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

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

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

  # shelfSetup =
  #   lib.collectDenoCaches {
  #     inherit pkgs;
  #     denoCacheDrvs = builtins.map (s: s.env) scrolls;
  #   };
  sharedCache = lib.buildSharedDenoCache {
    inherit pkgs system;
    scrollsDir = denoScrollsDir;
    subDirs = scrollDirs;
  };
in
{
  setupScript = lib.makeDenoShelfSetup {
    inherit pkgs sharedCache;
  };

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