From ad29d9ffb3340814ceda768ed60f5ea0a7a65ca4 Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Wed, 12 Oct 2022 23:48:41 -0700
Subject: Fix `cancel` not working in some cases in ReadableStream

---
 src/bun.js/builtins/js/ReadableStreamInternals.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/bun.js/builtins/js/ReadableStreamInternals.js')

diff --git a/src/bun.js/builtins/js/ReadableStreamInternals.js b/src/bun.js/builtins/js/ReadableStreamInternals.js
index cbe72c99e..e59372d24 100644
--- a/src/bun.js/builtins/js/ReadableStreamInternals.js
+++ b/src/bun.js/builtins/js/ReadableStreamInternals.js
@@ -1614,7 +1614,17 @@ function readableStreamCancel(stream, reason) {
   @readableStreamClose(stream);
 
   var controller = @getByIdDirectPrivate(stream, "readableStreamController");
-  return controller.@cancel(controller, reason).@then(function () {});
+  var cancel = controller.@cancel;
+  if (cancel) {
+    return cancel(controller, reason).@then(function () {});
+  }
+
+  var close = controller.close;
+  if (close) {
+    return @Promise.@resolve(controller.close(reason));
+  }
+
+  @throwTypeError("ReadableStreamController has no cancel or close method");
 }
 
 function readableStreamDefaultControllerCancel(controller, reason) {
-- 
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