Installation

import {NextIntlProvider} from 'next-intl';

export default function App({Component, pageProps}) {
  // If you don't use internationalized routing, you need to pass a `locale` to the provider.
  return (
    <NextIntlProvider messages={pageProps.messages}>
      <Component {...pageProps} />
    </NextIntlProvider>
  );
}

// pages/index.js
export async function getStaticProps(context) {
  // I you don' use internationalized routing, define this statically.
  const locale = context.locale;

  return {
    props: {
      // You can get the messages from anywhere you like. The recommended
      // pattern is to put them in JSON files separated by language.
      messages: (await import(`../../messages/${locale}.json`)).default
    }
  };
}