patch 8.2.3704: Vim9: cannot use a list declaration in a :def function Commit: https://github.com/vim/vim/commit/ab36e6ae7b87b0295fb19270e4339a734875c6b1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 30 16:14:49 2021 +0000 patch 8.2.3704: Vim9: cannot use a list declaration in a :def function Problem: Vim9: cannot use a list declaration in a :def function. Solution: Make it work.

" Vim compiler file
" Compiler:    Standard for JavaScript
" Maintainer:  Romain Lafourcade <romainlafourcade@gmail.com>
" Last Change: 2020 August 20

if exists("current_compiler")
  finish
endif
let current_compiler = "standard"

if exists(":CompilerSet") != 2
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=npx\ standard
CompilerSet errorformat=%f:%l:%c:\ %m,%-G%.%#