React - Use PropTypes to Define the Props You Expect

Tell us what’s happening:
Describe your issue in detail here.
It still say that I need to


component should render. The


component should render.
ReferenceError: require is not defined
Your code so far

import PropTypes from 'prop-types';

const Items = (props) => {
  return <h1>Current Quantity of: {props.quantity}</h1>

Items.defaultProps = {
  quantity: 0

Items.propTypes = {
  quantity: PropTypes.number.isRequired

class ShoppingCart extends React.Component {
  constructor(props) {
  render() {
    return <Items />
ReactDOM.render(<ShoppingCart />, document.getElementById('root'));

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User Agent is: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:108.0) Gecko/20100101 Firefox/108.0

Challenge: React - Use PropTypes to Define the Props You Expect

Link to the challenge:

Remove the import, it is handled for you by the challenge.

I realize the note about the import might be a bit misleading but it is just talking about how you would do it in a real project.

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