Temporarily patched Map/Set non-extensible check into RN dev renderer

Reviewed By: jingc Differential Revision: D6461125 fbshipit-source-id: 8b30a22db4e357717f1c4f4e21a85ddef02d97d1
facebook · Dec 5, 2017 · a99f0d6 · a99f0d6
1 parent 71006f7
commit a99f0d6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Libraries/Renderer/ReactNativeRenderer-dev.js b/Libraries/Renderer/ReactNativeRenderer-dev.js
@@ -4903,7 +4903,8 @@ var AsyncUpdates = 1;
   try {
     var nonExtensibleObject = Object.preventExtensions({});
     /* eslint-disable no-new */
-
+    new Map([[nonExtensibleObject, null]]);
+    new Set([nonExtensibleObject]);
     /* eslint-enable no-new */
   } catch (e) {
     // TODO: Consider warning about bad polyfills