module.exports should default to an empty object.

sky/engine/bindings/core/v8/ScriptValue.h

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 42 matching lines @@
         ASSERT(isEmpty() || m_scriptState);
     }
 
     ScriptValue(const ScriptValue& value)
         : m_scriptState(value.m_scriptState)
         , m_value(value.m_value)
     {
         ASSERT(isEmpty() || m_scriptState);
     }
 
+    static ScriptValue createEmptyObject(ScriptState* scriptState)
+    {
+        return ScriptValue(scriptState, v8::Object::New(scriptState->isolate()));
+    }
+
     ScriptState* scriptState() const
     {
         return m_scriptState.get();
     }
 
     v8::Isolate* isolate() const
     {
         return m_scriptState ? m_scriptState->isolate() : v8::Isolate::GetCurrent();
     }
 
@@ skipping 69 matching lines @@
     PassRefPtr<JSONValue> toJSONValue(ScriptState*) const;
 
 private:
     RefPtr<ScriptState> m_scriptState;
     RefPtr<SharedPersistent<v8::Value> > m_value;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_BINDINGS_CORE_V8_SCRIPTVALUE_H_