Message Format

A utility to format string messages. It is influenced by Java's MessageFormat class and support most of its functionality.

Usage

Install the package using npm as shown below

npm install --save msg-format

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

String

const text = 'I am {0}!!!';
const name = 'Groot';
console.info(MessageFormat.format(text, name)); // I am Groot!!!

// or

const text = 'I am {0}!!!I am {1}';
const name = 'Groot';
const state = 'hungry';
console.info(MessageFormat.format(text, name, state)); // I am Groot!!!I am hungry

// or

const text = 'I am {0}!!!I am {1}';
const name = 'Groot';
const state = 'hungry';
console.info(MessageFormat.format(text, [name, state])); // I am Groot!!!I am hungry

Date/Time

const date = new Date();
console.info(MessageFormat.format('Current time: {0, time}', date)); // Current time: 16:32
console.info(MessageFormat.format('Today: {0, date}', date)); // Today: 21/07/2018

Localization

import { MessageFormat, MessageLocale } from 'msg-format';

const date = new Date();
console.info(MessageFormat.format('Today is: {0, date, EEEE}', date)); // Today is: Sunday
console.info(MessageFormat.formatWithLocale('Aujourd\'hui est {0, date, EEEE}. Bonjour {1}', MessageLocale.fr_FR, date, 'John Doe')); // Aujourd'hui est Dimanche. Bonjour John Doe

MessageLocale

Below is the table with all the supported locale in this library. You can get all the mentioned values from MessageLocale object.

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