From 8b9879e2ee96ea5072385ca9908c7ddada2ce798 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=98=BF=E7=AC=A0?= <fuyao.fy@alibaba-inc.com>
Date: Sun, 26 Apr 2015 21:34:34 +0800
Subject: [PATCH] Fix: fix the 'undefined' string in the css file issue.

There is an incorrect 'undefined' string in the css file after processing by
source-map-loader.
---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index abbdc57..8381550 100644
--- a/index.js
+++ b/index.js
@@ -90,6 +90,6 @@ module.exports = function(input, inputMap) {
 			});
 			return;
 		}
-		callback(null, input.replace(match[0], match[2]), map);
+		callback(null, input.replace(match[0], ''), map);
 	}
 }