vuejsi18n

in main.js

import VueI18n from 'vue-i18n'
import lang from './language/lang'

const i18n = new VueI18n({
  locale: 'pt-BR', // set locale
  messages: lang // set locale messages
}

new Vue({
  el: '#app',
  router,
  template: '<App/>',
  closeLoading: true,
  i18n
})

in lang.js
import { ptBR } from './ptBR'

export default {
  'pt-BR': ptBR
}

in ptbr.js
export const ptBR = {
  general: {
    loading: 'Aguarde, processando ... ',
    construction: 'Obra',
    message: 'Mensagem',
    user: 'Usuário',
    client: 'Cliente',
    companiy: 'Empresa'
  }
}


in your .vue file
<p>{{ $t("general.loading") }}</p>