From 415726b8c47940640b4a2c4275097d6efb42dcf3 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronagy@icloud.com>
Date: Sat, 13 Nov 2021 15:08:14 +0200
Subject: [PATCH] stream: add writableAborted

PR-URL: https://github.com/nodejs/node/pull/40802
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 doc/api/stream.md                             | 12 +++++++++
 lib/internal/streams/writable.js              | 11 ++++++++
 test/parallel/test-stream-writable-aborted.js | 26 +++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 test/parallel/test-stream-writable-aborted.js

diff --git a/doc/api/stream.md b/doc/api/stream.md
index a8ed097f37bf00..c20afc5f8dce25 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -596,6 +596,18 @@ added: v11.4.0
 Is `true` if it is safe to call [`writable.write()`][stream-write], which means
 the stream has not been destroyed, errored or ended.
 
+##### `writable.writableAborted`
+
+<!-- YAML
+added: REPLACEME
+-->
+
+> Stability: 1 - Experimental
+
+* {boolean}
+
+Returns whether the stream was destroyed or errored before emitting `'finish'`.
+
 ##### `writable.writableEnded`
 
 <!-- YAML
diff --git a/lib/internal/streams/writable.js b/lib/internal/streams/writable.js
index 3826499af4ad4c..54ddfbaccab81b 100644
--- a/lib/internal/streams/writable.js
+++ b/lib/internal/streams/writable.js
@@ -864,6 +864,17 @@ ObjectDefineProperties(Writable.prototype, {
       return this._writableState ? this._writableState.errored : null;
     }
   },
+
+  writableAborted: {
+    enumerable: false,
+    get: function() {
+      return !!(
+        this._writableState.writable !== false &&
+        (this._writableState.destroyed || this._writableState.errored) &&
+        !this._writableState.finished
+      );
+    }
+  },
 });
 
 const destroy = destroyImpl.destroy;
diff --git a/test/parallel/test-stream-writable-aborted.js b/test/parallel/test-stream-writable-aborted.js
new file mode 100644
index 00000000000000..01d638115bd106
--- /dev/null
+++ b/test/parallel/test-stream-writable-aborted.js
@@ -0,0 +1,26 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+const { Writable } = require('stream');
+
+{
+  const writable = new Writable({
+    write() {
+    }
+  });
+  assert.strictEqual(writable.writableAborted, false);
+  writable.destroy();
+  assert.strictEqual(writable.writableAborted, true);
+}
+
+{
+  const writable = new Writable({
+    write() {
+    }
+  });
+  assert.strictEqual(writable.writableAborted, false);
+  writable.end();
+  writable.destroy();
+  assert.strictEqual(writable.writableAborted, true);
+}