Add IP address in log

@@ -122,6 +122,7 @@ io.sockets.on('connection', function(socket) {
     })
 })
 
-server.listen(PORT, function(){
+// 서버 가동(IPv4 형식으로 express 설정)
+server.listen(PORT, '127.0.0.1', function(){
     console.log(logString+"서버가 시작되었습니다.(Port: "+PORT+")");
 });
\ No newline at end of file

+The MIT License (MIT)
+
+Copyright (c) 2014-2016 Aras Atasaygin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

+is.js
+=====
+
+[![JS.ORG](https://img.shields.io/badge/js.org-is-ffb400.svg?style=flat-square)](http://js.org)
+
+####This is a general-purpose check library.
+- No dependencies
+- AMD, Node & browser ready
+
+####Usage:
+
+Node.js:
+```
+npm install is_js
+```
+
+Bower:
+```
+bower install is_js
+```
+
+Build:
+```
+npm run build
+```
+
+Test:
+```
+npm test
+```
+
+####Contributing:
+Thanks for considering to contribute. Check [here](CONTRIBUTING.md)
+
+####Contributors:
+Many thanks to our contributors: https://github.com/arasatasaygin/is.js/graphs/contributors
+
+Type checks
+===========
+
+is.arguments(value:any)
+-----------------------
+####Checks if the given value type is arguments.
+interfaces: not, all, any
+
+```javascript
+var getArguments = function() {
+    return arguments;
+};
+var arguments = getArguments();
+
+is.arguments(arguments);
+=> true
+
+is.not.arguments({foo: 'bar'});
+=> true
+
+is.all.arguments(arguments, 'bar');
+=> false
+
+is.any.arguments(['foo'], arguments);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.arguments([arguments, 'foo', 'bar']);
+=> false
+```
+
+is.array(value:any)
+-------------------
+####Checks if the given value type is array.
+interfaces: not, all, any
+
+```javascript
+is.array(['foo', 'bar', 'baz']);
+=> true
+
+is.not.array({foo: 'bar'});
+=> true
+
+is.all.array(['foo'], 'bar');
+=> false
+
+is.any.array(['foo'], 'bar');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.array([[1, 2], 'foo', 'bar']);
+=> false
+```
+
+is.boolean(value:any)
+---------------------
+####Checks if the given value type is boolean.
+interfaces: not, all, any
+
+```javascript
+is.boolean(true);
+=> true
+
+is.not.boolean({foo: 'bar'});
+=> true
+
+is.all.boolean(true, 'bar');
+=> false
+
+is.any.boolean(true, 'bar');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.boolean([true, 'foo', 'bar']);
+=> false
+```
+
+is.date(value:any)
+------------------
+####Checks if the given value type is date.
+interfaces: not, all, any
+
+```javascript
+is.date(new Date());
+=> true
+
+is.not.date({foo: 'bar'});
+=> true
+
+is.all.date(new Date(), 'bar');
+=> false
+
+is.any.date(new Date(), 'bar');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.date([new Date(), 'foo', 'bar']);
+=> false
+```
+
+is.domNode(value:any)
+-----------------------------
+####Checks if the given object is a dom node.
+interfaces: not, all, any
+
+```javascript
+var obj = document.createElement('div');
+is.domNode(obj);
+=> true
+
+is.domNode({nope: 'nope'});
+=> false
+
+is.not.domNode({});
+=> true
+
+is.all.domNode(obj, obj);
+=> true
+
+is.any.domNode(obj, {nope: 'nope'});
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.domNode([obj, {nope: 'nope'}]);
+=> false
+```
+
+is.error(value:any)
+-------------------
+####Checks if the given value type is error.
+interfaces: not, all, any
+
+```javascript
+is.error(new Error());
+=> true
+
+is.not.error({foo: 'bar'});
+=> true
+
+is.all.error(new Error(), 'bar');
+=> false
+
+is.any.error(new Error(), 'bar');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.error([new Error(), 'foo', 'bar']);
+=> false
+```
+
+is.function(value:any)
+----------------------
+####Checks if the given value type is function.
+interfaces: not, all, any
+
+```javascript
+is.function(toString);
+=> true
+
+is.not.function({foo: 'bar'});
+=> true
+
+is.all.function(toString, 'bar');
+=> false
+
+is.any.function(toString, 'bar');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.function([toString, 'foo', 'bar']);
+=> false
+```
+
+is.nan(value:any)
+-----------------
+####Checks if the given value type is NaN.
+interfaces: not, all, any
+
+```javascript
+is.nan(NaN);
+=> true
+
+is.not.nan(42);
+=> true
+
+is.all.nan(NaN, 1);
+=> false
+
+is.any.nan(NaN, 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.nan([NaN, 'foo', 1]);
+=> false
+```
+
+is.null(value:any)
+------------------
+####Checks if the given value type is null.
+interfaces: not, all, any
+
+```javascript
+is.null(null);
+=> true
+
+is.not.null(42);
+=> true
+
+is.all.null(null, 1);
+=> false
+
+is.any.null(null, 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.null([null, 'foo', 1]);
+=> false
+```
+
+is.number(value:any)
+--------------------
+####Checks if the given value type is number.
+interfaces: not, all, any
+
+```javascript
+is.number(42);
+=> true
+
+is.number(NaN);
+=> false
+
+is.not.number('42');
+=> true
+
+is.all.number('foo', 1);
+=> false
+
+is.any.number({}, 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.number([42, 'foo', 1]);
+=> false
+```
+
+is.object(value:any)
+--------------------
+####Checks if the given value type is object.
+interfaces: not, all, any
+
+```javascript
+is.object({foo: 'bar'});
+=> true
+
+// functions are also returning as true
+is.object(toString);
+=> true
+
+is.not.object('foo');
+=> true
+
+is.all.object({}, 1);
+=> false
+
+is.any.object({}, 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.object([{}, new Object()]);
+=> true
+```
+
+is.json(value:any)
+--------------------
+####Checks if the given value type is pure json object.
+interfaces: not, all, any
+
+```javascript
+is.json({foo: 'bar'});
+=> true
+
+// functions are returning as false
+is.json(toString);
+=> false
+
+is.not.json([]);
+=> true
+
+is.all.json({}, 1);
+=> false
+
+is.any.json({}, 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.json([{}, {foo: 'bar'}]);
+=> true
+```
+
+is.regexp(value:any)
+--------------------
+####Checks if the given value type is RegExp.
+interfaces: not, all, any
+
+```javascript
+is.regexp(/test/);
+=> true
+
+is.not.regexp(['foo']);
+=> true
+
+is.all.regexp(/test/, 1);
+=> false
+
+is.any.regexp(new RegExp('ab+c'), 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.regexp([{}, /test/]);
+=> false
+```
+
+is.string(value:any)
+--------------------
+####Checks if the given value type is string.
+interfaces: not, all, any
+
+```javascript
+is.string('foo');
+=> true
+
+is.not.string(['foo']);
+=> true
+
+is.all.string('foo', 1);
+=> false
+
+is.any.string('foo', 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.string([{}, 'foo']);
+=> false
+```
+
+is.char(value:any)
+--------------------
+####Checks if the given value type is char.
+interfaces: not, all, any
+
+```javascript
+is.char('f');
+=> true
+
+is.not.char(['foo']);
+=> true
+
+is.all.char('f', 1);
+=> false
+
+is.any.char('f', 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.char(['f', 'o', 'o']);
+=> true
+```
+
+is.undefined(value:any)
+-----------------------
+####Checks if the given value type is undefined.
+interfaces: not, all, any
+
+```javascript
+is.undefined(undefined);
+=> true
+
+is.not.undefined(null);
+=> true
+
+is.all.undefined(undefined, 1);
+=> false
+
+is.any.undefined(undefined, 2);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.undefined([{}, undefined]);
+=> false
+```
+
+is.sameType(value:any, other:any)
+---------------------------------
+####Checks if the given value types are same type.
+interface: not
+
+```javascript
+is.sameType(42, 7);
+=> true
+
+is.sameType(42, '7');
+=> false
+
+is.not.sameType(42, 7);
+=> false
+```
+
+is.windowObject(value:any)
+-----------------------------
+####Checks if the given object is window object.
+interfaces: not, all, any
+
+```javascript
+is.windowObject(window);
+=> true
+
+is.windowObject({nope: 'nope'});
+=> false
+
+is.not.windowObject({});
+=> true
+
+is.all.windowObject(window, {nope: 'nope'});
+=> false
+
+is.any.windowObject(window, {nope: 'nope'});
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.windowObject([window, {nope: 'nope'}]);
+=> false
+```
+
+Presence checks
+===============
+
+is.empty(value:array|object|string)
+-----------------------------------
+####Checks if the given value is empty.
+interfaces: not, all, any
+
+```javascript
+is.empty({});
+=> true
+
+is.empty([]);
+=> true
+
+is.empty('');
+=> true
+
+is.not.empty(['foo']);
+=> true
+
+is.all.empty('', {}, ['foo']);
+=> false
+
+is.any.empty([], 42);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.empty([{}, 'foo']);
+=> false
+```
+
+is.existy(value:any)
+--------------------
+####Checks if the given value is existy. (not null or undefined)
+interfaces: not, all, any
+
+```javascript
+is.existy({});
+=> true
+
+is.existy(null);
+=> false
+
+is.not.existy(undefined);
+=> true
+
+is.all.existy(null, ['foo']);
+=> false
+
+is.any.existy(undefined, 42);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.existy([{}, 'foo']);
+=> true
+```
+
+is.truthy(value:any)
+--------------------
+####Checks if the given value is truthy. (existy and not false)
+interfaces: not, all, any
+
+```javascript
+is.truthy(true);
+=> true
+
+is.truthy(null);
+=> false
+
+is.not.truthy(false);
+=> true
+
+is.all.truthy(null, true);
+=> false
+
+is.any.truthy(undefined, true);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.truthy([{}, true]);
+=> true
+```
+
+is.falsy(value:any)
+-------------------
+####Checks if the given value is falsy.
+interfaces: not, all, any
+
+```javascript
+is.falsy(false);
+=> true
+
+is.falsy(null);
+=> true
+
+is.not.falsy(true);
+=> true
+
+is.all.falsy(null, false);
+=> true
+
+is.any.falsy(undefined, true);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.falsy([false, true, undefined]);
+=> false
+```
+
+is.space(value:any)
+----------------------
+####Checks if the given value is space.
