langasset.php

См. документацию.

<?php
 
namespace Bitrix\Main\Web\WebPacker\Resource;
 
use Bitrix\Main;
use Bitrix\Main\Localization\Loc;

class LangAsset extends Asset
{
    protected $type = self::LANG;
    protected $useAllLangs = false;

    public function getContent()
    {
        if (is_array($this->content) && !empty($this->content))
        {
            return [Loc::getCurrentLang() => $this->content];
        }
        elseif ($this->path)
        {
            $languages = $this->useAllLangs
                ? self::getLanguages()
                : [Loc::getCurrentLang()];
 
            $result = [];
            foreach ($languages as $language)
            {
                $messages = Loc::loadLanguageFile(
                    self::getAbsolutePath($this->path),
                    $language
                );
                if (!empty($messages))
                {
                    $result[$language] = $messages;
                }
            }
 
            return $result;
        }
 
        return [];
    }

    public function useAllLangs($use)
    {
        $this->useAllLangs = (bool) $use;
        return $this;
    }

    public static function toCamelCase(array $messages)
    {
        foreach ($messages as $code => $value)
        {
            unset($messages[$code]);
            $code = str_replace('_', ' ', mb_strtolower($code));
            $code = str_replace(' ', '', ucwords($code));
            $code = lcfirst($code);
            $messages[$code] = $value;
        }
 
        return $messages;
    }

    public static function deletePrefixes(array $messages, array $prefixes)
    {
        foreach ($messages as $code => $value)
        {
            foreach ($prefixes as $prefix)
            {
                if (!str_starts_with($code, $prefix))
                {
                    continue;
                }
 
                unset($messages[$code]);
                $code = mb_substr($code, mb_strlen($prefix));
                $messages[$code] = $value;
            }
        }
 
        return $messages;
    }

    public static function isExists($path)
    {
        return true;
    }
 
    protected static function getLanguages()
    {
        static $list = null;
        if ($list !== null)
        {
            return $list;
        }
 
        $langDir = Main\Application::getDocumentRoot() . '/bitrix/modules/main/lang/';
        $dir = new Main\IO\Directory($langDir);
        if ($dir->isExists())
        {
            foreach($dir->getChildren() as $childDir)
            {
                if (!$childDir->isDirectory())
                {
                    continue;
                }
 
                $list[] = $childDir->getName();
            }
        }
 
        return $list;
    }
}