working maybe?

modules/editors/nixvim/default.nix

@@ -1,3 +1,28 @@
-_: {
-  imports = [./nixvim.nix];
+{
+  config,
+  lib,
+  inputs,
+  ...
+}: let
+  inherit (builtins) filter map toString elem;
+  inherit (lib.filesystem) listFilesRecursive;
+  inherit (lib.strings) hasSuffix;
+  inherit (lib.lists) concatLists;
+
+  mkNixvimModule = {
+    path,
+    ignoredPaths ? [
+    ],
+  }:
+    filter (hasSuffix ".nix") (
+      map toString (
+        filter (path: path != ./default.nix && !elem path ignoredPaths) (listFilesRecursive path)
+      )
+    );
+in {
+  imports = concatLists [
+    [inputs.nixvim.nixosModules.nixvim]
+
+    (mkNixvimModule {path = ./.;})
+  ];
 }

modules/editors/nvf/nvf.nix

@@ -0,0 +1,46 @@
+{
+  inputs,
+  lib,
+  pkgs,
+  ...
+}: {
+  programs.nvf = {
+    enable = true;
+
+    defaultEditor = true;
+    enableManpages = true;
+
+    settings = {
+      vim = {
+        # use neovim-unwrapped from nixpkgs
+        package = pkgs.neovim-unwrapped;
+
+        viAlias = true;
+        vimAlias = true;
+
+        withNodeJs = false;
+        withPython3 = false;
+        withRuby = false;
+
+        # Prevent swapfile and backupfile from being created
+        preventJunkFiles = true;
+
+        # Make use of the clipboard for default yank and paste operations. Don’t use * and +
+        useSystemClipboard = true;
+        spellcheck = {
+          enable = true;
+          languages = ["en" "de"];
+        };
+
+        # Whether to enable the experimental Lua module loader to speed up the start up process
+        enableLuaLoader = true;
+        enableEditorconfig = true;
+
+        debugMode = {
+          enable = false;
+          logFile = "/tmp/nvim.log";
+        };
+      };
+    };
+  };
+}