From 9c76260756865011331342146410c8feb6b53b4c Mon Sep 17 00:00:00 2001
From: Feng Yu <f3n67u@outlook.com>
Date: Fri, 13 Dec 2024 16:55:57 -0800
Subject: [PATCH] LibWeb: Sync statusText check with spec update

Synced change from https://github.com/whatwg/fetch/pull/1795.

No functional changes; only update comments to reflect the latest
spec.
---
 Libraries/LibWeb/Fetch/Response.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibWeb/Fetch/Response.cpp b/Libraries/LibWeb/Fetch/Response.cpp
index 6d3c13362126..6eac1a90e280 100644
--- a/Libraries/LibWeb/Fetch/Response.cpp
+++ b/Libraries/LibWeb/Fetch/Response.cpp
@@ -87,7 +87,7 @@ GC::Ref<Response> Response::create(JS::Realm& realm, GC::Ref<Infrastructure::Res
 // https://httpwg.org/specs/rfc9112.html#status.line
 static bool is_valid_status_text(StringView status_text)
 {
-    // A status text is a valid status text if it matches the reason-phrase token production.
+    // A status text is valid if it is either the empty string or matches the reason-phrase token production.
     // reason-phrase  = 1*( HTAB / SP / VCHAR / obs-text )
     // VCHAR          = %x21-7E
     // obs-text       = %x80-FF
@@ -103,7 +103,7 @@ WebIDL::ExceptionOr<void> Response::initialize_response(ResponseInit const& init
     if (init.status < 200 || init.status > 599)
         return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "Status must be in range 200-599"sv };
 
-    // 2. If init["statusText"] does not match the reason-phrase token production, then throw a TypeError.
+    // 2. If init["statusText"] is not the empty string and does not match the reason-phrase token production, then throw a TypeError.
     if (!is_valid_status_text(init.status_text))
         return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Invalid statusText: does not match the reason-phrase token production"sv };