videojs('player_id').chapter_thumbnails({
  src: '/path/to/chapters.vtt'
});

template(cue = {}, textTrack) {
  let cueText;

  // NOTE: if `cue.text` isn't parseable, just send it through instead of blowing up.
  // DRAGON: this probably opens up a possible script injection
  try {
    cueText = JSON.parse(cue.text || '{}');
  } catch (e) {
    cueText = cue.text;
  }

  const {
    image,
    title,
  } = cueText;

  const template = document.createElement('div');
  template.className = 'vjs-chapters-thumbnails-item';

  if (image) {
    const img = document.createElement('img');
    img.className = 'vjs-chapters-thumbnails-item-image';
    img.src = image;

    template.appendChild(img);
  }

  if (title) {
    const span = document.createElement('span');
    span.className = 'vjs-chapters-thumbnails-item-title';
    span.innerHTML = title;

    template.appendChild(span);
  }

  return template;
},