zlib: avoid converting Uint8Array instances to Buffer

PR-URL: #39492
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Zeyu Yang <himself65@outlook.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: aduh95

lib/zlib.js

@@ -34,7 +34,6 @@ const {
  ObjectDefineProperties,
  ObjectDefineProperty,
  ObjectFreeze,
- ObjectGetPrototypeOf,
  ObjectKeys,
  ObjectSetPrototypeOf,
  ReflectApply,
@@ -60,7 +59,8 @@ const {
 }=require('internal/util');
 const{
  isArrayBufferView,
- isAnyArrayBuffer
+ isAnyArrayBuffer,
+ isUint8Array,
 }=require('internal/util/types');
 constbinding=internalBinding('zlib');
 constassert=require('internal/assert');
@@ -112,10 +112,9 @@ for (const ckey of ObjectKeys(codes)) {
 
 functionzlibBuffer(engine,buffer,callback){
 validateFunction(callback,'callback');
-// Streams do not support non-Buffer ArrayBufferViews yet. Convert it to a
+// Streams do not support non-Uint8Array ArrayBufferViews yet. Convert it to a
 // Buffer without copying.
-if(isArrayBufferView(buffer)&&
-ObjectGetPrototypeOf(buffer)!==Buffer.prototype){
+if(isArrayBufferView(buffer)&&!isUint8Array(buffer)){
 buffer=Buffer.from(buffer.buffer,buffer.byteOffset,buffer.byteLength);
 }elseif(isAnyArrayBuffer(buffer)){
 buffer=Buffer.from(buffer);