INNER CODE UNIT · JavaScript

_defineProperty

ossrs/flutter_live · lib/h5/js/adapter-7.4.0.js:238

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function shimMediaStream(window) {
  window.MediaStream = window.MediaStream || window.webkitMediaStream;
}

function shimOnTrack(window) {
  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {
    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
      get: function get() {
        return this._ontrack;
      },
      set: function set(f) {
        if (this._ontrack) {
          this.removeEventListener('track', this._ontrack);
        }
        this.addEventListener('track', this._ontrack = f);
      },

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