How can I implement advanced error handling in React Router?

How can I implement advanced error handling in React Router?

You can implement advanced error handling in React Router by using the ErrorBoundary component to catch errors in your routes.

Can you show me an example of how to set up an ErrorBoundary?

Sure! Here's a simple example:

import React from 'react';

class ErrorBoundary extends React.Component {
  constructor(props) {
    super(props);
    this.state = { hasError: false };
  }

  static getDerivedStateFromError(error) {
    return { hasError: true };
  }

  componentDidCatch(error, info) {
    console.error('Error caught in ErrorBoundary:', error);
  }

  render() {
    if (this.state.hasError) {
      return <h1>Something went wrong.</h1>;
    }
    return this.props.children;
  }
}

You can wrap your routes with this ErrorBoundary.

What happens if an error occurs in a nested route?

If an error occurs in a nested route, the nearest ErrorBoundary will catch it. You can have multiple ErrorBoundary components at different levels of your route hierarchy.

Is there a way to log errors to an external service?

Yes, you can log errors in the componentDidCatch method of your ErrorBoundary. You can send the error details to an external logging service like Sentry or LogRocket.