LunarVim.LunarVim/lua/lv-neoformat/init.lua

-- autoformat
if O.format_on_save then
  require("lv-utils").define_augroups {
    autoformat = {
      {
        "BufWritePre",
        "*",
        [[try | undojoin | Neoformat | catch /^Vim\%((\a\+)\)\=:E790/ | finally | silent Neoformat | endtry]],
      },
    },
  }
end

vim.g.neoformat_run_all_formatters = 0

vim.g.neoformat_enabled_python = { "autopep8", "yapf", "docformatter" }
vim.g.neoformat_enabled_javascript = { "prettier" }

if not O.format_on_save then
  vim.cmd [[if exists('#autoformat#BufWritePre')
	:autocmd! autoformat
	endif]]
end