refactor

lib.nix

@@ -0,0 +1,18 @@
+{ lib, ... }:
+rec {
+  walk-dir =
+    path:
+    let
+      dir = builtins.readDir path;
+    in
+    lib.mapAttrs' (name: value: {
+      name = lib.removeSuffix ".nix" name;
+      value =
+        if value == "regular" then
+          import (path + "/${name}")
+        else if value == "directory" then
+          walk-dir (path + "/${name}")
+        else
+          builtins.throw "Item of type ${value} are unsupported.";
+    }) dir;
+}