From b4c71361d953bb743205b72c0e5f5844983b3ed2 Mon Sep 17 00:00:00 2001
From: Sebastian Markbage <sema@fb.com>
Date: Tue, 10 Apr 2018 09:09:57 -0700
Subject: [PATCH] Don't freeze null

Reviewed By: acdlite

Differential Revision: D7567032

fbshipit-source-id: ea9c826d572371748c6e9b5defbb92b427d83bee
---
 Libraries/StyleSheet/StyleSheet.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Libraries/StyleSheet/StyleSheet.js b/Libraries/StyleSheet/StyleSheet.js
index ff9a88a088..5aab99d157 100644
--- a/Libraries/StyleSheet/StyleSheet.js
+++ b/Libraries/StyleSheet/StyleSheet.js
@@ -366,7 +366,9 @@ module.exports = {
     if (__DEV__) {
       for (const key in obj) {
         StyleSheetValidation.validateStyle(key, obj);
-        Object.freeze(obj[key]);
+        if (obj[key]) {
+          Object.freeze(obj[key]);
+        }
       }
     }
     return obj;