{
  description = "Base development environment for modern web development";

  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 = nixpkgs.legacyPackages.${system};
    in {
      devShells.default = pkgs.mkShell {
        packages = with pkgs; [
          nodejs_24
          nodePackages.pnpm
          bun
          typescript
          typescript-language-server
          biome
          nodePackages.prettier
          nodePackages.vscode-langservers-extracted
        ];

        shellHook = ''
          echo "Node $(node --version)"
          echo "npm  $(npm --version)"
          echo "pnpm $(pnpm --version)"
          echo "bun  $(bun --version)"

          echo
          echo "Included tools:"
          echo "  • Node.js"
          echo "  • pnpm"
          echo "  • Bun"
          echo "  • TypeScript"
          echo "  • Biome"
          echo "  • Prettier"
          echo "  • HTML/CSS/JSON Language Server"
        '';
      };
    });
}