stream: replace Function.prototype with primordial

Sebastien-Ahkrin · codebytere · commit a987972bde48 · 2020-03-14T13:19:51.000-07:00
PR-URL: #31204 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
diff --git a/lib/_stream_writable.js b/lib/_stream_writable.js
@@ -27,6 +27,7 @@
 
 const{
 Array,
+ FunctionPrototype,
 ObjectDefineProperty,
 ObjectSetPrototypeOf,
 Symbol,
@@ -199,7 +200,7 @@ ObjectDefineProperty(WritableState.prototype, 'buffer',{
 // whose prototype chain only points to Readable.
 var realHasInstance;
 if (typeof Symbol === 'function' && SymbolHasInstance){
- realHasInstance = Function.prototype[SymbolHasInstance];
+ realHasInstance = FunctionPrototype[SymbolHasInstance];
 ObjectDefineProperty(Writable, SymbolHasInstance,{
 value: function(object){
 if (realHasInstance.call(this, object))

-Original file line number
+Diff line change
 const{
  Array,
 + FunctionPrototype,
  ObjectDefineProperty,
  ObjectSetPrototypeOf,
  Symbol,
 // whose prototype chain only points to Readable.
 varrealHasInstance;
 if(typeofSymbol==='function'&&SymbolHasInstance){
 -realHasInstance=Function.prototype[SymbolHasInstance];
 +realHasInstance=FunctionPrototype[SymbolHasInstance];
 ObjectDefineProperty(Writable,SymbolHasInstance,{
 value: function(object){
 if(realHasInstance.call(this,object))