facetwp archive query main query

custom-hooks.php

<?php
/** make sure facet always targets the archive query as the main query
 ** sometimes there is a mysterious extra query that is a duplicate 
 ** of the main query
 **/
add_filter( 'pre_get_posts', function( $query ) {
    if ( $query->is_archive() && $query->is_main_query() ) {
        $query->set( 'facetwp', true );
    }
}, 9 );
 
add_filter( 'facetwp_is_main_query', function( $is_main_query, $query ) {
    if (  $query->is_archive() && true !== $query->get( 'facetwp' ) ) {
        $is_main_query = false;
    }
    return $is_main_query;
}, 10, 2 );