1 files changed, 15 insertions, 2 deletions
diff --git a/lib/worker.js b/lib/worker.js
index d67fb4efe4..0609650cd5 100644
--- a/lib/worker.js
+++ b/lib/worker.js
@@ -1,5 +1,18 @@
 'use strict';
 
-const { MessagePort, MessageChannel } = require('internal/worker');
+const {
+  isMainThread,
+  MessagePort,
+  MessageChannel,
+  threadId,
+  Worker
+} = require('internal/worker');
 
-module.exports = { MessagePort, MessageChannel };
+module.exports = {
+  isMainThread,
+  MessagePort,
+  MessageChannel,
+  threadId,
+  Worker,
+  parentPort: null
+};