transform

Source

String transform(dynamic value, [String pattern = "mediumDate"]) {
  if (value == null) return null;
  if (!this.supports(value)) {
    throw new InvalidPipeArgumentException(DatePipe, value);
  }
  if (value is num) {
    value = new DateTime.fromMillisecondsSinceEpoch(value, isUtc: true);
  }
  if (DatePipe._ALIASES.containsKey(pattern)) {
    pattern = DatePipe._ALIASES[pattern];
  }
  return DateFormatter.format(value, defaultLocale, pattern);
}