From 264fbc0ace0b701ac6fa8fe217d42950c8fd79c3 Mon Sep 17 00:00:00 2001
From: Yi Ming <ofseed@foxmail.com>
Date: Wed, 6 May 2026 04:32:20 +0800
Subject: fix(lua): avoid `__index` when deciding if a table is a list #39556

Problem:
When a table has `__index`, `vim.islist` is unreliable.

Solution:
Index using `rawget`.
---
 runtime/lua/vim/_core/shared.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime/lua/vim/_core')

diff --git a/runtime/lua/vim/_core/shared.lua b/runtime/lua/vim/_core/shared.lua
index 6df4c85ae7..893171e3a2 100644
--- a/runtime/lua/vim/_core/shared.lua
+++ b/runtime/lua/vim/_core/shared.lua
@@ -960,7 +960,7 @@ function vim.islist(t)
   for _ in
     pairs(t--[[@as table<any,any>]])
   do
-    if t[j] == nil then
+    if rawget(t, j) == nil then
       return false
     end
     j = j + 1
-- 
cgit