From 025d4f606b3b04d88c8bb2710fd2e567bf639d22 Mon Sep 17 00:00:00 2001
From: Moumita <36885121+MoumitaM@users.noreply.github.com>
Date: Mon, 22 Jul 2024 17:09:36 +0530
Subject: [PATCH] fix: prevent default rejection handling (#1791)

---
 .../analytics-js/src/services/ErrorHandler/ErrorHandler.ts    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/analytics-js/src/services/ErrorHandler/ErrorHandler.ts b/packages/analytics-js/src/services/ErrorHandler/ErrorHandler.ts
index 3f53509fc..14417c5ab 100644
--- a/packages/analytics-js/src/services/ErrorHandler/ErrorHandler.ts
+++ b/packages/analytics-js/src/services/ErrorHandler/ErrorHandler.ts
@@ -67,6 +67,10 @@ class ErrorHandler implements IErrorHandler {
       (globalThis as typeof window).addEventListener(
         'unhandledrejection',
         (event: PromiseRejectionEvent) => {
+          if (!(event.reason instanceof Error)) {
+            // Prevent the default handling by the browser
+            event.preventDefault();
+          }
           this.onError(event, undefined, undefined, undefined, ErrorType.UNHANDLEDREJECTION);
         },
       );