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<?php
namespace Drupal\system\Controller;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Drupal\Core\Asset\AttachedAssetsInterface;
use Drupal\Core\Asset\AssetGroupSetHashTrait;
/**
* Defines a controller to serve Javascript aggregates.
*/
class JsAssetController extends AssetControllerBase {
use AssetGroupSetHashTrait;
/**
* {@inheritdoc}
*/
protected string $contentType = 'text/javascript';
/**
* {@inheritdoc}
*/
protected string $assetType = 'js';
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('stream_wrapper_manager'),
$container->get('library.dependency_resolver'),
$container->get('asset.resolver'),
$container->get('theme.initialization'),
$container->get('theme.manager'),
$container->get('asset.js.collection_grouper'),
$container->get('asset.js.collection_optimizer'),
$container->get('asset.js.dumper'),
);
}
/**
* {@inheritdoc}
*/
protected function getGroups(AttachedAssetsInterface $attached_assets, Request $request): array {
// The header and footer scripts are two distinct sets of asset groups. The
// $group_key is not sufficient to find the group, we also need to locate it
// within either the header or footer set.
$language = $this->languageManager()->getLanguage($request->get('language'));
[$js_assets_header, $js_assets_footer] = $this->assetResolver->getJsAssets($attached_assets, FALSE, $language);
$scope = $request->get('scope');
if (!isset($scope)) {
throw new BadRequestHttpException('The URL must have a scope query argument.');
}
$assets = $scope === 'header' ? $js_assets_header : $js_assets_footer;
// While the asset resolver will find settings, these are never aggregated,
// so filter them out.
unset($assets['drupalSettings']);
return $this->grouper->group($assets);
}
}
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