scratch-www/src/views/preview/banner.jsx

const PropTypes = require('prop-types');
const React = require('react');
const classNames = require('classnames');
const FlexRow = require('../../components/flex-row/flex-row.jsx');
const Button = require('../../components/forms/button.jsx');

require('./banner.scss');

const Banner = ({className, message, actionMessage, onAction}) => (
    <div className={classNames('banner-outer', className)}>
        <FlexRow className="inner banner-inner">
            <span className="banner-text">
                {message}
            </span>
            {actionMessage && onAction && (
                <Button
                    className="button banner-button"
                    onClick={onAction}
                >
                    {actionMessage}
                </Button>
            )}
        </FlexRow>
    </div>
);

Banner.propTypes = {
    actionMessage: PropTypes.node,
    className: PropTypes.string,
    message: PropTypes.node.isRequired,
    onAction: PropTypes.func
};

module.exports = Banner;