DateTimeUtils class Null safety

Utils to work with DateTime.

Properties

hashCode int
The hash code for this object.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited

Static Methods

addDays(DateTime date, int days) DateTime
Returns the DateTime resulting from adding the given number of days to this DateTime.
addMonths(DateTime date, int months) DateTime
Returns the DateTime resulting from adding the given number of months to this DateTime.
addWeeks(DateTime date, int weeks) DateTime
Returns the DateTime resulting from adding the given number of weeks to this DateTime.
addYears(DateTime date, int years) DateTime
Returns the DateTime resulting from adding the given number of years to this DateTime.
copyWith(DateTime date, {int? year, int? month, int? day, int? hour, int? minute, int? second, int? millisecond, int? microsecond}) DateTime
Creates a copy of date but with the given fields replaced with the new values.
firstDayOfFirstWeek(int year, {int? firstWeekday}) DateTime
Returns start of the first day of the first week in year.
firstDayOfMonth(DateTime date) DateTime
Returns DateTime that represents a beginning of the first day of the month containing date.
firstDayOfNextMonth(DateTime dateTime) DateTime
Returns DateTime that represents a beginning of the first day of the next month.
firstDayOfNextWeek(DateTime dateTime, {int? firstWeekday}) DateTime
Returns start of the first day of the next week for specified dateTime.
firstDayOfNextYear(DateTime dateTime) DateTime
Returns DateTime that represents a beginning of the first day of the next year.
firstDayOfWeek(DateTime dateTime, {int? firstWeekday}) DateTime
Returns start of the first day of the week for specified dateTime.
firstDayOfYear(DateTime dateTime) DateTime
Returns DateTime that represents a beginning of the first day of the year containing date.
generateWithDayStep(DateTime start, DateTime end) Iterable<DateTime>
Returns an iterable of DateTime with 1 day step in given range.
getDayNumberInWeek(DateTime date, {int? firstWeekday}) int
Returns number of the day in week (starting with 1).
getDayNumberInYear(DateTime date) int
Returns number of the day in year.
getDaysDifference(DateTime a, DateTime b) int
Returns count of days between two dates.
getDaysInMonth(int year, int monthNum) int
Returns number of days in the month of the year.
getDaysInYear(int year) int
Returns the number of days in a given year.
getLastWeekNumber(int year, {int? firstWeekday}) int
Returns number of the last week in year.
getWeekNumber(DateTime date, {int? firstWeekday}) int
Returns week number in year.
isCurrentDate(DateTime date) bool
Проверяет является ли заданная дата текущей.
isFirstDayOfMonth(DateTime day) bool
Checks if day is in the first day of a month.
isFirstDayOfWeek(DateTime day, {int? firstWeekday}) bool
Checks if day is in the first day of a week.
isLastDayOfMonth(DateTime day) bool
Checks if day is in the last day of a month.
isLastDayOfWeek(DateTime day, {int? firstWeekday}) bool
Checks if day is in the last day of a week.
isSameDay(DateTime a, DateTime b) bool
Check if a and b are on the same day.
isWeekInYear(DateTime date, int year, int? firstWeekday) bool
Checks if week, that contains date is in year.
@visibleForTesting
lastDayOfMonth(DateTime dateTime) DateTime
Returns DateTime that represents a beginning of the last day of the month containing date.
lastDayOfWeek(DateTime dateTime, {int? firstWeekday}) DateTime
Returns start of the last day of the week for specified dateTime.
lastDayOfYear(DateTime dateTime) DateTime
Returns DateTime that represents a beginning of the last day of the year containing date.
nextDay(DateTime d) DateTime
Returns same time in the next day.
nextMonth(DateTime date) int
Returns a number of the next month.
nextYear(DateTime d) DateTime
Returns same date in the next year.
previousDay(DateTime d) DateTime
Returns same time in the previous day.
previousYear(DateTime d) DateTime
Returns same date in the previous year.
setTime(DateTime date, int hours, int minutes, [int seconds = 0, int milliseconds = 0, int microseconds = 0]) DateTime
Creates a copy of date but with time replaced with the new values.
startOfDay(DateTime dateTime) DateTime
Returns DateTime for the beginning of the day (00:00:00).
startOfNextDay(DateTime dateTime) DateTime
Returns DateTime for the beginning of the next day (00:00:00).
startOfToday() DateTime
Returns DateTime for the beginning of today (00:00:00).