From f93f59e2e5542a8610b59f49a5d9f90de8839b75 Mon Sep 17 00:00:00 2001
From: Daniel Huigens <d.huigens@protonmail.com>
Date: Fri, 11 Feb 2022 13:33:43 +0100
Subject: [PATCH] Check existence of `navigator` before using it (#1475)

---
 src/util.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util.js b/src/util.js
index c62c0914..15b903bb 100644
--- a/src/util.js
+++ b/src/util.js
@@ -430,7 +430,7 @@ const util = {
       return os.cpus().length;
     }
 
-    return navigator.hardwareConcurrency || 1;
+    return (typeof navigator !== 'undefined' && navigator.hardwareConcurrency) || 1;
   },
 
   isEmailAddress: function(data) {