[react-packager][streamline oss] Move open sourced JS source to react-native-github

Libraries/vendor/react/platformImplementations/universal/worker/UniversalWorkerNodeHandle.js

@@ -0,0 +1,19 @@
+/**
+ * @providesModule UniversalWorkerNodeHandle
+ */
+
+var ReactIOSTagHandles = require('ReactIOSTagHandles');
+
+var invariant = require('invariant');
+
+var UniversalWorkerNodeHandle = {
+  getRootNodeID: function(nodeHandle) {
+    invariant(
+      nodeHandle !== undefined && nodeHandle !== null && nodeHandle !== 0,
+      'No node handle defined'
+    );
+    return ReactIOSTagHandles.tagToRootNodeID[nodeHandle];
+  }
+};
+
+module.exports = UniversalWorkerNodeHandle;