1 files changed, 6 insertions, 1 deletions
diff --git a/cli/js/ops/worker_host.ts b/cli/js/ops/worker_host.ts
index 11e268152..24e6b57ba 100644
--- a/cli/js/ops/worker_host.ts
+++ b/cli/js/ops/worker_host.ts
@@ -1,14 +1,19 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import { sendAsync, sendSync } from "./dispatch_json.ts";
 
+interface CreateWorkerResponse {
+  id: number;
+}
+
 export function createWorker(
   specifier: string,
   hasSourceCode: boolean,
   sourceCode: string,
   useDenoNamespace: boolean,
   name?: string
-): { id: number } {
+): CreateWorkerResponse {
   return sendSync("op_create_worker", {
     specifier,
     hasSourceCode,