From babdab2f704e28950d968e4c4c606509f960d132 Mon Sep 17 00:00:00 2001
From: phanium <91544758+phanen@users.noreply.github.com>
Date: Wed, 28 Jan 2026 18:58:00 +0800
Subject: [PATCH] perf(filetype): vim.filetype.get_option cache miss when
 option value is false #37593

Problem: when option value is false, it's treated as invalid
then trigger FileType event again

Solution: use cached false value
---
 runtime/lua/vim/filetype/options.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runtime/lua/vim/filetype/options.lua b/runtime/lua/vim/filetype/options.lua
index 4a396a1b60..dd099e59b4 100644
--- a/runtime/lua/vim/filetype/options.lua
+++ b/runtime/lua/vim/filetype/options.lua
@@ -77,7 +77,7 @@ end
 function M.get_option(filetype, option)
   update_ft_option_cache(filetype)
 
-  if not ft_option_cache[filetype] or not ft_option_cache[filetype][option] then
+  if not ft_option_cache[filetype] or ft_option_cache[filetype][option] == nil then
     ft_option_cache[filetype] = ft_option_cache[filetype] or {}
     ft_option_cache[filetype][option] = api.nvim_get_option_value(option, { filetype = filetype })
   end