{ user ? throw "user argument is required" }: { ... }:

{
  home-manager.users.${user.name} = {
    programs.neovim = {
      enable = true;
      defaultEditor = true;
      viAlias = true;
      vimAlias = true;
      vimdiffAlias = true;
      extraConfig = ''
        set tabstop=2
        set shiftwidth=2
        set expandtab
        set smartindent
      '';
    };
  };
}