dt-format

Date Time Formatter

A utility class to format Date object in Javascript. It is heavily influenced by SimpleDateFormat class of Java and follow most of its specifications

Usage

Install the package using npm as shown below

npm install --save dt-format

You can import the DateTimeFormat class and use it as shown below

Pattern

const pattern = 'dd/MMM/yyyy';
console.info(DateFormat.format(new Date(), pattern)); // 21/Jul/2018

Localization

const pattern = 'dd/MMMM/yyyy';
console.info(DateFormat.format(new Date(), pattern, DateTimeLocale.de_DE)); // 21/Juli/2018

Note: If third argument is not passed then default value for locale is set to en_GB

Available Patterns

Pattern	Description
d	prints the current date i.e. 12, 21 etc
dd	prints the current date and add 0 as suffix if date is less then 10 e.g. 06
MM	prints the numeric representation of current month
MMM	print the 3 digit string representing current month. E.g. Jun, Dec etc. Note: Only english is supported for now
MMMM	print the full string representing a month. E.g. April, March etc. Note: Only english is supported for now
yy	print the 2 digit representation of year
yyyy	print the 4 digit representation of year
EE	print a number representing the current day of week
EEE	print a short string representing the current day of week i.e. Mon, Tue etc. Note: Only english is supported for now
EEEE	print a string representing the current day of week. E.g. Monday, Tuesday etc. Note: Only english is supported for now
h	print the hour in 12 hour format
hh	print the hour in 12 hour format and suffix it with 0 if it is less than 10 i.e. 09, 07 etc.
H	print the hour in 24 hour format
HH	print the hour in 24 hour format and suffix it with 0 if it is less than 10 i.e. 09, 07 etc.
m	print the minute value
mm	print the minute and suffix it with 0 if value less than 10 i.e. 09, 04 etc.
s	print the second value
ss	print the second and suffix it with 0 if value less than 10 i.e. 09, 04 etc.
S	print the milli second value
SS	print the milli second and suffix it with 0 if value less than 10 i.e. 04, 06 etc.
SSS	print the milli second and suffix it with 0 if value less than 100 i.e. 094, 067 etc.
a	print AM or PM depending on hour

Supported Locales

Below is the table with all the supported locale in this library. You can get all the mentioned values from DateTimeLocale object which can be imported as below

import { DateTimeLocale } from 'dt-format';

Language	Code
English	en_GB
French	fr_FR
German	de_DE
Simplified Chinese	zh_CN
Russian	ru_RU
Arabic	ar_SA
Japanese	ja_JP