Add version property to ReactDOM (facebook#15780)

ealush · web-flow · commit 9944bf27fb75 · 2020-02-03T11:19:04.000-08:00
diff --git a/packages/react-dom/src/client/ReactDOM.js b/packages/react-dom/src/client/ReactDOM.js
@@ -160,6 +160,8 @@ const ReactDOM: Object = {
       IsThisRendererActing,
     ],
   },
+
+  version: ReactVersion,
 };
 
 if (exposeConcurrentModeAPIs) {