+interfaces: not, all, any
+
+```javascript
+is.space(' ');
+=> true
+
+is.space('foo');
+=> false
+
+is.not.space(true);
+=> true
+
+is.all.space(' ', 'foo');
+=> false
+
+is.any.space(' ', true);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.space([' ', 'foo', undefined]);
+=> false
+```
+
+RegExp checks
+=============
+
+is.url(value:any)
+-----------------
+####Checks if the given value matches url regexp.
+interfaces: not, all, any
+
+```javascript
+is.url('http://www.test.com');
+=> true
+
+is.url('foo');
+=> false
+
+is.not.url(true);
+=> true
+
+is.all.url('http://www.test.com', 'foo');
+=> false
+
+is.any.url('http://www.test.com', true);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.url(['http://www.test.com', 'foo', undefined]);
+=> false
+```
+
+is.email(value:any)
+-------------------
+####Checks if the given value matches email regexp.
+interfaces: not, all, any
+
+```javascript
+is.email('test@test.com');
+=> true
+
+is.email('foo');
+=> false
+
+is.not.email('foo');
+=> true
+
+is.all.email('test@test.com', 'foo');
+=> false
+
+is.any.email('test@test.com', 'foo');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.email(['test@test.com', 'foo', undefined]);
+=> false
+```
+
+is.creditCard(value:any)
+------------------------
+####Checks if the given value matches credit card regexp.
+interfaces: not, all, any
+
+```javascript
+is.creditCard(378282246310005);
+=> true
+
+is.creditCard(123);
+=> false
+
+is.not.creditCard(123);
+=> true
+
+is.all.creditCard(378282246310005, 123);
+=> false
+
+is.any.creditCard(378282246310005, 123);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.creditCard([378282246310005, 123, undefined]);
+=> false
+```
+
+is.alphaNumeric(value:any)
+--------------------------
+####Checks if the given value matches alpha numeric regexp.
+interfaces: not, all, any
+
+```javascript
+is.alphaNumeric('alphaNu3er1k');
+=> true
+
+is.alphaNumeric('*?');
+=> false
+
+is.not.alphaNumeric('*?');
+=> true
+
+is.all.alphaNumeric('alphaNu3er1k', '*?');
+=> false
+
+is.any.alphaNumeric('alphaNu3er1k', '*?');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.alphaNumeric(['alphaNu3er1k', '*?']);
+=> false
+```
+
+is.timeString(value:any)
+------------------------
+####Checks if the given value matches time string regexp.
+interfaces: not, all, any
+
+```javascript
+is.timeString('13:45:30');
+=> true
+
+is.timeString('90:90:90');
+=> false
+
+is.not.timeString('90:90:90');
+=> true
+
+is.all.timeString('13:45:30', '90:90:90');
+=> false
+
+is.any.timeString('13:45:30', '90:90:90');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.timeString(['13:45:30', '90:90:90']);
+=> false
+```
+
+is.dateString(value:any)
+------------------------
+####Checks if the given value matches date string regexp.
+interfaces: not, all, any
+
+```javascript
+is.dateString('11/11/2011');
+=> true
+
+is.dateString('10-21-2012');
+=> true
+
+is.dateString('90/11/2011');
+=> false
+
+is.not.dateString('90/11/2011');
+=> true
+
+is.all.dateString('11/11/2011', '90/11/2011');
+=> false
+
+is.any.dateString('11-11-2011', '90/11/2011');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.dateString(['11/11/2011', '90/11/2011']);
+=> false
+```
+
+is.usZipCode(value:any)
+-----------------------
+####Checks if the given value matches US zip code regexp.
+interfaces: not, all, any
+
+```javascript
+is.usZipCode('02201-1020');
+=> true
+
+is.usZipCode('123');
+=> false
+
+is.not.usZipCode('123');
+=> true
+
+is.all.usZipCode('02201-1020', '123');
+=> false
+
+is.any.usZipCode('02201-1020', '123');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.usZipCode(['02201-1020', '123']);
+=> false
+```
+
+is.caPostalCode(value:any)
+--------------------------
+####Checks if the given value matches Canada postal code regexp.
+interfaces: not, all, any
+
+```javascript
+is.caPostalCode('L8V3Y1');
+=> true
+
+is.caPostalCode('L8V 3Y1');
+=> true
+
+is.caPostalCode('123');
+=> false
+
+is.not.caPostalCode('123');
+=> true
+
+is.all.caPostalCode('L8V3Y1', '123');
+=> false
+
+is.any.caPostalCode('L8V3Y1', '123');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.caPostalCode(['L8V3Y1', '123']);
+=> false
+```
+
+is.ukPostCode(value:any)
+------------------------
+####Checks if the given value matches UK post code regexp.
+interfaces: not, all, any
+
+```javascript
+is.ukPostCode('B184BJ');
+=> true
+
+is.ukPostCode('123');
+=> false
+
+is.not.ukPostCode('123');
+=> true
+
+is.all.ukPostCode('B184BJ', '123');
+=> false
+
+is.any.ukPostCode('B184BJ', '123');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.ukPostCode(['B184BJ', '123']);
+=> false
+```
+
+is.nanpPhone(value:any)
+-----------------------
+####Checks if the given value matches North American numbering plan phone regexp.
+interfaces: not, all, any
+
+```javascript
+is.nanpPhone('609-555-0175');
+=> true
+
+is.nanpPhone('123');
+=> false
+
+is.not.nanpPhone('123');
+=> true
+
+is.all.nanpPhone('609-555-0175', '123');
+=> false
+
+is.any.nanpPhone('609-555-0175', '123');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.nanpPhone(['609-555-0175', '123']);
+=> false
+```
+
+is.eppPhone(value:any)
+----------------------
+####Checks if the given value matches extensible provisioning protocol phone regexp.
+interfaces: not, all, any
+
+```javascript
+is.eppPhone('+90.2322456789');
+=> true
+
+is.eppPhone('123');
+=> false
+
+is.not.eppPhone('123');
+=> true
+
+is.all.eppPhone('+90.2322456789', '123');
+=> false
+
+is.any.eppPhone('+90.2322456789', '123');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.eppPhone(['+90.2322456789', '123']);
+=> false
+```
+
+is.socialSecurityNumber(value:any)
+----------------------------------
+####Checks if the given value matches social security number regexp.
+interfaces: not, all, any
+
+```javascript
+is.socialSecurityNumber('017-90-7890');
+=> true
+
+is.socialSecurityNumber('017907890');
+=> true
+
+is.socialSecurityNumber('123');
+=> false
+
+is.not.socialSecurityNumber('123');
+=> true
+
+is.all.socialSecurityNumber('017-90-7890', '123');
+=> false
+
+is.any.socialSecurityNumber('017907890', '123');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.socialSecurityNumber(['017-90-7890', '123']);
+=> false
+```
+
+is.affirmative(value:any)
+-------------------------
+####Checks if the given value matches affirmative regexp.
+interfaces: not, all, any
+
+```javascript
+is.affirmative('yes');
+=> true
+
+is.affirmative('no');
+=> false
+
+is.not.affirmative('no');
+=> true
+
+is.all.affirmative('yes', 'no');
+=> false
+
+is.any.affirmative('yes', 'no');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.affirmative(['yes', 'y', 'true', 't', 'ok', 'okay']);
+=> true
+```
+
+is.hexadecimal(value:any)
+-------------------------
+####Checks if the given value matches hexadecimal regexp.
+interfaces: not, all, any
+
+```javascript
+is.hexadecimal('f0f0f0');
+=> true
+
+is.hexadecimal('0xf0f0f0');
+=> true
+
+is.hexadecimal(2.5);
+=> false
+
+is.not.hexadecimal('string');
+=> true
+
+is.all.hexadecimal('ff', 'f50');
+=> true
+
+is.any.hexadecimal('0xff5500', true);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.hexadecimal(['fff', '333', 'f50']);
+=> true
+```
+
+is.hexColor(value:any)
+-------------------------
+####Checks if the given value matches hexcolor regexp.
+interfaces: not, all, any
+
+```javascript
+is.hexColor('#333');
+=> true
+
+is.hexColor('#3333');
+=> false
+
+is.not.hexColor(0.5);
+=> true
+
+is.all.hexColor('fff', 'f50');
+=> true
+
+is.any.hexColor('ff5500', 0.5);
+=> false
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.hexColor(['fff', '333', 'f50']);
+=> true
+```
+
+is.ip(value:any)
+-------------------------
+####Checks if the given value matches ip regexp
+interfaces: not, all, any
+
+```javascript
+is.ip('198.156.23.5');
+=> true
+
+is.ip('1.2..5');
+=> false
+
+is.not.ip('8:::::::7');
+=> true
+
+is.all.ip('0:1::4:ff5:54:987:C', '123.123.123.123');
+=> true
+
+is.any.ip('123.8.4.3', '0.0.0.0');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.ip(['123.123.23.12', 'A:B:C:D:E:F:0:0']);
+=> true
+```
+
+is.ipv4(value:any)
+-------------------------
+####Checks if the given value matches ipv4 regexp
+interfaces: not, all, any
+
+```javascript
+is.ipv4('198.12.3.142');
+=> true
+
+is.ipv4('1.2..5');
+=> false
+
+is.not.ipv4('8:::::::7');
+=> true
+
+is.all.ipv4('198.12.3.142', '123.123.123.123');
+=> true
+
+is.any.ipv4('255.255.255.255', '850..1.4');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.ipv4(['198.12.3.142', '1.2.3']);
+=> false
+
+```
+
+is.ipv6(value:any)
+-------------------------
+####Checks if the given value matches ipv6 regexp
+interfaces: not, all, any
+
+```javascript
+is.ipv6('2001:DB8:0:0:1::1');
+=> true
+
+is.ipv6('985.12.3.4');
+=> true
+
+is.not.ipv6('8:::::::7');
+=> true
+
+is.all.ipv6('2001:DB8:0:0:1::1', '1:50:198:2::1:2:8');
+=> true
+
+is.any.ipv6('255.255.255.255', '2001:DB8:0:0:1::1');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.ipv6(['2001:DB8:0:0:1::1', '1.2.3']);
+=> false
+```
+
+String checks
+=============
+
+is.include(value:string, target:string)
+-----------------------------------------
+####Checks if the given string contains a substring.
+interface: not
+
+```javascript
+is.include('Some text goes here', 'text');
+=> true
+
+is.include('test', 'text');
+=> false
+
+is.not.include('test', 'text');
+=> true
+```
+
+is.upperCase(value:string)
+--------------------------
+####Checks if the given string is UPPERCASE.
+interfaces: not, all, any
+
+```javascript
+is.upperCase('YEAP');
+=> true
+
+is.upperCase('nope');
+=> false
+
+is.not.upperCase('Nope');
+=> true
+
+is.all.upperCase('YEAP', 'nope');
+=> false
+
+is.any.upperCase('YEAP', 'nope');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.upperCase(['YEAP', 'ALL UPPERCASE']);
+=> true
+```
+
+
+is.lowerCase(value:string)
+--------------------------
+####Checks if the given string is lowercase.
