Implement toMarkdown for hard break instead of replacing after markdown transformation

Signed-off-by: Julius Härtl <jus@bitgrid.net>

3 files changed, 39 insertions, 1 deletions

diff --git a/src/extensions/HardBreak.js b/src/extensions/HardBreak.js
new file mode 100644
index 000000000..60c7518ee
--- /dev/null
+++ b/src/extensions/HardBreak.js
@@ -0,0 +1,37 @@
+/*
+ * @copyright Copyright (c) 2022 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+*/
+
+import TipTapHardBreak from '@tiptap/extension-hard-break'
+
+const HardBreak = TipTapHardBreak.extend({
+
+	toMarkdown(state, node, parent, index) {
+		for (let i = index + 1; i < parent.childCount; i++) {
+			if (parent.child(i).type !== node.type) {
+				state.write('  \n')
+				return
+			}
+		}
+	},
+})
+
+export default HardBreak
diff --git a/src/extensions/Markdown.js b/src/extensions/Markdown.js
index 7eae9c83a..c7faa5caf 100644
--- a/src/extensions/Markdown.js
+++ b/src/extensions/Markdown.js
@@ -79,7 +79,6 @@ const createMarkdownSerializer = ({ nodes, marks }) => {
 		),
 		serialize(content, options) {
 			return this.serializer.serialize(content, { ...options, tightLists: true })
-				.split('\\\n').join('  \n')
 				.split('\\[').join('[')
 				.split('\\]').join(']')
 		},
diff --git a/src/extensions/index.js b/src/extensions/index.js
index 998fff30c..d6ce69a8c 100644
--- a/src/extensions/index.js
+++ b/src/extensions/index.js
@@ -21,6 +21,7 @@
  */
 
 import Emoji from './Emoji.js'
+import HardBreak from './HardBreak.js'
 import Keymap from './Keymap.js'
 import UserColor from './UserColor.js'
 import Collaboration from './Collaboration.js'
@@ -28,6 +29,7 @@ import Markdown from './Markdown.js'
 
 export {
 	Emoji,
+	HardBreak,
 	Keymap,
 	UserColor,
 	Collaboration,