react-intl

What is react-intl?

The react-intl package is a comprehensive internationalization library for React that provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.

What are react-intl's main functionalities?

Internationalized messages

Allows you to define messages for translations that can be used throughout your application. The FormattedMessage component displays the message corresponding to the current locale.

{"<FormattedMessage id='greeting' defaultMessage='Hello, World!' />"}

Date and time formatting

Enables you to format dates and times according to the rules of the user's locale. The FormattedDate component automatically formats the date value to a readable string.

{"<FormattedDate value={new Date()} year='numeric' month='long' day='numeric' weekday='long' />"}

Number and currency formatting

Provides components to format numbers and currencies. The FormattedNumber component formats the number as a currency string according to the current locale and specified currency.

{"<FormattedNumber value={1000} style='currency' currency='USD' />"}

Pluralization

Supports plural forms in messages, allowing you to handle singular and plural cases for different languages. The FormattedMessage component is used with a plural format string to correctly display singular or plural text based on the count.

{"<FormattedMessage id='itemCount' defaultMessage='{count, plural, one {# item} other {# items}}' values={{count: itemCount}} />"}

Rich text formatting

Allows for rich text formatting within translations by passing components or HTML elements as values to the FormattedMessage component.

{"<FormattedMessage id='welcome' defaultMessage='Welcome, <b>{name}</b>!' values={{name: <b>John</b>}} tagName='p' />"}

Other packages similar to react-intl

i18next

i18next is a powerful internationalization framework for JavaScript, which provides a similar set of features for translating content. It is more flexible than react-intl and can be used with other frameworks besides React.

react-i18next

react-i18next is built on top of i18next and is specifically designed for React applications. It offers a similar feature set to react-intl but with a different API and additional features like namespace support and server-side rendering capabilities.

react-i18nify

React-i18nify is a simple translation and localization library for React and React Native, offering a simpler API and smaller bundle size compared to react-intl. It lacks some of the advanced formatting options provided by react-intl.

README

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