+interfaces: not, all, any
+
+```javascript
+is.lowerCase('yeap');
+=> true
+
+is.lowerCase('NOPE');
+=> false
+
+is.not.lowerCase('Nope');
+=> true
+
+is.all.lowerCase('yeap', 'NOPE');
+=> false
+
+is.any.lowerCase('yeap', 'NOPE');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.lowerCase(['yeap', 'all lowercase']);
+=> true
+```
+
+is.startWith(value:string, target:string)
+-------------------------------------------
+####Checks if the given string starts with substring.
+interface: not
+
+```javascript
+is.startWith('yeap', 'ye');
+=> true
+
+is.startWith('nope', 'ye');
+=> false
+
+is.not.startWith('nope not that', 'not');
+=> true
+```
+
+is.endWith(value:string, target:string)
+-----------------------------------------
+####Checks if the given string ends with substring.
+interfaces: not
+
+```javascript
+is.endWith('yeap', 'ap');
+=> true
+
+is.endWith('nope', 'no');
+=> false
+
+is.not.endWith('nope not that', 'not');
+=> true
+
+is.endWith('yeap that one', 'one');
+=> true
+```
+
+is.capitalized(value:string)
+---------------------------------------------
+####Checks if the given string is capitalized.
+interfaces: not, all, any
+
+```javascript
+is.capitalized('Yeap');
+=> true
+
+is.capitalized('nope');
+=> false
+
+is.not.capitalized('nope not capitalized');
+=> true
+
+is.not.capitalized('nope Capitalized');
+=> true
+
+is.all.capitalized('Yeap', 'All', 'Capitalized');
+=> true
+
+is.any.capitalized('Yeap', 'some', 'Capitalized');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.capitalized(['Nope', 'not']);
+=> false
+```
+
+is.palindrome(value:string)
+---------------------------------------------
+####Checks if the given string is palindrome.
+interfaces: not, all, any
+
+```javascript
+is.palindrome('testset');
+=> true
+
+is.palindrome('A man, a plan, a canal - Panama!');
+=> true
+
+is.palindrome('nope');
+=> false
+
+is.not.palindrome('nope not palindrome');
+=> true
+
+is.not.palindrome('tt');
+=> false
+
+is.all.palindrome('testset', 'tt');
+=> true
+
+is.any.palindrome('Yeap', 'some', 'testset');
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.palindrome(['Nope', 'testset']);
+=> false
+```
+
+Arithmetic checks
+=================
+
+is.equal(value:any, other:any)
+------------------------------
+####Checks if the given values are equal.
+interfaces: not
+
+```javascript
+is.equal(42, 40 + 2);
+=> true
+
+is.equal('yeap', 'yeap');
+=> true
+
+is.equal(true, true);
+=> true
+
+is.not.equal('yeap', 'nope');
+=> true
+```
+
+is.even(value:number)
+---------------------
+####Checks if the given value is even.
+interfaces: not, all, any
+
+```javascript
+is.even(42);
+=> true
+
+is.not.even(41);
+=> true
+
+is.all.even(40, 42, 44);
+=> true
+
+is.any.even(39, 42, 43);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.even([40, 42, 43]);
+=> false
+```
+
+is.odd(value:number)
+--------------------
+####Checks if the given value is odd.
+interfaces: not, all, any
+
+```javascript
+is.odd(41);
+=> true
+
+is.not.odd(42);
+=> true
+
+is.all.odd(39, 41, 43);
+=> true
+
+is.any.odd(39, 42, 44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.odd([40, 42, 43]);
+=> false
+```
+
+is.positive(value:number)
+-------------------------
+####Checks if the given value is positive.
+interfaces: not, all, any
+
+```javascript
+is.positive(41);
+=> true
+
+is.not.positive(-42);
+=> true
+
+is.all.positive(39, 41, 43);
+=> true
+
+is.any.positive(-39, 42, -44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.positive([40, 42, -43]);
+=> false
+```
+
+is.negative(value:number)
+-------------------------
+####Checks if the given value is negative.
+interfaces: not, all, any
+
+```javascript
+is.negative(-41);
+=> true
+
+is.not.negative(42);
+=> true
+
+is.all.negative(-39, -41, -43);
+=> true
+
+is.any.negative(-39, 42, 44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.negative([40, 42, -43]);
+=> false
+```
+
+is.above(value:number, min:number)
+---------------------------
+####Checks if the given value is above minimum value.
+interface: not
+
+```javascript
+is.above(41, 30);
+=> true
+
+is.not.above(42, 50);
+=> true
+```
+
+is.under(value:number, max:number)
+---------------------------
+####Checks if the given value is under maximum value.
+interface: not
+
+```javascript
+is.under(30, 35);
+=> true
+
+is.not.under(42, 30);
+=> true
+```
+
+is.within(value:number, min:number, max:number)
+---------------------------------
+####Checks if the given value is within minimum and maximum values.
+interface: not
+
+```javascript
+is.within(30, 20, 40);
+=> true
+
+is.not.within(40, 30, 35);
+=> true
+```
+
+is.decimal(value:number)
+------------------------
+####Checks if the given value is decimal.
+interfaces: not, all, any
+
+```javascript
+is.decimal(41.5);
+=> true
+
+is.not.decimal(42);
+=> true
+
+is.all.decimal(39.5, 41.5, -43.5);
+=> true
+
+is.any.decimal(-39, 42.5, 44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.decimal([40, 42.5, -43]);
+=> false
+```
+
+is.integer(value:number)
+------------------------
+####Checks if the given value is integer.
+interfaces: not, all, any
+
+```javascript
+is.integer(41);
+=> true
+
+is.not.integer(42.5);
+=> true
+
+is.all.integer(39, 41, -43);
+=> true
+
+is.any.integer(-39, 42.5, 44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.integer([40, 42.5, -43]);
+=> false
+```
+
+is.finite(value:number)
+-----------------------
+####Checks if the given value is finite.
+interfaces: not, all, any
+
+```javascript
+is.finite(41);
+=> true
+
+is.not.finite(42 / 0);
+=> true
+
+is.all.finite(39, 41, -43);
+=> true
+
+is.any.finite(-39, Infinity, 44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.finite([Infinity, -Infinity, 42.5]);
+=> false
+```
+
+is.infinite(value:number)
+-------------------------
+####Checks if the given value is infinite.
+interfaces: not, all, any
+
+```javascript
+is.infinite(Infinity);
+=> true
+
+is.not.infinite(42);
+=> true
+
+is.all.infinite(Infinity, -Infinity, -43 / 0);
+=> true
+
+is.any.infinite(-39, Infinity, 44);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.infinite([Infinity, -Infinity, 42.5]);
+=> false
+```
+
+Object checks
+=============
+
+is.propertyCount(value:object, count:number)
+-------------------------------------
+####Checks if objects' property count is equal to given count.
+interface: not
+
+```javascript
+is.propertyCount({this: 'is', 'sample': object}, 2);
+=> true
+
+is.propertyCount({this: 'is', 'sample': object}, 3);
+=> false
+
+is.not.propertyCount({}, 2);
+=> true
+```
+
+is.propertyDefined(value:object, property:string)
+------------------------------------------
+####Checks if the given property is defined on object.
+interface: not
+
+```javascript
+is.propertyDefined({yeap: 'yeap'}, 'yeap');
+=> true
+
+is.propertyDefined({yeap: 'yeap'}, 'nope');
+=> false
+
+is.not.propertyDefined({}, 'nope');
+=> true
+```
+
+Array checks
+============
+
+is.inArray(value:any, array)
+---------------------
+####Checks if the given item is in array?
+interface: not
+```javascript
+is.inArray(2, [1, 2, 3]);
+=> true
+
+is.inArray(4, [1, 2, 3]);
+=> false
+
+is.not.inArray(4, [1, 2, 3]);
+=> true
+```
+
+is.sorted(value:array, sign:string)
+----------------------
+####Checks if the given array is sorted. Sign is optional parameter.
+interfaces: not, all, any
+
+```javascript
+is.sorted([1, 2, 3]);
+=> true
+
+is.sorted([1, 2, 4, 3]);
+=> false
+
+is.sorted([1, 1, 2, 2], '>=');
+=> true
+
+is.sorted([1, 2, 3, 4], '>');
+=> true
+
+is.sorted([4, 3, 3, 1], '<=');
+=> true
+
+is.sorted([4, 3, 2, 1], '<');
+=> true
+
+is.sorted([1, 2, 3, 3], '>');
+=> false
+
+is.not.sorted([5, 4, 3]);
+=> true
+
+is.not.sorted([5, 4, 3], '<');
+=> false
+
+is.all.sorted([1, 2], [3, 4]);
+=> true
+
+is.any.sorted([1, 2], [5, 4]);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.sorted([[1, 2], [5, 4]]);
+=> false
+```
+
+Environment checks
+==================
+####Environment checks are not available as node module.
