{ config, pkgs, ... }:

let
  node = pkgs.unstable.nodejs-10_x;
  npmPackages = pkgs.unstable.nodePackages_10_x;
in
{ environment.systemPackages = with pkgs.unstable; [
    node

    npmPackages.node-gyp
    npmPackages.node-gyp-build
    npmPackages.node-pre-gyp

    npmPackages.tern
    npmPackages.node2nix
    npmPackages.nodemon
    npmPackages.javascript-typescript-langserver
    npmPackages.eslint_d
    npmPackages.yarn

  ] ++ (
    if stdenv.isDarwin
    then
    [
    ]
    else
    [
    # npm install may use any of these
    binutils
    gcc
    gnumake
    python2
    ]
  );
}