flake.nix

{
  description = "Shinylive web assets";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
  };

  outputs =
    { self, nixpkgs }:
    let
      supportedSystems = [
        "x86_64-linux"
        "aarch64-darwin"
        "x86_64-darwin"
        "aarch64-linux"
      ];
      forEachSupportedSystem =
        f:
        nixpkgs.lib.genAttrs supportedSystems (
          system:
          f rec {
            pkgs = import nixpkgs { inherit system; };
            inherit system;
          }
        );

    in
    {
      packages = forEachSupportedSystem (
        { pkgs, system, ... }:
        {
          default = pkgs.stdenv.mkDerivation {
            name = "shinylive";
            src = ./.;

            # TODO:
            # - cache yarn packages
            # - cache pyodide tarball

            nativeBuildInputs = with pkgs; [
              nodejs_20

              python312
              (with python312Packages; [
                pip
                virtualenv
              ])

              curl
              cacert
              git
            ];

            buildPhase = ''
              export HOME=$PWD
              make all
            '';

            installPhase = ''
              mkdir -p $out
              cp -r build/* $out
            '';
          };
        }
      );

      devShells = forEachSupportedSystem (
        { pkgs, system }:
        {
          default = pkgs.mkShell {

            # Get the nativeBuildInputs from packages.default
            inputsFrom = [ self.packages.${system}.default ];

            packages = with pkgs; [
              nodePackages.npm-check-updates

            ];
          };
        }
      );
    };
}