register service via config.neon, and don't forget to set translator to template object
in config.neon:
parameters:
defaultLang: cs
services:
translator: B4nan\Localization\Translator(%appDir%/langs, %defaultLang%, @cacheStorage)in BasePresenter.php:
/** @var \B4nan\Localization\Translator @inject */
public $translator;
protected function startup()
{
parent::startup();
$this->translator->setLang($this->user->identity->lang);
}