fix: first action in empty document cannot be undone

playwright/e2e/history.spec.ts

@@ -0,0 +1,27 @@
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { expect, mergeTests } from '@playwright/test'
+import { test as editorTest } from '../support/fixtures/editor'
+import { test as uploadFileTest } from '../support/fixtures/upload-file'
+
+const test = mergeTests(editorTest, uploadFileTest)
+
+test.beforeEach(async ({ open }) => {
+	await open()
+})
+
+test.describe('Undo manager', () => {
+	test('Can undo first action in empty document', async ({ editor }) => {
+		await editor.type('a')
+		await expect(editor.content).toContainText('a')
+
+		const undoButton = editor.getMenu('Undo')
+		await expect(undoButton).not.toBeDisabled()
+		await undoButton.click()
+
+		await expect(editor.content).not.toContainText('a')
+	})
+})

src/extensions/TextDirection.ts

@@ -78,8 +78,6 @@ function TextDirectionPlugin({ types }: { types: string[] }) {
 			)
 			const changes = getChangedRanges(transform)
 
-			tr.setMeta('addToHistory', false)
-
 			changes.forEach(({ newRange }) => {
 				const nodes = findChildrenInRange(newState.doc, newRange, (node) =>
 					types.includes(node.type.name),