PWA support.

src/main.js

@@ -6,6 +6,7 @@ import App from '@/App.vue';
 import router from '@/router';
 import store from '@/store/store';
 import VueNotifications from 'vue-notification';
+import './registerServiceWorker';
 
 Vue.use(BVModalPlugin);
 Vue.use(VueNotifications);

src/registerServiceWorker.js

@@ -0,0 +1,32 @@
+/* eslint-disable no-console */
+
+import { register } from 'register-service-worker';
+
+if (process.env.NODE_ENV === 'production') {
+  register(`${process.env.BASE_URL}service-worker.js`, {
+    ready() {
+      console.log(
+        'App is being served from cache by a service worker.\n'
+        + 'For more details, visit https://goo.gl/AFskqB',
+      );
+    },
+    registered() {
+      console.log('Service worker has been registered.');
+    },
+    cached() {
+      console.log('Content has been cached for offline use.');
+    },
+    updatefound() {
+      console.log('New content is downloading.');
+    },
+    updated() {
+      console.log('New content is available; please refresh.');
+    },
+    offline() {
+      console.log('No internet connection found. App is running in offline mode.');
+    },
+    error(error) {
+      console.error('Error during service worker registration:', error);
+    },
+  });
+}