From 6450334f5bbb059b55005cebfef57fa7969b625e Mon Sep 17 00:00:00 2001
From: Luca Casonato <hello@lcas.dev>
Date: Tue, 10 Oct 2023 18:42:31 +0900
Subject: feat(ext/web): cancel support for TransformStream (#20815)

---
 ext/web/lib.deno_web.d.ts | 1 +
 1 file changed, 1 insertion(+)

(limited to 'ext/web/lib.deno_web.d.ts')

diff --git a/ext/web/lib.deno_web.d.ts b/ext/web/lib.deno_web.d.ts
index 331c9536b..bcc0c12d8 100644
--- a/ext/web/lib.deno_web.d.ts
+++ b/ext/web/lib.deno_web.d.ts
@@ -933,6 +933,7 @@ declare interface Transformer<I = any, O = any> {
   readableType?: undefined;
   start?: TransformStreamDefaultControllerCallback<O>;
   transform?: TransformStreamDefaultControllerTransformCallback<I, O>;
+  cancel?: (reason: any) => Promise<void>;
   writableType?: undefined;
 }
 
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