@os-team/i18next-express-middleware

@os-team/i18next-express-middleware

Middleware for i18next and express to detect the user's language.

Usage

Install the package using the following command:

yarn add @os-team/i18next-express-middleware

Install peer dependencies using the following command:

npx install-peerdeps @os-team/i18next-express-middleware

Example

import express from 'express';
import cookieParser from 'cookie-parser';
import i18next from 'i18next';
import {
  i18nextMiddleware,
  LanguageDetector,
} from '@os-team/i18next-express-middleware';

// Initialize i18next
i18next
  .use(LanguageDetector) // Pass the LanguageDetector middleware
  .init({
    fallbackLng: 'en',

    // Pass the custom options if necessary
    detection: {
      // In what order will the detectors be started
      order: ['cookie', 'header'], // default: ['header']

      // Keys used by the detectors
      cookie: 'custom-cookie', // default: i18next
      header: 'custom-header', // default: Accept-Language
    },
  });

const app = express();
app.use(cookieParser());
app.use(i18nextMiddleware(i18next));