From c6535538f8717a8f6134020a5bee65341cf8280f Mon Sep 17 00:00:00 2001
From: Lewis Russell <lewis6991@gmail.com>
Date: Mon, 28 Sep 2026 14:19:42 +0100
Subject: fix(lua): enable param-type-mismatch diagnostic

Problem: Argument type mismatches are excluded from EmmyLua checks.

Solution: Correct runtime annotations and calls, document local checker
workarounds, and enable the diagnostic.

AI-assisted
---
 runtime/lua/vim/fs.lua | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'runtime/lua/vim/fs.lua')

diff --git a/runtime/lua/vim/fs.lua b/runtime/lua/vim/fs.lua
index 2e4d45e5cb..aeaf7ea638 100644
--- a/runtime/lua/vim/fs.lua
+++ b/runtime/lua/vim/fs.lua
@@ -94,6 +94,7 @@ function M.dirname(file)
     return nil
   end
   vim.validate('file', file, 'string')
+  --- @cast file string
   local dir = vim.fn.fnamemodify(file, ':h')
   if iswin then
     return (dir:gsub(os_sep, '/'))
@@ -112,6 +113,7 @@ function M.basename(file)
     return nil
   end
   vim.validate('file', file, 'string')
+  --- @cast file string
   local name = vim.fn.fnamemodify(file, ':t')
   if iswin then
     return (name:gsub(os_sep, '/'))
-- 
cgit