From d4680a4d9b13c2d7f788e0e41cca80e1a5d7dd9a Mon Sep 17 00:00:00 2001
From: omnizs38 <omnizs@proton.me>
Date: Mon, 29 Jun 2026 00:57:23 +0500
Subject: [PATCH] fix(editor): preserve leading newlines in plain text editor

Signed-off-by: omnizs38 <omnizs@proton.me>
---
 src/composables/useEditorMethods.ts | 2 +-
 src/helpers/setInitialYjsState.ts   | 2 +-
 src/helpers/updateFromContent.ts    | 2 +-
 src/tests/plaintext.spec.js         | 9 +--------
 4 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/src/composables/useEditorMethods.ts b/src/composables/useEditorMethods.ts
index bba464f1fed..2c08bf41cc4 100644
--- a/src/composables/useEditorMethods.ts
+++ b/src/composables/useEditorMethods.ts
@@ -25,7 +25,7 @@ export const useEditorMethods = (editor: Editor) => {
 			editor.extensionManager.extensions.includes(Markdown)
 		const html = hasMarkdownContent
 			? markdownit.render(content) + '<p/>'
-			: `<pre>${escapeHtml(content)}</pre>`
+			: `<pre>\n${escapeHtml(content)}</pre>`
 		editor
 			.chain()
 			.setContent(html, { emitUpdate: addToHistory })
diff --git a/src/helpers/setInitialYjsState.ts b/src/helpers/setInitialYjsState.ts
index 7a9e79ae22d..b8a5cf0f08f 100644
--- a/src/helpers/setInitialYjsState.ts
+++ b/src/helpers/setInitialYjsState.ts
@@ -17,7 +17,7 @@ export const setInitialYjsState = (
 ) => {
 	const html = isRichEditor
 		? markdownit.render(content) + '<p/>'
-		: `<pre>${escapeHtml(content)}</pre>`
+		: `<pre>\n${escapeHtml(content)}</pre>`
 
 	const editor = isRichEditor ? createRichEditor() : createPlainEditor()
 	editor.commands.setContent(html)
diff --git a/src/helpers/updateFromContent.ts b/src/helpers/updateFromContent.ts
index 371253b6d89..1632de12a3b 100644
--- a/src/helpers/updateFromContent.ts
+++ b/src/helpers/updateFromContent.ts
@@ -30,7 +30,7 @@ const setContent = (
 ) => {
 	const html = isRichEditor
 		? markdownit.render(content) + '<p/>'
-		: `<pre>${escapeHtml(content)}</pre>`
+		: `<pre>\n${escapeHtml(content)}</pre>`
 	const editor = isRichEditor
 		? createRichEditor({
 				extensions: [Collaboration.configure({ document: doc })],
diff --git a/src/tests/plaintext.spec.js b/src/tests/plaintext.spec.js
index 2329bea4220..0b9fabf0026 100644
--- a/src/tests/plaintext.spec.js
+++ b/src/tests/plaintext.spec.js
@@ -18,7 +18,7 @@ const escapeHTML = (s) => {
 }
 
 const plaintextThroughEditor = (markdown) => {
-	const content = '<pre>' + escapeHTML(markdown) + '</pre>'
+	const content = '<pre>\n' + escapeHTML(markdown) + '</pre>'
 	const tiptap = createPlainEditor()
 	tiptap.commands.setContent(content)
 	const plaintext = serializePlainText(tiptap.state.doc) || 'failed'
@@ -27,14 +27,7 @@ const plaintextThroughEditor = (markdown) => {
 }
 
 describe('commonmark as plaintext', () => {
-	// FIXME: Those two tests currently fail as trailing whitespace seems to be stripped,
-	// if it occurs in the first line which is empty otherwise.
-	const skippedMarkdownTests = [97, 117]
-
 	spec.forEach((entry) => {
-		if (skippedMarkdownTests.indexOf(entry.example) !== -1) {
-			return
-		}
 		test('commonmark ' + entry.example, () => {
 			expect(plaintextThroughEditor(entry.markdown)).toBe(entry.markdown)
 		})