{ lib, ... }:
let
  mapAttrsMaybe =
    f: attrs:
    lib.pipe attrs [
      (lib.mapAttrsToList f)
      (builtins.filter (x: x != null))
      builtins.listToAttrs
    ];
  forAllNixFiles =
    dir: f:
    if builtins.pathExists dir then
      lib.pipe dir [
        builtins.readDir
        (mapAttrsMaybe (
          fn: type:
          if type == "regular" then
            let
              name = lib.removeSuffix ".nix" fn;
            in
            lib.nameValuePair name (f "${dir}/${fn}")
          else if type == "directory" && builtins.pathExists "${dir}/${fn}/default.nix" then
            lib.nameValuePair fn (f "${dir}/${fn}")
          else
            null
        ))
      ]
    else
      { };
in
{
  flake.myvimPlugins = forAllNixFiles ./. (fn: fn);
}