From 42ba857423c8914ea12918f1cc5c639139e73873 Mon Sep 17 00:00:00 2001
From: LittleboyHarry <littleboyharry@qq.com>
Date: Thu, 8 Sep 2022 21:42:05 +0800
Subject: [PATCH] fix(theme): preserve line breaks when copying code with
 showLineNumbers in Firefox (#8068)

Fix CodeBlock no line breaks copied in Firefox bug
---
 .../src/theme/CodeBlock/Line/index.tsx                      | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/packages/docusaurus-theme-classic/src/theme/CodeBlock/Line/index.tsx b/packages/docusaurus-theme-classic/src/theme/CodeBlock/Line/index.tsx
index 3b6a8a306b0a..3d8fca58fdcc 100644
--- a/packages/docusaurus-theme-classic/src/theme/CodeBlock/Line/index.tsx
+++ b/packages/docusaurus-theme-classic/src/theme/CodeBlock/Line/index.tsx
@@ -39,11 +39,9 @@ export default function CodeBlockLine({
           <span className={styles.codeLineContent}>{lineTokens}</span>
         </>
       ) : (
-        <>
-          {lineTokens}
-          <br />
-        </>
+        lineTokens
       )}
+      <br />
     </span>
   );
 }