New content is downloading.')
     },
-    updated() {
+    updated(sw) {
       console.log('New content is available; please refresh.')
+      setNotificationInstance((title, options?) =>
+        sw.showNotification(title, options)
+      )
+      notify('Une nouvelle version est disponible.', {
+        body: 'Rafraichissez la page pour mettre à jour.'
+      })
     },
     offline() {
       console.log(