stream: fix duplicate logic in stream destroy

Fix duplicate logic in stream destroy as the same logic is being shared
across methods and thus can be encapsulated into a single method.
PR-URL: #35727
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Ricky Zhou <0x19951125@gmail.com>

Author: yashLadha

lib/internal/streams/destroy.js

@@ -8,6 +8,20 @@ const { Symbol } = primordials;
 constkDestroy=Symbol('kDestroy');
 constkConstruct=Symbol('kConstruct');
 
+functioncheckError(err,w,r){
+if(err){
+// Avoid V8 leak, https://github.com/nodejs/node/pull/34103#issuecomment-652002364
+err.stack;
+
+if(w&&!w.errored){
+w.errored=err;
+}
+if(r&&!r.errored){
+r.errored=err;
+}
+}
+}
+
 // Backwards compat. cb() is undocumented and unused in core but
 // unfortunately might be used by modules.
 functiondestroy(err,cb){
@@ -24,20 +38,10 @@ function destroy(err, cb) {
 returnthis;
 }
 
-if(err){
-// Avoid V8 leak, https://github.com/nodejs/node/pull/34103#issuecomment-652002364
-err.stack;
-
-if(w&&!w.errored){
-w.errored=err;
-}
-if(r&&!r.errored){
-r.errored=err;
-}
-}
 
 // We set destroyed to true before firing error callbacks in order
 // to make it re-entrance safe in case destroy() is called within callbacks
+checkError(err,w,r);
 
 if(w){
 w.destroyed=true;
@@ -66,17 +70,7 @@ function _destroy(self, err, cb) {
 
 called=true;
 
-if(err){
-// Avoid V8 leak, https://github.com/nodejs/node/pull/34103#issuecomment-652002364
-err.stack;
-
-if(w&&!w.errored){
-w.errored=err;
-}
-if(r&&!r.errored){
-r.errored=err;
-}
-}
+checkError(err,w,r);
 
 if(w){
 w.closed=true;