{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05"; }; outputs = { self, nixpkgs, flake-utils, ... } @ inputs: flake-utils.lib.eachDefaultSystem ( system: let pkgs = nixpkgs.legacyPackages.${system}; in { devShells.default = pkgs.mkShell { buildInputs = with pkgs; [typescript devd]; }; } ); }