How to use a custom component with react-router route transitions?

Question

The article Confirming Navigation explains how to use a browser confirmation box in your transition hook. Fine. But I want to use my own Dialog box. If I were to use the methods

Answer 1

I made it work by setting a boolean on state whether you have confirmed to navigate away (using react-router 2.8.x). As it says in the link you posted: https://github.com/ReactTraining/react-router/blob/master/docs/guides/ConfirmingNavigation.md

return false to prevent a transition w/o prompting the user

However, they forget to mention that the hook should be unregistered as well, see here and here.

We can use this to implement our own solution as follows:

class YourComponent extends Component {
  constructor() {
    super();

    const {route} = this.props;
    const {router} = this.context;

    this.onCancel = this.onCancel.bind(this);
    this.onConfirm = this.onConfirm.bind(this);

    this.unregisterLeaveHook = router.setRouteLeaveHook(
      route,
      this.routerWillLeave.bind(this)
    );
  }

  componentWillUnmount() {
    this.unregisterLeaveHook();
  }

  routerWillLeave() {
    const {hasConfirmed} = this.state;
    if (!hasConfirmed) {
      this.setState({showConfirmModal: true});

      // Cancel route change
      return false;
    }

    // User has confirmed. Navigate away
    return true;
  }

  onCancel() {
    this.setState({showConfirmModal: false});
  }

  onConfirm() {
    this.setState({hasConfirmed: true, showConfirmModal: true}, function () {
      this.context.router.goBack();
    }.bind(this));
  }

  render() {
    const {showConfirmModal} = this.state;

    return (
      
    );
  }
}

YourComponent.contextTypes = {
  router: routerShape
};