react modules

import React, { Component } from 'react';import Button from './Button'; // Import a component from another fileclass DangerButton extends Component {  render() {    return <Button color="red" />;  }}export default DangerButton;Copy

import React, { Component } from 'react';class Button extends Component {  render() {    // ...  }}export default Button; // Don’t forget to use export default!Copy