1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298 |
1×
1×
295×
1×
173×
1×
10×
1×
120×
1×
118×
1×
10×
1×
9×
1×
12×
1×
9×
1×
334×
1×
17×
1×
468×
1×
13×
1×
13×
1×
27×
1×
17×
1×
15×
1×
18×
1×
12×
1×
151×
1×
101×
1×
84×
1×
63×
1×
55×
1×
21×
1×
67×
15×
52×
1×
34×
34×
1×
16×
1×
8×
4×
4×
4×
1×
3×
1×
67×
1×
12×
8×
4×
1×
23×
23×
6×
17×
17×
10×
17×
36×
11×
6×
7×
3×
7×
9×
1×
13×
1×
34×
2×
32×
32×
5×
27×
4×
23×
12×
11×
21×
15×
6×
1×
14×
8×
6×
6×
1×
18×
1×
13×
4×
4×
13×
1×
13×
13×
1×
4×
9×
1×
22×
7×
15×
15×
1×
12×
8×
4×
4×
2×
2×
1×
16×
1×
16×
|
var utils = require('./utils'),
urlLib = require('url');
/*
* Types
*/
exports.nan = exports.NaN = function (value) {
return utils.getType(value) === '[object Number]' && (Number.isNaN || isNaN)(value);
};
exports.array = function (value) {
return Array.isArray(value);
};
exports.buffer = function (value) {
return Buffer.isBuffer(value);
};
exports.object = function (value) {
return utils.getType(value) === '[object Object]' || exports.arguments(value);
};
exports.arguments = function (value) {
return utils.getType(value) === '[object Arguments]';
};
exports.boolean = function (value) {
return utils.getType(value) === '[object Boolean]';
};
exports.regexp = function (value) {
return utils.getType(value) === '[object RegExp]';
};
exports.error = function (value) {
return utils.getType(value) === '[object Error]';
};
exports.function = function (value) {
return utils.getType(value) === '[object Function]';
};
exports.string = function (value) {
return utils.getType(value) === '[object String]';
};
exports.date = function (value) {
return utils.getType(value) === '[object Date]';
};
exports.number = function (value) {
return utils.getType(value) === '[object Number]' && !exports.NaN(value);
};
exports.positive = function (value) {
// zero is neither positive nor negative
return exports.number(value) && value > 0;
};
exports.negative = function (value) {
// zero is neither positive nor negative
return exports.number(value) && value < 0;
};
exports.integer = exports.int = function (value) {
//return Number.isInteger(value);
return exports.number(value) && (value % 1 == 0);
};
exports.float = function (value) {
return exports.number(value) && !exports.integer(value);
};
exports.hexa = function (value) {
return (exports.string(value) || exports.number(value)) && /^[a-f0-9]+$/i.test(value);
};
exports.alphanum = function (value) {
return exports.string(value) && /^[a-z0-9]+$/i.test(value);
};
exports.exist = function (value) {
return typeof value !== "undefined" && value !== null;
};
exports.equal = exports.exactly = function (value, args) {
return (exports.number(value) || (exports.string(value) && !exports.empty(value))) && value == args[0];
};
exports.above = exports.greaterThan = exports.greaterthan = function (value, args) {
return (exports.number(value) || (exports.string(value) && !exports.empty(value))) && value > parseFloat(args[0]);
};
exports.least = function (value, args) {
return exports.equal(value, args) || exports.above(value, args);
};
exports.below = exports.lessThan = exports.lessthan = function (value, args) {
return (exports.number(value) || (exports.string(value) && !exports.empty(value))) && value < parseFloat(args[0]);
};
exports.most = function (value, args) {
return exports.equal(value, args) || exports.below(value, args);
};
exports.contain = function (value, args) {
return (exports.number(value) || exports.string(value)) && String(value).indexOf(args[0].replace('\\', '')) > -1;
};
exports.empty = function (value) {
if (
(exports.object(value) && !Object.keys(value).length)
||
(exports.array(value) && !value.length)
||
(exports.string(value) && !value.length)
||
value == null
)
return true;
return false;
};
exports.match = function (value, args, flags) {
flags = flags || '';
return new RegExp(args[0], flags).test(String(value));
};
exports.imatch = function (value, args) {
