sort posts by likes in archive pages

wp-ulike-pro.php

<?php

function wp_ulike_pro_custom_pre_archive($query) {

    /* only proceed on the front end */
    if( is_admin() ) {
	    return;
    }

    if ( ( is_category() || is_tag() || is_archive() ) && $query->is_main_query() ) {

		// Get current meta Query
		$meta_query = $query->get( 'meta_query' );

		// If there is no meta query when this filter runs, it should be initialized as an empty array.
		if ( ! $meta_query ) {
			$meta_query = [];
		}

		// Append our meta query
		$meta_query[] = array(
			'relation' => 'OR',
			array(
				'key' => 'like_amount',
				'compare' => '>=',
				'value' => 1,
				'type' => 'NUMERIC'
			),
			array(
				'key' => 'like_amount',
				'compare' => 'NOT EXISTS'
			)
		) ;
		$query->set( 'meta_query', $meta_query );
		$query->set( 'orderby', array( 'meta_value_num' => 'DESC', 'date' => 'DESC' ) );
    }

}

add_filter( 'pre_get_posts', 'wp_ulike_pro_custom_pre_archive' );