The revalidation process in react-hook-form doesn't seem to initiate

Stumbled upon a code example here

Decided to fork a sandbox version (original had bugs and errors)

I am trying to implement custom validation callbacks for each form input element by providing options in the register function, but the validate is only triggered upon submission even though I've set reValidateMode to "onChange" in the useForm configuration.

The question now is how can I trigger the validate function on the onChange event in the scenario described in the sandbox?

Answer №1

However, validation is only activated during form submission even if useForm is configured.

This is because reValidateMode is only triggered after the form is submitted. To validate before submitting the form, you need to use the mode property for events like onChange and onBlur.

Learn more

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