return exports.match(value, args, 'i');
};
exports.year = function (value, args) {
if (!exports.date(value))
return false;
var diff = new Date().getFullYear() - value.getFullYear()
if (args.length >= 2)
return exports.within(diff, args);
return exports.least(diff, args);
};
exports.within = exports.between = exports.range = function (value, args) {
return exports.least(value, [args[0]]) && exports.most(value, [args[1]]);
};
exports.key = function (value, args) {
if (!exports.object(value))
return false;
return exports.include(Object.keys(value), args);
};
exports.include = function (value, args, some) {
some = some || false;
if (!args || !exports.array(args) || (!exports.array(value) && !exports.number(value) && !exports.string(value))) {
return false;
}
var method = some ? 'some' : 'every';
if (exports.array(value)) {
return args[method](function (v) {
for (var i = 0, arrLength = value.length; i < arrLength; i++) {
if (value[i] == v)
return true;
}
return false;
});
}
else if (exports.number(value))
value = String(value);
return args[method](function (v) {
return value.indexOf(v) > -1;
});
};
exports.in = function (value, args) {
return (exports.number(value) || exports.string(value) || exports.array(value)) && exports.include(value, args, true);
};
exports.length = exports.size = function (value, args) {
if (typeof value == 'undefined')
return false;
var data;
if (exports.object(value))
data = Object.keys(value).length;
else if (exports.array(value))
data = value.length;
else if (exports.string(value))
data = value.length;
else
return false;
if (args.length == 2)
return exports.within(data, args);
return exports.equal(data, [args[0]]);
};
exports.url = function (value) {
if (!exports.string(value))
return false;
var urlInfo = urlLib.parse(value);
return !exports.empty(urlInfo.protocol) && !exports.empty(urlInfo.hostname) && !exports.empty(urlInfo.pathname);
};
exports.email = function (value) {
return /^[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[a-z]{2,})\b/i.test(value);
};
exports.ip = function (value) {
if (/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.test(value)) {
var result = true, currentResult = true, arrParts = value.split('.');
arrParts.some(function (part) {
if (part < 0 || part > 255)
currentResult=false;
result = result && currentResult;
if (!result)
return true;
});
return result;
}
return false;
};
exports.creditcard = function (value) {
// http://www.regular-expressions.info/creditcard.html
// All Visa card numbers start with a 4. New cards have 16 digits. Old cards have 13.
// All MasterCard numbers start with the numbers 51 through 55. All have 16 digits.
// American Express card numbers start with 34 or 37 and have 15 digits.
// Diners Club card numbers begin with 300 through 305, 36 or 38. All have 14 digits. There are Diners Club cards that begin with 5 and have 16 digits. These are a joint venture between Diners Club and MasterCard, and should be processed like a MasterCard.
// Discover card numbers begin with 6011 or 65. All have 16 digits.
// JCB cards beginning with 2131 or 1800 have 15 digits. JCB cards beginning with 35 have 16 digits.
if (!exports.string(value) && !exports.number(value))
return false;
value = String(value).replace(/[^0-9]+/g, '');
return /^4[0-9]{12}(?:[0-9]{3})?$/.test(value) // Visa
|| /^5[1-5][0-9]{14}$/.test(value) // MasterCard
|| /^3[47][0-9]{13}$/.test(value) // American Express
|| /^3(?:0[0-5]|[68][0-9])[0-9]{11}$/.test(value) // Diner Club
|| /^6(?:011|5[0-9]{2})[0-9]{12}$/.test(value) // Discover
|| /^(?:2131|1800|35\d{3})\d{11}$/.test(value); // JCB
};
exports.json = function (value) {
if (!exports.string(value))
return false;
try {
JSON.parse(value);
}
catch (e) {
return false;
}
return true;
};
exports.lat = function (value) {
return exports.within(value, [-90, 90]);
};
exports.lng = function (value) {
return exports.within(value, [-180, 180]);
};
|