Migrate to common module structure

modules/common/sane-defaults/default.nix

@@ -0,0 +1,32 @@
+{
+  _class,
+  lib,
+  config,
+  ...
+}:
+let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.nut.sane-defaults;
+  nixosModule = mkIf cfg.enable { };
+  darwinModule = mkIf cfg.enable {
+    system.defaults = {
+      NSGlobalDomain = {
+        InitialKeyRepeat = 10;
+        KeyRepeat = 1;
+        AppleShowAllExtensions = true;
+        ApplePressAndHoldEnabled = false;
+      };
+      dock.autohide = true;
+      dock.autohide-delay = 0.0;
+    };
+  };
+in
+{
+  imports = [
+    (lib.optionalAttrs (_class == "nixos") nixosModule)
+    (lib.optionalAttrs (_class == "darwin") darwinModule)
+  ];
+  options.nut.sane-defaults = {
+    enable = mkEnableOption "enable sane defaults";
+  };
+}