1 files changed, 6 insertions, 12 deletions
diff --git a/lib/internal/process/esm_loader.js b/lib/internal/process/esm_loader.js
index f81053a1c3..0b7f1be6ff 100644
--- a/lib/internal/process/esm_loader.js
+++ b/lib/internal/process/esm_loader.js
@@ -1,8 +1,6 @@
 'use strict';
 
 const {
-  setImportModuleDynamicallyCallback,
-  setInitializeImportMetaObjectCallback,
   callbackMap,
 } = internalBinding('module_wrap');
 
@@ -15,16 +13,16 @@ const {
   ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING,
 } = require('internal/errors').codes;
 
-function initializeImportMetaObject(wrap, meta) {
+exports.initializeImportMetaObject = function(wrap, meta) {
   if (callbackMap.has(wrap)) {
     const { initializeImportMeta } = callbackMap.get(wrap);
     if (initializeImportMeta !== undefined) {
       initializeImportMeta(meta, wrapToModuleMap.get(wrap) || wrap);
     }
   }
-}
+};
 
-async function importModuleDynamicallyCallback(wrap, specifier) {
+exports.importModuleDynamicallyCallback = async function(wrap, specifier) {
   if (callbackMap.has(wrap)) {
     const { importModuleDynamically } = callbackMap.get(wrap);
     if (importModuleDynamically !== undefined) {
@@ -33,10 +31,7 @@ async function importModuleDynamicallyCallback(wrap, specifier) {
     }
   }
   throw new ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING();
-}
-
-setInitializeImportMetaObjectCallback(initializeImportMetaObject);
-setImportModuleDynamicallyCallback(importModuleDynamicallyCallback);
+};
 
 let loaderResolve;
 exports.loaderPromise = new Promise((resolve, reject) => {
@@ -45,13 +40,12 @@ exports.loaderPromise = new Promise((resolve, reject) => {
 
 exports.ESMLoader = undefined;
 
-exports.setup = function() {
+exports.initializeLoader = function(cwd, userLoader) {
   let ESMLoader = new Loader();
   const loaderPromise = (async () => {
-    const userLoader = require('internal/options').getOptionValue('--loader');
     if (userLoader) {
       const hooks = await ESMLoader.import(
-        userLoader, pathToFileURL(`${process.cwd()}/`).href);
+        userLoader, pathToFileURL(`${cwd}/`).href);
       ESMLoader = new Loader();
       ESMLoader.hook(hooks);
       exports.ESMLoader = ESMLoader;