install react proptypes code example

Example 1: install proptypes react

npm install --save prop-types

Example 2: use propTypes in react function

import React from 'react';
import { PropTypes } from 'prop-types';

const student = (props) => {
  return (
    <div>
      <p>Student Name: {props.name}</p>
      <p>Age: {props.age}</p>
    </div>
  );
};

student.propTypes = {
  name: PropTypes.string,
  age: PropTypes.number
};

export default student;

Example 3: proptypes objectof

Component.propTypes = {

  booleanObjectProp: PropTypes.objectOf(
    PropTypes.bool
  ),
  
  multipleObjectProp: PropTypes.objectOf(
    PropTypes.oneOfType([
      PropType.func,
      PropType.number,
      PropType.string,
      PropType.instanceOf(Person)
    ])
  )
  
}

Example 4: proptypes.objectof

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

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