+
+is.ie(range:number|string)
+-------------------
+####Checks if current browser is ie. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.ie();
+=> true if current browser is ie
+
+is.not.ie();
+=> false if current browser is ie
+
+// also supports version number
+is.ie(10);
+=> true if current version of ie is 10
+
+is.ie('>=10');
+=> true if current version of ie is greater than or equal to 10
+
+is.not.ie('<9');
+=> true if current version of ie is not less than 9
+```
+
+is.chrome(range:number|string)
+-----------
+####Checks if current browser is chrome. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.chrome();
+=> true if current browser is chrome
+
+is.not.chrome();
+=> false if current browser is chrome
+
+// also supports version number
+is.chrome(50);
+=> true if current version of chrome is 50
+
+is.chrome('>=40');
+=> true if current version of chrome is greater than or equal to 40
+
+is.not.chrome('<30');
+=> true if current version of chrome is not less than 30
+```
+
+is.firefox(range:number|string)
+------------
+####Checks if current browser is firefox. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.firefox();
+=> true if current browser is firefox
+
+is.not.firefox();
+=> false if current browser is firefox
+
+// also supports version number
+is.firefox(41);
+=> true if current version of firefox is 41
+
+is.firefox('>=40');
+=> true if current version of firefox is greater than or equal to 40
+
+is.not.firefox('<30');
+=> true if current version of firefox is not less than 30
+```
+
+is.edge(range:number|string)
+------------
+####Checks if current browser is edge. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.edge();
+=> true if current browser is edge
+
+is.not.edge();
+=> false if current browser is edge
+
+// also supports version number
+is.edge(13);
+=> true if current version of edge is 13
+
+is.edge('>=12');
+=> true if current version of edge is greater than or equal to 12
+
+is.not.edge('<13');
+=> true if current version of edge is not less than 13
+```
+
+is.opera(range:number|string)
+----------
+####Checks if current browser is opera. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.opera();
+=> true if current browser is opera
+
+is.not.opera();
+=> false if current browser is opera
+
+// also supports version number
+is.opera(36);
+=> true if current version of opera is 36
+
+is.opera('>=35');
+=> true if current version of opera is greater than or equal to 35
+
+is.not.opera('<20');
+=> true if current version of opera is not less than 20
+```
+
+is.safari(range:number|string)
+-----------
+####Checks if current browser is safari. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.safari();
+=> true if current browser is safari
+
+is.not.safari();
+=> false if current browser is safari
+
+// also supports version number
+is.safari(9);
+=> true if current version of safari is 9
+
+is.safari('>=8');
+=> true if current version of safari is greater than or equal to 8
+
+is.not.safari('<7');
+=> true if current version of safari is not less than 7
+```
+
+is.phantom(range:number|string)
+-----------
+####Checks if current browser is phantomjs. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.phantom();
+=> true if current browser is phantomjs
+
+is.not.phantom();
+=> false if current browser is phantomjs
+
+// also supports version number
+is.phantom(2);
+=> true if current version of phantom is 2
+
+is.phantom('>=1');
+=> true if current version of phantomjs is greater than or equal to 1
+
+is.not.phantom('<2');
+=> true if current version of phantomjs is not less than 2
+```
+
+is.ios()
+--------
+####Checks if current device has ios.
+interface: not
+
+```javascript
+is.ios();
+=> true if current device is iPhone, iPad or iPod
+
+is.not.ios();
+=> true if current device is not iPhone, iPad or iPod
+```
+
+is.iphone(range:number|string)
+-----------
+####Checks if current device is iPhone. Parameter is optional version range (or number) of browser.
+interface: not
+
+```javascript
+is.iphone();
+=> true if current device is iPhone
+
+is.not.iphone();
+=> true if current device is not iPhone
+
+// also supports version number
+is.iphone(9);
+=> true if current version of iPhone is 9
+
+is.iphone('>=7');
+=> true if current version of iPhone is greater than or equal to 7
+
+is.not.iphone('<8');
+=> true if current version of iPhone is not less than 8
+```
+
+is.ipad(range:number|string)
+---------
+####Checks if current device is iPad.
+interface: not
+
+```javascript
+is.ipad();
+=> true if current device is iPad
+
+is.not.ipad();
+=> true if current device is not iPad
+
+// also supports version number
+is.ipad(9);
+=> true if current version of iPad is 9
+
+is.ipad('>=7');
+=> true if current version of iPad is greater than or equal to 7
+
+is.not.ipad('<8');
+=> true if current version of iPad is not less than 8
+```
+
+is.ipod(range:number|string)
+---------
+####Checks if current device is iPod.
+interface: not
+
+```javascript
+is.ipod();
+=> true if current device is iPod
+
+is.not.ipod();
+=> true if current device is not iPod
+
+// also supports version number
+is.ipod(7);
+=> true if current version of iPod is 7
+
+is.ipod('>=5');
+=> true if current version of iPod is greater than or equal to 5
+
+is.not.ipod('<5');
+=> true if current version of iPod is not less than 5
+```
+
+is.android()
+------------
+####Checks if current device has Android.
+interface: not
+
+```javascript
+is.android();
+=> true if current device has Android OS
+
+is.not.android();
+=> true if current device has not Android OS
+```
+
+is.androidPhone()
+-----------------
+####Checks if current device is Android phone.
+interface: not
+
+```javascript
+is.androidPhone();
+=> true if current device is Android phone
+
+is.not.androidPhone();
+=> true if current device is not Android phone
+```
+
+is.androidTablet()
+------------------
+####Checks if current device is Android tablet.
+interface: not
+
+```javascript
+is.androidTablet();
+=> true if current device is Android tablet
+
+is.not.androidTablet();
+=> true if current device is not Android tablet
+```
+
+is.blackberry()
+---------------
+####Checks if current device is Blackberry.
+interface: not
+
+```javascript
+is.blackberry();
+=> true if current device is Blackberry
+
+is.not.blackberry();
+=> true if current device is not Blackberry
+```
+
+is.windowsPhone()
+-----------------
+####Checks if current device is Windows phone.
+interface: not
+
+```javascript
+is.windowsPhone();
+=> true if current device is Windows phone
+
+is.not.windowsPhone();
+=> true if current device is not Windows Phone
+```
+
+is.windowsTablet()
+------------------
+####Checks if current device is Windows tablet.
+interface: not
+
+```javascript
+is.windowsTablet();
+=> true if current device is Windows tablet
+
+is.not.windowsTablet();
+=> true if current device is not Windows tablet
+```
+
+is.windows()
+------------
+####Checks if current OS is Windows.
+interface: not
+
+```javascript
+is.windows();
+=> true if current OS is Windows
+
+is.not.windows();
+=> true if current OS is not Windows
+```
+
+is.mac()
+--------
+####Checks if current OS is Mac OS X.
+interface: not
+
+```javascript
+is.mac();
+=> true if current OS is Mac OS X
+
+is.not.mac();
+=> true if current OS is not Mac OS X
+```
+
+is.linux()
+----------
+####Checks if current OS is linux.
+interface: not
+
+```javascript
+is.linux();
+=> true if current OS is linux
+
+is.not.linux();
+=> true if current OS is not linux
+```
+
+is.desktop()
+------------
+####Checks if current device is desktop.
+interface: not
+
+```javascript
+is.desktop();
+=> true if current device is desktop
+
+is.not.desktop();
+=> true if current device is not desktop
+```
+
+is.mobile()
+-----------
+####Checks if current device is mobile.
+interface: not
+iPhone, iPod, Android Phone, Windows Phone, Blackberry.
+```javascript
+
+is.mobile();
+=> true if current device is mobile
+
+is.not.mobile();
+=> true if current device is not mobile
+```
+
+is.tablet()
+-----------
+####Checks if current device is tablet.
+interface: not
+iPad, Android Tablet, Windows Tablet
+```javascript
+
+is.tablet();
+=> true if current device is tablet
+
+is.not.tablet();
+=> true if current device is not tablet
+```
+
+is.online()
+-----------
+####Checks if current device is online.
+interface: not
+
+```javascript
+is.online();
+=> true if current device is online
+
+is.not.online();
+=> true if current device is not online
+```
+
+is.offline()
+------------
+####Checks if current device is offline.
+interface: not
+
+```javascript
+is.offline();
+=> true if current device is offline
+
+is.not.offline();
+=> true if current device is not offline
+```
+
+is.touchDevice()
+------------
+####Checks if current device supports touch.
+interface: not
+
+```javascript
+is.touchDevice();
+=> true if current device supports touch
+
+is.not.touchDevice();
+=> true if current device does not support touch
+```
+
+Time checks
+===========
+
+is.today(value:date)
+----------------------
+####Checks if the given date object indicate today.
+interfaces: not, all, any
+
+```javascript
+var today = new Date();
+is.today(today);
+=> true
+
+var yesterday = new Date(new Date().setDate(new Date().getDate() - 1));
+is.today(yesterday);
+=> false
+
+is.not.today(yesterday);
+=> true
+
+is.all.today(today, today);
+=> true
+
+is.any.today(today, yesterday);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.today([today, yesterday]);
+=> false
+```
+
+is.yesterday(value:date)
+--------------------------
+####Checks if the given date object indicate yesterday.
+interfaces: not, all, any
+
+```javascript
+var today = new Date();
+is.yesterday(today);
+=> false
+
+var yesterday = new Date(new Date().setDate(new Date().getDate() - 1));
+is.yesterday(yesterday);
+=> true
+
+is.not.yesterday(today);
+=> true
+
+is.all.yesterday(yesterday, today);
+=> false
+
+is.any.yesterday(today, yesterday);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.yesterday([today, yesterday]);
+=> false
+```
+
+is.tomorrow(value:date)
+-------------------------
+####Checks if the given date object indicate tomorrow.
+interfaces: not, all, any
+
+```javascript
+var today = new Date();
+is.tomorrow(today);
+=> false
+
+var tomorrow = new Date(new Date().setDate(new Date().getDate() + 1));
+is.tomorrow(tomorrow);
+=> true
+
+is.not.tomorrow(today);
+=> true
+
+is.all.tomorrow(tomorrow, today);
+=> false
+
+is.any.tomorrow(today, tomorrow);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.tomorrow([today, tomorrow]);
+=> false
+```
+
+is.past(value:date)
+---------------------
+####Checks if the given date object indicate past.
+interfaces: not, all, any
+
+```javascript
+var yesterday = new Date(new Date().setDate(new Date().getDate() - 1));
+var tomorrow = new Date(new Date().setDate(new Date().getDate() + 1));
+
+is.past(yesterday);
+=> true
+
+is.past(tomorrow);
+=> false
+
+is.not.past(tomorrow);
+=> true
+
+is.all.past(tomorrow, yesterday);
+=> false
+
+is.any.past(yesterday, tomorrow);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.past([yesterday, tomorrow]);
+=> false
+```
+
+is.future(value:date)
+-----------------------
+####Checks if the given date object indicate future.
+interfaces: not, all, any
+
+```javascript
+var yesterday = new Date(new Date().setDate(new Date().getDate() - 1));
+var tomorrow = new Date(new Date().setDate(new Date().getDate() + 1));
+
+is.future(yesterday);
+=> false
+
+is.future(tomorrow);
+=> true
+
+is.not.future(yesterday);
+=> true
+
+is.all.future(tomorrow, yesterday);
+=> false
+
+is.any.future(yesterday, tomorrow);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.future([yesterday, tomorrow]);
+=> false
+```
+
+is.day(value:date, day:string)
+-------------------------------
+####Checks if the given date objects' day equal given dayString parameter.
+interface: not
+
+```javascript
+var mondayObj = new Date('01/26/2015');
+var tuesdayObj = new Date('01/27/2015');
+is.day(mondayObj, 'monday');
+=> true
+
+is.day(mondayObj, 'tuesday');
+=> false
+
+is.not.day(mondayObj, 'tuesday');
+=> true
+```
+
+is.month(value:date, month:string)
+-----------------------------------
+####Checks if the given date objects' month equal given monthString parameter.
