From c68fce4d250ae9d99d567e33c542586f7cc8ed8c Mon Sep 17 00:00:00 2001
From: Ivan Demchuk <ivan.demchuk@gmail.com>
Date: Tue, 1 Feb 2022 11:08:22 +0200
Subject: [PATCH] fix: add a fallback if error fails to serialize (#660)

---
 packages/vitest/src/runtime/error.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/vitest/src/runtime/error.ts b/packages/vitest/src/runtime/error.ts
index a768348c6480..b530a21df236 100644
--- a/packages/vitest/src/runtime/error.ts
+++ b/packages/vitest/src/runtime/error.ts
@@ -62,5 +62,10 @@ export function processError(err: any) {
   if (typeof err.actual !== 'string')
     err.actual = stringify(err.actual)
 
-  return serializeError(err)
+  try {
+    return serializeError(err)
+  }
+  catch (e: any) {
+    return serializeError(new Error(`Failed to fully serialize error: ${e?.message}.\nInner error message: ${err?.message}`))
+  }
 }