{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, utils }: utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; in { devShell = pkgs.mkShell { buildInputs = with pkgs; [ just toml2json nodePackages.webpack-cli typescript typescript-language-server ]; }; } ); }