text: module.exports = {
      msToTimeDifferenceString: function (ms) {
          let d, h, m, s;
          s = Math.floor(ms / 1000);
          m = Math.floor(s / 60);
          s = s % 60;
          h = Math.floor(m / 60);
          m = m % 60;
          d = Math.floor(h / 24);
          h = h % 24;
          let timeleft_array = [];
          d = d === 0 ? null : d === 1 ? timeleft_array.push('1 day') : timeleft_array.push(`${d} days`);
          h = h === 0 ? null : h === 1 ? timeleft_array.push('1 hour') : timeleft_array.push(`${h} hours`);
          m = m === 0 ? null : m === 1 ? timeleft_array.push('1 minute') : timeleft_array.push(`${m} minutes`);
          s = s === 0 ? null : s === 1 ? timeleft_array.push('1 second') : timeleft_array.push(`${s} seconds`);
          return timeleft_array.join(', ');
      }
  };
  