Package Exports

date-fns
date-fns/add_days
date-fns/add_days/index
date-fns/add_hours
date-fns/add_hours/index
date-fns/add_iso_years
date-fns/add_milliseconds
date-fns/add_minutes
date-fns/add_minutes/index
date-fns/add_months
date-fns/add_months/index
date-fns/add_quarters
date-fns/add_seconds
date-fns/add_seconds/index
date-fns/add_weeks
date-fns/add_weeks/index
date-fns/add_years
date-fns/closest_to
date-fns/compare_asc
date-fns/compare_desc
date-fns/difference_in_calendar_days
date-fns/difference_in_calendar_iso_weeks
date-fns/difference_in_calendar_iso_years
date-fns/difference_in_calendar_months
date-fns/difference_in_calendar_quarters
date-fns/difference_in_calendar_weeks
date-fns/difference_in_calendar_years
date-fns/difference_in_days
date-fns/difference_in_days/index
date-fns/difference_in_hours
date-fns/difference_in_iso_years
date-fns/difference_in_milliseconds
date-fns/difference_in_minutes
date-fns/difference_in_minutes/index
date-fns/difference_in_months
date-fns/difference_in_quarters
date-fns/difference_in_seconds
date-fns/difference_in_seconds/index
date-fns/difference_in_weeks
date-fns/difference_in_years
date-fns/distance_in_words
date-fns/distance_in_words_to_now
date-fns/each_day
date-fns/end_of_day
date-fns/end_of_day/index
date-fns/end_of_hour
date-fns/end_of_iso_week
date-fns/end_of_iso_year
date-fns/end_of_minute
date-fns/end_of_month
date-fns/end_of_month/index
date-fns/end_of_quarter
date-fns/end_of_second
date-fns/end_of_today
date-fns/end_of_tomorrow
date-fns/end_of_week
date-fns/end_of_week/index
date-fns/end_of_year
date-fns/end_of_yesterday
date-fns/format
date-fns/format/index
date-fns/format/index.js
date-fns/get_date
date-fns/get_date/index
date-fns/get_day
date-fns/get_day/index
date-fns/get_day_of_year
date-fns/get_days_in_month
date-fns/get_days_in_year
date-fns/get_hours
date-fns/get_iso_week
date-fns/get_iso_week/index
date-fns/get_iso_weeks_in_year
date-fns/get_iso_year
date-fns/get_milliseconds
date-fns/get_minutes
date-fns/get_month
date-fns/get_month/index
date-fns/get_quarter
date-fns/get_seconds
date-fns/get_year
date-fns/get_year/index
date-fns/is_after
date-fns/is_before
date-fns/is_equal
date-fns/is_first_day_of_month
date-fns/is_friday
date-fns/is_future
date-fns/is_last_day_of_month
date-fns/is_leap_year
date-fns/is_monday
date-fns/is_past
date-fns/is_same_day
date-fns/is_same_day/index
date-fns/is_same_hour
date-fns/is_same_iso_week
date-fns/is_same_iso_year
date-fns/is_same_minute
date-fns/is_same_month
date-fns/is_same_month/index
date-fns/is_same_quarter
date-fns/is_same_second
date-fns/is_same_second/index
date-fns/is_same_week
date-fns/is_same_year
date-fns/is_saturday
date-fns/is_sunday
date-fns/is_this_month
date-fns/is_this_week
date-fns/is_this_year
date-fns/is_thursday
date-fns/is_today
date-fns/is_today/index
date-fns/is_tomorrow
date-fns/is_tuesday
date-fns/is_valid
date-fns/is_wednesday
date-fns/is_weekend
date-fns/is_within_range
date-fns/is_yesterday
date-fns/last_day_of_iso_week
date-fns/last_day_of_iso_year
date-fns/last_day_of_month
date-fns/last_day_of_quarter
date-fns/last_day_of_week
date-fns/last_day_of_year
date-fns/max
date-fns/max/index
date-fns/min
date-fns/min/index
date-fns/package.json
date-fns/parse
date-fns/parse/index
date-fns/parse/index.js
date-fns/set_date
date-fns/set_date/index
date-fns/set_day
date-fns/set_day_of_year
date-fns/set_hours
date-fns/set_hours/index
date-fns/set_milliseconds
date-fns/set_minutes
date-fns/set_minutes/index
date-fns/set_month
date-fns/set_month/index
date-fns/set_seconds
date-fns/set_year
date-fns/set_year/index
date-fns/start_of_day
date-fns/start_of_day/index
date-fns/start_of_hour
date-fns/start_of_iso_week
date-fns/start_of_iso_year
date-fns/start_of_minute
date-fns/start_of_minute/index
date-fns/start_of_month
date-fns/start_of_month/index
date-fns/start_of_quarter
date-fns/start_of_second
date-fns/start_of_today
date-fns/start_of_today/index
date-fns/start_of_tomorrow
date-fns/start_of_week
date-fns/start_of_week/index
date-fns/start_of_year
date-fns/start_of_yesterday
date-fns/sub_days
date-fns/sub_days/index
date-fns/sub_hours
date-fns/sub_iso_years
date-fns/sub_milliseconds
date-fns/sub_minutes
date-fns/sub_months
date-fns/sub_months/index
date-fns/sub_quarters
date-fns/sub_seconds
date-fns/sub_weeks
date-fns/sub_weeks/index
date-fns/sub_years

