{ description = "JavaScript development environment"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs"; }; outputs = { self, nixpkgs }: let # Systems supported allSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ]; forAllSystems = f: nixpkgs.lib.genAttrs allSystems (system: f { pkgs = nixpkgs.legacyPackages.${system}; }); in { devShells = forAllSystems ({ pkgs }: { default = pkgs.mkShell { packages = with pkgs; [ nodejs # Node.js, plus npm, npx, and corepack ]; }; }); }; }