React Antd Formulario Desactivar el botón Enviar

<Form.Item shouldUpdate className="submit">
  {() => (
    <Button
      type="primary"
      htmlType="submit"
      disabled={
        !form.isFieldsTouched(true) ||
        form.getFieldsError().filter(({ errors }) => errors.length)
          .length > 0
      }
    >
      Log in
    </Button>
  )}
</Form.Item>
Aditya