Answers for "proptypes element vs elementtype"

proptypes.objectof

Pokemon.propTypes = {
  pokemon: PropTypes.shape({
    name: PropTypes.string,
    id: PropTypes.number,
    base_stamina: PropTypes.number,
    base_defense: PropTypes.number
  })
}

react propthpes or

size: PropTypes.oneOfType([
  PropTypes.string,
  PropTypes.number
]),