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connect()

connect() is a higher-order component (HoC) that allows you to hook anything into Formik's context. It is used internally to construct <Field> and <Form>, but you can use it to build out new components as your needs change.


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import React from 'react';import { connect, getIn } from 'formik';  // This component renders an error message if a field has // an error and it's already been touched. const ErrorMessage = props => {   // All FormikProps available on props.formik!
   const error = getIn(props.formik.errors, props.name);
   const touch = getIn(props.formik.touched, props.name);
   return touch && error ? error : null; }; export default connect(ErrorMessage);