feat: UserTypeDescriptor resource type safety

Author: Benjamin-Dobell

.changeset/scumless-boxbush-phytotoxin.md

@@ -0,0 +1,5 @@
+---
+"@godot-js/editor": patch
+---
+
+**Types:** `UserTypeDescriptor` `resource` property is now type-safe and will auto-complete, accepting `Script` resources.

scripts/jsb.editor/src/jsb.editor.codegen.ts

@@ -1,11 +1,14 @@
 import type {
+    ExtractValueKeys,
     FileAccess,
     GArray,
     GDictionary,
     GReadProxyValueWrap,
     Node,
     PropertyInfo,
     Resource,
+    ResourceTypes,
+    Script,
     Variant,
 } from "godot";
 
@@ -1136,7 +1139,7 @@ export type UserTypeDescriptor = GDictionary<{
     /**
      * res:// style path to the TypeScript module where this type is exported.
      */
-    resource: string;
+    resource: ExtractValueKeys<ResourceTypes, Script>;
     /**
      * Preferred type name to use when importing.
      */

scripts/typings/godot.generated.d.ts

@@ -8,6 +8,9 @@ declare module "godot" {
 
     class Node<Map extends Record<string, Node> = any> extends Object { }
     class Resource { }
+    class Script extends Resource { }
+    interface ResourceTypes { }
+
     class GArray<T = any> {
         static create<T>(elements: [T] extends [GArray<infer E>] ? Array<E | GProxyValueWrap<E>> : Array<T | GProxyValueWrap<T>>):
           [T] extends [GArray<infer E>]