protected function getValidEditorLang()
    {
        $locale = App::getLocale();

        // English is baked in
        if ($locale == 'en') {
            return null;
        }

        $locale = str_replace('-', '_', strtolower($locale));
        $path = base_path('modules/backend/formwidgets/richeditor/assets/vendor/froala/js/languages/'.$locale.'.js');

        return File::exists($path) ? $locale : false;
    }