nixos/modules/programs/hunspell/default.nix

{ config, lib, pkgs, ... }:
let
  cfg = config.programs.az-hunspell;
in
{
  options = {
    programs.az-hunspell.enable = lib.mkEnableOption "Add dictionaries";
  };

  config = lib.mkIf cfg.enable {
    environment.systemPackages = with pkgs; [
      hunspell
      hunspellDicts.en_GB-ise
      hunspellDicts.de_CH
    ];
  };
}