TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Backend\Middleware;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use TYPO3\CMS\Backend\Routing\UriBuilder;
+use TYPO3\CMS\Core\EventDispatcher\ListenerProvider;
+use TYPO3\CMS\Core\Http\Response;
+use TYPO3\CMS\Core\Page\Event\ResolveVirtualJavaScriptImportEvent;
+
+/**
+ * @internal
+ */
+final readonly class JavaScriptLabelImportMapEntryResolver implements MiddlewareInterface
+{
+    public function __construct(
+        private ListenerProvider $listenerProvider,
+        private UriBuilder $uriBuilder,
+        #[Autowire(expression: 'service("package-dependent-cache-identifier").withAdditionalHashedIdentifier("JavaScriptLanguageDomain").toString()')]
+        private string $javaScriptLanguageDomainCacheIdentifier,
+    ) {}
+
+    /**
+     * Adds HTTP headers defined in $GLOBALS['TYPO3_CONF_VARS']['BE']['HTTP']['Response']['Headers']
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $this->listenerProvider->addListener(
+            ResolveVirtualJavaScriptImportEvent::class,
+            self::class,
+            'resolveVirtualLabelImport'
+        );
+
+        return $handler->handle($request);
+    }
+
+    public function resolveVirtualLabelImport(ResolveVirtualJavaScriptImportEvent $event): void
+    {
+        if ($event->resolution === null && $event->virtualName === 'labels/') {
+            $path = (string)$this->uriBuilder->buildUriFromRoute('language_domain', [
+                'locale' => $GLOBALS['LANG']->getLocale()?->getName() ?? 'en',
+                'cacheBustInfix' => $this->javaScriptLanguageDomainCacheIdentifier,
+                'domain' => '__DOMAIN__',
+            ]);
+
+            // domain identifier will be aded via JavaScript importmap prefix handling, strip it to generate
+            // a base identifier
+            $path = str_replace('__DOMAIN__', '', $path);
+
+            $event->resolution = $path;
+        }
+    }
+}