From 79a2235fd16212ddcea9a7722dddabd3d927cdfd Mon Sep 17 00:00:00 2001
From: Luis Calle <53507599+TheLeoP@users.noreply.github.com>
Date: Wed, 1 Apr 2026 14:28:31 -0500
Subject: [PATCH] perf(vim.pos): use `nvim_buf_line_count` instead of fetching
 all lines #38686

---
 runtime/lua/vim/pos.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/runtime/lua/vim/pos.lua b/runtime/lua/vim/pos.lua
index 34e65cef64..67e309db69 100644
--- a/runtime/lua/vim/pos.lua
+++ b/runtime/lua/vim/pos.lua
@@ -210,11 +210,11 @@ end
 ---@param pos vim.Pos
 ---@return integer, integer
 function Pos.to_extmark(pos)
-  local line_num = #api.nvim_buf_get_lines(pos.buf, 0, -1, true)
+  local line_count = api.nvim_buf_line_count(pos.buf)
 
   local row = pos.row
   local col = pos.col
-  if pos.col == 0 and pos.row == line_num then
+  if pos.col == 0 and pos.row == line_count then
     row = row - 1
     col = #get_line(pos.buf, row)
   end