FieldArray Children Type

FieldArrayChildren.js

<Formik initialValues={{ diet: [] }}>
  {(formProps) => (
   <Form>
     <FieldArray name="diet">
       {(arrayHelpers) => {
         return (
           <Form>
             {/**  whatever you need to do */}
           </Form>
         );
       )}
     </FieldArray
   </Form>
  )}
</Formik>