From 58c3bbc080ef5f56bedc59959ea2a7f620f6ad79 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9rgio=20Saquetim?=
 <1108771+megothss@users.noreply.github.com>
Date: Fri, 2 Jun 2023 19:06:13 -0300
Subject: [PATCH] FIX: Prevent undefined on isSafari capabilities test (#21914)

Added a null coalesce operator on the field `isSafari` on the capabilities service to prevent an error in case `pushNotifications` is `undefined`
---
 app/assets/javascripts/discourse/app/services/capabilities.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/app/services/capabilities.js b/app/assets/javascripts/discourse/app/services/capabilities.js
index 0fa772318b5..aca1f7c1cd7 100644
--- a/app/assets/javascripts/discourse/app/services/capabilities.js
+++ b/app/assets/javascripts/discourse/app/services/capabilities.js
@@ -29,7 +29,7 @@ export default class Capabilities extends Service {
     this.isChrome = !!window.chrome && !this.isOpera;
     this.isSafari =
       /Constructor/.test(window.HTMLElement) ||
-      window.safari?.pushNotification.toString() ===
+      window.safari?.pushNotification?.toString() ===
         "[object SafariRemoteNotification]";
 
     this.hasContactPicker =