From 5813b0c68a96e27b8cb4d00a836547acf7b534fc Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Tue, 21 Nov 2017 16:59:00 +0800
Subject: [PATCH] Fix ssr build, ant-design/ant-design#8249

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

diff --git a/src/utils.js b/src/utils.js
index ea7535c3..feb0ffb5 100755
--- a/src/utils.js
+++ b/src/utils.js
@@ -13,7 +13,10 @@ const trnasitionEndObject = {
   MozTransition: 'transitionend',
   OTransition: 'oTransitionEnd otransitionend',
 };
-const trnasitionStr = Object.keys(trnasitionEndObject).filter(key =>
-  key in (document && document.body.style)
-)[0];
+const trnasitionStr = Object.keys(trnasitionEndObject).filter(key => {
+  if (typeof document === 'undefined') {
+    return false;
+  }
+  return key in (document.body && document.body.style);
+})[0];
 export const transitionEnd = trnasitionEndObject[trnasitionStr];