ext_kit 1.0.0

A comprehensive Flutter/Dart package providing powerful extensions for String, DateTime, int, double, num, List, Iterable, Map, Widget, BuildContext, Color, Duration, and dynamic types. Boost your pro [...]

Ext Kit

A comprehensive Flutter/Dart package providing 100+ powerful extensions for common data types. Boost your productivity with utility methods you use every day.

Features

Type	Extensions
String	Validation (email, URL, phone, IP, etc.), capitalize, camelCase, snakeCase, truncate, mask, slug, reversed, wordCount
DateTime	Add/subtract time, isBetween, timeAgo, copyWith, isToday, isWeekend, daysInMonth, quarter
int	isPrime, factorial, fibonacci, duration creation (.seconds, .hours), isMultipleOf
double	toPrecision, duration creation, toPositive/toNegative
num	toCurrency, toCompact, toFileSize, isBetween, clampMin/clampMax, delay
List	sum, average, product, rotated, reversedList, distinctBy, operations (+, -, *)
Iterable	groupBy, distinctBy, chunk, minBy/maxBy, flatten, takeLastWhile
Map	getOrNull, getOrDefault, whereKeys, whereValues, mapKeys, mapValues, merge, inverted
Widget	paddingAll, marginAll, center, expanded, flexible, visible, opacity, onTap, clipRRect, safeArea, hero
BuildContext	width/height, isDarkMode, isPhone/isTablet/isDesktop, responsiveValue, navigation, showSnackBar, hideKeyboard
Color	toHex, fromHex, darken/lighten, darkenBy/lightenBy, isDark/isLight, opacity presets
Duration	timeToString, delay, remainingHours/Minutes/Seconds
dynamic	Type checks (isInt, isString, etc.), isNull/isNotNull, printError/printInfo

Installation

Add to your pubspec.yaml:

dependencies:
  ext_kit: ^1.0.0

Then run:

flutter pub get

Usage

Import the package:

import 'package:ext_kit/ext_kit.dart';

String Extensions

// Validation
'[e-mail]'.isEmail;      // true
'192.168.1.1'.isIPv4;          // true
'[phone]'.isPhoneNumber; // true

// Transformation
'hello world'.capitalize;       // 'Hello World'
'hello world'.camelCase;        // 'helloWorld'
'Hello World'.snakeCase;        // 'hello_world'
'Hello World'.toSlug();         // 'hello-world'
'hello'.reversed;               // 'olleh'
'Hello World Example'.truncate(10); // 'Hello W...'
'1234567890'.mask();            // '******7890'
'hello world'.wordCount;        // 2

DateTime Extensions

final now = DateTime.now();
now.isToday();            // true
now.isWeekend();          // depends on the day
now.addDays(5);           // 5 days from now
now.startOfMonth;         // 1st of this month at 00:00
now.daysInMonth;          // 28, 29, 30, or 31
now.quarter;              // 1-4
now.timeAgo();            // 'just now', '5 minutes ago', etc.

now.isBetween(
  now.subtractDays(1),
  now.addDays(1),
);  // true

now.copyWith(month: 6);  // same date but in June

int Extensions

7.isPrime;           // true
5.factorial;         // 120
8.isFibonacci;       // true
10.isMultipleOf(5);  // true
7.nextPrime;         // 11

// Duration creation
2.seconds;    // Duration(seconds: 2)
500.ms;       // Duration(milliseconds: 500)

num Extensions

1500.0.toCurrency();              // '$1,500.00'
1500.0.toCurrency(symbol: '€');   // '€1,500.00'
1234567.toCompact();              // '1.2M'
1048576.toFileSize();             // '1.0 MB'
50.isBetween(1, 100);             // true
await 2.delay();                  // waits 2 seconds

List & Iterable Extensions

[1, 2, 3, 4, 5].sum;              // 15
[1, 2, 3, 4, 5].average;          // 3.0
[1, 2, 3, 4, 5].product;          // 120
[1, 2, 3, 4, 5].rotated(2);       // [3, 4, 5, 1, 2]
[1, 2, 2, 3].distinct().toList();  // [1, 2, 3]
[1, 2, 3] + [4, 5];               // [1, 2, 3, 4, 5]
[1, 2, 3] * 2;                    // [1, 2, 3, 1, 2, 3]

// Group by
['apple', 'avocado', 'banana'].groupBy((s) => s[0]);
// {a: [apple, avocado], b: [banana]}

// Chunk
[1, 2, 3, 4, 5].chunk(2).toList(); // [[1, 2], [3, 4], [5]]

Map Extensions

final map = {'a': 1, 'b': 2, 'c': 3};
map.getOrDefault('d', 0);              // 0
map.getOrNull('d');                    // null
map.whereValues((v) => v > 1);        // {b: 2, c: 3}
map.whereKeys((k) => k != 'a');       // {b: 2, c: 3}
map.mapKeys((k) => k.toUpperCase());  // {A: 1, B: 2, C: 3}
map.merge({'d': 4});                  // {a: 1, b: 2, c: 3, d: 4}
map.inverted;                         // {1: a, 2: b, 3: c}

Widget Extensions

// Padding & Margin
Text('Hello').paddingAll(16.0);
Text('Hello').paddingSymmetric(horizontal: 8.0);
Text('Hello').marginAll(16.0);

// Layout
Text('Centered').center();
Text('Expanded').expanded();
Text('Flexible').flexible();

// Transform
Image.network(url).clipRRect(radius: 12.0);
Text('Hero').hero('my-tag');
Text('Conditional').visible(showText);
Text('Tappable').onTap(() => print('tapped'));
Text('Safe').safeArea();

BuildContext Extensions

// Screen info
context.width;         // screen width
context.height;        // screen height
context.isPhone;       // is phone form factor
context.isTablet;      // is tablet form factor
context.isDarkMode;    // is dark mode

// Theme access
context.textTheme;     // TextTheme
context.colorScheme;   // ColorScheme
context.platform;      // TargetPlatform
context.isIOS;         // is iOS platform
context.isAndroid;     // is Android platform

// Navigation
context.to(MyPage());
context.to(MyPage(), navigateType: NavigateType.replace);
context.to('/route-name');
context.back();

// Responsive values
context.responsiveValue(
  mobile: 14.0,
  tablet: 18.0,
  desktop: 22.0,
);

// Utilities
context.showSnackBar('Success!');
context.hideKeyboard();

Color Extensions

Colors.red.toHex();           // '#ffff0000'
ColorExt.fromHex('#FF5733');  // Color

Colors.red.darken;            // darker shade
Colors.red.lighten;           // lighter shade
Colors.red.darkenBy(0.2);     // 20% darker
Colors.red.isDark;            // true/false

Colors.red.opacityMedium;    // 50% opacity

Duration Extensions

Duration(hours: 1, minutes: 30, seconds: 45).timeToString; // '01:30:45'
Duration(seconds: 90).timeToStringWithMs; // '00:01:30.000'
await Duration(seconds: 2).delay();

Dynamic Extensions

dynamic value = 10;
value.isInt;       // true
value.isNull;      // false
value.isNotNull;   // true
value.printInfo();  // logs info

License

This project is licensed under the MIT License - see the LICENSE file for details.