feat: add support for TS 2.3

packages/platform-webworker/src/web_workers/shared/serializer.ts

@@ -10,6 +10,18 @@ import {Injectable, RenderComponentType, RendererType2, Type, ɵstringify as str
 import {RenderStore} from './render_store';
 
 
+/**
+ * @experimental WebWorker support in Angular is currently experimental.
+ */
+export const enum SerializerTypes {
+  // RendererType2
+  RENDERER_TYPE_2,
+  // Primitive types
+  PRIMITIVE,
+  // An object stored in a RenderStore
+  RENDER_STORE_OBJECT,
+}
+
 /**
  * Any type that does not need to be serialized (string, number, boolean)
  *
@@ -25,18 +37,6 @@ export class LocationType {
       public origin: string) {}
 }
 
-/**
- * @experimental WebWorker support in Angular is currently experimental.
- */
-export const enum SerializerTypes {
-  // RendererType2
-  RENDERER_TYPE_2,
-  // Primitive types
-  PRIMITIVE,
-  // An object stored in a RenderStore
-  RENDER_STORE_OBJECT,
-}
-
 @Injectable()
 export class Serializer {
   constructor(private _renderStore: RenderStore) {}