import React, { PropTypes, Component } from 'react'; import { Alert } from 'react-bootstrap'; const Flash = () => { let type = this.props.message.type; type = type === "error" ? "danger" : type; // if type is "error", use "danger" instead return ( {this.props.message.content} ) } Flash.propTypes = { message: React.PropTypes.object.isRequired } export default Flash;