From f798a0cfe8372e7df62d9514e6785e6f16549d25 Mon Sep 17 00:00:00 2001
From: dave caruso <me@paperdave.net>
Date: Fri, 2 Jun 2023 22:03:16 -0400
Subject: fix readableStreamToArrayBuffer (#3181)

* fix discord.js again

* remove one of the async hooks warnings

* clarify hardcoded modules docs
---
 src/js/builtins/ReadableStream.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'src/js/builtins/ReadableStream.ts')

diff --git a/src/js/builtins/ReadableStream.ts b/src/js/builtins/ReadableStream.ts
index 613f869e5..26b85fb6b 100644
--- a/src/js/builtins/ReadableStream.ts
+++ b/src/js/builtins/ReadableStream.ts
@@ -132,12 +132,14 @@ export function readableStreamToArrayBuffer(stream: ReadableStream<ArrayBuffer>)
     return $readableStreamToArrayBufferDirect(stream, underlyingSource);
   }
 
-  var array = Bun.readableStreamToArray(stream);
-  if ($isPromise(array)) {
-    return array.$then(Bun.concatArrayBuffers);
+  var result = Bun.readableStreamToArray(stream);
+  if ($isPromise(result)) {
+    // `result` is an InternalPromise, which doesn't have a `.$then` method
+    // but `.then` isn't user-overridable, so we can use it safely.
+    return result.then(Bun.concatArrayBuffers);
   }
 
-  return Bun.concatArrayBuffers(array);
+  return Bun.concatArrayBuffers(result);
 }
 
 $linkTimeConstant;
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