fix: default worker entrypoint support with wrangler types

Author: edmundhung

packages/wrangler/src/type-generation/index.ts

@@ -324,7 +324,10 @@ export async function generateEnvTypes(
 		durable_objects: config.durable_objects,
 		r2_buckets: config.r2_buckets,
 		d1_databases: config.d1_databases,
-		services: config.services,
+		services: config.services?.map((service) => {
+			service.entrypoint ??= "default"; // Ensure entrypoint is defined
+			return service;
+		}),
 		analytics_engine_datasets: config.analytics_engine_datasets,
 		dispatch_namespaces: config.dispatch_namespaces,
 		logfwdr: config.logfwdr,
@@ -464,7 +467,7 @@ export async function generateEnvTypes(
 				: undefined;
 
 			const exportExists = serviceEntry?.exports?.some(
-				(e) => e === service.entrypoint
+				(e) => e === (service.entrypoint ?? "default")
 			);
 
 			let typeName: string;