Fix open source

Summary: Unfortunately ReactTestUtils requires ReactDOM (for renderIntoDocument), and ReactTestUtils is required by ReactNative. This worked internally because we already shimmed ReactDOM for Relay; now we shim it externally too, at least until we figure out a better solution for this in React.

public

Reviewed By: vjeux

Differential Revision: D2629811

fb-gh-sync-id: 94aac2c4eda39d039fdcedd88295e7afb0f5c5b2

.flowconfig

@@ -18,6 +18,7 @@
 .*/node_modules/fbjs-haste/crypto/crc32.js
 .*/node_modules/fbjs-haste/stubs/ErrorUtils.js
 .*/node_modules/react-haste/React.js
+.*/node_modules/react-haste/renderers/dom/ReactDOM.js
 .*/node_modules/react-haste/renderers/shared/event/eventPlugins/ResponderEventPlugin.js
 
 # Ignore commoner tests

Libraries/ReactNative/ReactDOM.js

@@ -0,0 +1,16 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule ReactDOM
+ */
+
+'use strict';
+
+var ReactUpdates = require('ReactUpdates');
+
+// Temporary shim required for ReactTestUtils and Relay.
+var ReactDOM = {
+  unstable_batchedUpdates: ReactUpdates.batchedUpdates,
+};
+
+module.exports = ReactDOM;

packager/blacklist.js

@@ -15,6 +15,7 @@ var path = require('path');
 var sharedBlacklist = [
   'node_modules/react-haste/renderers/shared/event/eventPlugins/ResponderEventPlugin.js',
   'node_modules/react-haste/React.js',
+  'node_modules/react-haste/renderers/dom/ReactDOM.js',
 
   // For each of these fbjs files (especially the non-forks/stubs), we should
   // consider deleting the conflicting copy and just using the fbjs version.