Woocommerce AJAX product search [excluded catalog hidden products]

functions.php

add_action('wp_footer', 'ajax_product_fetch');
function ajax_product_fetch()
{
    ?>
    <script type="text/javascript">
        function product_fetch() {
            jQuery.ajax({
                url: '<?php echo admin_url('admin-ajax.php'); ?>',
                type: 'post',
                data: {action: 'product_fetch', product_keyword: jQuery('#product_keyword').val()},
                success: function (data) {
                    jQuery('#productfetch').html(data).show();
                    if (data.trim() == '') {
                        jQuery('#productfetch').html('Nothing found...');
                    }
                }
            });

        }
    </script>

    <?php
}

// the ajax function
add_action('wp_ajax_product_fetch', 'product_fetch');
add_action('wp_ajax_nopriv_product_fetch', 'product_fetch');
function product_fetch()
{	
//     $the_queryx = new WP_Query(
//         [
//             'posts_per_page' => -1,
//             's' => esc_attr($_POST['product_keyword']),
//             'post_type' => 'product',
//         ]
//     );
	
	$args = array (
		'post_type' => 'product',
		'posts_per_page' => -1,
		'tax_query' => array(
			array(
				'taxonomy' => 'product_visibility',
				'field'    => 'name',
				'terms'    => 'exclude-from-catalog',
				'operator' => 'NOT IN',
			),
		),
	);
	
	$the_queryx = new WP_Query( $args );
	
	if ($the_queryx->have_posts()) :
        while ($the_queryx->have_posts()): $the_queryx->the_post();
            $myqueryx = esc_attr($_POST['product_keyword']);
            $ax = $myqueryx;
            $searchx = get_the_title();
            $postURL = get_permalink();
            if (stripos("/{$searchx}/", $ax) !== false) { ?>
				<div>
					<?php echo '<a href="'.$postURL.'"><span>'.get_the_title().'</span></a>'; ?>
					<?php echo "</div>"; ?>
                <?php
            }
        endwhile;
        wp_reset_postdata();
    endif;
    die();
}

searchbar.html

<div class='search_news_bar'>
<input type="text" name="product_keyword" id="product_keyword" onkeyup="product_fetch()" placeholder="Search by keyword or title"></input>
<div id="productfetch"></div>
</div>