How to get vuex state from a javascript file (instead of a vue component)

Question

I am working with vuex (2.1.1) and get things working within vue single file components. However to avoid too much cruft in my vue single file component I moved some functions t

Answer 1

It is possible to access the store as an object in an external js file, I have also added a test to demonstrate the changes in the state.

here is the external js file:

import { store } from '../store/store'

export function getAuth () {
  return store.state.authorization.AUTH_STATE
}

The state module:

import * as NameSpace from '../NameSpace'
/*
   Import everything in NameSpace.js as an object.
   call that object NameSpace.
   NameSpace exports const strings.
*/

import { ParseService } from '../../Services/parse'

const state = {
  [NameSpace.AUTH_STATE]: {
    auth: {},
    error: null
  }
}

const getters = {
  [NameSpace.AUTH_GETTER]: state => {
    return state[NameSpace.AUTH_STATE]
  }
}

const mutations = {
  [NameSpace.AUTH_MUTATION]: (state, payload) => {
    state[NameSpace.AUTH_STATE] = payload
  }
}

const actions = {
  [NameSpace.ASYNC_AUTH_ACTION]: ({ commit }, payload) => {
    ParseService.login(payload.username, payload.password)
      .then((user) => {
        commit(NameSpace.AUTH_MUTATION, {auth: user, error: null})
      })
      .catch((error) => {
        commit(NameSpace.AUTH_MUTATION, {auth: [], error: error})
      })
  }

export default {
  state,
  getters,
  mutations,
  actions
}

The store:

import Vue from 'vue'
import Vuex from 'vuex'
import authorization from './modules/authorization'

Vue.use(Vuex)

export const store = new Vuex.Store({
  modules: {         
    authorization    
  }                  
})                   

So far all I have done is create a js file which exports a function returning the AUTH_STATE property of authorization state variable.

A component for testing:

On the button click default state is logged on to the console. The action in my case results in an api call, resulting a state change if the username - password combination had a record.

A success case results in showing the console in authState watch, the imported function can print the changes made to the state.

Likewise, on a fail case, the watch on authError will show the changes made to the state