Todaymade\Daux\DauxHelper::resolveVariant PHP Method

    protected static function resolveVariant(Config $params)
    {
        if (array_key_exists('theme-variant', $params['html'])) {
            return;
        }
        if (is_dir(realpath($params->getThemesPath() . DIRECTORY_SEPARATOR . $params['html']['theme']))) {
            return;
        }
        $theme = explode('-', $params['html']['theme']);
        // do we have a variant or only a theme ?
        if (isset($theme[1])) {
            $params['html']['theme-variant'] = array_pop($theme);
            $params['html']['theme'] = implode('-', $theme);
        } else {
            $params['html']['theme'] = array_pop($theme);
        }
        if (!is_dir(realpath($params->getThemesPath() . DIRECTORY_SEPARATOR . $params['html']['theme']))) {
            throw new \RuntimeException("Theme '{$params['html']['theme']}' not found");
        }
    }