efm

https://github.com/mattn/efm-langserver

General purpose Language Server that can use specified error message format generated from specified command.

Setup

require'lspconfig'.efm.setup{}

Default values

cmd = { "efm-langserver" }
root_dir = function(fname)
      return util.root_pattern '.git'(fname) or util.path.dirname(fname)
    end,