<?php
// Outputs the number of currently selected facet options
// Optionally exclude your pager and/or sort facets (or any other facet)
// You need to correct for double counting facet types that have 2 values for 1 selection (e.g. Slider, Proximity, Date/Number Range etc.)
add_action( 'wp_head', function() {
?>
<script>
document.addEventListener('facetwp-loaded', function() {
var count = 0;
var exclusions = ['mypagerfacetname', 'mysortfacetname']; // don't count these facet selections
var doubles = ['mysliderfacet','myproximityfacet','mydaterangefacet']; // double counting facets
Object.entries(FWP.facets).forEach(([name, val]) => {
if (exclusions.indexOf(name) < 0 && val.length > 0) {
if (doubles.indexOf(name) > -1) {
count += val.length/2;
} else {
count += val.length;
}
}
});
console.log(count);
});
</script>
<?php
}, 100 );