{
  config,
  lib,
  pkgs,
  ...
}: let
  inherit (lib.meta) getExe;
  inherit (lib.modules) mkIf;
  inherit (lib.options) mkEnableOption;
  inherit (lib.generators) mkLuaInline;

  cfg = config.vim.lsp.presets.r-languageserver;
in {
  options.vim.lsp.presets.r-languageserver = {
    enable = mkEnableOption "the R Language Server";
  };

  config = mkIf cfg.enable {
    vim.lsp.servers.r-languageserver = {
      enable = true;
      cmd = [
        (getExe (pkgs.rWrapper.override {
          packages = [pkgs.rPackages.languageserver];
        }))
        "--no-echo"
        "-e"
        "languageserver::run()"
      ];
      root_markers = [".git"];
      root_dir = mkLuaInline ''
        function(bufnr, on_dir)
          on_dir(vim.fs.root(bufnr, '.git') or vim.uv.os_homedir())
        end
      '';
    };
  };
}