platform/video.videojs/dist/video.es.js
function ChaptersTrackMenuItem(player, options) {
    classCallCheck(this, ChaptersTrackMenuItem);

    var track = options.track;
    var cue = options.cue;
    var currentTime = player.currentTime();

    // Modify options for parent MenuItem class's init.
    options.selectable = true;
    options.label = cue.text;
    options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;

    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));

    _this.track = track;
    _this.cue = cue;
    track.addEventListener('cuechange', bind(_this, _this.update));
    return _this;
  }
function ChaptersTrackMenuItem(player, options) {
    classCallCheck(this, ChaptersTrackMenuItem);

    var track = options.track;
    var cue = options.cue;
    var currentTime = player.currentTime();

    // Modify options for parent MenuItem class's init.
    options.selectable = true;
    options.label = cue.text;
    options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;

    var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));

    _this.track = track;
    _this.cue = cue;
    track.addEventListener('cuechange', bind(_this, _this.update));
    return _this;
  }
Creates an instance of this class.

@param {Player} player
The `Player` that this class should be attached to.

@param {Object} [options]
The key/value store of player options.