LibWeb/ServiceWorker: Add ServiceWorker event names

Libraries/LibWeb/CMakeLists.txt

@@ -725,6 +725,7 @@ set(SOURCES
     ResizeObserver/ResizeObserverSize.cpp
     ResourceTiming/PerformanceResourceTiming.cpp
     SecureContexts/AbstractOperations.cpp
+    ServiceWorker/EventNames.cpp
     ServiceWorker/Job.cpp
     ServiceWorker/Registration.cpp
     ServiceWorker/ServiceWorker.cpp

Libraries/LibWeb/ServiceWorker/EventNames.cpp

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2025, Shannon Booth <shannon@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/ServiceWorker/EventNames.h>
+
+namespace Web::ServiceWorker::EventNames {
+
+#define __ENUMERATE_SERVICE_WORKER_EVENT(name) \
+    FlyString name = #name##_fly_string;
+ENUMERATE_SERVICE_WORKER_EVENTS
+#undef __ENUMERATE_SERVICE_WORKER_EVENT
+
+}

Libraries/LibWeb/ServiceWorker/EventNames.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025, Shannon Booth <shannon@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/FlyString.h>
+
+namespace Web::ServiceWorker::EventNames {
+
+#define ENUMERATE_SERVICE_WORKER_EVENTS        \
+    __ENUMERATE_SERVICE_WORKER_EVENT(activate) \
+    __ENUMERATE_SERVICE_WORKER_EVENT(fetch)    \
+    __ENUMERATE_SERVICE_WORKER_EVENT(install)  \
+    __ENUMERATE_SERVICE_WORKER_EVENT(message)  \
+    __ENUMERATE_SERVICE_WORKER_EVENT(messageerror)
+
+#define __ENUMERATE_SERVICE_WORKER_EVENT(name) extern FlyString name;
+ENUMERATE_SERVICE_WORKER_EVENTS
+#undef __ENUMERATE_SERVICE_WORKER_EVENT
+
+}