{
  description = "Spazer - Web Graphics Project";

  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;
          config = {
            permittedInsecurePackages = [
              "nodejs-16.20.2"
            ];
          };
        };
      in
      {
        packages.default = pkgs.mkYarnPackage {
          name = "spazer";
          src = ./.;
          packageJSON = ./package.json;
          yarnLock = ./yarn.lock;
          doDist = false;

          buildPhase = ''
            # Parcel needs a HOME directory
            export HOME=$(mktemp -d)
            yarn parcel build
          '';

          installPhase = ''
            # Create output directory and copy files
            mkdir -p $out
            cp -r deps/Spazer/dist/. $out/
          '';

          buildInputs = with pkgs; [
            nodejs
          ];

          nativeBuildInputs = with pkgs; [
            yarn
            python3 # Sometimes needed by node-gyp
          ];
        };

        # Development shell with required dependencies
        devShell = pkgs.mkShell {
          buildInputs = with pkgs; [
            nodejs
            yarn
            python3
          ];
        };

        # Add a simple app that can serve the built files
        apps.default = flake-utils.lib.mkApp {
          drv = pkgs.writeShellScriptBin "serve-spazer" ''
            ${pkgs.python3}/bin/python3 -m http.server --directory ${self.packages.${system}.default} 8080
          '';
        };
      });
}