From 9b2d4987155a66d5b938b0bbab10cf2cd6c68182 Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Sun, 30 May 2021 20:26:20 +0300
Subject: [PATCH] Notifications: Vibrate only if supported (#1124)

---
 src/util/notifications.ts | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/util/notifications.ts b/src/util/notifications.ts
index cfc3778fe..c25fc1703 100644
--- a/src/util/notifications.ts
+++ b/src/util/notifications.ts
@@ -277,13 +277,18 @@ export function showNewMessageNotification({
     }
   } else {
     const dispatch = getDispatch();
-    const notification = new Notification(title, {
+    const options: NotificationOptions = {
       body,
       icon: 'icon-192x192.png',
       badge: 'icon-192x192.png',
       tag: message.id.toString(),
-      vibrate: [200, 100, 200],
-    });
+    };
+
+    if ('vibrate' in navigator) {
+      options.vibrate = [200, 100, 200];
+    }
+
+    const notification = new Notification(title, options);
 
     notification.onclick = () => {
       notification.close();