Method onUpdateState

src/react/component.ts:24–24

* Listen to the Component state update event * @param listener

(listener: (prevState: S, nextState: S) => void)

     * @param listener
     */
    onUpdateState(listener: (prevState: S, nextState: S) => void): void;
    /**
     * Remove the Component update event listening, default is remove all,
     * also you can remove one by pass the listener