WIP Add content filter

src/Service/HtmlTagRemover.php

@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * Copyright © OXID eSales AG. All rights reserved.
+ * See LICENSE file for license details.
+ */
+
+declare(strict_types=1);
+
+namespace OxidEsales\WysiwygModule\Service;
+
+use DOMNode;
+use OxidEsales\EshopCommunity\Internal\Framework\Templating\HtmlFilter\HtmlRemoverInterface;
+
+class HtmlTagRemover implements HtmlRemoverInterface
+{
+    public function remove(DOMNode $node): void
+    {
+        $parent = $node->parentNode;
+        while ($node->hasChildNodes()) {
+            $parent->insertBefore($node->lastChild, $node->nextSibling);
+        }
+        $parent->removeChild($node);
+    }
+}

tests/Unit/Service/HtmlTagRemoverTest.php

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+<?php
+
+/**
+ * Copyright © OXID eSales AG. All rights reserved.
+ * See LICENSE file for license details.
+ */
+
+declare(strict_types=1);
+
+namespace OxidEsales\WysiwygModule\Tests\Unit\Service;
+
+use DOMDocument;
+use OxidEsales\WysiwygModule\Service\HtmlTagRemover;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+class HtmlTagRemoverTest extends TestCase
+{
+    #[Test]
+    #[DataProvider('htmlProvider')]
+    public function remove(string $node, string $html, string $expectedHtml): void
+    {
+        $doc = new DOMDocument();
+        $doc->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
+        $node = $doc->getElementsByTagName($node)->item(0);
+
+        $remover = new HtmlTagRemover();
+        $remover->remove($node);
+
+        $this->assertEquals($expectedHtml, rtrim($doc->saveHTML()));
+    }
+
+    public static function htmlProvider(): array
+    {
+        return [
+            [
+                'node' => 'span',
+                'html' => '<div><span>content</span></div>',
+                'expectedHtml' => '<div>content</div>',
+            ],
+            [
+                'node' => 'script',
+                'html' => '<div><script>//content</script></div>',
+                'expectedHtml' => '<div>//content</div>',
+            ],
+            [
+            'node' => 'script',
+            'html' => '<div><script src="app.js"/></div>',
+            'expectedHtml' => '<div></div>',
+            ],
+        ];
+    }
+}