Passing Different State with React Router Link to the Same URL

Описание: Learn how to effectively use `React Router Link` to navigate to the same URL while sending different state parameters by utilizing the `useLocation` hook.
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This video is based on the question https://stackoverflow.com/q/76337445/ asked by the user 'pandu' ( https://stackoverflow.com/u/19032485/ ) and on the answer https://stackoverflow.com/a/76337731/ provided by the user 'Drew Reese' ( https://stackoverflow.com/u/8690857/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Navigating with React Router: Sending Different State to the Same URL

When working on a React application that uses React Router for navigation, you might find yourself in a situation where you need to open the same URL but send different state values based on the action performed. This can be especially challenging when you are already on the destination path and want the page to react to the new state without refreshing. If this sounds like a problem you've encountered, you've come to the right place!

The Challenge

Let's say you have multiple links that navigate to the same route, but you want each link to carry a different state. For example, you might need to send unique information about each vehicle model or a specific identifier when clicking on a respective link. The common obstacle here is that when you click on a link to the same URL, the page does not refresh, and hence the state does not update as expected.

Example Scenario

Suppose you have two links that both point to "/ecgo-5" but should send different state values:

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

When you are already viewing "/ecgo-5" and click the second link, the browser does not refresh, and thus the state update you wish to implement doesn't occur.

The Solution

You can solve this problem by properly handling state changes within the component that retrieves the state from the route. Here's how you can achieve this.

Step 1: Set up Your Links

You need to create links that send different state values:

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

Step 2: Use the useLocation Hook

In the component that renders the ecgo-5 route, you can use the useLocation hook from react-router-dom to access the current state:

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

Step 3: React to State Changes

By using the useEffect hook, your component can "listen" for changes to location.state. Each time the id changes when you navigate via the links, this effect will run. You can then implement any necessary business logic or UI updates based on the new id.

Summary

In summary, when working with React Router to send different state to the same URL, remember to utilize the useLocation hook in your target component. Leverage the useEffect hook to reactively handle any changes in state, allowing you to maintain an interactive and responsive application without refreshing the page.

This approach ensures that your application behaves as expected, making it easier to manage state transitions effectively across your navigation.

Now you're all set to implement this dynamic functionality in your projects! If you have any questions or need further assistance, feel free to reach out. Happy coding!