whois-team / whoisdigger

/*

  byteToHumanFileSize

    Convert bytes size to human readable format

  parameters

    bytes (integer) - bytes to convert

    si (boolean) - use standard international units

 */

function byteToHumanFileSize(bytes, si = true) {

  var thresh = si ? 1000 : 1024;

  if (Math.abs(bytes) < thresh) {

    return bytes + ' B';

  }

  var units = si ? ['kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'] : ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];

  var u = -1;

  do {

    bytes /= thresh;

    ++u;

  } while (Math.abs(bytes) >= thresh && u < units.length - 1);

  return bytes.toFixed(1) + ' ' + units[u];

}

/*

  msToHumanTime

    Convert a given milliseconds to string in human readable format

  parameters

    duration (integer) - milliseconds to convert

 */

function msToHumanTime(duration) {

  var milliseconds = parseInt((duration % 1000) / 100),

    seconds = parseInt((duration / 1000).toFixed(6) % 60),

    minutes = parseInt((duration / (1000 * 60)).toFixed(6) % 60),

    hours = parseInt((duration / (1000 * 60 * 60)).toFixed(6) % 24),

    days = parseInt((duration / (1000 * 60 * 60 * 24)).toFixed(6) % 7),

    weeks = parseInt((duration / (1000 * 60 * 60 * 24 * 7)).toFixed(6) % 4),

    months = parseInt((duration / (1000 * 60 * 60 * 24 * 7 * 4)).toFixed(6) % 12),

    years = parseInt((duration / (1000 * 60 * 60 * 24 * 7 * 4 * 12)).toFixed(6) % 10);

  var time = '';

  (years < 1) ? true: time += months + 'Y';

  (months < 1) ? true: time += months + 'M';

  (weeks < 1) ? true: time += weeks + 'w';

  (days < 1) ? true: time += days + 'd';

  (hours < 1) ? true: time += hours + 'h';

  (minutes < 1) ? true: time += minutes + 'm';

  (seconds < 1) ? true: time += seconds + 's';

  (milliseconds < 125) ? true: time += milliseconds + 'ms';

  (duration >= 0) ? true: time = '-';

  return time;

}

/*

  getDate

    Parse a date from a source string

  parameters

    date (string/date) - Date or String to be date parsed

 */

function getDate(date) {

  if (date === null || date === '' || date === false) return undefined;

  var parsed = new Date(Date.parse(date)).toUTCString();

  if (parsed == 'Invalid Date') {

    return date;

    return parsed;

  }

}

module.exports = {

  byteToHumanFileSize: byteToHumanFileSize,