TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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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\Core\Page;
+
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Trait used to add default JavaScript in frontend rendering context
+ * while considering TypoScript setting `config.removeDefaultJS` as well.
+ *
+ * @internal only to be used in EXT:frontend and TYPO3 Core, not part of TYPO3 Core API.
+ */
+trait DefaultJavaScriptAssetTrait
+{
+    protected function addDefaultFrontendJavaScript(ServerRequestInterface $request): void
+    {
+        // `config.removeDefaultJS = 1` - remove default JavaScript, no action required
+        if ($this->shallRemoveDefaultFrontendJavaScript($request)) {
+            return;
+        }
+        $filePath = 'EXT:frontend/Resources/Public/JavaScript/default_frontend.js';
+        $collector = GeneralUtility::makeInstance(AssetCollector::class);
+        // `config.removeDefaultJS = external` - persist JavaScript to `typo3temp/assets/`
+        if ($this->shallExportDefaultFrontendJavaScript($request)) {
+            $source = file_get_contents(GeneralUtility::getFileAbsFileName($filePath));
+            $filePath = GeneralUtility::writeJavaScriptContentToTemporaryFile((string)$source);
+        }
+        $collector->addJavaScript('frontend-default', $filePath, ['async' => 'async']);
+    }
+
+    protected function shallRemoveDefaultFrontendJavaScript(ServerRequestInterface $request): bool
+    {
+        $frontendTypoScriptConfigArray = $request->getAttribute('frontend.typoscript')?->getConfigArray();
+        return ($frontendTypoScriptConfigArray['removeDefaultJS'] ?? 'external') === '1';
+    }
+
+    protected function shallExportDefaultFrontendJavaScript(ServerRequestInterface $request): bool
+    {
+        $frontendTypoScriptConfigArray = $request->getAttribute('frontend.typoscript')?->getConfigArray();
+        return ($frontendTypoScriptConfigArray['removeDefaultJS'] ?? 'external') === 'external';
+    }
+}