Yurko-Fedoriv

(function (window, document, angular, undefined) {
  'use strict';
  angular.module('angular-snap-engage', [])
    .provider('SnapEngage', function () {
      var account,
          created = false;

      /**
       * Configuration Methods
       **/

Yurko-Fedoriv

function reverse(string) {
    return string
        .split('')
        .reverse()
        .join('');
}

// function to calculate EAN / UPC checkdigit
function eanCheckDigit(s) {
    var result = 0;