{ inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; }; outputs = inputs@{ nixpkgs, ... }: let supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ]; forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems ( system: f { pkgs = import nixpkgs { inherit system; }; } ); in { devShells = forEachSupportedSystem ( { pkgs }: { default = pkgs.mkShell.override { } { buildInputs = with pkgs; [ ]; packages = with pkgs; [ nixd nixfmt-rfc-style nodejs_22 pnpm ]; }; } ); }; }