facetwp show hide template based on facets selected

add_action( 'facetwp_scripts', function() {
    ?>
    <script>
    document.addEventListener('facetwp-loaded', function() {    
        if ('' != FWP.buildQueryString()) {
            fUtil('.facetwp-template').removeClass('facetwp-hidden');
        } else {
            fUtil('.facetwp-template').addClass('facetwp-hidden');
        }
    });
    </script>
    <?php
}, 100 );