const { parentState } = props; State.init({ flag: true, }); console.log({ props, state }); if (parentState) { const changeParentState = () => { console.log(parentState.loading); parentState.loading = !parentState.loading; State.update({ flag: !state.flag, }); }; return <button onClick={(_) => changeParentState()}>click me</button>; } return <div>hello</div>;