small changes

frontend/app.vue

@@ -43,24 +43,10 @@ onMounted(() => {
 
     if (process.client) {
       if ('serviceWorker' in navigator && window.isSecureContext) {
-        messaging.value = getMessaging()
+        Device.getInfo().then(info => {
-        navigator.serviceWorker.register('/sw.js').catch(e => alert(e));
+          if (info.platform === 'web') registerSW()
-
-        onMessage(messaging.value, (payload) => {
-          console.log('Message received. ', payload);
-
-          const { show } = useWebNotification({
-            title: payload.notification.title,
-            body: payload.notification.body,
-            icon: '/ios/256.png',
-            dir: 'auto',
-            lang: 'en',
-            renotify: true,
-            tag: 'wrbapp',
-          })
-
-          show()
         });
+        
       }
     }
 
@@ -167,6 +153,27 @@ const registerFCM = () => {
   });
 }
 
+const registerSW = () => {
+  messaging.value = getMessaging()
+  navigator.serviceWorker.register('/sw.js').catch(e => alert(e));
+
+  onMessage(messaging.value, (payload) => {
+    console.log('Message received. ', payload);
+
+    const { show } = useWebNotification({
+      title: payload.notification.title,
+      body: payload.notification.body,
+      icon: '/ios/256.png',
+      dir: 'auto',
+      lang: 'en',
+      renotify: true,
+      tag: 'wrbapp',
+    })
+
+    show()
+  });
+}
+
 const logDeviceInfo = async () => {
   const info = await Device.getInfo();