video timestaps for youtube.js

const times = {
  'Video 0': '00:39:13',
  'Video 1': '00:29:03',
  'Video 2': '00:24:02',
  'Video 3': '00:31:55',
  'Video 4': '00:32:26',
  'Video 5': '00:42:29',
  'Video 6': '00:49:11',
};

function timeToSeconds(time) {
  const [hours, minutes, seconds] = time.split(':');

  return 3600 * hours + 60 * minutes + +seconds;
}

function secondsToTime(seconds) {
  return new Date(seconds * 1000).toISOString().substr(11, 8);
}

Object.entries(times).reduce((fromTheBeginning, [name, time], index) => {
  const seconds = timeToSeconds(time);

  if (seconds > 180) {
    console.log(`${secondsToTime(fromTheBeginning)} ${name}`);
  }

  return fromTheBeginning + seconds;
}, 0);