<?php
/**
 * @copyright  Vertex. All rights reserved.  https://www.vertexinc.com/
 * @author     Mediotype                     https://www.mediotype.com/
 */
?>

<script type="text/javascript">
    /**
     * Hide message block if response is empty
     *
     * @see AdminOrder.loadAreaResponseHandler
     */
    require([
        'Magento_Sales/order/create/scripts'
    ], function () {
        'use strict';
        AdminOrder.prototype.loadAreaResponseHandler = AdminOrder.prototype.loadAreaResponseHandler.wrap(
            function (parentFunction, response) {
                parentFunction(response);
                if (response['message'] === '') {
                    this.hideArea('message');
                } else {
                    this.showArea('message');
                }
            }
        );
    });
</script>
