stream: add writableCorked to Duplex

PR-URL: #29053 Reviewed-By: Anna Henningsen <anna@addaleax.net>
nodejs · Nov 17, 2019 · 41720d7 · 41720d7
1 parent 642b0b8
commit 41720d7
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/lib/_stream_duplex.js b/lib/_stream_duplex.js
@@ -108,6 +108,16 @@ Object.defineProperty(Duplex.prototype, 'writableFinished', {
   }
 });
 
+Object.defineProperty(Duplex.prototype, 'writableCorked', {
+  // Making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get() {
+    return this._writableState ? this._writableState.corked : 0;
+  }
+});
+
 Object.defineProperty(Duplex.prototype, 'writableEnded', {
   // Making it explicit this property is not enumerable
   // because otherwise some prototype manipulation in