From 477271dff425cd76bdf0ab5ad21c81d907d9d8bb Mon Sep 17 00:00:00 2001
From: Luke Childs <lukechilds123@gmail.com>
Date: Mon, 10 Oct 2016 21:11:04 +0100
Subject: [PATCH] Don't use truthy check to see if globals exist

---
 src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index b9b4a76..b1083d6 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,7 +13,7 @@ const protectedproperties = (() => {
 
   return Object
     .getOwnPropertyNames(window)
-    .filter(prop => global[prop]);
+    .filter(prop => typeof global[prop] !== 'undefined');
 })();
 
 module.exports = (...args) => {