Psr7Middlewares\Middleware\DebugBar::__invoke PHP Method

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next)
    {
        $renderer = $this->debugBar->getJavascriptRenderer();
        //Is an asset?
        $path = $request->getUri()->getPath();
        $renderPath = $renderer->getBaseUrl();
        if (strpos($path, $renderPath) === 0) {
            $file = $renderer->getBasePath() . substr($path, strlen($renderPath));
            if (file_exists($file)) {
                return $response->withBody(self::createStream($file, 'r'));
            }
        }
        $response = $next($request, $response);
        //Fix the render baseUrl
        $generator = BasePath::getGenerator($request);
        if ($generator) {
            $renderer->setBaseUrl($generator($renderer->getBaseUrl()));
        }
        $ajax = Utils\Helpers::isAjax($request);
        //Redirection response
        if (Utils\Helpers::isRedirect($response)) {
            if ($this->debugBar->isDataPersisted() || session_status() === PHP_SESSION_ACTIVE) {
                $this->debugBar->stackData();
            }
            //Html response
        } elseif (Utils\Helpers::getMimeType($response) === 'text/html') {
            if (!$ajax) {
                $response = $this->inject($response, $renderer->renderHead(), 'head');
            }
            $response = $this->inject($response, $renderer->render(!$ajax), 'body');
            //Ajax response
        } elseif ($ajax && $this->captureAjax) {
            $headers = $this->debugBar->getDataAsHeaders();
            foreach ($headers as $name => $value) {
                $response = $response->withHeader($name, $value);
            }
        }
        return $response;
    }