Foundry/pkgs/formats/default.nix

{pkgs}: {
  gzipJson = {}: {
    generate = name: value:
      pkgs.callPackage (
        {
          runCommand,
          gzip,
        }:
          runCommand name
          {
            nativeBuildInputs = [gzip];
            value = builtins.toJSON value;
            passAsFile = ["value"];
          }
          ''
            gzip "$valuePath" -c > "$out"
          ''
      ) {};

    type = (pkgs.formats.json {}).type;
  };
}