react.js

{() => Object.entries(this.state.lastAdded).length === 0 && false ? '' : (
<div>
    <h4>Last Added</h4>
    <p>Excercise: {this.state.lastAdded.excercise}</p>
    <p>Reps: {this.state.lastAdded.reps}</p>
    <p>Weight: {this.state.lastAdded.weight} kg</p>
    <p>Time Length: {this.state.lastAdded.timeLength}</p>
    <p>Notes: {this.state.lastAdded.notes}</p>
</div>
)}