app_vue2/nuxt.config.js

import build from './config/nuxtConfig/build'
import env from './config/nuxtConfig/env'
import head from './config/nuxtConfig/head'
import modules from './config/nuxtConfig/modules'
import plugins from './config/nuxtConfig/plugins'
import i18n from './config/nuxtConfig/i18n'
import vuetify from './config/nuxtConfig/vuetify'

export default {
  ...build,
  ...env,
  ...head,
  ...modules,
  ...plugins,
  ...i18n,
  ...vuetify
}