src/Viserio/Component/Profiler/Controller/AssetController.php
public function js(): ResponseInterface
    {
        $renderer = $this->profiler->getAssetsRenderer();

        $stream = $this->streamFactory->createStream(
            $renderer->dumpAssetsToString('js')
        );

        $response = $this->responseFactory->createResponse();
        $response = $response->withHeader('content-type', 'text/js');

        return $response->withBody($stream);
    }
public function js(): ResponseInterface
    {
        $renderer = $this->profiler->getAssetsRenderer();

        $stream = $this->streamFactory->createStream(
            $renderer->dumpAssetsToString('js')
        );

        $response = $this->responseFactory->createResponse();
        $response = $response->withHeader('content-type', 'text/js');

        return $response->withBody($stream);
    }
Return the javascript for the Debugbar.

@return \Psr\Http\Message\ResponseInterface