lib: remove `inherits()` usage

This switches all `util.inherits()` calls to use
`Object.setPrototypeOf()` instead. In fact, `util.inherits()` is
mainly a small wrapper around exactly this function while adding
the `_super` property on the object as well.

Refs: #24395

PR-URL: https://github.com/nodejs/node/pull/24755
Refs: https://github.com/nodejs/node/issues/24395
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

1 files changed, 8 insertions, 9 deletions

diff --git a/lib/zlib.js b/lib/zlib.js
index 559f6c2d5f..ba7a3c5f05 100644
--- a/lib/zlib.js
+++ b/lib/zlib.js
@@ -31,7 +31,6 @@ const Transform = require('_stream_transform');
 const {
   deprecate,
   _extend,
-  inherits,
   types: {
     isAnyArrayBuffer,
     isArrayBufferView
@@ -318,7 +317,7 @@ function Zlib(opts, mode) {
   this._info = opts && opts.info;
   this.once('end', this.close);
 }
-inherits(Zlib, Transform);
+Object.setPrototypeOf(Zlib.prototype, Transform.prototype);
 
 Object.defineProperty(Zlib.prototype, '_closed', {
   configurable: true,
@@ -648,28 +647,28 @@ function Deflate(opts) {
     return new Deflate(opts);
   Zlib.call(this, opts, DEFLATE);
 }
-inherits(Deflate, Zlib);
+Object.setPrototypeOf(Deflate.prototype, Zlib.prototype);
 
 function Inflate(opts) {
   if (!(this instanceof Inflate))
     return new Inflate(opts);
   Zlib.call(this, opts, INFLATE);
 }
-inherits(Inflate, Zlib);
+Object.setPrototypeOf(Inflate.prototype, Zlib.prototype);
 
 function Gzip(opts) {
   if (!(this instanceof Gzip))
     return new Gzip(opts);
   Zlib.call(this, opts, GZIP);
 }
-inherits(Gzip, Zlib);
+Object.setPrototypeOf(Gzip.prototype, Zlib.prototype);
 
 function Gunzip(opts) {
   if (!(this instanceof Gunzip))
     return new Gunzip(opts);
   Zlib.call(this, opts, GUNZIP);
 }
-inherits(Gunzip, Zlib);
+Object.setPrototypeOf(Gunzip.prototype, Zlib.prototype);
 
 function DeflateRaw(opts) {
   if (opts && opts.windowBits === 8) opts.windowBits = 9;
@@ -677,21 +676,21 @@ function DeflateRaw(opts) {
     return new DeflateRaw(opts);
   Zlib.call(this, opts, DEFLATERAW);
 }
-inherits(DeflateRaw, Zlib);
+Object.setPrototypeOf(DeflateRaw.prototype, Zlib.prototype);
 
 function InflateRaw(opts) {
   if (!(this instanceof InflateRaw))
     return new InflateRaw(opts);
   Zlib.call(this, opts, INFLATERAW);
 }
-inherits(InflateRaw, Zlib);
+Object.setPrototypeOf(InflateRaw.prototype, Zlib.prototype);
 
 function Unzip(opts) {
   if (!(this instanceof Unzip))
     return new Unzip(opts);
   Zlib.call(this, opts, UNZIP);
 }
-inherits(Unzip, Zlib);
+Object.setPrototypeOf(Unzip.prototype, Zlib.prototype);
 
 function createConvenienceMethod(ctor, sync) {
   if (sync) {