code: function shouldUpdateVideo(prevProps, props) {
    // A changing video should always trigger an update
    if (prevProps.videoId !== props.videoId) {
      return true;
    }
  
    // Otherwise, a change in the start/end time playerVars also requires a player
    // update.
    const prevVars = prevProps.opts.playerVars || {};
    const vars = props.opts.playerVars || {};
  
    return prevVars.start !== vars.start || prevVars.end !== vars.end;
  }
docs: Check whether a `props` change should result in the video being updated.
  
  @param {Object} prevProps
  @param {Object} props