import React from 'react'; import PropTypes from 'prop-types'; class TutorialPoint extends React.Component { static contextTypes = { setTutorialNode: PropTypes.func }; ref = el => { if (this.context.setTutorialNode) { this.context.setTutorialNode(this.props.name, el, this.props.expand); } }; render() { return <div ref={this.ref} />; } } export default TutorialPoint;