Implementação genérica do store sem Vuex

store.js

const store = {
  _username: '',
  _email: '',
  _token: '',

  isLogged () {
    return this.token
  },

  set username (str) {
    this._username = str
    localStorage.setItem('username',str)
  },
  get username () {
    return this._username || localStorage.getItem('username')
  },

  set email (str) {
    this._email = str
    localStorage.setItem('email',str)
  },
  get email () {
    return this._email || localStorage.getItem('email')
  },

  set token (str) {
    this._token = str
    localStorage.setItem('token',str)
  },
  get token () {
    return this._token || localStorage.getItem('token')
  }

}
export default store;