1 files changed, 9 insertions, 0 deletions
diff --git a/lib/_http_outgoing.js b/lib/_http_outgoing.js
index a4a2b3ab14..ef7c8c6577 100644
--- a/lib/_http_outgoing.js
+++ b/lib/_http_outgoing.js
@@ -109,6 +109,15 @@ function OutgoingMessage() {
 Object.setPrototypeOf(OutgoingMessage.prototype, Stream.prototype);
 Object.setPrototypeOf(OutgoingMessage, Stream);
 
+Object.defineProperty(OutgoingMessage.prototype, 'writableFinished', {
+  get: function() {
+    return (
+      this.finished &&
+      this.outputSize === 0 &&
+      (!this.socket || this.socket.writableLength === 0)
+    );
+  }
+});
 
 Object.defineProperty(OutgoingMessage.prototype, '_headers', {
   get: internalUtil.deprecate(function() {