hyprland: generate LuaLS config

modules/services/window-managers/hyprland.nix

@@ -480,6 +480,14 @@ in
     );
 
     xdg.configFile = lib.mkMerge [
+      {
+        "hypr/.luarc.json" = lib.mkIf (cfg.configType == "lua" && cfg.finalPackage != null) {
+          text = builtins.toJSON {
+            workspace.library = [ "${cfg.finalPackage}/share/hypr/stubs" ];
+            diagnostics.globals = [ "hl" ];
+          };
+        };
+      }
       {
         "hypr/hyprland.conf" = lib.mkIf (cfg.configType == "hyprlang") (
           let

tests/modules/services/hyprland/lua-config.nix

@@ -1,10 +1,16 @@
 { config, lib, ... }:
 
+let
+  hyprland = config.lib.test.mkStubPackage { name = "hyprland"; };
+in
+
 {
   wayland.windowManager.hyprland = {
     enable = true;
     configType = "lua";
-    package = null;
+    package = hyprland // {
+      override = _: hyprland;
+    };
     portalPackage = null;
 
     plugins = [
@@ -200,10 +206,14 @@
 
   nmt.script = ''
     config=home-files/.config/hypr/hyprland.lua
+    luarc=home-files/.config/hypr/.luarc.json
     assertFileExists "$config"
+    assertFileExists "$luarc"
     assertPathNotExists home-files/.config/hypr/hyprland.conf
     assertFileNotRegex "$config" "ignored-hyprlang-bind"
     normalizedConfig=$(normalizeStorePaths "$config")
+    normalizedLuarc=$(normalizeStorePaths "$luarc")
     assertFileContent "$normalizedConfig" ${./lua-config.lua}
+    assertFileContent "$normalizedLuarc" ${./luarc.json}
   '';
 }

tests/modules/services/hyprland/luarc.json

@@ -0,0 +1 @@
+{"diagnostics":{"globals":["hl"]},"workspace":{"library":["/nix/store/00000000000000000000000000000000-hyprland/share/hypr/stubs"]}}