From c9bea3019b0d4fa52adfa28fc81b8713f56360f5 Mon Sep 17 00:00:00 2001
From: yiminghe <yiminghe@gmail.com>
Date: Mon, 26 Oct 2015 20:03:37 +0800
Subject: [PATCH] guard window

---
 index.js | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/index.js b/index.js
index ae49da7b47..8ed3d93c3b 100644
--- a/index.js
+++ b/index.js
@@ -2,15 +2,18 @@ require('./style/index.less');
 
 // matchMedia polyfill for
 // https://github.com/WickyNilliams/enquire.js/issues/82
-window.matchMedia = window.matchMedia || function () {
-  return {
-    matches: false,
-    addListener: function () {
-    },
-    removeListener: function () {
-    }
+if (typeof window !== 'undefined') {
+  const matchMediaPolyfill = function matchMediaPolyfill() {
+    return {
+      matches: false,
+      addListener: function () {
+      },
+      removeListener: function () {
+      }
+    };
   };
-};
+  window.matchMedia = window.matchMedia || matchMediaPolyfill;
+}
 
 const antd = {
   Affix: require('./components/affix'),