En la compilación, hay un error en esta página que indica TypeError: Children is not a function react-visibility-sensor
class VisibilitySensor extends Component { constructor(props) { super(props); this.state = { active: true }; } render() { const { active } = this.state; const { once, children, ...theRest } = this.props; return ( <VSensor active={active} onChange={isVisible => once && isVisible && this.setState({ active: false }) } {...theRest} > {({ isVisible }) => children({ isVisible })} </VSensor> ); } }