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Learn how to debounce your `createAsyncThunk` functions in Redux Toolkit to optimize your application's performance and handle asynchronous actions more efficiently.
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How to Effectively Debounce createAsyncThunk in Redux Toolkit

If you're making the shift from Redux to Redux Toolkit, you might encounter some challenges along the way. One common issue developers face is debouncing asynchronous thunk actions. This guide will guide you through how to properly debounce createAsyncThunk leveraging the power of Lodash’s debounce function.

Understanding the Problem

When migrating from traditional Redux to Redux Toolkit, you might find that debouncing logic you've implemented doesn't operate as expected. For instance, in your previous implementation using a simple async function, debouncing worked seamlessly. However, upon switching to createAsyncThunk, it fails to execute as intended.

Example of Migration Issues

You may start with something like this:

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When attempting to implement createAsyncThunk:

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You find that the debounce function does not seem to execute properly.

The Solution: Correctly Debouncing createAsyncThunk

To achieve the desired debouncing effect with createAsyncThunk, the solution is to separate the logic of the asynchronous operation from the debounce functionality. Here’s how you can do that:

Step-by-Step Guide

Define the Action: Start by creating an action that updates the application state.

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Separate the Async Logic: Extract the async logic into a standalone function.

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Implement Debouncing: Apply debounce directly to your handler.

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Export the Debounced createAsyncThunk: Finally, use the debounced handler in your createAsyncThunk.

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Final Code Example

Here’s how your final debounced thunk should look:

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Conclusion

By following these steps, you can effectively debounce your createAsyncThunk in Redux Toolkit, leading to better performance and user experience in your application. Remember, separating the async logic from the debounce function is key to ensuring that everything runs smoothly. Happy coding!