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (date-fns) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

date-fns

Date helpers in the function-per-file style.

Installation

npm

npm install date-fns --save

Bower

bower install date-fns

Usage

var isLastDayOfMonth = require('date-fns/is_last_day_of_month')
var date = new Date(2014, 1, 28)
console.log(isLastDayOfMonth(date))
//=> true

API

Code is fully documented, check the source for the reference.

Common helpers

format - format the date.
isFuture - is the given date in the future?
isPast - is the given date in the past?
isEqual - are the given dates equal?
isBefore - is the first date before the second one?
isAfter - is the first date after the second one?
compareAsc - compare the two dates and return -1, 0 or 1.
compareDesc - compare the two dates reverse chronologically and return -1, 0 or 1.
max - return the latest of the given dates.
min - return the earliest of the given dates.
closestTo - return a date from the array closest to the given date.
parse - parse the ISO-8601-formatted date.
isValid - is the given date valid?
isValidDateValues - is the date constructed from the given values exist?
distanceInWords - return the distance between the given dates in words.
distanceInWordsToNow - return the distance between the given date and now in words.

Range helpers

isWithinRange - is the given date within the range?

Milliseconds helpers

getMilliseconds - get the milliseconds.
setMilliseconds - set the milliseconds.
addMilliseconds - add the milliseconds to the given date.
subMilliseconds - subtract the milliseconds from the given date.
differenceInMilliseconds - get the number of milliseconds between the given dates.

Seconds helpers

getSeconds - get the seconds.
setSeconds - set the seconds.
startOfSecond - return the start of a second for the given date.
endOfSecond - return the end of a second for the given date.
addSeconds - add the seconds to the given date.
subSeconds - subtract the seconds from the given date.
differenceInSeconds - get the number of seconds between the given dates.
isSameSecond - are the given dates in the same second?
isThisSecond - is the given date in the same second as the current date?

Minutes helpers

getMinutes - get the minutes.
setMinutes - set the minutes.
startOfMinute - return the start of a minute for the given date.
endOfMinute - return the end of a minute for the given date.
addMinutes - add the minutes to the given date.
subMinutes - subtract the minutes from the given date.
differenceInMinutes - get the number of minutes between the given dates.
isSameMinute - are the given dates in the same minute?
isThisMinute - is the given date in the same minute as the current date?

Hours helpers

getHours - get the hours.
setHours - set the hours.
startOfHour - return the start of an hour for the given date.
endOfHour - return the end of an hour for the given date.
addHours - add hours to the given date.
subHours - subtract hours from the given date.
differenceInHours - get the number of hours between the given dates.
isSameHour - are the given dates in the same hour?
isThisHour - is the given date in the same hour as the current date?

Day helpers

getDate - get the day of the month.
setDate - set the day of the month.
getDayOfYear - get the day of the year.
setDayOfYear - set the day of the year.
startOfDay - return the start of a day for the given date.
endOfDay - return the end of a day for the given date.
startOfYesterday - return the start of yesterday.
endOfYesterday - return the end of yesterday.
startOfToday - return the start of today.
endOfToday - return the end of today.
startOfTomorrow - return the start of tomorrow.
endOfTomorrow - return the end of tomorrow.
addDays - add the specified number of days to the given date.
subDays - subtract the specified number of days from the given date.
differenceInDays - get the number of full days between the given dates.
differenceInCalendarDays - get the number of calendar days between the given dates.
isSameDay - are the given dates in the same day?
isYesterday - is the given date yesterday?
isToday - is the given date today?
isTomorrow - is the given date tomorrow?
eachDay - return the array of dates within the specified range.

