Add toLuaObject generator from nixvim

lib/default.nix

@@ -9,4 +9,5 @@
   networking = import ./networking.nix {inherit inputs pkgs lib;};
   virtualisation = import ./virtualisation.nix {inherit inputs pkgs lib;};
   rofi = import ./rofi.nix {inherit inputs pkgs lib;};
+  generators = import ./generators.nix {inherit inputs pkgs lib;};
 }

lib/generators.nix

@@ -0,0 +1,49 @@
+{
+  inputs,
+  pkgs,
+  lib,
+  ...
+}: rec {
+  # NOTE: Taken from NixVim https://github.com/nix-community/nixvim/blob/main/lib/to-lua.nix
+  toLuaObject = args:
+    if builtins.isAttrs args
+    then
+      if lib.hasAttr "__raw" args
+      then args.__raw
+      else if lib.hasAttr "__empty" args
+      then "{ }"
+      else
+        "{"
+        + (lib.concatStringsSep "," (
+          lib.mapAttrsToList (
+            n: v: let
+              valueString = toLuaObject v;
+            in
+              if lib.hasPrefix "__unkeyed" n
+              then valueString
+              else if lib.hasPrefix "__rawKey__" n
+              then ''[${lib.removePrefix "__rawKey__" n}] = '' + valueString
+              else if n == "__emptyString"
+              then "[''] = " + valueString
+              else "[${toLuaObject n}] = " + valueString
+          ) (lib.filterAttrs (n: v: v != null && (toLuaObject v != "{}")) args)
+        ))
+        + "}"
+    else if builtins.isList args
+    then "{" + lib.concatMapStringsSep "," toLuaObject args + "}"
+    else if builtins.isString args
+    then
+      # This should be enough!
+      builtins.toJSON args
+    else if builtins.isPath args
+    then builtins.toJSON (toString args)
+    else if builtins.isBool args
+    then "${lib.boolToString args}"
+    else if builtins.isFloat args
+    then "${toString args}"
+    else if builtins.isInt args
+    then "${toString args}"
+    else if (args == null)
+    then "nil"
+    else "";
+}