code fixes

lib/internal/structured_clone.js

@@ -1,9 +1,13 @@
 'use strict';
 
-const { MessageChannel, receiveMessageOnPort } = require('internal/worker/io');
+const {
+  MessageChannel,
+  receiveMessageOnPort
+} = require('internal/worker/io');
 
 
 function structuredClone(value, transfer) {
+  // TODO: Improve this with a more efficient solution that avoids instantiating a MessageChannel
   const channel = new MessageChannel();
   channel.port1.unref();
   channel.port2.unref();
@@ -13,4 +17,4 @@ function structuredClone(value, transfer) {
 
 module.exports = {
   structuredClone
-}
+}