From 3b99f6833cd3354da20785fdcf01e7409e610175 Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Tue, 12 Nov 2024 17:10:07 +0530
Subject: fix(ext/websocket): initialize `error` attribute of WebSocket
 ErrorEvent (#26796)

Fixes https://github.com/denoland/deno/issues/26216

Not required by the spec but Discord.js depends on it, see
https://github.com/denoland/deno/issues/26216#issuecomment-2466060306
---
 ext/websocket/01_websocket.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'ext/websocket/01_websocket.js')

diff --git a/ext/websocket/01_websocket.js b/ext/websocket/01_websocket.js
index 58f477310..468999b95 100644
--- a/ext/websocket/01_websocket.js
+++ b/ext/websocket/01_websocket.js
@@ -28,6 +28,7 @@ const {
   ArrayPrototypePush,
   ArrayPrototypeShift,
   ArrayPrototypeSome,
+  Error,
   ErrorPrototypeToString,
   ObjectDefineProperties,
   ObjectPrototypeIsPrototypeOf,
@@ -488,8 +489,11 @@ class WebSocket extends EventTarget {
           /* error */
           this[_readyState] = CLOSED;
 
+          const message = op_ws_get_error(rid);
+          const error = new Error(message);
           const errorEv = new ErrorEvent("error", {
-            message: op_ws_get_error(rid),
+            error,
+            message,
           });
           this.dispatchEvent(errorEv);
 
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