facetwp show/hide labels

<?php

add_action( 'wp_head', function() { ?>
    <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 ( 'undefined' !== typeof FWP.settings.num_choices[facet_name] && FWP.settings.num_choices[facet_name] > 0 && $('.facet-label[data-for="' + facet_name + '"]').length < 1 ) {
                    $(this).before('<h3 class="facet-label" data-for="' + facet_name + '">' + facet_label + '</h3>');
                } else if ( 'undefined' !== typeof FWP.settings.num_choices[facet_name] && !FWP.settings.num_choices[facet_name] > 0 ) {
                    $('.facet-label[data-for="' + facet_name + '"]').remove();
                } 
            });
        });
    })(jQuery);
    </script>
<?php } );