From 026dbaafd4a850bdf76ff51eae73112b45d9dd22 Mon Sep 17 00:00:00 2001
From: Christian Biesinger <cbiesinger@chromium.org>
Date: Mon, 28 Oct 2024 15:02:33 -0400
Subject: [PATCH] Handle errors from JSON serialization. (#666)

---
 spec/index.bs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spec/index.bs b/spec/index.bs
index e102209b..9ee1e37f 100644
--- a/spec/index.bs
+++ b/spec/index.bs
@@ -1208,6 +1208,7 @@ To <dfn>fetch an identity assertion</dfn> given a {{USVString}}
     1. If |provider|'s {{IdentityProviderRequestOptions/params}} is not empty:
         1. Let |json| be the result of [=serializing a JavaScript value to a JSON string=]
             with |provider|'s {{IdentityProviderRequestOptions/params}}.
+        1. If serializing threw an exception, return failure.
         1. Append ("params", |json|) to |list|.
     1. Let |requestBody| be the result of running [=urlencoded serializer=] with |list|.
     1. Let |request| be a new <a spec=fetch for=/>request</a> as follows: