{ pkgs, system, lib }:
let  
  denoScrollsDir = ./deno;

  mkScroll = subDir: lib.readDenoScroll {
    inherit pkgs system subDir;
    scrollsDir = denoScrollsDir;
  };

  scrolls = builtins.map mkScroll [
    "hjq"
    "uses-hjq"
  ];

  shelfSetup =
    lib.collectDenoCaches {
      inherit pkgs;
      denoCacheDrvs = builtins.map (s: s.env) scrolls;
    };
in
{
  setupScript = shelfSetup;

  scrolls = builtins.map (s: s.meta) scrolls;
}