Nuxt/lib/nuxt-legacy.js

import '@babel/polyfill'

import consola from 'consola'

import core from './core'
import builder from './builder'
import * as Utils from './common/utils'

consola.warn('You are using legacy build of Nuxt. Please consider upgrading your Node.js version to 8.x or later.')

export default Object.assign({ Utils }, core, builder)