Weekday helpers

getDay - get the day of the week.
setDay - set the day of the week.
isWeekend - is the given date in a weekend?
isSunday - is the given date Sunday?
isMonday - is the given date Monday?
isTuesday - is the given date Tuesday?
isWednesday - is the given date Wednesday?
isThursday - is the given date Thursday?
isFriday - is the given date Friday?
isSaturday - is the given date Saturday?

Week helpers

startOfWeek - return the start of a week for the given date.
endOfWeek - return the end of a week for the given date.
lastDayOfWeek - return the last day of a week for the given date.
addWeeks - add specified number of weeks to the given date.
subWeeks - subtract specified number of weeks from the given date.
differenceInWeeks - get the number of full weeks between the given dates.
differenceInCalendarWeeks - get the number of calendar weeks between the given dates.
isSameWeek - are the given dates in the same week?
isThisWeek - is the given date in the same week as the current date?

ISO week helpers

getISOWeek - get the ISO week.
setISOWeek - set the ISO week.
startOfISOWeek - return the start of an ISO week for the given date.
endOfISOWeek - return the end of an ISO week for the given date.
lastDayOfISOWeek - return the last day of an ISO week for the given date.
differenceInCalendarISOWeeks - get the number of calendar ISO weeks between the given dates.
isSameISOWeek - are the given dates in the same ISO week?
isThisISOWeek - is the given date in the same ISO week as the current date?

Month helpers

getMonth - get the month.
setMonth - set the month.
startOfMonth - return the start of a month for the given date.
endOfMonth - return the end of a month for the given date.
lastDayOfMonth - return the last day of a month for the given date.
addMonths - add the specified number of months to the given date.
subMonths - subtract the specified number of months from the given date.
differenceInMonths - get the number of full months between the given dates.
differenceInCalendarMonths - get the number of calendar months between the given dates.
isSameMonth - are the given dates in the same month?
isThisMonth - is the given date in the same month as the current date?
isFirstDayOfMonth - is the given date the first day of a month?
isLastDayOfMonth - is the given date the last day of a month?
getDaysInMonth - get the number of days in a month of the given date.

Quarter helpers

getQuarter - get the year quarter.
setQuarter - set the year quarter.
startOfQuarter - return the start of a year quarter for the given date.
endOfQuarter - return the end of a year quarter for the given date.
lastDayOfQuarter - return the last day of a year quarter for the given date.
addQuarters - add the specified number of year quarters to the given date.
subQuarters - subtract the specified number of year quarters from the given date.
differenceInQuarters - get the number of full quarters between the given dates.
differenceInCalendarQuarters - get the number of calendar quarters between the given dates.
isSameQuarter - are the given dates in the same year quarter?
isThisQuarter - is the given date in the same quarter as the current date?

Year helpers

getYear - get the year.
setYear - set the year.
startOfYear - return the start of a year for the given date.
endOfYear - return the end of a year for the given date.
lastDayOfYear - return the last day of a year for the given date.
addYears - add the specified number of years to the given date.
subYears - subtract the specified number of years from the given date.
differenceInYears - get the number of full years between the given dates.
differenceInCalendarYears - get the number of calendar years between the given dates.
isSameYear - are the given dates in the same year?
isThisYear - is the given date in the same year as the current date?
isLeapYear - is the given date in the leap year?
getDaysInYear - get the number of days in a year of the given date.

ISO week-numbering year helpers

getISOYear - get the ISO week-numbering year.
setISOYear - set the ISO week-numbering year.
startOfISOYear - return the start of an ISO week-numbering year for the given date.
endOfISOYear - return the end of an ISO week-numbering year for the given date.
lastDayOfISOYear - return the last day of an ISO week-numbering year for the given date.
addISOYears - add the specified number of ISO week-numbering years to the given date.
subISOYears - subtract the specified number of ISO week-numbering years from the given date.
differenceInISOYears - get the number of full ISO week-numbering years between the given dates.
differenceInCalendarISOYears - get the number of calendar ISO week-numbering years between the given dates.
isSameISOYear - are the given dates in the same ISO week-numbering year?
isThisISOYear - is the given date in the same ISO week-numbering year as the current date?
getISOWeeksInYear - get the number of weeks in the ISO week-numbering year.

I18n

TODO

Tests

Kudos to SauceLabs for the provided Automate API. Thereby we run cross-browser tests on every push!