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\ViewHelpers\TypoScript;
+
+use TYPO3\CMS\Core\Utility\DiffUtility;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+
+/**
+ * ViewHelper to runs two strings through 'FineDiff' on word level.
+ *
+ * ```
+ *   <backend:typoScript.fineDiff from="{someTextChunkBefore}" to="{someTextChunkAfter}" />
+ * ```
+ *
+ * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-backend-typoscript-finediff
+ * @internal This experimental ViewHelper is not part of TYPO3 Core API and may change or vanish any time.
+ */
+final class FineDiffViewHelper extends AbstractViewHelper
+{
+    public function __construct(
+        private readonly DiffUtility $diffUtility
+    ) {}
+
+    public function initializeArguments(): void
+    {
+        parent::initializeArguments();
+        $this->registerArgument('from', 'string', 'Source string', true);
+        $this->registerArgument('to', 'string', 'Target string', true);
+    }
+
+    public function render(): string
+    {
+        return $this->diffUtility->diff($this->arguments['from'], $this->arguments['to']);
+    }
+}