From 5c73799f520f1628eb481424fae152cce0e1ce01 Mon Sep 17 00:00:00 2001
From: "trop[bot]" <37223003+trop[bot]@users.noreply.github.com>
Date: Fri, 14 Mar 2025 09:58:19 +0100
Subject: [PATCH] fix: don't crash Web Workers on unhandled rejections (#46021)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
---
 shell/renderer/web_worker_observer.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/shell/renderer/web_worker_observer.cc b/shell/renderer/web_worker_observer.cc
index 44c2dc9edd0e..a3a1caf8ded6 100644
--- a/shell/renderer/web_worker_observer.cc
+++ b/shell/renderer/web_worker_observer.cc
@@ -85,6 +85,9 @@ void WebWorkerObserver::WorkerScriptReadyForEvaluation(
     }
   }
 
+  // We do not want to crash Web Workers on unhandled rejections.
+  env->options()->unhandled_rejections = "warn-with-error-code";
+
   // Add Electron extended APIs.
   electron_bindings_->BindTo(env->isolate(), env->process_object());