in_date_utils #

Another utils for DateTime.

Usage #

To use this plugin, add in_date_utils as a dependency in your pubspec.yaml file.

Than add import 'package:in_date_utils/in_date_utils.dart'; to the file for use extension methods.

Example #

import 'package:list_ext/list_ext.dart';

void main() {
  final now = DateTime.now();
  
  print(now);
  // 2020-10-22 18:18:27.125878

  print(DateUtils.startOfDay(now));
  // 2020-10-22 00:00:00.000
  
  print(DateUtils.isFirstDayOfWeek(now));
  // false
  
  print(DateUtils.lastDayOfMonth(now));
  // 2020-10-31 00:00:00.000
  
  print(DateUtils.getDaysInYear(2020));
  // 366
  
  print(DateUtils.getWeeksInYear(2020));
  // 53
}

Methods classifier #

Comparison #

Is in same period

• isSameDay() - checks if two DateTime instances are on the same day.

Checks #

Week

• isFirstDayOfWeek() - checks if provided DateTime is in the first day of a week (Monday).
• isLastDayOfWeek() - checks if provided DateTime is in the last day of a week (Sunday).

Month

• isFirstDayOfMonth() - Checks if DateTime is in the first day of a month.
• isLastDayOfMonth() - Checks if DateTime is in the last day of a month.

Transformation #

Next/prev

• nextDay()/previousDay() - returns same time in the next/previous day.
• nextYear()/previousYear() - returns same date in the next/previous year.

Start/end

• startOfDay() - returns DateTime for the beginning of the day (00:00:00).
• startOfNextDay() - returns DateTime for the beginning of the next day (00:00:00).
• startOfToday() - returns DateTime for the beginning of today (00:00:00).
• firstDayOfWeek() - returns DateTime for the beginning of the first day of the week for specified date.
• firstDayOfNextWeek() - returns DateTime for the beginning of the first day of the next week for specified date.
• lastDayOfWeek() - returns DateTime for the beginning of the last day of the week for specified date.
• firstDayOfFirstWeek() - returns start of the first day of the first week in year.

Information #

• getDaysInMonth() - returns number of days in the month of the year.
• getDayNumberInYear() - returns number of the day in year.
• getDayNumberInWeek() - returns number of the day in week.
• getWeekNumber() - returns number of the week in year.
• getLastWeekNumber() - returns number of the last week in year.
• getDaysDifference() - returns count of days between two dates.

Generation #

• generateWithDayStep() - returns an iterable of DateTime in given range with 1 day step.