next-intl
Advanced tools
Package description
The next-intl package is designed to provide internationalization (i18n) support for Next.js applications. It allows developers to easily manage translations, handle locale routing, and format dates, numbers, and other content according to locale-specific rules.
Translation Management
This feature allows you to manage translations for different components. The `useTranslations` hook is used to fetch the translations for a specific namespace, and you can then use the translation keys to display localized text.
import { useTranslations } from 'next-intl';
export default function MyComponent() {
const t = useTranslations('MyComponent');
return <p>{t('hello')}</p>;
}Locale Routing
This feature allows you to handle locale-specific routing in your Next.js application. By using the `useRouter` hook, you can programmatically change the locale and update the URL accordingly.
import { useRouter } from 'next/router';
export default function LocaleSwitcher() {
const router = useRouter();
const changeLocale = (locale) => {
router.push(router.pathname, router.asPath, { locale });
};
return (
<div>
<button onClick={() => changeLocale('en')}>English</button>
<button onClick={() => changeLocale('fr')}>French</button>
</div>
);
}Date and Number Formatting
This feature allows you to format dates, numbers, and other content according to locale-specific rules. The `useIntl` hook provides methods like `formatDate` to format dates in a localized manner.
import { useIntl } from 'next-intl';
export default function DateFormatter() {
const intl = useIntl();
const formattedDate = intl.formatDate(new Date(), { year: 'numeric', month: 'long', day: 'numeric' });
return <p>{formattedDate}</p>;
}react-intl is a popular library for internationalizing React applications. It provides similar functionalities to next-intl, such as translation management and date/number formatting. However, it does not offer built-in support for Next.js-specific features like locale routing.
i18next is a powerful internationalization framework that can be used with various JavaScript libraries, including React. It offers extensive features for managing translations, handling pluralization, and more. While it is more versatile, it requires additional setup to integrate with Next.js compared to next-intl.
next-translate is another Next.js-specific internationalization library. It provides similar functionalities to next-intl, such as translation management and locale routing. However, next-translate uses a different approach for loading translations and may have different performance characteristics.
Changelog
Readme
Internationalization (i18n) for Next.js
Internationalization (i18n) is an essential part of the user experience, therefore next-intl gives you all the parts you need to get language nuances right.
// UserProfile.tsx
import {useTranslations} from 'next-intl';
export default function UserProfile({user}) {
const t = useTranslations('UserProfile');
return (
<section>
<h1>{t('title', {firstName: user.firstName})}</h1>
<p>{t('membership', {memberSince: user.memberSince})}</p>
<p>{t('followers', {count: user.numFollowers})}</p>
</section>
);
}
// en.json
{
"UserProfile": {
"title": "{username}'s profile",
"membership": "Member since {memberSince, date, short}",
"followers": "{count, plural, ↵
=0 {No followers yet} ↵
=1 {One follower} ↵
other {# followers} ↵
}"
}
}
FAQs
Internationalization (i18n) for Next.js
We found that next-intl demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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