{ inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable"; systems.url = "github:nix-systems/default"; flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"; }; outputs = { systems, nixpkgs, ... } @ inputs: let eachSystem = f: nixpkgs.lib.genAttrs (import systems) ( system: f nixpkgs.legacyPackages.${system} ); in { devShells = eachSystem (pkgs: { default = pkgs.mkShell { buildInputs = [ pkgs.bun pkgs.nodePackages.typescript pkgs.nodePackages.typescript-language-server ]; }; }); }; }