What are the best practices for async validation in Formik?

What are the best practices for async validation in Formik?

When using async validation in Formik, it's important to debounce your validation function to avoid excessive calls.

How can I implement debouncing in my validation function?

You can use a library like lodash to debounce your validation function. For example, use _.debounce to limit the frequency of calls.

Are there any specific libraries you recommend for async validation?

Yes, libraries like Yup and Joi are popular for schema validation and can be easily integrated with Formik for async validation.

What should I do if my async validation fails?

If async validation fails, you should display an appropriate error message to the user and ensure the form state reflects the error.