@nuxtjs/i18n/src/templates/middleware.js

i18n for Nuxt

// @ts-ignore
import nuxtMiddleware from '../middleware'

/** @type {import('@nuxt/types').Middleware} */
const i18nMiddleware = async (context) => {
  const { app, isHMR } = context

  if (isHMR) {
    return
  }

  const [status, redirectPath, preserveQuery] = await app.i18n.__onNavigate(context.route)
  if (status && redirectPath) {
    const query = preserveQuery ? context.route.query : undefined
    context.redirect(status, redirectPath, query)
  }
}

nuxtMiddleware.nuxti18n = i18nMiddleware