+interface: not
+
+```javascript
+var januaryObj = new Date('01/26/2015');
+var februaryObj = new Date('02/26/2015');
+is.month(januaryObj, 'january');
+=> true
+
+is.month(februaryObj, 'january');
+=> false
+
+is.not.month(februaryObj, 'january');
+=> true
+```
+
+is.year(value:date, year:number)
+---------------------------------
+####Checks if the given date objects' year equal given yearNumber parameter.
+interface: not
+
+```javascript
+var year2015 = new Date('01/26/2015');
+var year2016 = new Date('01/26/2016');
+is.year(year2015, 2015);
+=> true
+
+is.year(year2016, 2015);
+=> false
+
+is.not.year(year2016, 2015);
+=> true
+```
+
+is.leapYear(value:number)
+---------------------------------
+####Checks if the given year number is a leap year
+interfaces: not, all, any
+
+```javascript
+is.leapYear(2016);
+=> true
+
+is.leapYear(2015);
+=> false
+
+is.not.leapYear(2015);
+=> true
+
+is.all.leapYear(2015, 2016);
+=> false
+
+is.any.leapYear(2015, 2016);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.leapYear([2016, 2080]);
+=> true
+```
+
+is.weekend(value:date)
+------------------------
+####Checks if the given date objects' day is weekend.
+interfaces: not, all, any
+
+```javascript
+var monday = new Date('01/26/2015');
+var sunday = new Date('01/25/2015');
+var saturday = new Date('01/24/2015');
+is.weekend(sunday);
+=> true
+
+is.weekend(monday);
+=> false
+
+is.not.weekend(monday);
+=> true
+
+is.all.weekend(sunday, saturday);
+=> true
+
+is.any.weekend(sunday, saturday, monday);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.weekend([sunday, saturday, monday]);
+=> false
+```
+
+is.weekday(value:date)
+------------------------
+####Checks if the given date objects' day is weekday.
+interfaces: not, all, any
+
+```javascript
+var monday = new Date('01/26/2015');
+var sunday = new Date('01/25/2015');
+var saturday = new Date('01/24/2015');
+is.weekday(monday);
+=> true
+
+is.weekday(sunday);
+=> false
+
+is.not.weekday(sunday);
+=> true
+
+is.all.weekday(monday, saturday);
+=> false
+
+is.any.weekday(sunday, saturday, monday);
+=> true
+
+// 'all' and 'any' interfaces can also take array parameter
+is.all.weekday([sunday, saturday, monday]);
+=> false
+```
+
+is.inDateRange(value:date, start:date, end:date)
+----------------------------------------------------
+####Checks if date is within given range.
+interface: not
+
+```javascript
+var saturday = new Date('01/24/2015');
+var sunday = new Date('01/25/2015');
+var monday = new Date('01/26/2015');
+is.inDateRange(sunday, saturday, monday);
+=> true
+
+is.inDateRange(saturday, sunday, monday);
+=> false
+
+is.not.inDateRange(saturday, sunday, monday);
+=> true
+```
+
+is.inLastWeek(value:date)
+---------------------------
+####Checks if the given date is between now and 7 days ago.
+interface: not
+
+```javascript
+var twoDaysAgo = new Date(new Date().setDate(new Date().getDate() - 2));
+var nineDaysAgo = new Date(new Date().setDate(new Date().getDate() - 9));
+is.inLastWeek(twoDaysAgo);
+=> true
+
+is.inLastWeek(nineDaysAgo);
+=> false
+
+is.not.inLastWeek(nineDaysAgo);
+=> true
+```
+
+is.inLastMonth(value:date)
+----------------------------
+####Checks if the given date is between now and a month ago.
+interface: not
+
+```javascript
+var tenDaysAgo = new Date(new Date().setDate(new Date().getDate() - 10));
+var fortyDaysAgo = new Date(new Date().setDate(new Date().getDate() - 40));
+is.inLastMonth(tenDaysAgo);
+=> true
+
+is.inLastMonth(fortyDaysAgo);
+=> false
+
+is.not.inLastMonth(fortyDaysAgo);
+=> true
+```
+
+is.inLastYear(value:date)
+---------------------------
+####Checks if the given date is between now and a year ago.
+interface: not
+
+```javascript
+var twoMonthsAgo = new Date(new Date().setMonth(new Date().getMonth() - 2));
+var thirteenMonthsAgo = new Date(new Date().setMonth(new Date().getMonth() - 13));
+is.inLastYear(twoMonthsAgo);
+=> true
+
+is.inLastYear(thirteenMonthsAgo);
+=> false
+
+is.not.inLastYear(thirteenMonthsAgo);
+=> true
+```
+
+is.inNextWeek(value:date)
+---------------------------
+####Checks if the given date is between now and 7 days later.
+interface: not
+
+```javascript
+var twoDaysLater = new Date(new Date().setDate(new Date().getDate() + 2));
+var nineDaysLater = new Date(new Date().setDate(new Date().getDate() + 9));
+is.inNextWeek(twoDaysLater);
+=> true
+
+is.inNextWeek(nineDaysLater);
+=> false
+
+is.not.inNextWeek(nineDaysLater);
+=> true
+```
+
+is.inNextMonth(value:date)
+----------------------------
+####Checks if the given date is between now and a month later.
+interface: not
+
+```javascript
+var tenDaysLater = new Date(new Date().setDate(new Date().getDate() + 10));
+var fortyDaysLater = new Date(new Date().setDate(new Date().getDate() + 40));
+is.inNextMonth(tenDaysLater);
+=> true
+
+is.inNextMonth(fortyDaysLater);
+=> false
+
+is.not.inNextMonth(fortyDaysLater);
+=> true
+```
+
+is.inNextYear(value:date)
+---------------------------
+####Checks if the given date is between now and a year later.
+interface: not
+
+```javascript
+var twoMonthsLater = new Date(new Date().setMonth(new Date().getMonth() + 2));
+var thirteenMonthsLater = new Date(new Date().setMonth(new Date().getMonth() + 13));
+is.inNextYear(twoMonthsLater);
+=> true
+
+is.inNextYear(thirteenMonthsLater);
+=> false
+
+is.not.inNextYear(thirteenMonthsLater);
+=> true
+```
+
+is.quarterOfYear(value:date, quarter:number)
+---------------------------------------------
+####Checks if the given date is in the parameter quarter.
+interface: not
+
+```javascript
+var firstQuarter = new Date('01/26/2015');
+var secondQuarter = new Date('05/26/2015');
+is.quarterOfYear(firstQuarter, 1);
+=> true
+
+is.quarterOfYear(secondQuarter, 1);
+=> false
+
+is.not.quarterOfYear(secondQuarter, 1);
+=> true
+```
+
+is.dayLightSavingTime(value:date)
+--------------------------------------------------
+####Checks if the given date is in daylight saving time.
+interface: not
+
+```javascript
+// For Turkey Time Zone
+var january1 = new Date('01/01/2015');
+var june1 = new Date('06/01/2015');
+
+is.dayLightSavingTime(june1);
+=> true
+
+is.dayLightSavingTime(january1);
+=> false
+
+is.not.dayLightSavingTime(january1);
+=> true
+```
+
+Configuration methods
+=====================
+
+is.setNamespace()
+-----------------
+Change namespace of library to prevent name collisions.
+
+```javascript
+var customName = is.setNamespace();
+customName.odd(3);
+=> true
+```
+
+is.setRegexp(value:regexp, name:string)
+----------------------------------------
+Override RegExps if you think they suck.
+
+```javascript
+is.url('https://www.duckduckgo.com');
+=> true
+
+is.setRegexp(/quack/, 'url');
+is.url('quack');
+=> true
+```

+/*!
+ * is.js 0.8.0
+ * Author: Aras Atasaygin
+ */
+
+// AMD with global, Node, or global
+;(function(root, factory) {    // eslint-disable-line no-extra-semi
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(function() {
+            // Also create a global in case some scripts
+            // that are loaded still are looking for
+            // a global even when an AMD loader is in use.
+            return (root.is = factory());
+        });
+    } else if (typeof exports === 'object') {
+        // Node. Does not work with strict CommonJS, but
+        // only CommonJS-like enviroments that support module.exports,
+        // like Node.
+        module.exports = factory();
+    } else {
+        // Browser globals (root is self)
+        root.is = factory();
+    }
+}(this, function() {
+
+    // Baseline
+    /* -------------------------------------------------------------------------- */
+
+    // define 'is' object and current version
+    var is = {};
+    is.VERSION = '0.8.0';
+
+    // define interfaces
+    is.not = {};
+    is.all = {};
+    is.any = {};
+
+    // cache some methods to call later on
+    var toString = Object.prototype.toString;
+    var slice = Array.prototype.slice;
+    var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+    // helper function which reverses the sense of predicate result
+    function not(func) {
+        return function() {
+            return !func.apply(null, slice.call(arguments));
+        };
+    }
+
+    // helper function which call predicate function per parameter and return true if all pass
+    function all(func) {
+        return function() {
+            var params = getParams(arguments);
+            var length = params.length;
+            for (var i = 0; i < length; i++) {
+                if (!func.call(null, params[i])) {
+                    return false;
+                }
+            }
+            return true;
+        };
+    }
+
+    // helper function which call predicate function per parameter and return true if any pass
+    function any(func) {
+        return function() {
+            var params = getParams(arguments);
+            var length = params.length;
+            for (var i = 0; i < length; i++) {
+                if (func.call(null, params[i])) {
+                    return true;
+                }
+            }
+            return false;
+        };
+    }
+
+    // build a 'comparator' object for various comparison checks
+    var comparator = {
+        '<': function(a, b) { return a < b; },
+        '<=': function(a, b) { return a <= b; },
+        '>': function(a, b) { return a > b; },
+        '>=': function(a, b) { return a >= b; }
+    }
+
+    // helper function which compares a version to a range
+    function compareVersion(version, range) {
+        var string = (range + '');
+        var n = +(string.match(/\d+/) || NaN);
+        var op = string.match(/^[<>]=?|/)[0];
+        return comparator[op] ? comparator[op](version, n) : (version == n || n !== n);
+    }
+
+    // helper function which extracts params from arguments
+    function getParams(args) {
+        var params = slice.call(args);
+        var length = params.length;
+        if (length === 1 && is.array(params[0])) {    // support array
+            params = params[0];
+        }
+        return params;
+    }
+
+    // Type checks
+    /* -------------------------------------------------------------------------- */
+
+    // is a given value Arguments?
+    is.arguments = function(value) {    // fallback check is for IE
+        return toString.call(value) === '[object Arguments]' ||
+            (value != null && typeof value === 'object' && 'callee' in value);
+    };
+
+    // is a given value Array?
