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NEW: Please check out our Best Practices Guide for building video applications with twilio-video.js.

IMPORTANT: Please upgrade to the latest version of twilio-video.js to avoid breaking changes in Chrome in early 2020 (removal of Plan B). See this advisory for details.

twilio-video.js

NPM CircleCI Windows Build status

For 1.x, go here.

twilio-video.js allows you to add real-time voice and video to your web apps.

We want your feedback! Email [email protected] with suggested improvements, feature requests and general feedback, or feel free to open a GitHub issue. If you need technical support, contact [email protected].

Browser Support

Chrome Edge (Chromium) Firefox Safari
Android ✓ - ✓ -
iOS * - * ✓
Linux ✓ - ✓ -
macOS ✓ ✓ ** ✓ ✓
Windows ✓ ✓ ** ✓ -

* Chrome and Firefox for iOS do not have access to WebRTC APIs, unlike Safari for iOS.

** twilio-video.js supports the Chromium-based Edge browser.

Installation

NPM

npm install twilio-video --save

Using this method, you can require twilio-video.js like so:

const Video = require('twilio-video');

CDN

Releases of twilio-video.js are hosted on a CDN, and you can include these directly in your web app using a <script> tag.

<script src="//media.twiliocdn.com/sdk/js/video/releases/2.5.1/twilio-video.min.js"></script>

Using this method, twilio-video.js will set a browser global:

const Video = Twilio.Video;

Usage

The following is a simple example for connecting to a Room. For more information, refer to the API Docs.

const Video = require('twilio-video');

Video.connect('$TOKEN', { name: 'room-name' }).then(room => {
  console.log('Connected to Room "%s"', room.name);

  room.participants.forEach(participantConnected);
  room.on('participantConnected', participantConnected);

  room.on('participantDisconnected', participantDisconnected);
  room.once('disconnected', error => room.participants.forEach(participantDisconnected));
});

function participantConnected(participant) {
  console.log('Participant "%s" connected', participant.identity);

  const div = document.createElement('div');
  div.id = participant.sid;
  div.innerText = participant.identity;

  participant.on('trackSubscribed', track => trackSubscribed(div, track));
  participant.on('trackUnsubscribed', trackUnsubscribed);

  participant.tracks.forEach(publication => {
    if (publication.isSubscribed) {
      trackSubscribed(div, publication.track);
    }
  });

  document.body.appendChild(div);
}

function participantDisconnected(participant) {
  console.log('Participant "%s" disconnected', participant.identity);
  document.getElementById(participant.sid).remove();
}

function trackSubscribed(div, track) {
  div.appendChild(track.attach());
}

function trackUnsubscribed(track) {
  track.detach().forEach(element => element.remove());
}

Changelog

See CHANGELOG.md.

Content Security Policy (CSP)

Want to enable CSP in a way that's compatible with twilio-video.js? Use the following policy directives:

connect-src wss://global.vss.twilio.com wss://sdkgw.us1.twilio.com
media-src mediastream:

If you're loading twilio-video.js from media.twiliocdn.com, you should also include the following script-src directive:

script-src https://media.twiliocdn.com

Keep in mind, you may need to merge these policy directives with your own if you're using other services.

License

See LICENSE.md.

Building

Fork and clone the repository. Then, install dependencies with

npm install

Then run the build script:

npm run build

The builds and docs will be placed in the dist/ directory.

Testing

Run unit tests with

npm run test:unit

Run integration tests with

ACCOUNT_SID=<Your account sid> \
API_KEY_SID=<Your api key sid> \
API_KEY_SECRET=<Your api key secret> \
BROWSER=<Browser you'd like to use> \
npm run test:integration

You can add these optional variables to control the integration test execution :

  • Topology : Decides which type of rooms to test against.
  • Debug : To get better source mapping, and the browser does not close after tests are run which allows you to easily step through code to debug.
  • Test Files : Allows you to limit the test to just one file.
TOPOLOGY=<peer-to-peer|group>
DEBUG=1
TEST_FILES=<path_ to_the_file>

Contributing

Bug fixes welcome! If you're not familiar with the GitHub pull request/contribution process, this is a nice tutorial.