next-i18next.config.mjs

const debugI18n = ['true', 1].includes(
  process?.env?.NEXTJS_DEBUG_I18N ?? 'false'
);

const localePublicFolder = undefined;

export const defaultLocale = 'en';

const getLocalesPath = async () => {
  if ('window' in globalThis) {
    return localePublicFolder;
  }
  // eslint-disable-next-line unicorn/prefer-node-protocol,unicorn/import-style
  const path = await import('path').then((mod) => mod.default);
  return path.resolve('../../packages/common-i18n/src/locales');
};

const localePath = await getLocalesPath();

/**
 * @type {import('next-i18next').UserConfig}
 */
export default {
  i18n: {
    defaultLocale,
    locales: ['en', 'fr'],
  },
  saveMissing: false,
  strictMode: true,
  serializeConfig: false,
  reloadOnPrerender: process?.env?.NODE_ENV === 'development',
  react: {
    useSuspense: false,
  },
  debug: debugI18n,
  /*
  interpolation: {
    escapeValue: false,
  },
  */
  localePath,
};