let reflex-platform = import (builtins.fetchTarball
      { name = "reflex-platform";
        url = "https://github.com/reflex-frp/reflex-platform/archive/1aba6f367982bd6dd78ec2fda75ab246a62d32c5.tar.gz";
      }) {};
    pkgs = import ./nix/nixpkgs.nix; in

pkgs.stdenv.mkDerivation {
  name = "ghcjs-shell";
  buildInputs =
    [ (reflex-platform.ghcjs.ghcWithPackages (p: with p; [
        attoparsec
        hashable
      ]))
      pkgs.cabal-install
      pkgs.gmp
      pkgs.haskellPackages.cabal-plan
      pkgs.haskellPackages.hspec-discover
      pkgs.nodejs
      pkgs.perl
      pkgs.zlib
    ];
}