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Package detail

formik-observer

ramitos134BSD-3-Clause1.0.1

npm [![License: BSD 3-clause "New" or "Revised" License](https://img.shields.io/badge/License-MPL%202.0-brightgreen.svg?style=flat-squa

formik, react, form, observer, change, listener, onchange, values

readme

formik-observer

npm License: BSD 3-clause "New" or "Revised" License standard-readme compliant

David David David

Table of Contents

Install

yarn add formik-observer
npm install formik-observer

Usage

import React from 'react';
import { Formik, Field, Form } from 'formik';
import FormikObserver from 'formik-observer';

export const Signup = () => (
  <div>
    <h1>My Cool Persisted Form</h1>
    <Formik
      onSubmit={values => console.log(values)}
      initialValues={{ firstName: '', lastName: '', email: '' }}
    >
      {props => (
        <Form className="whatever">
          <Field name="firstName" placeholder="First Name" />
          <Field name="lastName" placeholder="Last Name" />
          <Field name="email" type="email" placeholder="Email Address" />
          <button type="submit">Submit</button>
          <FormikObserver
            onChange={({ values }) => console.log('onchange', values)}
          />
        </Form>
      )}
    </Formik>
  </div>
);

License

BSD-3-Clause