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https://github.com/twitch-js/twitch-js

A community-centric, community-supported version of tmi.js
https://github.com/twitch-js/twitch-js

api bot broadcast javascript message messaging stream tmi twitch typescript websocket ws

Last synced: 8 days ago
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A community-centric, community-supported version of tmi.js

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# [TwitchJS](https://twitch-js.netlify.com/)

[![Build status](https://img.shields.io/github/workflow/status/twitch-js/twitch-js/ci?style=flat-square)](https://github.com/twitch-js/twitch-js/actions)
[![Coverage status](https://img.shields.io/codecov/c/github/twitch-js/twitch-js/next.svg?longCache=true&style=flat-square)](https://codecov.io/gh/twitch-js/twitch-js/branch/next)
[![NPM version](https://img.shields.io/npm/v/twitch-js.svg?longCache=true&style=flat-square)](https://www.npmjs.com/package/twitch-js)
[![NPM downloads](https://img.shields.io/npm/dm/twitch-js.svg?longCache=true&style=flat-square)](https://www.npmjs.com/package/twitch-js)
[![GitHub issues](https://img.shields.io/github/issues-raw/twitch-js/twitch-js.svg?longCache=true&style=flat-square)](https://github.com/twitch-js/twitch-js/issues)
[![GitHub bug issues](https://img.shields.io/github/issues-raw/twitch-js/twitch-js/bug?style=flat-square)](https://github.com/twitch-js/twitch-js/issues?q=is%3Aopen+is%3Aissue+label%3Abug)

A community-centric, community-supported Twitch JavaScript SDK.

## Features

- Aligns with official
[Twitch IRC documentation](https://dev.twitch.tv/docs/irc/)
- Forward-compatible, low-level, minimally-assertive architecture
- Supports Node environments
- Supports Browsers
- Supports TypeScript
- Connect to multiple channels
- Chat commands
- Rate limiter

### In progress...

Here are the
[planned features](https://github.com/twitch-js/twitch-js/milestones). If you
feel something is missing, create an issue or submit a PR against the next
branch.

## Documentation

1. [Getting started](#getting-started)
2. [Authentication](#authentication)
3. [Examples](#examples)
4. [Interacting with Twitch chat](https://twitch-js.netlify.com/classes/chat.html)
5. [Making requests to Twitch API](https://twitch-js.netlify.com/classes/api.html)
6. [Reference](https://twitch-js.netlify.com/globals.html)

## Getting started

### Module bundler (CJS/ESM)

If you are using a module bundler, such as [Webpack](https://webpack.js.org/),
[Browserify](http://browserify.org/), or a in a Node environment:

1. Add TwitchJS to your project:
```bash
npm install --save twitch-js
```
2. Import TwitchJS

```js
// ES2015 syntax
import TwitchJs from 'twitch-js'

// OR ES5 syntax
var TwitchJs = require('twitch-js')

const twitchJs = new TwitchJs({ username, token })
```

### Browser (IIFE)

If you are not using a module bundler, precompiled builds are available in the
[`dist` folder](https://unpkg.com/twitch-js@>2.0.0-beta/dist/):

1. Include a script tag in your HTML:
```html

```
2. Consume the library:
```html

const twitchJs = new window.TwitchJs({ username, token })

```

## Authentication

### Obtaining a client ID

To obtain a client ID, follow the
[instructions](https://dev.twitch.tv/docs/authentication/#registration) found in
the [Twitch Developers documentation](https://dev.twitch.tv/docs).

### Obtaining a token

With a client ID,
[tokens may be generated](https://dev.twitch.tv/docs/authentication/#getting-tokens)
on behalf of your users.

To quickly get started without a client ID, you may generate token using the
following, community-maintained, sites:

1. [Twitch Token Generator](https://twitchtokengenerator.com)
2. [Twitch Chat OAuth Password Generator](https://twitchapps.com/tmi)

### Refreshing tokens

To help with refreshing tokens, an `onAuthenticationFailure` function may be
provided to the Messaging and API clients. `onAuthenticationFailure()` must
return a `Promise` that resolves with the refreshed token. Upon resolution, any
actions that yielded an _expired token_ response will be retried with the new,
refreshed token.

#### Handling token refresh example

```js
// Optionally, use fetchUtil to help.
import fetchUtil from 'twitch-js/lib/utils/fetch'

const refreshToken = 'eyJfaWQmNzMtNGCJ9%6VFV5LNrZFUj8oU231/3Aj'
const clientId = 'fooid'
const secret = 'barbazsecret'

const onAuthenticationFailure = () =>
fetchUtil('https://id.twitch.tv/oauth2/token', {
method: 'post',
search: {
grant_type: 'refresh_token',
refresh_token: refreshToken,
client_id: clientId,
client_secret: clientSecret,
},
}).then((response) => response.accessToken)

const token = 'cfabdegwdoklmawdzdo98xt2fo512y'
const username = 'ronni'
const twitchJs = new TwitchJs({ token, username, onAuthenticationFailure })

twitchJs.chat.connect().then((globalUserState) => {
// Do stuff ...
})
```

See
[Refreshing access tokens](https://dev.twitch.tv/docs/authentication/#refreshing-access-tokens)
for more information.

### More information

See the
[Twitch Developers documentation](https://dev.twitch.tv/docs/authentication) for
more information on authentication.

## Examples

Examples are provided via [CodeSandbox](https://codesandbox.io):

- [Browser](https://codesandbox.io/s/twitch-js-browser-example-upf4x)
- [Node](https://codesandbox.io/s/twitch-js-node-example-mnel5)
- [TypeScript](https://codesandbox.io/s/twitch-js-typescript-example-tnnys)

## Contribution guidelines

If you wish to contribute, please see the
[CONTRIBUTING](https://github.com/twitch-js/twitch-js/blob/master/CONTRIBUTING.md)
doc.

## Special thanks

[Schmoopiie](https://github.com/Schmoopiie) and all the
[original contributors](https://github.com/tmijs/tmi.js/graphs/contributors) of
`tmi.js`.

## License

MIT

TwitchJS is not affiliated, associated, authorized, endorsed by, or in any way
officially connected with [Twitch](https://www.twitch.tv/), or any of its
subsidiaries or its affiliates. The name "Twitch" as well as related names,
marks, emblems and images are registered trademarks of
[Twitch](https://www.twitch.tv/).