From afc1c4ec844bd38257f1c16f971967691899354f Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Wed, 21 May 2014 03:00:15 -0400
Subject: [PATCH] refactor(util) getExtension

---
 lib/util.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/util.js b/lib/util.js
index 5e6dc534..01e3146e 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -870,12 +870,15 @@
          * @return Ext
          */
         this.getExtension               = function(name) {
-            var ret, dot,
-                isStr = Util.isString(name);
+            var ret     = '',
+                dot,
+                isStr   = Util.isString(name);
             
             if (isStr) {
                 dot = name.lastIndexOf('.');
-                ret = name.substr(dot);
+                
+                if (~dot)
+                    ret = name.substr(dot);
             }
             
             return ret;