service.js

  constructor ($scope, angularServices, coreServices) {
    this.$scope = $scope;

    const { $http, $timeout, $location, $state } = angularServices;
    const { config } = coreServices;

    this.$http = $http;
    this.$timeout = $timeout;
    this.$location = $location;
    this.$state = $state;
    this.config = config;