I also have this issue with the empty element.
When I create a dummy class.
import com.vaadin.flow.component.Component; import com.vaadin.flow.component.HasSize; import com.vaadin.flow.component.Tag; import com.vaadin.flow.component.dependency.JsModule; import com.vaadin.flow.component.dependency.NpmPackage;@Tag(“lit-signature-pad”)
@JsModule(“./@f0rce/signature-widget.js”)
@NpmPackage(
value = “signature_pad”,
version = “4.0.4”
)
public class DummySignaturePad extends Component implements HasSize {}
The element show.