Function gjs_lookup_interface_constructor

gi/interface.cpp:165–182

// clang-format on

bool gjs_lookup_interface_constructor(JSContext* cx, GType gtype,
                                      JS::MutableHandleValue value_p) {
    GI::Repository repo;
    Maybe<GI::AutoRegisteredTypeInfo> interface_info{repo.find_by_gtype(gtype)};
    if (!interface_info) {
        gjs_throw(cx, "Cannot expose non introspectable interface %s",
                  g_type_name(gtype));
        return false;
    }

    JSObject* constructor =
        gjs_lookup_generic_constructor(cx, interface_info.ref());
    if (G_UNLIKELY(!constructor))
        return false;

    value_p.setObject(*constructor);
    return true;
}