Google Table, JIRA Time Support

function parseTimeString(timeString)
{
  var days = 0, hours = 0, minutes = 0;

  var dayMatch = timeString.match(/(\d+)d/);
  var hourMatch = timeString.match(/(\d+)h/);
  var minuteMatch = timeString.match(/(\d+)min/);

  if (dayMatch)
  {
    days = parseInt(dayMatch[1], 10) * 8;
  }

  if (hourMatch)
  {
    hours = parseInt(hourMatch[1], 10);
  }

  if (minuteMatch)
  {
    minutes = parseInt(minuteMatch[1], 10);
  }

  return days + hours + minutes / 60;
}

function convertHoursToTimeString(hours)
{
  var days = Math.floor(hours / 8);
  var remainingHours = hours % 8;
  var fullHours = Math.floor(remainingHours);
  var minutes = Math.round((remainingHours - fullHours) * 60);

  var result = '';
  if (days > 0)
  {
    result += days + 'd ';
  }

  if (fullHours > 0 || days == 0)
  {
    result += fullHours + 'h ';
  }

  if (minutes > 0) {
    result += minutes + 'min';
  }

  return result.trim();
}