https://fabricconf.com/content/scripts/jquery.creditCardValidator.js

1// Generated by CoffeeScript 1.4.0
2
3/*
4jQuery Credit Card Validator
5
6Copyright 2012 Pawel Decowski
7
8This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
9Unported License. To view a copy of this license, visit:
10
11http://creativecommons.org/licenses/by-sa/3.0/
12
13or send a letter to:
14
15Creative Commons, 444 Castro Street, Suite 900,
16Mountain View, California, 94041, USA.
17*/
18
19
20(function() {
21  var $,
22    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
23
24  $ = jQuery;
25
26  $.fn.validateCreditCard = function(callback, options) {
27    var card, card_type, card_types, get_card_type, is_valid_length, is_valid_luhn, normalize, validate, validate_number, _i, _len, _ref, _ref1;
28
29    card_types = [
30      {
31        name: 'amex',
32        pattern: /^3[47]/,
33        valid_length: [15]
34      }, {
35        name: 'diners_club_carte_blanche',
36        pattern: /^30[0-5]/,
37        valid_length: [14]
38      }, {
39        name: 'diners_club_international',
40        pattern: /^36/,
41        valid_length: [14]
42      }, {
43        name: 'jcb',
44        pattern: /^35(2[89]|[3-8][0-9])/,
45        valid_length: [16]
46      }, {
47        name: 'laser',
48        pattern: /^(6304|670[69]|6771)/,
49        valid_length: [16, 17, 18, 19]
50      }, {
51        name: 'visa_electron',
52        pattern: /^(4026|417500|4508|4844|491(3|7))/,
53        valid_length: [16]
54      }, {
55        name: 'visa',
56        pattern: /^4/,
57        valid_length: [16]
58      }, {
59        name: 'mastercard',
60        pattern: /^5[1-5]/,
61        valid_length: [16]
62      }, {
63        name: 'maestro',
64        pattern: /^(5018|5020|5038|6304|6759|676[1-3])/,
65        valid_length: [12, 13, 14, 15, 16, 17, 18, 19]
66      }, {
67        name: 'discover',
68        pattern: /^(6011|622(12[6-9]|1[3-9][0-9]|[2-8][0-9]{2}|9[0-1][0-9]|92[0-5]|64[4-9])|65)/,
69        valid_length: [16]
70      }
71    ];
72    if (options == null) {
73      options = {};
74    }
75    if ((_ref = options.accept) == null) {
76      options.accept = (function() {
77        var _i, _len, _results;
78        _results = [];
79        for (_i = 0, _len = card_types.length; _i < _len; _i++) {
80          card = card_types[_i];
81          _results.push(card.name);
82        }
83        return _results;
84      })();
85    }
86    _ref1 = options.accept;
87    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
88      card_type = _ref1[_i];
89      if (__indexOf.call((function() {
90        var _j, _len1, _results;
91        _results = [];
92        for (_j = 0, _len1 = card_types.length; _j < _len1; _j++) {
93          card = card_types[_j];
94          _results.push(card.name);
95        }
96        return _results;
97      })(), card_type) < 0) {
98        throw "Credit card type '" + card_type + "' is not supported";
99      }
100    }
101    get_card_type = function(number) {
102      var _j, _len1, _ref2;
103      _ref2 = (function() {
104        var _k, _len1, _ref2, _results;
105        _results = [];
106        for (_k = 0, _len1 = card_types.length; _k < _len1; _k++) {
107          card = card_types[_k];
108          if (_ref2 = card.name, __indexOf.call(options.accept, _ref2) >= 0) {
109            _results.push(card);
110          }
111        }
112        return _results;
113      })();
114      for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
115        card_type = _ref2[_j];
116        if (number.match(card_type.pattern)) {
117          return card_type;
118        }
119      }
120      return null;
121    };
122    is_valid_luhn = function(number) {
123      var digit, n, sum, _j, _len1, _ref2;
124      sum = 0;
125      _ref2 = number.split('').reverse();
126      for (n = _j = 0, _len1 = _ref2.length; _j < _len1; n = ++_j) {
127        digit = _ref2[n];
128        digit = +digit;
129        if (n % 2) {
130          digit *= 2;
131          if (digit < 10) {
132            sum += digit;
133          } else {
134            sum += digit - 9;
135          }
136        } else {
137          sum += digit;
138        }
139      }
140      return sum % 10 === 0;
141    };
142    is_valid_length = function(number, card_type) {
143      var _ref2;
144      return _ref2 = number.length, __indexOf.call(card_type.valid_length, _ref2) >= 0;
145    };
146    validate_number = function(number) {
147      var length_valid, luhn_valid;
148      card_type = get_card_type(number);
149      luhn_valid = false;