LibWeb: Implement Worker.postMessage(message, transfer)

Author: https://github.com/shannonbooth
Commit: bf81e2fd64
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2022

Userland/Libraries/LibWeb/HTML/Worker.cpp

@@ -132,6 +132,16 @@ WebIDL::ExceptionOr<void> Worker::post_message(JS::Value message, StructuredSeri
     return m_outside_port->post_message(message, options);
 }
 
+// https://html.spec.whatwg.org/multipage/workers.html#dom-worker-postmessage
+WebIDL::ExceptionOr<void> Worker::post_message(JS::Value message, Vector<JS::Handle<JS::Object>> const& transfer)
+{
+    // The postMessage(message, transfer) and postMessage(message, options) methods on Worker objects act as if,
+    // when invoked, they immediately invoked the respective postMessage(message, transfer) and
+    // postMessage(message, options) on the port, with the same arguments, and returned the same return value.
+
+    return m_outside_port->post_message(message, transfer);
+}
+
 #undef __ENUMERATE
 #define __ENUMERATE(attribute_name, event_name)                    \
     void Worker::set_##attribute_name(WebIDL::CallbackType* value) \

Userland/Libraries/LibWeb/HTML/Worker.h

@@ -36,6 +36,7 @@ public:
     WebIDL::ExceptionOr<void> terminate();
 
     WebIDL::ExceptionOr<void> post_message(JS::Value message, StructuredSerializeOptions const&);
+    WebIDL::ExceptionOr<void> post_message(JS::Value message, Vector<JS::Handle<JS::Object>> const& transfer);
 
     virtual ~Worker() = default;
 

Userland/Libraries/LibWeb/HTML/Worker.idl

@@ -10,8 +10,7 @@ interface Worker : EventTarget {
     constructor(DOMString scriptURL, optional WorkerOptions options = {});
 
     undefined terminate();
-    // FIXME: IDL overload issue here
+    undefined postMessage(any message, sequence<object> transfer);
-    // FIXME: undefined postMessage(any message, sequence<object> transfer);
     undefined postMessage(any message, optional StructuredSerializeOptions options = {});
 
     attribute EventHandler onmessage;