Ensure whitespaces in markdown files are preserved

Adjusted test cases to test whitespace characters are
not touched.

Signed-off-by: Ferdinand Thiessen <rpm@fthiessen.de>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/extensions/RichText.js b/src/extensions/RichText.js
index c98927618..bcf566fca 100644
--- a/src/extensions/RichText.js
+++ b/src/extensions/RichText.js
@@ -24,7 +24,7 @@ import { Extension } from '@tiptap/core'
 
 /* eslint-disable import/no-named-as-default */
 import Document from '@tiptap/extension-document'
-import Paragraph from '@tiptap/extension-paragraph'
+import TipTapParagraph from '@tiptap/extension-paragraph'
 import Text from '@tiptap/extension-text'
 import Blockquote from '@tiptap/extension-blockquote'
 import OrderedList from '@tiptap/extension-ordered-list'
@@ -45,6 +45,12 @@ import Callout from './../nodes/Callouts.js'
 
 import { Strong, Italic, Strike, Link, Underline } from './../marks/index.js'
 
+const Paragraph = TipTapParagraph.extend({
+	parseHTML() {
+		return this.parent().map(rule => Object.assign(rule, { preserveWhitespace: 'full' }))
+	},
+})
+
 export default Extension.create({
 	name: 'RichText',