@twilio/voice-sdk/lib/twilio/rtc/getusermedia.ts

Twilio's JavaScript Voice SDK

// @ts-nocheck
import { NotSupportedError } from '../errors';
import * as util from '../util';

function getUserMedia(constraints, options) {
  options = options || {};
  options.util = options.util || util;
  options.navigator = options.navigator
    || (typeof navigator !== 'undefined' ? navigator : null);

  return new Promise((resolve, reject) => {
    if (!options.navigator) {
      throw new NotSupportedError('getUserMedia is not supported');
    }

    switch ('function') {
      case typeof (options.navigator.mediaDevices && options.navigator.mediaDevices.getUserMedia):
        return resolve(options.navigator.mediaDevices.getUserMedia(constraints));
      case typeof options.navigator.webkitGetUserMedia:
        return options.navigator.webkitGetUserMedia(constraints, resolve, reject);
      case typeof options.navigator.mozGetUserMedia:
        return options.navigator.mozGetUserMedia(constraints, resolve, reject);
      case typeof options.navigator.getUserMedia:
        return options.navigator.getUserMedia(constraints, resolve, reject);
      default:
        throw new NotSupportedError('getUserMedia is not supported');
    }
  }).catch(e => {
    throw (options.util.isFirefox() && e.name === 'NotReadableError')
      ? new NotSupportedError('Firefox does not currently support opening multiple audio input tracks' +
        'simultaneously, even across different tabs.\n' +
        'Related Bugzilla thread: https://bugzilla.mozilla.org/show_bug.cgi?id=1299324')
      : e;
  });
}

export default getUserMedia;