documenso/packages/lib/client-only/providers/i18n.client.tsx

import { type Messages, setupI18n } from '@lingui/core';
import { I18nProvider } from '@lingui/react';
import { useState } from 'react';

import type { I18nLocaleData } from '../../constants/i18n';

export function I18nClientProvider({
  children,
  initialLocaleData,
  initialMessages,
}: {
  children: React.ReactNode;
  initialLocaleData: I18nLocaleData;
  initialMessages: Messages;
}) {
  const { lang, locales } = initialLocaleData;

  const [i18n] = useState(() => {
    return setupI18n({
      locale: lang,
      locales: locales,
      messages: { [lang]: initialMessages },
    });
  });

  return <I18nProvider i18n={i18n}>{children}</I18nProvider>;
}