From aadc517c69fb239bdda99173bbc123ace567484b Mon Sep 17 00:00:00 2001
From: James ZHANG <1631685+TheNorthMemory@users.noreply.github.com>
Date: Sun, 9 Mar 2025 02:28:48 +0800
Subject: [PATCH] fix: don't hardcode `tabindex` attr in table renderer (#4082)

Co-authored-by: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>
---
 src/node/markdown/markdown.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/node/markdown/markdown.ts b/src/node/markdown/markdown.ts
index 12de0d11..fd6bf492 100644
--- a/src/node/markdown/markdown.ts
+++ b/src/node/markdown/markdown.ts
@@ -246,8 +246,13 @@ export async function createMarkdownRenderer(
     )
     .use(lineNumberPlugin, options.lineNumbers)
 
+  const tableOpen = md.renderer.rules.table_open
   md.renderer.rules.table_open = function (tokens, idx, options, env, self) {
-    return '<table tabindex="0">\n'
+    const token = tokens[idx]
+    if (token.attrIndex('tabindex') < 0) token.attrPush(['tabindex', '0'])
+    return tableOpen
+      ? tableOpen(tokens, idx, options, env, self)
+      : self.renderToken(tokens, idx, options)
   }
 
   if (options.gfmAlerts !== false) {