From b482a50299ae4f636a186038460e54af65e2b627 Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Fri, 8 Nov 2024 18:46:11 +0530
Subject: feat(ext/http): abort event when request is cancelled (#26781)

```js
Deno.serve(async (req) => {
  const { promise, resolve } = Promise.withResolvers<void>();

  req.signal.addEventListener("abort", () => {
    resolve();
  });

  await promise;

  return new Response("Ok");
});
```
---
 ext/http/00_serve.ts | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'ext/http/00_serve.ts')

diff --git a/ext/http/00_serve.ts b/ext/http/00_serve.ts
index 8cfd7ad53..7bf83e49c 100644
--- a/ext/http/00_serve.ts
+++ b/ext/http/00_serve.ts
@@ -11,10 +11,10 @@ import {
   op_http_cancel,
   op_http_close,
   op_http_close_after_finish,
-  op_http_get_request_cancelled,
   op_http_get_request_headers,
   op_http_get_request_method_and_url,
   op_http_read_request_body,
+  op_http_request_on_cancel,
   op_http_serve,
   op_http_serve_on,
   op_http_set_promise_complete,
@@ -375,11 +375,16 @@ class InnerRequest {
     return this.#external;
   }
 
-  get isCancelled() {
+  onCancel(callback) {
     if (this.#external === null) {
-      return true;
+      callback();
+      return;
     }
-    return op_http_get_request_cancelled(this.#external);
+
+    PromisePrototypeThen(
+      op_http_request_on_cancel(this.#external),
+      callback,
+    );
   }
 }
 
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