From dd87587708f432693305434df25870a4bd0e5a50 Mon Sep 17 00:00:00 2001
From: alina sireneva <alina@tei.su>
Date: Fri, 26 Jul 2024 05:49:23 +0300
Subject: [PATCH] fix(markdown): do not collapse multiple newlines

---
 packages/markdown-parser/src/index.ts                | 2 +-
 packages/markdown-parser/src/markdown-parser.test.ts | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/markdown-parser/src/index.ts b/packages/markdown-parser/src/index.ts
index 8c269dce..81d915a3 100644
--- a/packages/markdown-parser/src/index.ts
+++ b/packages/markdown-parser/src/index.ts
@@ -385,7 +385,7 @@ function parse(
                     result += '\n'
                 }
 
-                const nonWhitespace = text.slice(pos + 1).search(/\S/)
+                const nonWhitespace = text.slice(pos + 1).search(/[^ \t]/)
 
                 if (nonWhitespace !== -1) {
                     pos += nonWhitespace + 1
diff --git a/packages/markdown-parser/src/markdown-parser.test.ts b/packages/markdown-parser/src/markdown-parser.test.ts
index 97a2db87..71160aa1 100644
--- a/packages/markdown-parser/src/markdown-parser.test.ts
+++ b/packages/markdown-parser/src/markdown-parser.test.ts
@@ -533,6 +533,12 @@ describe('MarkdownMessageEntityParser', () => {
                 [createEntity('messageEntityBold', 10, 4)],
                 'some text\nbold\nmore text',
             )
+
+            test(
+                md_`text\n\n\nmore text`,
+                [],
+                'text\n\n\nmore text',
+            )
         })
 
         it('should process entities', () => {