format method

@override String format(Duration duration)

Implementation

@override
String format(Duration duration) {
  int milliseconds = duration.inMilliseconds;
  int seconds = 0;
  int minutes = 0;
  int hours = 0;
  int days = 0;
  int months = 0;
  int years = 0;

  String ret = '';

  if (milliseconds == 0) {
    return '0$millisecondSuffix';
  } else if (milliseconds >= 1000) {
    seconds = (milliseconds / 1000).floor();
    milliseconds = milliseconds % 1000;
  }

  if (seconds >= 60) {
    minutes = (seconds / 60).floor();
    seconds = seconds % 60;
  }

  if (minutes >= 60) {
    hours = (minutes / 60).floor();
    minutes = minutes % 60;
  }

  if (hours >= 24) {
    days = (hours / 24).floor();
    hours = hours % 24;
  }

  if (days >= 30) {
    months = (days / 30).floor();
    days = days % 30;
  }

  if (months >= 12) {
    years = (months / 12).floor();
    months = months % 12;
  }

  if (milliseconds != 0) {
    ret = '$milliseconds$millisecondSuffix';
  }

  if (seconds != 0) {
    ret = '$seconds$secondSuffix${ret.isEmpty ? '' : ' $ret'}';
  }

  if (minutes != 0) {
    ret = '$minutes$minuteSuffix${ret.isEmpty ? '' : ' $ret'}';
  }

  if (hours != 0) {
    ret = '$hours$hourSuffix${ret.isEmpty ? '' : ' $ret'}';
  }

  if (days != 0) {
    ret = '$days$daySuffix${ret.isEmpty ? '' : ' $ret'}';
  }

  if (months != 0) {
    ret = '$months$monthSuffix${ret.isEmpty ? '' : ' $ret'}';
  }

  if (years != 0) {
    ret = '$years$yearSuffix${ret.isEmpty ? '' : ' $ret'}';
  }

  return ret;
}