From 20d035bdac7da51f856a40d5d2f05e1f66431d30 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Wed, 11 Jan 2017 14:33:51 -0500
Subject: [PATCH] hotfix to utils.isRelativeUrl to handle null or undefined
 first argument

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

diff --git a/public/src/utils.js b/public/src/utils.js
index 42d4b6f3ad..5836e5f04b 100644
--- a/public/src/utils.js
+++ b/public/src/utils.js
@@ -193,7 +193,7 @@
 		},
 
 		isRelativeUrl: function (url) {
-			var firstChar = url.slice(0, 1);
+			var firstChar = String(url || '').charAt(0);
 			return (firstChar === '.' || firstChar === '/');
 		},