date_formatter_codespark 1.5.0 
date_formatter_codespark: ^1.5.0 copied to clipboard
Published 13 hours ago • 
ksaikiran.dev
ksaikiran.devDate formatter with DateTime extensions for date formatting, datetime formatting, relative time, time ago, human-readable dates, timestamps, and custom date formats.
import 'package:flutter/material.dart';
import 'package:date_formatter_codespark/date_formatter_codespark.dart';
void main() {
runApp(const DateFormatterExampleApp());
}
class DateFormatterExampleApp extends StatelessWidget {
const DateFormatterExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'date_formatter_codespark',
debugShowCheckedModeBanner: false,
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.indigo),
useMaterial3: true,
),
home: const ExampleScreen(),
);
}
}
class ExampleScreen extends StatelessWidget {
const ExampleScreen({super.key});
@override
@override
Widget build(BuildContext context) {
final now = DateTime.now();
final past = now.subtract(const Duration(minutes: 45));
final future = now.add(const Duration(days: 2));
final deadline = now.add(const Duration(days: 1));
final expired = now.subtract(const Duration(days: 1));
final friday = DateTime(2026, 5, 29);
final other = now.add(const Duration(days: 5));
final holidays = [DateTime(2026, 12, 25), DateTime(2026, 1, 1)];
final secondFriday =
DateTime(2026, 5, 1).nthWeekdayOfMonth(DateTime.friday, 2);
return Scaffold(
backgroundColor: const Color(0xFFF5F7FA),
appBar: AppBar(
backgroundColor: Colors.indigo,
foregroundColor: Colors.white,
title: const Text('date_formatter_codespark'),
centerTitle: true,
),
body: ListView(
padding: const EdgeInsets.all(16),
children: [
_section('📅 Variables Used in This Demo', [
_row('now', now.toFullHumanDate()),
_row('past (now − 45 min)', past.toFullHumanDate()),
_row('future (now + 2 days)', future.toFullHumanDate()),
_row('deadline (now + 1 day)', deadline.toFullHumanDate()),
_row('expired (now − 1 day)', expired.toFullHumanDate()),
_row('friday', friday.toFullHumanDate()),
_row('other (now + 5 days)', other.toFullHumanDate()),
_row('holidays[0]', DateTime(2026, 12, 25).toFullHumanDate()),
_row('holidays[1]', DateTime(2026, 1, 1).toFullHumanDate()),
_row('secondFriday', secondFriday.toFullHumanDate()),
]),
_section('Relative Time', [
_row('past.toTimeAgo()', past.toTimeAgo()),
_row('past.toTimeAgo(short: false)', past.toTimeAgo(short: false)),
_row('future.toTimeAgo()', future.toTimeAgo()),
]),
_section('Countdown', [
_row('deadline.daysRemaining()', deadline.daysRemaining()),
_row('deadline.hoursRemaining()', deadline.hoursRemaining()),
_row('expired.daysRemaining()', expired.daysRemaining()),
]),
_section('Calendar Flags', [
_bool('isToday', now.isToday),
_bool('isYesterday', now.isYesterday),
_bool('isTomorrow', now.isTomorrow),
_bool('isThisWeek', now.isThisWeek),
_bool('isWeekend', now.isWeekend),
_bool('isBusinessDay', now.isBusinessDay),
_bool('isFuture', now.isFuture),
_bool('isPast', now.isPast),
]),
_section('Leap Year & Month Flags', [
_bool('DateTime(2024,2,1).isLeapYear',
DateTime(2024, 2, 1).isLeapYear),
_bool('DateTime(2026,5,1).isFirstDayOfMonth',
DateTime(2026, 5, 1).isFirstDayOfMonth),
_bool('DateTime(2026,5,31).isLastDayOfMonth',
DateTime(2026, 5, 31).isLastDayOfMonth),
_row('DateTime(2026,5,1).daysInMonth',
'${DateTime(2026, 5, 1).daysInMonth}'),
_bool('DateTime(2026,4,1).isQuarterStart',
DateTime(2026, 4, 1).isQuarterStart),
_bool('DateTime(2026,3,31).isQuarterEnd',
DateTime(2026, 3, 31).isQuarterEnd),
]),
_section('Time of Day', [
_bool('isMorning', now.isMorning),
_bool('isAfternoon', now.isAfternoon),
_bool('isEvening', now.isEvening),
_bool('isNight', now.isNight),
]),
_section('Business Day Logic', [
_row('friday.nextBusinessDay',
friday.nextBusinessDay.toIsoDateString()),
_row('friday.previousBusinessDay',
friday.previousBusinessDay.toIsoDateString()),
_row('friday.addBusinessDays(3)',
friday.addBusinessDays(3).toIsoDateString()),
_row('friday.subtractBusinessDays(2)',
friday.subtractBusinessDays(2).toIsoDateString()),
_row('friday.businessDaysUntil(2026-06-05)',
'${friday.businessDaysUntil(DateTime(2026, 6, 5))}'),
_bool('DateTime(2026,5,29).isLastBusinessDayOfMonth',
DateTime(2026, 5, 29).isLastBusinessDayOfMonth),
_bool('DateTime(2026,6,1).isFirstBusinessDayOfMonth',
DateTime(2026, 6, 1).isFirstBusinessDayOfMonth),
_bool('isLastOccurrenceOfWeekdayInMonth',
now.isLastOccurrenceOfWeekdayInMonth),
]),
_section('Week / Month / Year Boundaries', [
_row('endOfDay', '${now.endOfDay.toIsoDateString()} 23:59:59'),
_row('startOfWeek', now.startOfWeek.toIsoDateString()),
_row('endOfWeek', now.endOfWeek.toIsoDateString()),
