Скачать или смотреть How to Redirect to Another Component in a Class Component with ReactJS

Learn how to effectively redirect to a different component in a ReactJS class component without using useHistory(). This guide covers simple steps and best practices.
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This video is based on the question https://stackoverflow.com/q/62579838/ asked by the user 'Roffulus' ( https://stackoverflow.com/u/13585601/ ) and on the answer https://stackoverflow.com/a/62579968/ provided by the user 'codingwithmanny' ( https://stackoverflow.com/u/11317072/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Redirecting to Another Component in a ReactJS Class Component

When working with ReactJS, developers often need to navigate between components based on user actions. This is straightforward in functional components thanks to hooks like useHistory(). However, what if you're working with a class component and don't want to switch to functional programming? In this guide, I'll guide you on how to redirect to another component using class components in ReactJS without using useHistory().

Understanding the Problem

You've implemented a registration form within a class component but are unsure how to redirect users to the login page upon successful registration. Here’s the code excerpt for your Register component:

[[See Video to Reveal this Text or Code Snippet]]

In the above code, while you're correctly collecting user input and handling the registration, there's no redirection implemented after a successful registration. Let's look at how to implement that properly.

Solution: Using withRouter and this.props.history

To achieve redirection in your class component, you can leverage the withRouter higher-order component provided by react-router-dom. Here’s how you can implement this:

Step 1: Wrap Your Component with withRouter

This step will provide your component access to the router's history object, which is necessary for programmatic navigation.

Modify your component export as follows:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Utilize the history Prop

Once your component is wrapped with withRouter, you can access the history object via this.props.history. To redirect after successful registration, use the push method:

Update your registerUser function to include the redirection:

[[See Video to Reveal this Text or Code Snippet]]

Final Thoughts

Redirecting to another component in a ReactJS class component requires a bit of setup using the withRouter function to access the history prop. By following the steps outlined above, you're not only ensuring a smooth user experience but also adhering to React best practices.

If you have further questions on React routing or need assistance with any specific issues in your app, don’t hesitate to reach out!