nixcfg/nixosModules/system/zramSwap/default.nix

{
  pkgs,
  lib,
  config,
  ...
}: {
  options = {
    alyraffauf.system.zramSwap = {
      enable = lib.mkEnableOption "Enables zram swap.";
      size = lib.mkOption {
        description = "Percent size of the zram swap.";
        default = 50;
        type = lib.types.int;
      };
    };
  };

  config = lib.mkIf config.alyraffauf.system.zramSwap.enable {
    zramSwap = {
      enable = true;
      memoryPercent = config.alyraffauf.system.zramSwap.size;
    };
  };
}