Repro:
<script>
new MouseEvent("click", { view: window });
</script>Error: Unhandled JavaScript exception: [TypeError] Not an object of type Window
Relevant generated code in MouseEventConstructor.cpp:
JS::GCPtr<Window> view_value_23;
if (!view_property_value_23.is_nullish()) {
if (!view_property_value_23.is_object() || !is<Window>(view_property_value_23.as_object()))
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "Window");
view_value_23 = &static_cast<Window&>(view_property_value_23.as_object());
}
event_init_dict.view = view_value_23;If I manually edit this to be the following (+ a WindowProxy include at the top of the file), it works as expected:
JS::GCPtr<Window> view_value_23;
if (!view_property_value_23.is_nullish()) {
if (!view_property_value_23.is_object() || !is<WindowProxy>(view_property_value_23.as_object()))
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "Window");
view_value_23 = static_cast<WindowProxy&>(view_property_value_23.as_object()).window();
}
event_init_dict.view = view_value_23;
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