fix(headings): skip headings in blockquotes in table of contents

Signed-off-by: Jonas <jonas@freesources.org>

Author: mejo-

src/plugins/extractHeadings.ts

@@ -31,8 +31,8 @@ export default function extractHeadings(doc: Node) {
 	}
 
 	doc.descendants((node, offset) => {
-		// Don't descent into detials blocks - their headings are hidden
-		if (node.type.name === 'details') {
+		// Don't descent into details/blockquote nodes - their headings are hidden
+		if (node.type.name === 'details' || node.type.name === 'blockquote') {
 			return false
 		}
 		if (node.type.name !== 'heading') {

src/tests/plugins/extractHeadings.spec.js

@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+import Blockquote from '@tiptap/extension-blockquote'
 import Details from '../../nodes/Details.js'
 import Heading from '../../nodes/Heading.js'
 import extractHeadings from '../../plugins/extractHeadings.ts'
@@ -50,6 +51,19 @@ describe('extractHeadings', () => {
 		expect(headings[0].text).toBe('Visible heading')
 	})
 
+	it('ignores headings inside a block quote block', () => {
+		const content = `
+			<h1>Visible heading</h1>
+			<blockquote>
+				<h1>Quoted heading</h1>
+			</blockquote>
+		`
+		const doc = prepareDoc(content, [Blockquote])
+		const headings = extractHeadings(doc)
+		expect(headings).toHaveLength(1)
+		expect(headings[0].text).toBe('Visible heading')
+	})
+
 	it('creates unique ids with a counter', () => {
 		const content = `
 			<h1>Level 1 heading</h1>