{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs }:
    let
      supportedSystems = [ "x86_64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
      nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });

      shell = pkgs: with pkgs; mkShell {
        buildInputs = [
          nodejs-18_x
          nodePackages.typescript
          nodePackages.typescript-language-server
          just
        ];
      };
    in
    {
      devShells = forAllSystems (system:
        let
          pkgs = import nixpkgs { inherit system; };
        in
        {
          default = shell pkgs;
        });
    };
}