+    is.array = Array.isArray || function(value) {    // check native isArray first
+        return toString.call(value) === '[object Array]';
+    };
+
+    // is a given value Boolean?
+    is.boolean = function(value) {
+        return value === true || value === false || toString.call(value) === '[object Boolean]';
+    };
+
+    // is a given value Char?
+    is.char = function(value) {
+        return is.string(value) && value.length === 1;
+    };
+
+    // is a given value Date Object?
+    is.date = function(value) {
+        return toString.call(value) === '[object Date]';
+    };
+
+    // is a given object a DOM node?
+    is.domNode = function(object) {
+        return is.object(object) && object.nodeType > 0;
+    };
+
+    // is a given value Error object?
+    is.error = function(value) {
+        return toString.call(value) === '[object Error]';
+    };
+
+    // is a given value function?
+    is['function'] = function(value) {    // fallback check is for IE
+        return toString.call(value) === '[object Function]' || typeof value === 'function';
+    };
+
+    // is given value a pure JSON object?
+    is.json = function(value) {
+        return toString.call(value) === '[object Object]';
+    };
+
+    // is a given value NaN?
+    is.nan = function(value) {    // NaN is number :) Also it is the only value which does not equal itself
+        return value !== value;
+    };
+
+    // is a given value null?
+    is['null'] = function(value) {
+        return value === null;
+    };
+
+    // is a given value number?
+    is.number = function(value) {
+        return is.not.nan(value) && toString.call(value) === '[object Number]';
+    };
+
+    // is a given value object?
+    is.object = function(value) {
+        return Object(value) === value;
+    };
+
+    // is a given value RegExp?
+    is.regexp = function(value) {
+        return toString.call(value) === '[object RegExp]';
+    };
+
+    // are given values same type?
+    // prevent NaN, Number same type check
+    is.sameType = function(value, other) {
+        var tag = toString.call(value);
+        if (tag !== toString.call(other)) {
+            return false;
+        }
+        if (tag === '[object Number]') {
+            return !is.any.nan(value, other) || is.all.nan(value, other);
+        }
+        return true;
+    };
+    // sameType method does not support 'all' and 'any' interfaces
+    is.sameType.api = ['not'];
+
+    // is a given value String?
+    is.string = function(value) {
+        return toString.call(value) === '[object String]';
+    };
+
+    // is a given value undefined?
+    is.undefined = function(value) {
+        return value === void 0;
+    };
+
+    // is a given value window?
+    // setInterval method is only available for window object
+    is.windowObject = function(value) {
+        return value != null && typeof value === 'object' && 'setInterval' in value;
+    };
+
+    // Presence checks
+    /* -------------------------------------------------------------------------- */
+
+    //is a given value empty? Objects, arrays, strings
+    is.empty = function(value) {
+        if (is.object(value)) {
+            var length = Object.getOwnPropertyNames(value).length;
+            if (length === 0 || (length === 1 && is.array(value)) ||
+                    (length === 2 && is.arguments(value))) {
+                return true;
+            }
+            return false;
+        }
+        return value === '';
+    };
+
+    // is a given value existy?
+    is.existy = function(value) {
+        return value != null;
+    };
+
+    // is a given value falsy?
+    is.falsy = function(value) {
+        return !value;
+    };
+
+    // is a given value truthy?
+    is.truthy = not(is.falsy);
+
+    // Arithmetic checks
+    /* -------------------------------------------------------------------------- */
+
+    // is a given number above minimum parameter?
+    is.above = function(n, min) {
+        return is.all.number(n, min) && n > min;
+    };
+    // above method does not support 'all' and 'any' interfaces
+    is.above.api = ['not'];
+
+    // is a given number decimal?
+    is.decimal = function(n) {
+        return is.number(n) && n % 1 !== 0;
+    };
+
+    // are given values equal? supports numbers, strings, regexes, booleans
+    // TODO: Add object and array support
+    is.equal = function(value, other) {
+        // check 0 and -0 equity with Infinity and -Infinity
+        if (is.all.number(value, other)) {
+            return value === other && 1 / value === 1 / other;
+        }
+        // check regexes as strings too
+        if (is.all.string(value, other) || is.all.regexp(value, other)) {
+            return '' + value === '' + other;
+        }
+        if (is.all.boolean(value, other)) {
+            return value === other;
+        }
+        return false;
+    };
+    // equal method does not support 'all' and 'any' interfaces
+    is.equal.api = ['not'];
+
+    // is a given number even?
+    is.even = function(n) {
+        return is.number(n) && n % 2 === 0;
+    };
+
+    // is a given number finite?
+    is.finite = isFinite || function(n) {
+        return is.not.infinite(n) && is.not.nan(n);
+    };
+
+    // is a given number infinite?
+    is.infinite = function(n) {
+        return n === Infinity || n === -Infinity;
+    };
+
+    // is a given number integer?
+    is.integer = function(n) {
+        return is.number(n) && n % 1 === 0;
+    };
+
+    // is a given number negative?
+    is.negative = function(n) {
+        return is.number(n) && n < 0;
+    };
+
+    // is a given number odd?
+    is.odd = function(n) {
+        return is.number(n) && n % 2 === 1;
+    };
+
+    // is a given number positive?
+    is.positive = function(n) {
+        return is.number(n) && n > 0;
+    };
+
+    // is a given number above maximum parameter?
+    is.under = function(n, max) {
+        return is.all.number(n, max) && n < max;
+    };
+    // least method does not support 'all' and 'any' interfaces
+    is.under.api = ['not'];
+
+    // is a given number within minimum and maximum parameters?
+    is.within = function(n, min, max) {
+        return is.all.number(n, min, max) && n > min && n < max;
+    };
+    // within method does not support 'all' and 'any' interfaces
+    is.within.api = ['not'];
+
+    // Regexp checks
+    /* -------------------------------------------------------------------------- */
+    // Steven Levithan, Jan Goyvaerts: Regular Expressions Cookbook
+    // Scott Gonzalez: Email address validation
+
+    // dateString match m/d/yy and mm/dd/yyyy, allowing any combination of one or two digits for the day and month, and two or four digits for the year
+    // eppPhone match extensible provisioning protocol format
+    // nanpPhone match north american number plan format
+    // time match hours, minutes, and seconds, 24-hour clock
+    var regexes = {
+        affirmative: /^(?:1|t(?:rue)?|y(?:es)?|ok(?:ay)?)$/,
+        alphaNumeric: /^[A-Za-z0-9]+$/,
+        caPostalCode: /^(?!.*[DFIOQU])[A-VXY][0-9][A-Z]\s?[0-9][A-Z][0-9]$/,
+        creditCard: /^(?:(4[0-9]{12}(?:[0-9]{3})?)|(5[1-5][0-9]{14})|(6(?:011|5[0-9]{2})[0-9]{12})|(3[47][0-9]{13})|(3(?:0[0-5]|[68][0-9])[0-9]{11})|((?:2131|1800|35[0-9]{3})[0-9]{11}))$/,
+        dateString: /^(1[0-2]|0?[1-9])([\/-])(3[01]|[12][0-9]|0?[1-9])(?:\2)(?:[0-9]{2})?[0-9]{2}$/,
+        email: /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i, // eslint-disable-line no-control-regex
+        eppPhone: /^\+[0-9]{1,3}\.[0-9]{4,14}(?:x.+)?$/,
+        hexadecimal: /^(?:0x)?[0-9a-fA-F]+$/,
+        hexColor: /^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/,
+        ipv4: /^(?:(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])\.){3}(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])$/,
+        ipv6: /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i,
+        nanpPhone: /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/,
+        socialSecurityNumber: /^(?!000|666)[0-8][0-9]{2}-?(?!00)[0-9]{2}-?(?!0000)[0-9]{4}$/,
+        timeString: /^(2[0-3]|[01]?[0-9]):([0-5]?[0-9]):([0-5]?[0-9])$/,
+        ukPostCode: /^[A-Z]{1,2}[0-9RCHNQ][0-9A-Z]?\s?[0-9][ABD-HJLNP-UW-Z]{2}$|^[A-Z]{2}-?[0-9]{4}$/,
+        url: /^(?:(?:https?|ftp):\/\/)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:\/\S*)?$/i,
+        usZipCode: /^[0-9]{5}(?:-[0-9]{4})?$/
+    };
+
+    function regexpCheck(regexp, regexes) {
+        is[regexp] = function(value) {
+            return regexes[regexp].test(value);
+        };
+    }
+
+    // create regexp checks methods from 'regexes' object
+    for (var regexp in regexes) {
+        if (regexes.hasOwnProperty(regexp)) {
+            regexpCheck(regexp, regexes);
+        }
+    }
+
+    // simplify IP checks by calling the regex helpers for IPv4 and IPv6
+    is.ip = function(value) {
+        return is.ipv4(value) || is.ipv6(value);
+    };
+
+    // String checks
+    /* -------------------------------------------------------------------------- */
+
+    // is a given string or sentence capitalized?
+    is.capitalized = function(string) {
+        if (is.not.string(string)) {
+            return false;
+        }
+        var words = string.split(' ');
+        for (var i = 0; i < words.length; i++) {
+            var word = words[i];
+            if (word.length) {
+                var chr = word.charAt(0);
+                if (chr !== chr.toUpperCase()) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    };
+
+    // is string end with a given target parameter?
+    is.endWith = function(string, target) {
+        if (is.not.string(string)) {
+            return false;
+        }
+        target += '';
+        var position = string.length - target.length;
+        return position >= 0 && string.indexOf(target, position) === position;
+    };
+    // endWith method does not support 'all' and 'any' interfaces
+    is.endWith.api = ['not'];
+
+    // is a given string include parameter target?
+    is.include = function(string, target) {
+        return string.indexOf(target) > -1;
+    };
+    // include method does not support 'all' and 'any' interfaces
+    is.include.api = ['not'];
+
+    // is a given string all lowercase?
+    is.lowerCase = function(string) {
+        return is.string(string) && string === string.toLowerCase();
+    };
+
+    // is a given string palindrome?
+    is.palindrome = function(string) {
+        if (is.not.string(string)) {
+            return false;
+        }
+        string = string.replace(/[^a-zA-Z0-9]+/g, '').toLowerCase();
+        var length = string.length - 1;
+        for (var i = 0, half = Math.floor(length / 2); i <= half; i++) {
+            if (string.charAt(i) !== string.charAt(length - i)) {
+                return false;
+            }
+        }
+        return true;
+    };
+
+    // is a given value space?
