How to use the react-ga.modalview function in react-ga

componentDidUpdate(prevProps, prevState) {
    // Parse server errors for account add
    if (get(prevProps, 'lockupError') !== this.props.lockupError) {
      this.handleServerError(this.props.lockupError)
    }

    if (prevState.modalState !== this.state.modalState) {
      ReactGA.modalview(`/lockup/${this.state.modalState.toLowerCase()}`)
    }
  }

componentDidUpdate(prevProps, prevState) {
    // Parse server errors for account add
    if (get(prevProps, 'accountError') !== this.props.accountError) {
      this.handleServerError(this.props.accountError)
    }
    // Parse server errors for transfer add
    if (get(prevProps, 'transferError') !== this.props.transferError) {
      this.handleServerError(this.props.transferError)
    }
    if (prevState.modalState !== this.state.modalState) {
      ReactGA.modalview(`/withdraw/${this.state.modalState.toLowerCase()}`)
    }
  }

constructor(props) {
        super(props);
        this.props = props;

        GA.modalview('/info');
    }

modalview: (modalName) => {
        GoogleAnalytics.modalview(modalName);
    },
    event: (args) => {

showModal: function(modalClass, modalProps) {
    ga.modalview(modalClass.displayName);
    this.context.showModal(modalClass, modalProps);
  },
  hideModal: function() {

componentDidMount() {
    ReactGA.modalview(`/lockup/${this.state.modalState.toLowerCase()}`)
  }

componentDidMount() {
    ReactGA.modalview(`/withdraw/${this.state.modalState.toLowerCase()}`)
  }

function Modal({
  children,
  className,
  isOpen,
  onRequestClose,
  screenReaderLabel,
  shouldCloseOnOverlayClick,
}) {
  if (process.env.NODE_ENV === 'production') {
    ReactGA.modalview(screenReaderLabel);
  }

  return (
    
      
      <div>{children}</div>
    
  );
}

export function trackDialogView(name: string) {
  if (EnvChecker.isProdBrowser()) {
    ReactGA.modalview(name);
  }
}

componentDidUpdate(prevProps, prevState) {
    if (get(prevProps, 'otcError') !== this.props.otcError) {
      this.handleServerError(this.props.otcError)
    }

    if (prevState.modalState !== this.state.modalState) {
      ReactGA.modalview(`/otcRequest/${this.state.modalState.toLowerCase()}`)
    }
  }