_row('startOfMonth', now.startOfMonth.toIsoDateString()),
_row('endOfMonth', now.endOfMonth.toIsoDateString()),
_row('startOfYear', now.startOfYear.toIsoDateString()),
_row('endOfYear', now.endOfYear.toIsoDateString()),
_row('weekOfYear', '${now.weekOfYear}'),
_row('quarter', '${now.quarter}'),
]),
_section('Date Math', [
_row('nextDay', now.nextDay.toIsoDateString()),
_row('previousDay', now.previousDay.toIsoDateString()),
_row('daysUntil(2026-12-31)',
'${now.daysUntil(DateTime(2026, 12, 31))}'),
_row('daysSince(2026-01-01)',
'${now.daysSince(DateTime(2026, 1, 1))}'),
_row('monthsBetween(2026-12-01)',
'${now.monthsBetween(DateTime(2026, 12, 1))}'),
_row('yearsBetween(2030-05-31)',
'${now.yearsBetween(DateTime(2030, 5, 31))}'),
_row('copyWith(year: 2027)',
now.copyWith(year: 2027).toIsoDateString()),
_row('atTime(9, 30)', now.atTime(9, 30).toIsoTimeString()),
]),
_section('Comparison Helpers', [
_bool('isSameDay(now+5d)', now.isSameDay(other)),
_bool('isSameWeek(now+5d)', now.isSameWeek(other)),
_bool('isSameMonth(now+5d)', now.isSameMonth(other)),
_bool('isSameYear(now+5d)', now.isSameYear(other)),
_bool('isWithin(startOfMonth, endOfMonth)',
now.isWithin(now.startOfMonth, now.endOfMonth)),
]),
_section('Formatting', [
_row('toDayAndMonth()', now.toDayAndMonth()),
_row('toFullHumanDate()', now.toFullHumanDate()),
_row('toTime12Hour()', now.toTime12Hour()),
_row('toShortTimeString()', now.toShortTimeString()),
_row('toShortDateString()', now.toShortDateString()),
_row('toIsoDateString()', now.toIsoDateString()),
_row('toIsoTimeString()', now.toIsoTimeString()),
_row('toRfc2822String()', now.toRfc2822String()),
]),
_section('nth Weekday in Month', [
_row(
'nthWeekdayOfMonth(friday, 2)', secondFriday.toIsoDateString()),
]),
_section('Holiday Check', [
_bool('DateTime(2026,12,25).isPublicHoliday(holidays)',
DateTime(2026, 12, 25).isPublicHoliday(holidays)),
]),
_section('Fiscal Year', [
_row('DateTime(2026,2,1).toFiscalYear()',
'${DateTime(2026, 2, 1).toFiscalYear()}'),
_row('toFiscalYear(fiscalYearStartMonth: 1)',
'${DateTime(2026, 5, 1).toFiscalYear(fiscalYearStartMonth: 1)}'),
]),
_section('Julian Day', [
_row('DateTime(2000,1,1).toJulianDay',
'${DateTime(2000, 1, 1).toJulianDay}'),
_row(
'fromJulianDay(2451545)',
DateFormatterExtension.fromJulianDay(2451545)
.toIsoDateString()),
]),
_section('UTC & Timezone', [
_row('toLocalOrUtc()', now.toLocalOrUtc().toIsoDateString()),
_row(
'withTimeZoneOffset(+5:30)',
now
.withTimeZoneOffset(const Duration(hours: 5, minutes: 30))
.toIsoTimeString()),
]),
const SizedBox(height: 32),
],
),
);
}
Widget _section(String title, List<Widget> rows) {
return Padding(
padding: const EdgeInsets.only(bottom: 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 6),
child: Text(
title,
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w700,
color: Colors.indigo,
letterSpacing: 0.5,
),
),
),
Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(10),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.05),
blurRadius: 6,
offset: const Offset(0, 2),
),
],
),
child: Column(children: rows),
),
],
),
);
}
Widget _row(String label, String value) {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
flex: 5,
child: Text(
label,
style: const TextStyle(
fontFamily: 'monospace',
fontSize: 12,
color: Color(0xFF444444),
),
),
),
const SizedBox(width: 8),
Expanded(
flex: 4,
child: Text(
value,
textAlign: TextAlign.end,
style: const TextStyle(
fontFamily: 'monospace',
fontSize: 12,
fontWeight: FontWeight.w600,
color: Colors.indigo,
),
),
),
],
),
);
}
Widget _bool(String label, bool value) {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
child: Row(
children: [
Expanded(
child: Text(
label,
style: const TextStyle(
fontFamily: 'monospace',
fontSize: 12,
color: Color(0xFF444444),
),
),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 3),
decoration: BoxDecoration(
color: value ? Colors.green.shade50 : Colors.red.shade50,
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: value ? Colors.green.shade300 : Colors.red.shade300,
),
),
child: Text(
value ? 'true' : 'false',
style: TextStyle(
fontFamily: 'monospace',
fontSize: 11,
fontWeight: FontWeight.w700,
color: value ? Colors.green.shade700 : Colors.red.shade700,
),
),
),
],
),
);
}
}Metadata
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Documentation
Publisher
Weekly Downloads
Metadata
Date formatter with DateTime extensions for date formatting, datetime formatting, relative time, time ago, human-readable dates, timestamps, and custom date formats.
Homepage
Repository (GitHub)
View/report issues
Topics
#date-formatting #datetime #date-formatter #time-ago #datetime-extension
License
MIT (license)
