Profile: EricB-14

add_filter('wpv_filter_end_filter_form', 'add_hidden_category_param', 99, 4);
function add_hidden_category_param($out, $view_settings, $view_id, $is_required) {
    $views = array(12345); // Replace with the View ID
    if (in_array($view_id, $views) && $is_required) {
        $category = isset($_GET['category']) ? $_GET['category'] : '';
        $out = '<input type="hidden" id="category" name="category" value="' . esc_attr($category) . '" />' . $out;
    }
    return $out;
}

jQuery(document).ready(function($) {
    $(document).on('js_event_wpv_parametric_search_form_updated', function(event, data) {
        var url = new URL(window.location);
        var category = url.searchParams.get("category");
        jQuery('#category').val(category); // Update hidden input field with the category parameter

        // Update the URL to show only the category parameter
        let params = new URLSearchParams({ category: category });
        window.history.replaceState({}, '', `${url.pathname}?${params.toString()}`);
    });
});