KOKINIO - MANAGER

Edit File: LangActiveAssetItem.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2020 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\WebAsset\AssetItem;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\WebAsset\WebAssetItem;

/**
 * Web Asset Item class for load asset file for active language.
 * Used in core templates.
 *
 * @since  4.0.0
 */
class LangActiveAssetItem extends WebAssetItem
{
	/**
	 * Class constructor
	 *
	 * @param   string  $name          The asset name
	 * @param   string  $uri           The URI for the asset
	 * @param   array   $options       Additional options for the asset
	 * @param   array   $attributes    Attributes for the asset
	 * @param   array   $dependencies  Asset dependencies
	 *
	 * @since   4.0.0
	 */
	public function __construct(
		string $name,
		string $uri = null,
		array $options = [],
		array $attributes = [],
		array $dependencies = []
	)
	{
		parent::__construct($name, $uri, $options, $attributes, $dependencies);

// Prepare Uri depend from the active language
		$langTag = Factory::getApplication()->getLanguage()->getTag();
		$client  = $this->getOption('client');

// Create Uri <client>/language/<langTag>/<langTag>.css
		if ($client)
		{
			$this->uri = $client . '/language/' . $langTag . '/' . $langTag . '.css';
		}
		else
		{
			$this->uri = 'language/' . $langTag . '/' . $langTag . '.css';
		}
	}
}