getBackingMap function
Returns the underlying map object of either UiProps or UiState.
Used to take a typed factory object and get the underlying backing map.
Implementation
Map getBackingMap(Map map) {
if (map is JsBackedMap) return map;
if (map is component_base.UiProps) return getBackingMap(map.props);
if (map is component_base.UiState) return getBackingMap(map.state);
return map;
}