WooCommerce Show Featured Products First in Query

woo-show-featured-products-first-in-query.php

<?php
add_action( 'pre_get_posts', function( $query ) {
  if ( $query->is_main_query() && is_post_type_archive( 'product' ) ) {
    $query->set( 'meta_query', array(
            'relation' => 'OR',
            array( 'key' => '_featured', 'value' => 'yes', 'compare' => 'EXISTS' ),
            array( 'key' => '_featured', 'compare' => 'NOT EXISTS' ),
        ) );
    $query->set( 'orderby', array( '_featured' => 'DESC', 'date' => 'DESC' ) );
  }
});