From db813d516cda56a7786f22912de50d9c3a6f08fd Mon Sep 17 00:00:00 2001
From: Liangliang Zhu <shinyypig@gmail.com>
Date: Mon, 2 Dec 2024 10:32:41 +0800
Subject: [PATCH] fix #4474

---
 src/lint/latex-formatter/tex-fmt.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/lint/latex-formatter/tex-fmt.ts b/src/lint/latex-formatter/tex-fmt.ts
index e146b5d22..19ed042f6 100644
--- a/src/lint/latex-formatter/tex-fmt.ts
+++ b/src/lint/latex-formatter/tex-fmt.ts
@@ -43,9 +43,13 @@ async function formatDocument(document: vscode.TextDocument, range?: vscode.Rang
         })
     })
 
-    process.stdin?.write(document.getText(range))
+    // write the document to the process, and add a newline at the end
+    process.stdin?.write(document.getText(range)+'\n')
     process.stdin?.end()
     const edits = await promise
-
+    // remove extra newline at the end
+    if (edits) {
+        edits.newText = edits.newText.replace(/\n$/, '')
+    }
     return edits
 }