1 files changed, 40 insertions, 0 deletions
diff --git a/dom/webtransport/api/WebTransportError.h b/dom/webtransport/api/WebTransportError.h
new file mode 100644
index 0000000000..a4b4e088e3
--- /dev/null
+++ b/dom/webtransport/api/WebTransportError.h
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef DOM_WEBTRANSPORT_API_WEBTRANSPORTERROR__H_
+#define DOM_WEBTRANSPORT_API_WEBTRANSPORTERROR__H_
+
+#include "mozilla/dom/DOMException.h"
+#include "mozilla/dom/WebTransportErrorBinding.h"
+
+namespace mozilla::dom {
+class WebTransportError final : public DOMException {
+ public:
+  explicit WebTransportError(
+      const nsACString& aMessage,
+      WebTransportErrorSource aSource = WebTransportErrorSource::Stream,
+      Nullable<uint8_t> aCode = Nullable<uint8_t>())
+      : DOMException(NS_OK, aMessage, "WebTransportError"_ns, 0),
+        mStreamErrorCode(aCode),
+        mSource(aSource) {}
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<WebTransportError> Constructor(
+      const GlobalObject& aGlobal, const WebTransportErrorInit& aInit);
+
+  WebTransportErrorSource Source() { return mSource; }
+  Nullable<uint8_t> GetStreamErrorCode() const { return mStreamErrorCode; }
+
+ private:
+  Nullable<uint8_t> mStreamErrorCode;
+  const WebTransportErrorSource mSource;
+};
+
+}  // namespace mozilla::dom
+
+#endif