@formatjs/intl

What is @formatjs/intl?

@formatjs/intl is a collection of internationalization (i18n) libraries that help you format dates, numbers, and strings for different locales. It provides a comprehensive set of tools to handle localization in JavaScript applications.

What are @formatjs/intl's main functionalities?

Date Formatting

This feature allows you to format dates according to different locales. The code sample demonstrates how to format a date in the 'en-US' locale.

const { IntlDateTimeFormat } = require('@formatjs/intl');
const date = new Date();
const formatter = new IntlDateTimeFormat('en-US', { year: 'numeric', month: 'long', day: 'numeric' });
console.log(formatter.format(date)); // Output: October 5, 2023

Number Formatting

This feature allows you to format numbers according to different locales and styles. The code sample demonstrates how to format a number as a currency in the 'de-DE' locale.

const { IntlNumberFormat } = require('@formatjs/intl');
const number = 1234567.89;
const formatter = new IntlNumberFormat('de-DE', { style: 'currency', currency: 'EUR' });
console.log(formatter.format(number)); // Output: 1.234.567,89 €

Message Formatting

This feature allows you to format messages with placeholders that can be replaced with dynamic values. The code sample demonstrates how to format a message with a placeholder for a name.

const { IntlMessageFormat } = require('@formatjs/intl');
const message = new IntlMessageFormat('Hello, {name}!', 'en-US');
console.log(message.format({ name: 'John' })); // Output: Hello, John!

Other packages similar to @formatjs/intl

i18next

i18next is a popular internationalization framework for JavaScript. It provides a complete solution for localizing your app, including support for translation files, pluralization, and interpolation. Compared to @formatjs/intl, i18next offers a more comprehensive solution for managing translations and localization workflows.

globalize

Globalize is a library for internationalization and localization in JavaScript. It provides tools for formatting dates, numbers, and messages, similar to @formatjs/intl. However, Globalize is built on top of the Unicode CLDR data, which makes it highly reliable for handling various locale-specific formatting needs.

react-intl

React-Intl is a part of the FormatJS suite and is specifically designed for React applications. It provides React components and an API to format dates, numbers, and strings. While @formatjs/intl is more general-purpose, React-Intl is tailored for use with React, making it easier to integrate into React projects.

README

@formatjs/intl

We've migrated the docs to https://formatjs.io/docs/intl.