From 34fb380ed38ff324202b7779ae850edab133e577 Mon Sep 17 00:00:00 2001
From: Marcos Casagrande <marcoscvp90@gmail.com>
Date: Tue, 25 Oct 2022 14:22:37 +0200
Subject: feat(ext/web): use ArrayBuffer.was_detached() (#16307)

This PR adds a way to reliably check if an ArrayBuffer was detached
---
 ext/web/06_streams.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'ext/web/06_streams.js')

diff --git a/ext/web/06_streams.js b/ext/web/06_streams.js
index 52488efb6..6dbf69951 100644
--- a/ext/web/06_streams.js
+++ b/ext/web/06_streams.js
@@ -193,7 +193,13 @@
    * @returns {boolean}
    */
   function isDetachedBuffer(O) {
-    return ReflectHas(O, isFakeDetached);
+    if (O.byteLength !== 0) {
+      return false;
+    }
+    // TODO(marcosc90) remove isFakeDetached once transferArrayBuffer
+    // actually detaches the buffer
+    return ReflectHas(O, isFakeDetached) ||
+      core.ops.op_arraybuffer_was_detached(O);
   }
 
   /**
-- 
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