@appearhere/bloom/components/Indicators/Indicator.js

Appear Here's pattern library and styleguide

import PropTypes from 'prop-types';
import React from 'react';
import classnames from 'classnames';

import css from './Indicator.css';

const Indicator = ({ active, className, ...rest }) => {
  const classes = classnames(css.root, active ? css.active : null, className);

  return <div className={classes} {...rest} />;
};

Indicator.propTypes = {
  active: PropTypes.bool,
  className: PropTypes.string,
};

export default Indicator;