Скачать или смотреть Solving the RangeError: Maximum call stack size exceeded in React Redux Forms

Discover how to fix the issue of infinite loops in your React Redux forms caused by the `onReset` handler in Formik. Learn best practices and avoid common traps.
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This video is based on the question https://stackoverflow.com/q/68261029/ asked by the user 'Sławek Filip' ( https://stackoverflow.com/u/13847544/ ) and on the answer https://stackoverflow.com/a/68261763/ provided by the user 'Will Jenkins' ( https://stackoverflow.com/u/93812/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Understanding and Solving the RangeError: Maximum call stack size exceeded in React Redux Forms

In the realm of React development, especially when working with complex forms using libraries like Formik, developers may encounter various perplexing errors. One such issue that often comes up is the dreaded RangeError: Maximum call stack size exceeded. This error can leave you scratching your head, especially if your application seems to be functioning correctly aside from the reset handling. In this post, we'll dive deep into the problem, identify why it happens, and provide a clear solution to rectify it.

The Problem

In a situation where you are utilizing React, Redux, and Formik alongside a UI library like react-bootstrap, you may implement a form that includes a reset button. This button is designed to clear the form fields and return them to their initial state. However, upon clicking this reset button, you might experience the frustrating RangeError, which indicates that the code has fallen into an infinite loop.

This may occur due to the following sequence of events:

You click the reset button.

The Formik onReset event is triggered, which invokes your onResetAction method.

Inside the onResetAction, you call helpers.resetForm().

The resetForm function resets the form, which triggers the onReset event once again, leading back to step 2, creating an infinite loop.

The symptoms are clear: every time you attempt to reset the form, it results in a stack overflow due to this circular call.

The Solution

To fix this infinite loop, you have to modify how the reset button operates to prevent it from calling resetForm() within the onReset method. Here’s how you can do it, broken down into clear steps:

Step 1: Avoid Using resetForm in onReset

The first and foremost change involves removing the call to resetForm from your onResetAction. Instead, you should directly handle the reset action without invoking Formik's built-in reset functionalities.

Step 2: Set Up a Regular Button for Resetting

Instead of letting your reset button trigger the Formik onReset, you should bind your custom onResetAction to a standard button's onClick event. Here’s how you can implement it:

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

Here’s a modified snippet of your DeclarationsFilter component that incorporates this adjustment:

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

Step 3: Update the onResetAction method

Your onResetAction should now simply clear the filters without having to call resetForm(). Here’s a refined version:

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

Conclusion

By following these adjustments, you can efficiently bypass the infinite loop that results in the RangeError: Maximum call stack size exceeded. This solution not only resolves your immediate issue but also provides a clearer structure to your form reset handling.

Final Thoughts

Errors like these can be incredibly frustrating, especially when they arise from seemingly simple interactions. However, with the right understanding and application of best practices, you can navigate the complexities of React forms with ease. Remember, it's crucial to maintain a clear separation between different event handlers to prevent unintended consequences.

By implementing the tactics discussed in this guide, you can enhance the robustness of your forms and provide a smoother user experience in your React Redux applications.