facetwp add tooltips to slider

<?php
/** adds tooltips to slider handles
 ** https://refreshless.com/nouislider/slider-options/#section-tooltips
 ** note that you need an array even if you want true for both handles
 **/

add_action( 'wp_footer', function() { ?>
    <script>
    (function($) {
        if ('object' != typeof FWP) {
            return;
        }
        FWP.hooks.addFilter('facetwp/set_options/slider', function(opts, facet) {
            if (facet.facet_name == 'price') {
                opts.tooltips = [true,true];
              return opts;
            }
        });
    })(jQuery);
    </script>
<?php }, 100 );