datelib

About

A Node module that provide additional javascript Date functionalities.

Installation

npm install datelib

Usage

require("datelib");

Features

• Additional function with javascript Date object.

Documentation

Methods

• isLeapYear
• addDays
• addMonths
• addYears
• addHours
• addMinutes
• addSeconds
• addMilliseconds
• compare
• compareWithEquals
• getDayOfTheWeek
• getMonthOfTheYear
• isBefore
• getDaysInMonth

isLeapYear()

Check if the year is leap year.

Arguments

• void

Returns

• true or false

Examples

new Date(2012, 0, 1).isLeapYear(); // return true
new Date(2013, 0, 1).isLeapYear(); // return false

addDays()

Add days with given date object.

Arguments

• days - number of days. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addDays(1);

addMonths()

Add months with given date object.

Arguments

• months - number of months. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addMonths(1);

addYears()

Add years with given date object.

Arguments

• years - number of years. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addYears(1);

addHours()

Add hours with given date object.

Arguments

• hours - number of hours. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addHours(1);

addMinutes()

Add minutes with given date object.

Arguments

• minutes - number of minutes. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addMinutes(1);

addSeconds()

Add seconds with given date object.

Arguments

• seconds - number of seconds. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addSeconds(1);

addMilliseconds()

Add seconds with given date object.

Arguments

• milliseconds - number of Milliseconds. Support negative value for subtract.

Returns

• javascript date

Examples

new Date().addMilliseconds(1);

compare()

Compare two javascript Date objects.

Arguments

• date - A javascript Date.

Returns

• if Return value == -1 then it indicates date is greater than given.
• if Return value == 1 then it indicates date is less than given.
• if Return value = 0 then it indicates date is equal to given.

Examples

var d1 = new Date(2016, 0, 1);
new Date().compare(d1);

compareWithEquals()

Compare two javascript Date objects with equality check.

Arguments

• date - A javascript Date.

Returns

• if Return value == -1 then it indicates date is greater than or equal to given.
• if Return value == 1 then it indicates date is less than or equal to given.

Examples

var d1 = new Date(2016, 0, 1);
new Date().compareWithEquals(d1);

getDayOfTheWeek()

Get day of the week from javascript Date object.

Arguments

• lang - string Language code (default EN)

Returns

• Return string

Examples

new Date().getDayOfTheWeek(); // Returns "Friday"

getMonthOfTheYear()

Get month of the year from javascript Date object.

Arguments

• lang - string Language code (default EN)

Returns

• Return string

Examples

new Date().getMonthOfTheYear(); // Returns "January"

isBefore()

check is before by comparing javascript Date object.

Arguments

• date - A javascript Date.

Returns

• Return boolean

Examples

var d1 = new Date(2016, 0, 1);
new Date().isBefore(d1); // Returns "false"

getDaysInMonth()

check is before by comparing javascript Date object.

Arguments

• void

Returns

• number of days

Examples

new Date(2016, 0, 1).getDaysInMonth(); // Returns 31
new Date(2016, 1, 1).getDaysInMonth(); // Returns 29

License

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/

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Copyright 2016 Md. Mahfuzur Rahman mahfuz@student.sust.edu

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