+    // horizantal tab: 9, line feed: 10, vertical tab: 11, form feed: 12, carriage return: 13, space: 32
+    is.space = function(value) {
+        if (is.not.char(value)) {
+            return false;
+        }
+        var charCode = value.charCodeAt(0);
+        return (charCode > 8 && charCode < 14) || charCode === 32;
+    };
+
+    // is string start with a given target parameter?
+    is.startWith = function(string, target) {
+        return is.string(string) && string.indexOf(target) === 0;
+    };
+    // startWith method does not support 'all' and 'any' interfaces
+    is.startWith.api = ['not'];
+
+    // is a given string all uppercase?
+    is.upperCase = function(string) {
+        return is.string(string) && string === string.toUpperCase();
+    };
+
+    // Time checks
+    /* -------------------------------------------------------------------------- */
+
+    var days = ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'];
+    var months = ['january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december'];
+
+    // is a given dates day equal given day parameter?
+    is.day = function(date, day) {
+        return is.date(date) && day.toLowerCase() === days[date.getDay()];
+    };
+    // day method does not support 'all' and 'any' interfaces
+    is.day.api = ['not'];
+
+    // is a given date in daylight saving time?
+    is.dayLightSavingTime = function(date) {
+        var january = new Date(date.getFullYear(), 0, 1);
+        var july = new Date(date.getFullYear(), 6, 1);
+        var stdTimezoneOffset = Math.max(january.getTimezoneOffset(), july.getTimezoneOffset());
+        return date.getTimezoneOffset() < stdTimezoneOffset;
+    };
+
+    // is a given date future?
+    is.future = function(date) {
+        var now = new Date();
+        return is.date(date) && date.getTime() > now.getTime();
+    };
+
+    // is date within given range?
+    is.inDateRange = function(date, start, end) {
+        if (is.not.date(date) || is.not.date(start) || is.not.date(end)) {
+            return false;
+        }
+        var stamp = date.getTime();
+        return stamp > start.getTime() && stamp < end.getTime();
+    };
+    // inDateRange method does not support 'all' and 'any' interfaces
+    is.inDateRange.api = ['not'];
+
+    // is a given date in last month range?
+    is.inLastMonth = function(date) {
+        return is.inDateRange(date, new Date(new Date().setMonth(new Date().getMonth() - 1)), new Date());
+    };
+
+    // is a given date in last week range?
+    is.inLastWeek = function(date) {
+        return is.inDateRange(date, new Date(new Date().setDate(new Date().getDate() - 7)), new Date());
+    };
+
+    // is a given date in last year range?
+    is.inLastYear = function(date) {
+        return is.inDateRange(date, new Date(new Date().setFullYear(new Date().getFullYear() - 1)), new Date());
+    };
+
+    // is a given date in next month range?
+    is.inNextMonth = function(date) {
+        return is.inDateRange(date, new Date(), new Date(new Date().setMonth(new Date().getMonth() + 1)));
+    };
+
+    // is a given date in next week range?
+    is.inNextWeek = function(date) {
+        return is.inDateRange(date, new Date(), new Date(new Date().setDate(new Date().getDate() + 7)));
+    };
+
+    // is a given date in next year range?
+    is.inNextYear = function(date) {
+        return is.inDateRange(date, new Date(), new Date(new Date().setFullYear(new Date().getFullYear() + 1)));
+    };
+
+    // is the given year a leap year?
+    is.leapYear = function(year) {
+        return is.number(year) && ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0);
+    };
+
+    // is a given dates month equal given month parameter?
+    is.month = function(date, month) {
+        return is.date(date) && month.toLowerCase() === months[date.getMonth()];
+    };
+    // month method does not support 'all' and 'any' interfaces
+    is.month.api = ['not'];
+
+    // is a given date past?
+    is.past = function(date) {
+        var now = new Date();
+        return is.date(date) && date.getTime() < now.getTime();
+    };
+
+    // is a given date in the parameter quarter?
+    is.quarterOfYear = function(date, quarter) {
+        return is.date(date) && is.number(quarter) && quarter === Math.floor((date.getMonth() + 3) / 3);
+    };
+    // quarterOfYear method does not support 'all' and 'any' interfaces
+    is.quarterOfYear.api = ['not'];
+
+    // is a given date indicate today?
+    is.today = function(date) {
+        var now = new Date();
+        var todayString = now.toDateString();
+        return is.date(date) && date.toDateString() === todayString;
+    };
+
+    // is a given date indicate tomorrow?
+    is.tomorrow = function(date) {
+        var now = new Date();
+        var tomorrowString = new Date(now.setDate(now.getDate() + 1)).toDateString();
+        return is.date(date) && date.toDateString() === tomorrowString;
+    };
+
+    // is a given date weekend?
+    // 6: Saturday, 0: Sunday
+    is.weekend = function(date) {
+        return is.date(date) && (date.getDay() === 6 || date.getDay() === 0);
+    };
+
+    // is a given date weekday?
+    is.weekday = not(is.weekend);
+
+    // is a given dates year equal given year parameter?
+    is.year = function(date, year) {
+        return is.date(date) && is.number(year) && year === date.getFullYear();
+    };
+    // year method does not support 'all' and 'any' interfaces
+    is.year.api = ['not'];
+
+    // is a given date indicate yesterday?
+    is.yesterday = function(date) {
+        var now = new Date();
+        var yesterdayString = new Date(now.setDate(now.getDate() - 1)).toDateString();
+        return is.date(date) && date.toDateString() === yesterdayString;
+    };
+
+    // Environment checks
+    /* -------------------------------------------------------------------------- */
+
+    var freeGlobal = is.windowObject(typeof global == 'object' && global) && global;
+    var freeSelf = is.windowObject(typeof self == 'object' && self) && self;
+    var thisGlobal = is.windowObject(typeof this == 'object' && this) && this;
+    var root = freeGlobal || freeSelf || thisGlobal || Function('return this')();
+
+    var document = freeSelf && freeSelf.document;
+    var previousIs = root.is;
+
+    // store navigator properties to use later
+    var navigator = freeSelf && freeSelf.navigator;
+    var appVersion = (navigator && navigator.appVersion || '').toLowerCase();
+    var userAgent = (navigator && navigator.userAgent || '').toLowerCase();
+    var vendor = (navigator && navigator.vendor || '').toLowerCase();
+
+    // is current device android?
+    is.android = function() {
+        return /android/.test(userAgent);
+    };
+    // android method does not support 'all' and 'any' interfaces
+    is.android.api = ['not'];
+
+    // is current device android phone?
+    is.androidPhone = function() {
+        return /android/.test(userAgent) && /mobile/.test(userAgent);
+    };
+    // androidPhone method does not support 'all' and 'any' interfaces
+    is.androidPhone.api = ['not'];
+
+    // is current device android tablet?
+    is.androidTablet = function() {
+        return /android/.test(userAgent) && !/mobile/.test(userAgent);
+    };
+    // androidTablet method does not support 'all' and 'any' interfaces
+    is.androidTablet.api = ['not'];
+
+    // is current device blackberry?
+    is.blackberry = function() {
+        return /blackberry/.test(userAgent) || /bb10/.test(userAgent);
+    };
+    // blackberry method does not support 'all' and 'any' interfaces
+    is.blackberry.api = ['not'];
+
+    // is current browser chrome?
+    // parameter is optional
+    is.chrome = function(range) {
+        var match = /google inc/.test(vendor) ? userAgent.match(/(?:chrome|crios)\/(\d+)/) : null;
+        return match !== null && compareVersion(match[1], range);
+    };
+    // chrome method does not support 'all' and 'any' interfaces
+    is.chrome.api = ['not'];
+
+    // is current device desktop?
+    is.desktop = function() {
+        return is.not.mobile() && is.not.tablet();
+    };
+    // desktop method does not support 'all' and 'any' interfaces
+    is.desktop.api = ['not'];
+
+    // is current browser edge?
+    // parameter is optional
+    is.edge = function(range) {
+        var match = userAgent.match(/edge\/(\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // edge method does not support 'all' and 'any' interfaces
+    is.edge.api = ['not'];
+
+    // is current browser firefox?
+    // parameter is optional
+    is.firefox = function(range) {
+        var match = userAgent.match(/(?:firefox|fxios)\/(\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // firefox method does not support 'all' and 'any' interfaces
+    is.firefox.api = ['not'];
+
+    // is current browser internet explorer?
+    // parameter is optional
+    is.ie = function(range) {
+        var match = userAgent.match(/(?:msie |trident.+?; rv:)(\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // ie method does not support 'all' and 'any' interfaces
+    is.ie.api = ['not'];
+
+    // is current device ios?
+    is.ios = function() {
+        return is.iphone() || is.ipad() || is.ipod();
+    };
+    // ios method does not support 'all' and 'any' interfaces
+    is.ios.api = ['not'];
+
+    // is current device ipad?
+    // parameter is optional
+    is.ipad = function(range) {
+        var match = userAgent.match(/ipad.+?os (\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // ipad method does not support 'all' and 'any' interfaces
+    is.ipad.api = ['not'];
+
+    // is current device iphone?
+    // parameter is optional
+    is.iphone = function(range) {
+        // original iPhone doesn't have the os portion of the UA
+        var match = userAgent.match(/iphone(?:.+?os (\d+))?/);
+        return match !== null && compareVersion(match[1] || 1, range);
+    };
+    // iphone method does not support 'all' and 'any' interfaces
+    is.iphone.api = ['not'];
+
+    // is current device ipod?
+    // parameter is optional
+    is.ipod = function(range) {
+        var match = userAgent.match(/ipod.+?os (\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // ipod method does not support 'all' and 'any' interfaces
+    is.ipod.api = ['not'];
+
+    // is current operating system linux?
+    is.linux = function() {
+        return /linux/.test(appVersion);
+    };
+    // linux method does not support 'all' and 'any' interfaces
+    is.linux.api = ['not'];
+
+    // is current operating system mac?
+    is.mac = function() {
+        return /mac/.test(appVersion);
+    };
+    // mac method does not support 'all' and 'any' interfaces
+    is.mac.api = ['not'];
+
+    // is current device mobile?
+    is.mobile = function() {
+        return is.iphone() || is.ipod() || is.androidPhone() || is.blackberry() || is.windowsPhone();
+    };
+    // mobile method does not support 'all' and 'any' interfaces
+    is.mobile.api = ['not'];
+
+    // is current state offline?
+    is.offline = not(is.online);
+    // offline method does not support 'all' and 'any' interfaces
+    is.offline.api = ['not'];
+
+    // is current state online?
+    is.online = function() {
+        return !navigator || navigator.onLine === true;
+    };
+    // online method does not support 'all' and 'any' interfaces
+    is.online.api = ['not'];
+
+    // is current browser opera?
