From d39abeda93da6bee011ffce7e902a466f67616a7 Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Thu, 26 May 2016 07:38:16 -0700
Subject: [PATCH] fix(browser): remove variable thats undefined in react-native

https://github.com/facebook/react-native/pull/1632
---
 browser.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/browser.js b/browser.js
index 7c76452..a31d6ff 100644
--- a/browser.js
+++ b/browser.js
@@ -39,7 +39,8 @@ exports.colors = [
 
 function useColors() {
   // is webkit? http://stackoverflow.com/a/16459606/376773
-  return ('WebkitAppearance' in document.documentElement.style) ||
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+  return (typeof document !== 'undefined' && 'WebkitAppearance' in document.documentElement.style) ||
     // is firebug? http://stackoverflow.com/a/398120/376773
     (window.console && (console.firebug || (console.exception && console.table))) ||
     // is firefox >= v31?