Resolving the Objects are not valid as a React child Error in Formik Storybook

Learn how to fix the `Objects are not valid as a React child` error when working with React, Formik, and Storybook by ensuring proper props are passed to your components.
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Troubleshooting the Objects are not valid as a React child Error in Formik Storybook

When working with React, Formik, and Storybook, developers often encounter various errors. One of the common errors reported is: Objects are not valid as a React child (found: object with keys {}). If you meant to render a collection of children, use an array instead.

This guide aims to explain what causes this error and how you can resolve it effectively while adding stories for your components, specifically a TextFormField.

Understanding the Problem

The error typically occurs when you're passing an object as a child to a React component but the component expects a string, number, JSX element, or other valid React nodes instead.

In the scenario described, the error emerged when adding a story for a TextFormField component. The component was already functioning correctly in other parts of the application, but it failed to render in Storybook due to missing properties from the props being passed.

Example of the Problematic Component

Here’s a brief look at the TextFormField component setup:

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

The Solution

To fix the Objects are not valid as a React child error, you need to ensure that the name prop is provided to your TextFormField. This prop defines which field in the Formik state this component should associate with.

Steps to Resolve

Locate the Story Definition: Find your story file where the TextFormField is defined.

Here is the modification needed:

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

Importance of the name Prop

Adding the name prop links the input field with Formik's state management, allowing it to handle input changes, track form validity, and display error messages if necessary. Without it, Formik loses context, leading to the aforementioned error.

Conclusion

When facing the Objects are not valid as a React child error in your React, Formik, and Storybook projects, check your component props carefully. Ensuring that all required props are provided will help avoid rendering errors.

Now that we've resolved the problem, you can continue building and testing your stories without interruptions!

If you have further questions or need clarification on React, Formik, or Storybook, feel free to reach out!