chore: add kEmptyObject to internal/util

PR-URL: nodejs/node#43159
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: LiviaMedeiros

lib/internal/per_context/primordials.js

@@ -21,6 +21,7 @@ exports.ObjectCreate = obj => Object.create(obj)
 exports.ObjectDefineProperties = (obj, props) => Object.defineProperties(obj, props)
 exports.ObjectDefineProperty = (obj, key, descr) => Object.defineProperty(obj, key, descr)
 exports.ObjectEntries = obj => Object.entries(obj)
+exports.ObjectFreeze = obj => Object.freeze(obj)
 exports.ObjectGetOwnPropertyDescriptor = (obj, key) => Object.getOwnPropertyDescriptor(obj, key)
 exports.ObjectIsExtensible = obj => Object.isExtensible(obj)
 exports.ObjectPrototypeHasOwnProperty = (obj, property) => Object.prototype.hasOwnProperty.call(obj, property)

lib/internal/util.js

@@ -1,6 +1,10 @@
-// https://github.com/nodejs/node/blob/1aab13cad9c800f4121c1d35b554b78c1b17bdbd/lib/internal/util.js
+// https://github.com/nodejs/node/blob/a9b1fd3987fae5ad5340859a6088b86179b576c5/lib/internal/util.js
 'use strict'
 
+const {
+  ObjectCreate,
+  ObjectFreeze
+} = require('#internal/per_context/primordials')
 const {
   types: { isNativeError }
 } = require('util')
@@ -23,7 +27,10 @@ function isError (e) {
   return isNativeError(e) || e instanceof Error
 }
 
+const kEmptyObject = ObjectFreeze(ObjectCreate(null))
+
 module.exports = {
   createDeferredPromise,
-  isError
+  isError,
+  kEmptyObject
 }