stream: remove unreachable code

To avoid a function call `BufferList.prototype.concat()` is not called when there is only a buffer in the list. That buffer is instead accessed directly. Backport-PR-URL: #19483 PR-URL: #18239 Reviewed-By: Matteo Collina <[email protected]>
nodejs · Mar 30, 2018 · 8f830ca · 8f830ca
1 parent 49d8c2e
commit 8f830ca
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/lib/internal/streams/BufferList.js b/lib/internal/streams/BufferList.js
@@ -58,8 +58,6 @@ BufferList.prototype.join = function(s) {
 BufferList.prototype.concat = function(n) {
   if (this.length === 0)
     return Buffer.alloc(0);
-  if (this.length === 1)
-    return this.head.data;
   const ret = Buffer.allocUnsafe(n >>> 0);
   var p = this.head;
   var i = 0;