sendou.ink/app/modules/i18n/loader.ts

import i18next from "i18next";
import LanguageDetector from "i18next-browser-languagedetector";
import Backend from "i18next-http-backend";
import { initReactI18next } from "react-i18next";
import { getInitialNamespaces } from "remix-i18next";
import { config } from "./config";

export function i18nLoader() {
  return i18next
    .use(initReactI18next)
    .use(LanguageDetector)
    .use(Backend)
    .init({
      ...config,
      ns: getInitialNamespaces(),
      backend: {
        loadPath: "/locales/{{lng}}/{{ns}}.json",
      },
      detection: {
        order: ["htmlTag"],
        caches: [],
      },
      // without this hydration fails in E2E tests
      initImmediate: false,
    });
}