content: import React from 'react';
  import PropTypes from 'prop-types';
  import classnames from 'classnames';
  
  export default class PureComponent extends React.PureComponent {
    classNames(...args) {
      return classnames(args);
    }
  
    className(...args) {
      const { className } = this.props;
      return this.classNames.apply(this, args.concat([className]));
    }
  
    style(args) {
      const { style } = this.props;
      return Object.assign({}, args, style)
    }
  }
  
  PureComponent.propTypes = {
    className: PropTypes.string,
    style: PropTypes.object
  };
  