shaarli-plugin-clickat/clickat.php

<?php
/**
 * ClickAt
 *
 * This plugin makes microblogging social networks (Twitter/X, Threads, Bluesky and Fediverse) addresses clickable.
 */

use Shaarli\Config\ConfigManager;
use Shaarli\Plugin\PluginManager;
use Shaarli\Render\TemplatePage;

function hook_clickat_render_linklist($data)
{
    $patterns = array(
        '/([^\S]+)@([\w]+).bsky.social/'  => ' <a href="https://bsky.app/profile/\2.bsky.social">&commat;\2.bsky.social</a>',
        '/([^\S]+)@([\w]+)@([\w_\-\.]+)/' => ' <a href="https://\3/@\2">&commat;\2</a>',
        '/([^\S]+)@([\w]+)/'              => ' <a href="https://twitter.com/\2">&commat;\2</a>'
    );
    foreach ($data['links'] as &$value) {
        if (strpos($value['description'], ' @') !== false) {
            foreach($patterns as $nic => $link) {
                $value['description'] = preg_replace($nic, $link, $value['description']);
            }
        }
    }
    return $data;
}