[Question] Validate only if field is dirty

Hello,

I am using Final Form. I have an e-mail field that is optional.

How would you validate only if the user tried to enter a wrong e-mail? I have succeeded to do this but I didn`t like the solution:

import * as vld from 'redux-form-validators';

<Field name="email" label="E-mail de Contato" placeholder="Deixe seu e-mail" component={TextInputField} validate={emailIfNotEmpty} />

The custom validator code is like this:

const emailIfNotEmpty = (value, allValues, meta) => { if (meta.dirty) { return vld.email()(value); } }

Can you suggest a better approach?

Kind Regards,
Mário

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