fix(eslint.lua): nonsense passed to list_extend()

Author: justinmk

.github/ci/lint.sh

@@ -36,7 +36,7 @@ _check_brief_placement() {
 }
 
 # Returned object should have `---@type vim.lsp.Config` annotation.
-# TODO: use luals/emmylua type checking in CI: https://github.com/neovim/neovim/pull/33344
+# CI checks luals/emmylua: https://github.com/neovim/nvim-lspconfig/pull/4185
 _check_type() {
   if git grep --files-without-match '\-\-\-\@type vim\.lsp\.Config' -- 'lsp/*.lua' ; then
     _fail 'Missing `---@type vim.lsp.Config` annotation.'

lsp/eslint.lua

@@ -201,9 +201,8 @@ return {
       -- Support Yarn2 (PnP) projects
       local pnp_cjs = root_dir .. '/.pnp.cjs'
       local pnp_js = root_dir .. '/.pnp.js'
-      if vim.uv.fs_stat(pnp_cjs) or vim.uv.fs_stat(pnp_js) then
-        local cmd = config.cmd
-        config.cmd = vim.list_extend({ 'yarn', 'exec' }, type(cmd) == 'table' and cmd or {})
+      if type(config.cmd) == 'table' and (vim.uv.fs_stat(pnp_cjs) or vim.uv.fs_stat(pnp_js)) then
+        config.cmd = vim.list_extend({ 'yarn', 'exec' }, config.cmd --[[@as table]])
       end
     end
   end,