docs/modules: move rendering logic

docs/default.nix

@@ -98,6 +98,9 @@ let
       inherit transformOptions;
     }).optionsJSON;
 
+  renderDocs = pkgs.callPackage ./modules/render.nix {
+    inherit nixvim lib;
+  };
 in
 lib.fix (self: {
   inherit options-json;
@@ -110,9 +113,7 @@ lib.fix (self: {
     inherit (self) lib-docs;
   };
 
-  lib-docs = pkgs.callPackage ./lib {
-    inherit nixvim lib;
-  };
+  lib-docs = renderDocs "nixvim-lib-docs" ./lib/pages.nix;
 
   search = mkNuschtosSearch {
     optionsJSON = options-json + "/share/doc/nixos/options.json";

docs/modules/render.nix

@@ -4,15 +4,12 @@
   runCommand,
   nixdoc,
   nixvim,
-  pageSpecs ? ./pages.nix,
 }:
 
+name: modules:
 let
   menuConfiguration = lib.evalModules {
-    modules = [
-      pageSpecs
-      ../modules
-    ];
+    modules = [ ../modules ] ++ lib.toList modules;
   };
   cfg = menuConfiguration.config;
 
@@ -53,7 +50,7 @@ let
   };
 
   result =
-    runCommand "nixvim-lib-docs"
+    runCommand name
       {
         __structuredAttrs = true;
         strictDeps = true;