LibWeb: Add definitions from '2.2.3. Statuses' in the Fetch spec

Author: https://github.com/linusg
Commit: 1694279dd8
Pull-request: https://github.com/SerenityOS/serenity/pull/14568
Reviewed-by: https://github.com/trflynn89 ✅

Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Statuses.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Forward.h>
+
+namespace Web::Fetch {
+
+// https://fetch.spec.whatwg.org/#concept-status
+// A status is an integer in the range 0 to 999, inclusive.
+using Status = u16;
+
+[[nodiscard]] bool is_null_body_status(Status);
+[[nodiscard]] bool is_ok_status(Status);
+[[nodiscard]] bool is_redirect_status(Status);
+
+}