flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (
      system:
        let
          pkgs = import nixpkgs { inherit system; };
        in
        with pkgs; {
          devShells.default = mkShell {
            buildInputs = [
              # API Deps ------------------------------------
              (elixir_1_17.override { erlang = erlang_27; }) erlang_27

              # Web Deps ------------------------------------
              nodePackages.prettier nodejs_20
            ]
              ++ lib.optionals stdenv.isLinux  ([ libnotify inotify-tools ])
              ++ lib.optionals stdenv.isDarwin ([ terminal-notifier
                                                  darwin.apple_sdk.frameworks.CoreFoundation
                                                  darwin.apple_sdk.frameworks.CoreServices
                                               ]);

            env = {
              ERL_AFLAGS = "-kernel shell_history enabled";
            };
          };
        }
    );
}