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Learn how to make menu items in `Ant Design` sidebar active by dynamically updating their state based on the current URL using `React Router`.
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How to Make Ant Design Sidebar Menu Active Based on Current URL

In many web applications, sidebar navigation plays a crucial role in helping users understand where they are in the interface. However, when you’re working with dynamic routing in React using libraries like React Router, you may run into issues where the active state of your sidebar menu doesn’t reflect the current URL. This can lead to a confusing user experience, as the selected menu item may not properly indicate the current view.

In this guide, we'll discuss how to ensure that the menu items in your Ant Design sidebar are highlighted based on the current URL, addressing a common problem many developers face.

The Problem

Imagine you have an application with the following requirements:

You have a sidebar menu using Ant Design that displays various items.

Clicking on a menu item updates the URL and the associated item displays as selected, as expected.

However, navigating to a new URL from a component (like a button click transitioning to a new view) does not update the selected state of the sidebar menu.

Here's an example of how your sidebar could look in code:

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

The Challenge

After implementing the sidebar, you might notice that when transitioning to the /add-recipe view using a button on the dashboard, the corresponding menu item does not become active (or selected) since it wasn’t clicked directly. This inconsistency can confuse users, making it unclear which section of the app they are currently viewing.

The Solution

To effectively manage the active state of the sidebar menu based on the current URL, you can utilize React Router's useLocation hook along with Ant Design's Menu component. Here’s how to implement this solution step-by-step.

Step 1: Import Required Hooks

First, you need to import the necessary hooks and components from React and React Router:

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

Step 2: Set Up Your Navigation Component

Now, you will create a functional component called Navigation which will manage the state of the currently selected menu item:

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

Step 3: How It Works

Using useLocation Hook: This hook provides the current URL of the application, allowing for dynamic changes to the selected menu item.

Managing State: By using useState, we keep track of the currently selected menu item. The initial state can be set based on the current pathname.

Updating State on Location Change: The useEffect hook watches for changes in the location and updates the current state accordingly to reflect the new URL.

Menu Item Keys: Ensure that the keys of the Menu.Item components match the paths of the routes. This ensures that the correct item is marked as active.

Conclusion

With this approach, you successfully create a sidebar navigation in your Ant Design application that reflects the active route, even when navigating via buttons or other links. By leveraging React Router hooks and managing the state effectively, you enhance the user experience, making your application navigation more intuitive.

If you have experienced similar challenges or have other tips for managing navigation in React, feel free to share in the comments below!