Auth.js

import Api from '../common/api/Api'

export default class Auth extends Api {
  constructor () {
    super()
    this.setDomain('auth')
  }
}

Auth2.js

import Api from '../common/api/Api'
import store from '../../../vuex'

export default class Auth extends Api {

  constructor () {
    super()
    this.setDomain('auth')
  }

  async login (data) {
    return new Promise((resolve, reject) => {
      this.post({route: 'login', data})
        .then(loginResponse => {
          store.dispatch('login', loginResponse).then((response) => {
            resolve(response)
          })
        })
        .catch(e => {
          console.log(e)
          reject()
        })
    })
  }

  async logout () {
    return new Promise((resolve, reject) => {
      let data = {}
      this.post({route: 'logout', data})
        .then(() => {
          store.dispatch('logout').then(() => {
            resolve()
          })
        })
        .catch(e => {
          console.log(e)
          reject()
        })
    })
  }
}