React HOC which returns a Stateless Functional component which has contextTypes or defaultProps or propTypes

statelessHOCwithContext.js

/* its not immediately obvious how to do this, which is why I've added it here */
const connectSubmitButton = (WrappedComponent) => {
  const connectContext = (props, context) => (<WrappedComponent {...props} _reduxForm={context._reduxForm} />);
  
  connectContext.contextTypes = {
    _reduxForm: PropTypes.object.isRequired
  };
  return connectContext;
};

// example usage
export default connectSubmitButton(SubmitButton);