Don't freeze null

Reviewed By: acdlite Differential Revision: D7567032 fbshipit-source-id: ea9c826d572371748c6e9b5defbb92b427d83bee
facebook · Apr 10, 2018 · b4c7136 · b4c7136
1 parent a8e3c7f
commit b4c7136
Showing 1 changed file with 3 additions and 1 deletion.
diff --git 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;