import 'dart:math'; import 'package:intl/intl.dart'; class FormatterUtil { /// Format epoch timestamp static String formatEpoch(num millis) { DateFormat dateFormat = DateFormat().add_yMEd().add_Hm(); return dateFormat .format(DateTime.fromMillisecondsSinceEpoch(millis as int)); } static String formatBytes(int bytes, int decimals) { if (bytes <= 0) return "0 B"; const suffixes = ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]; var i = (log(bytes) / log(1024)).floor(); return '${(bytes / pow(1024, i)).toStringAsFixed(decimals)} ${suffixes[i]}'; } }