WP recent comments + POST link

RecentComments.php

<?php
namespace Oblak\Addons;

use WP_Comment;
use WP_Comment_Query;

class RecentComments
{
  	private static ?array $comments = null;

    private static RecentComments $instance;

    private function __construct() {}

    public static function getInstance()
    {
        return ( is_null(self::$instance) )
            ? self::$instance = new self
            : self::$instance;
    }

  	/**
     * Retrieves ALL comments
     *
     * @param  int          $comment_no Number of comments to retrieve. -1 for all comments
     * @param  string       $orderby    How to order comments
     * @return WP_Comment[]             Comments array
     */
	public static function getComments(int $comment_no, string $orderby) : array
    {

        if ( !is_null(self::$comments) ) :
            return self::$comments;
        endif;

    	$args = [
            'number'   => $comment_no,
            'orderby'  => $orderby,
            'type__in' => ['comment']
        ];

        $cq = new WP_Comment_Query($args);

        return self::$comments = $cq->get_comments();

    }

    /**
     * 
     * @param  WP_Comment $comment    Comment to format and get data for
     * @param  int        $word_count Word count for comment text
     * @return array                  Formatted Comment data array
     */
    public static function formatComment(WP_Comment $comment, int $word_count = 55) : array
    {

        return [
            'author' => $comment->comment_author,
            'post'   => get_the_title($comment->comment_post_ID),
            'link'   => get_permalink($comment->comment_post_ID),
            'text'   => wp_html_excerpt(wp_trim_words($comment->comment_content, $word_count), 9999),
        ];

    }

}