# @react-hook/change

> A React hook that invokes a callback anytime a value changes

Latest version **1.0.0** (published 2020-06-05) · MIT license · 0 weekly downloads

## Install

```sh
npm install @react-hook/change
pnpm add @react-hook/change
yarn add @react-hook/change
bun add @react-hook/change
```

## Health

**Score 30/100 (F)** — status: abandoned.

Positive: has types; esm support; no vulnerabilities; high quality score.

Warnings: low downloads.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 1.0.0 |
| Published | 2020-06-05 |
| First published | 2020-06-05 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 2 |
| Unpacked size | 13.7 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 1529 |
| Author | Jared Lunde |
| Maintainers | jaredlunde |
| Keywords | react, react hook, change hook, react change hook, react onchange hook, onchagne hook |

## Links

- npm: https://www.npmjs.com/package/@react-hook/change
- Repository: https://github.com/jaredLunde/react-hook
- Homepage: https://github.com/jaredLunde/react-hook/tree/master/packages/change#readme
- Issues: https://github.com/jaredLunde/react-hook/issues
- npm.io page: https://npm.io/package/@react-hook/change

## Dependencies (2)

- [@react-hook/latest](https://npm.io/package/@react-hook/latest.md) ^1.0.2
- [@react-hook/previous](https://npm.io/package/@react-hook/previous.md) ^1.0.1

## Alternatives

- [mobx-react](https://npm.io/package/mobx-react.md) — 2.8M weekly downloads
- [rc-tree](https://npm.io/package/rc-tree.md) — 2.6M weekly downloads
- [@react-oauth/google](https://npm.io/package/@react-oauth/google.md) — 1.3M weekly downloads
- [@wagmi/connectors](https://npm.io/package/@wagmi/connectors.md) — 877.0K weekly downloads
- [vee-validate](https://npm.io/package/vee-validate.md) — 836.4K weekly downloads

## Recent versions

- 1.0.0 (latest) — 2020-06-05

## README

<hr>
<div align="center">
  <h1 align="center">
    useChange()
  </h1>
</div>

<p align="center">
  <a href="https://bundlephobia.com/result?p=@react-hook/change">
    <img alt="Bundlephobia" src="https://img.shields.io/bundlephobia/minzip/@react-hook/change?style=for-the-badge&labelColor=24292e">
  </a>
  <a aria-label="Types" href="https://www.npmjs.com/package/@react-hook/change">
    <img alt="Types" src="https://img.shields.io/npm/types/@react-hook/change?style=for-the-badge&labelColor=24292e">
  </a>
  <!--
  <a aria-label="Code coverage report" href="https://codecov.io/gh/jaredLunde/react-hook">
    <img alt="Code coverage" src="https://img.shields.io/codecov/c/gh/jaredLunde/react-hook?style=for-the-badge&labelColor=24292e">
  </a>
  <a aria-label="Build status" href="https://travis-ci.com/jaredLunde/react-hook">
    <img alt="Build status" src="https://img.shields.io/travis/com/jaredLunde/react-hook?style=for-the-badge&labelColor=24292e">
  </a>
  -->
  <a aria-label="NPM version" href="https://www.npmjs.com/package/@react-hook/change">
    <img alt="NPM Version" src="https://img.shields.io/npm/v/@react-hook/change?style=for-the-badge&labelColor=24292e">
  </a>
  <a aria-label="License" href="https://jaredlunde.mit-license.org/">
    <img alt="MIT License" src="https://img.shields.io/npm/l/@react-hook/change?style=for-the-badge&labelColor=24292e">
  </a>
</p>

<pre align="center">npm i @react-hook/change</pre>
<hr>

A React hook that invokes a callback anytime a value changes

## Quick Start

```jsx harmony
import useChange from '@react-hook/change'

const useChangeLog = (value) => {
  // Logs the value each time it changes
  useChange(value, console.log)
}
```

## API

### useChange(value, onChange)

```ts
const useChange = <T extends any>(
  value: T,
  onChange: (current: T, prev: T) => any
): void
```

| Argument | Type                           | Required? | Description                                           |
| -------- | ------------------------------ | --------- | ----------------------------------------------------- |
| value    | `T`                            | Yes       | The value to watch for changes to                     |
| onChange | `(current: T, prev: T) => any` | Yes       | This callback is invoked any time the `value` changes |

### Returns `void`

## LICENSE

MIT

---
_Source: https://npm.io/package/@react-hook/change · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._