How to dynamically render a component in React Router Dom 6

Learn how to properly dynamically render components in React Router Dom 6 using conditional operators in your routing configurations.
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How to Dynamically Render a Component in React Router Dom 6

In the world of React, rendering components dynamically based on certain conditions is a common need, especially when it comes to routing protected resources. However, with the introduction of React Router Dom 6, developers need to adapt their previous methods to the new API.

The Problem

Many developers might find themselves struggling when trying to render components dynamically. Take a look at the following snippet from previous versions of React Router:

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

If you attempt to adapt your routing using the new element prop, you might encounter the error: "Functions are not valid as a React child." This is because the new API has altered how we provide the component to be rendered.

The Solution

To dynamically render components in React Router Dom 6 while managing authentication, you need to employ a different strategy. Here's how:

Step 1: Utilize the Conditional Operator

Instead of using an if statement directly within the JSX, utilize a conditional operator (? :). This allows you to conditionally render elements in a cleaner way.

Here's an updated version of the code where you handle rendering dynamically based on the authentication token:

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

Step 2: Loop through Your Routes

If you want to apply this dynamically to an array of route objects like authProtectedRoutes, your code could look like this:

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

Step 3: Ensure Proper Importing and Exports

If you're experiencing issues where the component may be undefined, double-check that you have properly exported the component from its file and imported it correctly in your routes file. Here’s how you can verify:

For Default Exports: Make sure you're importing the component like so:

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

For Named Exports: Ensure you’re using curly braces:

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

Conclusion

By using a conditional operator in your element prop for dynamic rendering in React Router Dom 6, you can easily manage routing for protected components. Remember to double-check your exports and imports to prevent any issues with component rendering. With these steps, you should have a robust routing configuration ready to deploy secure pages in your application.

Feel free to reach out if you have any more questions about React Router Dom or related topics!