🏁 React Final Form Listeners


---

🏁 React Final Form Listeners is a collection of useful components for listening to fields in a 🏁 React Final Form.

Installation

``bash
npm install --save react-final-form-listeners react-final-form final-form
`

or

`bash
yarn add react-final-form-listeners react-final-form final-form
`

Usage

`jsx
import { Form, Field } from 'react-final-form'
import { OnChange } from 'react-final-form-listeners'

const MyForm = () => (
onSubmit={onSubmit}
render={({ handleSubmit, pristine, invalid }) => (


* Components
* ExternallyChanged
* name : String
* children: (externallyChanged: boolean) => React.Node
* OnBlur
* name : String
* children: () => void
* OnChange
* name : String
* children: (value: any, previous: any) => void
* OnFocus
* name : String
* children: () => void

Components

The following can be imported from react-final-form-listeners.

$3

Renders is render prop with a boolean flag when the specified field was last updated externally (changed while not active).

#### name : String

The name of the field to listen to.

#### children: (externallyChanged: boolean) => React.Node

A render prop given the boolean flag.

$3

Calls its children callback whenever the specified field changes. It renders nothing.

#### name : String

The name of the field to listen to.

#### children: (value: any, previous: any) => void

A function that will be called whenever the specified field is changed. It is passed the new value and the previous value.

$3

Calls its children callback whenever the specified field becomes active. It renders nothing.

#### name : String

The name of the field to listen to.

#### children: () => void

A function that will be called whenever the specified field is changed. It is passed the new value and the previous value.

$3

Calls its children callback whenever the specified field is blurred. It renders nothing.

#### name : String

The name of the field to listen to.

#### children: () => void`

A function that will be called whenever the specified field is blurred.