Vagonic Sortable compatibility with Content Grid AJAX pagination

code.php

<?php // <- ignore this line.

// Add Vagonic sort compatibility with Content Grid AJAX pagination.
add_action( 'woocommerce_product_query', function( $query, $wc_query ) {
	if ( ! is_admin() && $query->is_main_query() && is_array( $_POST ) && isset( $_POST['current_tax'], $_POST['current_term'] ) ) {
		$term = get_term_by( 'slug', wp_unslash( $_POST['current_term'] ), wp_unslash( $_POST['current_tax'] ) );
		if ( $term && ! is_wp_error( $term ) ) {
			$term_id = $term->term_id;
			 if ( $term->taxonomy == 'product_tag' ) {
				 $meta_key = '_vgnc_tag_menu_order_' . $term_id;
			 } elseif ( $term->taxonomy == 'product_cat' ){
				 $meta_key = '_vgnc_cat_menu_order_' . $term_id;
			 } else {
				 $meta_key = 'menu_order';
			 }
			$query->set( 'meta_key', $meta_key );
		}
	}
}, 10, 2 );