TYPO3 (v13) ImageContentObject rendering early in middleware example (styguide)

DemoImageContentObjectRenderingMiddleware.php

<?php
// EXT:myext/Classes/Middleware/DemoImageContentObjectRenderingMiddleware.php

declare(strict_types=1);

namespace MyVendor\MyExtension\Middleware;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Core\EventDispatcher\ListenerProvider;
use TYPO3\CMS\Core\Http\ResponseFactory;
use TYPO3\CMS\Core\Http\StreamFactory;
use TYPO3\CMS\Core\Resource\Event\GeneratePublicUrlForResourceEvent;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
use TYPO3\CMS\Frontend\Resource\PublicUrlPrefixer;

final class DemoImageContentObjectRenderingMiddleware implements MiddlewareInterface
{
    public function __construct(
        private readonly ListenerProvider $listenerProvider,
    ) {
    }

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        // to trigger this middleware, simple add `?middleware-trigger=image-content-object` to a valid
        // request along with configure `$GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'middleware-trigger';`
        // to avoud cHash calculation issues.
        if (($request->getQueryParams()['middleware-trigger'] ?? '') !== 'image-content-object') {
            return $handler->handle($request);
        }

        $controller = $request->getAttribute('frontend.controller');
        if ($controller instanceof TypoScriptFrontendController) {
            // required to calculate/set absRefPrefix correctly
            $controller->preparePageContentGeneration($request);
        }
        $this->listenerProvider->addListener(
            GeneratePublicUrlForResourceEvent::class,
            PublicUrlPrefixer::class,
            'prefixWithAbsRefPrefix'
        );

        $contentObjectRenderer = GeneralUtility::makeInstance(ContentObjectRenderer::class);
        $contentObjectRenderer->setRequest($request);

        $imageContent = $contentObjectRenderer->getContentObject('IMAGE')->render([
            'file' => '/fileadmin/styleguide/bus_lane.jpg',
            // 'file' => '1:/styleguide/bus_lane.jpg',
            'file.' => [
                'width' => 100,
            ],
        ]);
        $streamFactory = GeneralUtility::makeInstance(StreamFactory::class);
        $responceFactory = GeneralUtility::makeInstance(ResponseFactory::class);
        $response = $responceFactory->createResponse(
            200,
            '',
        )->withBody($streamFactory->createStream($imageContent));
        return $response;
    }
}

ext_localconf.php

<?php
// EXT:myext/ext_localconf.php

$GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'middleware-trigger';

RequestMiddlewares.php

<?php
// EXT:myext/Configuration/RequestMiddlewares.php
return [
  'frontend' => [
    'demo-imagecontentobjectrendering' => [
      'target' => \MyVendor\MyExtension\Middleware\DemoImageContentObjectRenderingMiddleware::class,
      'after' => [
        'typo3/cms-frontend/prepare-tsfe-rendering'
      ],
      'before' => [
        'typo3/cms-frontend/content-length-headers',
      ],  
    ],
  ],
];

Services.yaml

# EXT:myext/Configuration/Services.yaml
services:
  _defaults:
    autowire: true
    autoconfigure: true
    public: false

  MyVendor\MyExtension\:
    resource: '../Classes/*'