digitransit-ui/app/component/Message.js

import PropTypes from 'prop-types';
import React from 'react';
import { FormattedMessage } from 'react-intl';

const Message = ({ labelId, defaultMessage }) => {
  if (labelId) {
    return <FormattedMessage id={labelId} defaultMessage={defaultMessage} />;
  }
  if (defaultMessage) {
    return <span> {defaultMessage} </span>;
  }
  return null;
};

Message.propTypes = {
  labelId: PropTypes.string,
  defaultMessage: PropTypes.string,
};

export default Message;