fix: inject and optional decorators should allow key to be undefined (#2329)

Author: darkbasic

.changeset/lazy-bulldogs-cry.md

@@ -0,0 +1,5 @@
+---
+'graphql-modules': patch
+---
+
+TypeScript 5 support for the Inject and Optional decorators

packages/graphql-modules/src/di/decorators.ts

@@ -51,6 +51,13 @@ export function Injectable(options?: ProviderOptions): ClassDecorator {
   };
 }
 
+// https://github.com/microsoft/TypeScript/issues/52435
+type ParameterDecorator = (
+  target: Object,
+  propertyKey: string | symbol | undefined,
+  parameterIndex: number
+) => void;
+
 export function Optional(): ParameterDecorator {
   return (target, _, index) => {
     ensureReflect();