private function addBaseurl2ImageSource(&$filtered, $baseurl)
    {
        $textf  = $this->di->get("textfilter");
        $url    = $this->di->get("url");

        // Use callback to url->create() instead of string concat
        $callback = function ($route) use ($url, $baseurl) {
            return $url->asset($route, $baseurl);
        };

        $filtered->text =
            $textf->addBaseurlToImageSource($filtered->text, $baseurl, $callback);
    }