@winstrike/next-i18next-koa/dist/commonjs/utils/lng-from-req.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _default = function _default(req) {
  if (!req.i18n) {
    return null;
  }

  var _req$i18n$options = req.i18n.options,
      allLanguages = _req$i18n$options.allLanguages,
      defaultLanguage = _req$i18n$options.defaultLanguage,
      fallbackLng = _req$i18n$options.fallbackLng;
  var fallback = fallbackLng || defaultLanguage;

  if (!req.i18n.languages) {
    return fallback;
  }

  var language = req.i18n.languages.find(function (l) {
    return allLanguages.includes(l);
  }) || fallback;
  return language;
};

exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;