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README.md

Mux Node SDK

build status npm version

Official Mux API wrapper for Node projects.

This library is intended to provide Mux API convenience methods for applications written in server-side Javascript. Please note that this package uses Mux access tokens and secret keys and is intended to be used in server-side code only.

Not familiar with Mux? Check out https://mux.com/ for more information.

Documentation

See the Mux-Node docs

Installation

npm install @mux/mux-node --save

or

yarn add @mux/mux-node

Usage

To start, you will need a Mux access token and secret for your Mux environment. For more information on where to get an access token, visit the Mux Getting Started guide https://docs.mux.com/docs

Require the @mux/mux-node npm module and create a Mux instance. Your Mux instance will have Data and Video properties that will allow you to access the Mux Data and Video APIs.

const Mux = require('@mux/mux-node');
const { Video, Data } = new Mux(accessToken, secret);

If a token ID and secret aren't included as parameters, the SDK will attempt to use the MUX_TOKEN_ID and MUX_TOKEN_SECRET environment variables.

// assume process.env.MUX_TOKEN_ID and process.env.MUX_TOKEN_SECRET contain your credentials
const muxClient = new Mux(); // Success!

As an example, you can create a Mux asset and playback ID by using the below functions on your Video instance.

// Create an asset
const asset = await Video.Assets.create({
  input: 'https://storage.googleapis.com/muxdemofiles/mux-video-intro.mp4',
});
// ...then later, a playback ID for that asset
const playbackId = await Video.Assets.createPlaybackId(asset.id, {
  policy: 'public',
});

Or, if you don't have the files online already, you can ingest one via the direct uploads API.

const request = require('request');
let upload = await Video.Uploads.create({
  new_asset_settings: { playback_policy: 'public' },
});

// The URL you get back from the upload API is resumable, and the file can be uploaded using a `PUT` request (or a series of them).
await fs.createReadStream('/path/to/your/file').pipe(request.put(upload.url));

// The upload may not be updated immediately, but shortly after the upload is finished you'll get a `video.asset.created` event and the upload will now have a status of `asset_created` and a new `asset_id` key.
let updatedUpload = await Video.Uploads.get(upload.id);

// Or you could decide to go get additional information about that new asset you created.
let asset = await Video.Assets.get(updatedUpload['asset_id']);

You can access the Mux Data API in the same way by using your Data instance. For example, you can list all of the values across every breakdown for the aggregate_startup_time metric by using the below function.

const breakdown = await Data.Metrics.breakdown('aggregate_startup_time', {
  group_by: 'browser',
});

Usage Details

Every function will return a chainable Promise.

Video.Assets.create({
  input: 'https://storage.googleapis.com/muxdemofiles/mux-video-intro.mp4',
}).then(asset => {
  /* Do things with the asset */
});

JWT Helpers (API Reference)

You can use any JWT-compatible library, but we've included some light helpers in the SDK to make it easier to get up and running.

// Assuming you have your signing key specified in your environment variables:
// Signing token ID: process.env.MUX_SIGNING_KEY
// Signing token secret: process.env.MUX_PRIVATE_KEY

// Most simple request, defaults to type video and is valid for 7 days.
const token = Mux.JWT.sign('some-playback-id');
// https://stream.mux.com/some-playback-id.m3u8?token=${token}

// If you wanted to sign a thumbnail
const thumbParams = { time: 14, width: 100 }
const thumbToken = Mux.JWT.sign('some-playback-id', { type: 'thumbnail', params: thumbParams });
// https://image.mux.com/some-playback-id/thumbnail.jpg?token=${token}

// If you wanted to sign a gif
const gifToken = Mux.JWT.sign('some-playback-id', { type: 'gif' });
// https://image.mux.com/some-playback-id/animated.gif?token=${token}

request and response events

The SDK returns the data key for every object, because in the Mux API that's always the thing you actually want to see. Sometimes, however, it's useful to see more details about the request being made or the full response object. You can listen for request and response events to get these raw objects.

muxClient.on('request', req => {
  // Request will contain everything being sent such as `headers, method, base url, etc
});

muxClient.on('response', res => {
  // Response will include everything returned from the API, such as status codes/text, headers, etc
});

See the Mux-Node docs for a list of all available functions.

Development

Run unit tests: npm test or npm run test:unit

Run integration tests: npm run test:int

Note: running the integration tests will require you to configure the MUX_TOKEN_ID and MUX_TOKEN_SECRET environment variables with your Mux access token and secret.

To generate the ESDocs, run:

yarn esdoc
open ./docs/index.html

Contributing

Find a bug or want to add a useful feature? That'd be amazing! If you'd like to submit a pull request to the project with changes, please do something along these lines:

  1. Fork the project wherever you'd like
  2. Create a meaningful branch name that relates to your contribution. Consider including an issue number if available. git co -b add-node-lts-support
  3. Make any changes you'd like in your forked branch.
  4. Add any relevant tests for your changes
  5. Open the pull request! 🎉
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