patch 8.2.3239: Vim9: no error using heredoc for a number variable Commit: https://github.com/vim/vim/commit/81530e36033dec2c2cd94af6dd48ceb0389e95a2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 28 21:25:49 2021 +0200 patch 8.2.3239: Vim9: no error using heredoc for a number variable Problem: Vim9: no error using heredoc for a number variable. Solution: Add a type check. (closes https://github.com/vim/vim/issues/8627)

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

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

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

CompilerSet makeprg=npx\ eslint\ --format\ compact
CompilerSet errorformat=%f:\ line\ %l\\,\ col\ %c\\,\ %m,%-G%.%#