From c7778c550e9e75381f72e5a8872c47e77052f421 Mon Sep 17 00:00:00 2001
From: devel-pa <devel.pa@gmail.com>
Date: Wed, 24 Aug 2016 18:30:09 +0200
Subject: [PATCH] Act safe in case navigator doesn't have a userAgent.

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

diff --git a/src/bowser.js b/src/bowser.js
index 676a64a..a6059c2 100644
--- a/src/bowser.js
+++ b/src/bowser.js
@@ -395,7 +395,7 @@
     return result
   }
 
-  var bowser = detect(typeof navigator !== 'undefined' ? navigator.userAgent : '')
+  var bowser = detect(typeof navigator !== 'undefined' ? navigator.userAgent || '' : '')
 
   bowser.test = function (browserList) {
     for (var i = 0; i < browserList.length; ++i) {