How to use the vuex.Store.call function in vuex

function LoguxState (client, config, vuexConfig) {
  var self = this

  Store.call(this, deepClone(vuexConfig))

  this.client = client
  this.log = client.log

  var init
  var prevMeta
  var replaying
  var wait = {}
  var history = {}
  var actionCount = 0
  var started = (function (now) {
    return { id: now, time: now[0] }
  })(client.log.generateId())

  self.initialize = new Promise(function (resolve) {
    init = resolve