@winstrike/next-i18next-koa/dist/es/create-i18next-client.js

The easiest way to translate your NextJs apps. With Koa support only. Forked from 'next-i18next'.

import isNode from 'detect-node';
import i18next from 'i18next';
import i18nextXHRBackend from 'i18next-xhr-backend';
import I18nextBrowserLanguageDetector from 'i18next-browser-languagedetector';
const i18n = i18next.default ? i18next.default : i18next;
i18n.nsFromReactTree = [];
export default (config => {
  if (!i18n.isInitialized) {
    if (isNode) {
      const i18nextNodeBackend = eval("require('i18next-node-fs-backend')");
      const i18nextMiddleware = eval("require('koa-i18next-middleware-fixed')");
      i18n.use(i18nextNodeBackend);

      if (config.serverLanguageDetection) {
        const serverDetectors = new i18nextMiddleware.LanguageDetector();
        config.customDetectors.forEach(detector => serverDetectors.addDetector(detector));
        i18n.use(serverDetectors);
      }
    } else {
      i18n.use(i18nextXHRBackend);

      if (config.browserLanguageDetection) {
        const browserDetectors = new I18nextBrowserLanguageDetector();
        config.customDetectors.forEach(detector => browserDetectors.addDetector(detector));
        i18n.use(browserDetectors);
      }
    }

    config.use.forEach(x => i18n.use(x));
    i18n.init(config);
  }

  return i18n;
});