content: import React from 'react';
  import classSet from 'classnames';
  
  const Grid = React.createClass({
    propTypes: {
      fluid: React.PropTypes.bool,
      componentClass: React.PropTypes.node.isRequired
    },
  
    getDefaultProps() {
      return {
        componentClass: 'div'
      };
    },
  
    render() {
      let ComponentClass = this.props.componentClass;
      let className = this.props.fluid ? 'container-fluid' : 'container';
  
      return (
        <ComponentClass
          {...this.props}
          className={classSet(this.props.className, className)}>
          {this.props.children}
        </ComponentClass>
      );
    }
  });
  
  export default Grid;
  