From 380deaf54ceb218603e4e8fa887872278b5fa3db Mon Sep 17 00:00:00 2001
From: Benjy Cui <benjytrys@gmail.com>
Date: Thu, 10 Mar 2016 09:35:09 +0800
Subject: [PATCH] fix: Row's children could be null

---
 components/layout/row.jsx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/components/layout/row.jsx b/components/layout/row.jsx
index 46386d2132..1c8b86f905 100644
--- a/components/layout/row.jsx
+++ b/components/layout/row.jsx
@@ -29,15 +29,17 @@ const Row = React.createClass({
       marginRight: gutter / -2,
       ...style,
     } : style;
-    const cols = Children.map(children, col =>
-      cloneElement(col, {
+    const cols = Children.map(children, col => {
+      if (col === null) return null;
+
+      return cloneElement(col, {
         style: gutter > 0 ? {
           paddingLeft: gutter / 2,
           paddingRight: gutter / 2,
           ...col.props.style
         } : col.props.style,
-      })
-    );
+      });
+    });
     return <div {...others} className={classes} style={rowStyle}>{cols}</div>;
   },
 });