import PropTypes from 'prop-types'; import React from 'react'; import classNames from 'classnames'; import styles from './audio-trimmer.css'; const Playhead = props => ( <div className={styles.playheadContainer}> <div className={classNames(styles.playhead)} style={{ transform: `translateX(${100 * props.playbackPosition}%)` }} /> </div> ); Playhead.propTypes = { playbackPosition: PropTypes.number }; export default Playhead;