facetwp - Show h3 label and hide facet and h3 label when empty

facetwp-show-label-hide-when-empty

// Hide Facet & H3 Label When Empty
function fwp_add_facet_labels() {
    ?>
<script>
(function($) {
    $(document).on('facetwp-loaded', function() {
        $('.facetwp-facet').each(function() {
            var facet_name = $(this).attr('data-name');
            var facet_label = FWP.settings.labels[facet_name];
            if ($('.facet-label[data-for="' + facet_name + '"]').length < 1 && $(this).children()
                .length > 0) {
                $(this).before('<h3 class="facet-label" data-for="' + facet_name + '">' +
                    facet_label + '</h3>');
            }
        });
    });
})(jQuery);
</script>
<?php
   }
   add_action( 'wp_head', 'fwp_add_facet_labels', 100 );