From da65d8a5d1d546ed0cd838dad77b5804d3598c94 Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Wed, 7 Apr 2021 12:00:00 +0200
Subject: [PATCH 1/2] =?UTF-8?q?lib:=20cache=C2=A0`process.binding(?=
 =?UTF-8?q?=E2=80=A6)`=C2=A0wrappers?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Refs: https://github.com/nodejs/node/pull/37819
---
 lib/internal/legacy/processbinding.js      | 19 +++++++++++++++++--
 test/parallel/test-process-binding-util.js |  2 ++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/lib/internal/legacy/processbinding.js b/lib/internal/legacy/processbinding.js
index 3d48e3c9882e58..fd357643801ff0 100644
--- a/lib/internal/legacy/processbinding.js
+++ b/lib/internal/legacy/processbinding.js
@@ -2,13 +2,14 @@
 const {
   ArrayPrototypeFilter,
   ArrayPrototypeIncludes,
+  ArrayPrototypeMap,
   ObjectFromEntries,
   ObjectEntries,
   SafeArrayIterator,
 } = primordials;
-const { types } = require('util');
+const types = require('internal/util/types');
 
-module.exports = {
+const factories = {
   util() {
     return ObjectFromEntries(new SafeArrayIterator(ArrayPrototypeFilter(
       ObjectEntries(types),
@@ -34,3 +35,17 @@ module.exports = {
       })));
   }
 };
+
+module.exports = ObjectFromEntries(
+  new SafeArrayIterator(
+    ArrayPrototypeMap(ObjectEntries(factories), ({ 0: key, 1: factory }) => {
+      let result;
+      return [key, () => {
+        if (!result) {
+          result = factory();
+        }
+        return result;
+      }];
+    }),
+  ),
+);
diff --git a/test/parallel/test-process-binding-util.js b/test/parallel/test-process-binding-util.js
index d1e602de681cfa..b59f20ddffe8c5 100644
--- a/test/parallel/test-process-binding-util.js
+++ b/test/parallel/test-process-binding-util.js
@@ -28,3 +28,5 @@ assert.deepStrictEqual(
 for (const k of Object.keys(utilBinding)) {
   assert.strictEqual(utilBinding[k], util.types[k]);
 }
+
+assert.strictEqual(utilBinding, process.binding('util'));

From b57a51762268c0089a0c9246a56ccc70eb207e34 Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Wed, 7 Apr 2021 18:00:00 +0200
Subject: [PATCH 2/2] =?UTF-8?q?lib:=20cache=C2=A0`process.binding(?=
 =?UTF-8?q?=E2=80=A6)`=C2=A0wrappers=20in=C2=A0`loaders.js`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lib/internal/bootstrap/loaders.js     |  7 ++++++-
 lib/internal/legacy/processbinding.js | 17 +----------------
 2 files changed, 7 insertions(+), 17 deletions(-)

diff --git a/lib/internal/bootstrap/loaders.js b/lib/internal/bootstrap/loaders.js
index bdc328ae5eacad..b585b4af2e3db6 100644
--- a/lib/internal/bootstrap/loaders.js
+++ b/lib/internal/bootstrap/loaders.js
@@ -136,13 +136,18 @@ const legacyWrapperList = new SafeSet([
           'DEP0111');
       }
       if (legacyWrapperList.has(module)) {
-        return nativeModuleRequire('internal/legacy/processbinding')[module]();
+        return bindingObj[module] ??=
+          nativeModuleRequire('internal/legacy/processbinding')[module]();
       }
       return internalBinding(module);
     }
     // eslint-disable-next-line no-restricted-syntax
     throw new Error(`No such module: ${module}`);
   };
+}
+
+{
+  const bindingObj = ObjectCreate(null);
 
   process._linkedBinding = function _linkedBinding(module) {
     module = String(module);
diff --git a/lib/internal/legacy/processbinding.js b/lib/internal/legacy/processbinding.js
index fd357643801ff0..9a0efb74c548d5 100644
--- a/lib/internal/legacy/processbinding.js
+++ b/lib/internal/legacy/processbinding.js
@@ -2,14 +2,13 @@
 const {
   ArrayPrototypeFilter,
   ArrayPrototypeIncludes,
-  ArrayPrototypeMap,
   ObjectFromEntries,
   ObjectEntries,
   SafeArrayIterator,
 } = primordials;
 const types = require('internal/util/types');
 
-const factories = {
+module.exports = {
   util() {
     return ObjectFromEntries(new SafeArrayIterator(ArrayPrototypeFilter(
       ObjectEntries(types),
@@ -35,17 +34,3 @@ const factories = {
       })));
   }
 };
-
-module.exports = ObjectFromEntries(
-  new SafeArrayIterator(
-    ArrayPrototypeMap(ObjectEntries(factories), ({ 0: key, 1: factory }) => {
-      let result;
-      return [key, () => {
-        if (!result) {
-          result = factory();
-        }
-        return result;
-      }];
-    }),
-  ),
-);