+    // parameter is optional
+    is.opera = function(range) {
+        var match = userAgent.match(/(?:^opera.+?version|opr)\/(\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // opera method does not support 'all' and 'any' interfaces
+    is.opera.api = ['not'];
+
+    // is current browser phantomjs?
+    // parameter is optional
+    is.phantom = function(range) {
+        var match = userAgent.match(/phantomjs\/(\d+)/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // phantom method does not support 'all' and 'any' interfaces
+    is.phantom.api = ['not'];
+
+    // is current browser safari?
+    // parameter is optional
+    is.safari = function(range) {
+        var match = userAgent.match(/version\/(\d+).+?safari/);
+        return match !== null && compareVersion(match[1], range);
+    };
+    // safari method does not support 'all' and 'any' interfaces
+    is.safari.api = ['not'];
+
+    // is current device tablet?
+    is.tablet = function() {
+        return is.ipad() || is.androidTablet() || is.windowsTablet();
+    };
+    // tablet method does not support 'all' and 'any' interfaces
+    is.tablet.api = ['not'];
+
+    // is current device supports touch?
+    is.touchDevice = function() {
+        return !!document && ('ontouchstart' in freeSelf ||
+            ('DocumentTouch' in freeSelf && document instanceof DocumentTouch));
+    };
+    // touchDevice method does not support 'all' and 'any' interfaces
+    is.touchDevice.api = ['not'];
+
+    // is current operating system windows?
+    is.windows = function() {
+        return /win/.test(appVersion);
+    };
+    // windows method does not support 'all' and 'any' interfaces
+    is.windows.api = ['not'];
+
+    // is current device windows phone?
+    is.windowsPhone = function() {
+        return is.windows() && /phone/.test(userAgent);
+    };
+    // windowsPhone method does not support 'all' and 'any' interfaces
+    is.windowsPhone.api = ['not'];
+
+    // is current device windows tablet?
+    is.windowsTablet = function() {
+        return is.windows() && is.not.windowsPhone() && /touch/.test(userAgent);
+    };
+    // windowsTablet method does not support 'all' and 'any' interfaces
+    is.windowsTablet.api = ['not'];
+
+    // Object checks
+    /* -------------------------------------------------------------------------- */
+
+    // has a given object got parameterized count property?
+    is.propertyCount = function(object, count) {
+        if (is.not.object(object) || is.not.number(count)) {
+            return false;
+        }
+        var n = 0;
+        for (var property in object) {
+            if (hasOwnProperty.call(object, property) && ++n > count) {
+                return false;
+            }
+        }
+        return n === count;
+    };
+    // propertyCount method does not support 'all' and 'any' interfaces
+    is.propertyCount.api = ['not'];
+
+    // is given object has parameterized property?
+    is.propertyDefined = function(object, property) {
+        return is.object(object) && is.string(property) && property in object;
+    };
+    // propertyDefined method does not support 'all' and 'any' interfaces
+    is.propertyDefined.api = ['not'];
+
+    // Array checks
+    /* -------------------------------------------------------------------------- */
+
+    // is a given item in an array?
+    is.inArray = function(value, array) {
+        if (is.not.array(array)) {
+            return false;
+        }
+        for (var i = 0; i < array.length; i++) {
+            if (array[i] === value) {
+                return true;
+            }
+        }
+        return false;
+    };
+    // inArray method does not support 'all' and 'any' interfaces
+    is.inArray.api = ['not'];
+
+    // is a given array sorted?
+    is.sorted = function(array, sign) {
+        if (is.not.array(array)) {
+            return false;
+        }
+        var predicate = comparator[sign] || comparator['>='];
+        for (var i = 1; i < array.length; i++) {
+            if (!predicate(array[i], array[i - 1])) {
+                return false;
+            }
+        }
+        return true;
+    };
+
+    // API
+    // Set 'not', 'all' and 'any' interfaces to methods based on their api property
+    /* -------------------------------------------------------------------------- */
+
+    function setInterfaces() {
+        var options = is;
+        for (var option in options) {
+            if (hasOwnProperty.call(options, option) && is['function'](options[option])) {
+                var interfaces = options[option].api || ['not', 'all', 'any'];
+                for (var i = 0; i < interfaces.length; i++) {
+                    if (interfaces[i] === 'not') {
+                        is.not[option] = not(is[option]);
+                    }
+                    if (interfaces[i] === 'all') {
+                        is.all[option] = all(is[option]);
+                    }
+                    if (interfaces[i] === 'any') {
+                        is.any[option] = any(is[option]);
+                    }
+                }
+            }
+        }
+    }
+    setInterfaces();
+
+    // Configuration methods
+    // Intentionally added after setInterfaces function
+    /* -------------------------------------------------------------------------- */
+
+    // change namespace of library to prevent name collisions
+    // var preferredName = is.setNamespace();
+    // preferredName.odd(3);
+    // => true
+    is.setNamespace = function() {
+        root.is = previousIs;
+        return this;
+    };
+
+    // set optional regexes to methods
+    is.setRegexp = function(regexp, name) {
+        for (var r in regexes) {
+            if (hasOwnProperty.call(regexes, r) && (name === r)) {
+                regexes[r] = regexp;
+            }
+        }
+    };
+
+    return is;
+}));

+/*!
+ * is.js 0.8.0
+ * Author: Aras Atasaygin
+ */
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\ No newline at end of file

+{
+  "_from": "is_js@^0.9.0",
+  "_id": "is_js@0.9.0",
+  "_inBundle": false,
+  "_integrity": "sha1-CrlFQFArp6+iTIVqqYVWFmnpxS0=",
+  "_location": "/is_js",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "is_js@^0.9.0",
+    "name": "is_js",
+    "escapedName": "is_js",
+    "rawSpec": "^0.9.0",
+    "saveSpec": null,
+    "fetchSpec": "^0.9.0"
+  },
+  "_requiredBy": [
+    "/request-ip"
+  ],
+  "_resolved": "https://registry.npmjs.org/is_js/-/is_js-0.9.0.tgz",
+  "_shasum": "0ab94540502ba7afa24c856aa985561669e9c52d",
+  "_spec": "is_js@^0.9.0",
+  "_where": "C:\\Users\\KoMoGoon\\Desktop\\oss_project\\Singer-Composer\\node_modules\\request-ip",
+  "bugs": {
+    "url": "https://github.com/arasatasaygin/is.js/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "micro check library",
+  "devDependencies": {
+    "chai": "^3.4.0",
+    "eslint": "^2.13.1",
+    "lodash": "^4.15.0",
+    "mocha": "^2.2.1",
+    "mocha-phantomjs": "^4.1.0",
+    "pre-commit": "^1.1.3",
+    "uglify-js": "^2.7.3"
+  },
+  "files": [
+    "is.js",
+    "is.min.js"
+  ],
+  "homepage": "http://is.js.org/",
+  "license": "MIT",
+  "main": "is.js",
+  "name": "is_js",
+  "pre-commit": [
+    "lint"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/arasatasaygin/is.js.git"
+  },
+  "scripts": {
+    "build": "npm run lint && npm run min",
+    "lint": "eslint .",
+    "min": "uglifyjs is.js -m --comments \"/^!/\" -o is.min.js",
+    "test": "mocha --check-leaks -R dot",
+    "test:phantom": "mocha-phantomjs -R dot test/index.html"
+  },
+  "version": "0.9.0"
+}

+# Change Log
+
+## [2.1.2](https://github.com/pbojinov/request-ip/tree/2.1.2) (2018-10-29)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/2.1.1...2.1.2)
+
+**Closed issues:**
+
+- Handle Firebase hosting header fastly-client-ip [\#37](https://github.com/pbojinov/request-ip/issues/37)
+
+**Merged pull requests:**
+
+- chore: improve packaging [\#40](https://github.com/pbojinov/request-ip/pull/40) ([pi0](https://github.com/pi0))
+- fixed Cannot redefine property: clientIp error [\#39](https://github.com/pbojinov/request-ip/pull/39) ([karankohli13](https://github.com/karankohli13))
+- Add firebase hosting header [\#38](https://github.com/pbojinov/request-ip/pull/38) ([vishalvijay](https://github.com/vishalvijay))
+
+## [2.1.1](https://github.com/pbojinov/request-ip/tree/2.1.1) (2018-07-03)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/2.1.0...2.1.1)
+
+## [2.1.0](https://github.com/pbojinov/request-ip/tree/2.1.0) (2018-07-03)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/2.0.2...2.1.0)
+
+**Closed issues:**
+
+- Not getting the right ip first time [\#28](https://github.com/pbojinov/request-ip/issues/28)
+- Allow using node \> 6 [\#27](https://github.com/pbojinov/request-ip/issues/27)
+
+**Merged pull requests:**
+
+- Get client ip when using AWS Api Gateway + Lambda. [\#35](https://github.com/pbojinov/request-ip/pull/35) ([rafaelthemendes](https://github.com/rafaelthemendes))
+- redefine attribute getter [\#34](https://github.com/pbojinov/request-ip/pull/34) ([isayme](https://github.com/isayme))
+
+## [2.0.2](https://github.com/pbojinov/request-ip/tree/2.0.2) (2017-06-26)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/2.0.1...2.0.2)
+
+**Closed issues:**
+
+- azure web app adds port to x-forwarded-for [\#29](https://github.com/pbojinov/request-ip/issues/29)
+
+**Merged pull requests:**
+
+- handling x-forwarded-for with ip:port [\#30](https://github.com/pbojinov/request-ip/pull/30) ([luisrudge](https://github.com/luisrudge))
+
+## [2.0.1](https://github.com/pbojinov/request-ip/tree/2.0.1) (2017-03-09)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/2.0.0...2.0.1)
+
+**Implemented enhancements:**
+
+- ES2015 Support [\#22](https://github.com/pbojinov/request-ip/issues/22)
+
+## [2.0.0](https://github.com/pbojinov/request-ip/tree/2.0.0) (2017-03-07)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.3.0...2.0.0)
+
+**Closed issues:**
+
+- optimized your code a bit \(no need to evalutate every option before choosing first one that matches. just evaluate then return on first match\) [\#15](https://github.com/pbojinov/request-ip/issues/15)
+
+**Merged pull requests:**
+
+- Refactor to ES6 [\#23](https://github.com/pbojinov/request-ip/pull/23) ([fluxsauce](https://github.com/fluxsauce))
+
+## [1.3.0](https://github.com/pbojinov/request-ip/tree/1.3.0) (2017-03-03)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.2.3...1.3.0)
+
+**Closed issues:**
+
+- Support Cloudflare? [\#20](https://github.com/pbojinov/request-ip/issues/20)
+- How to receive IP in client [\#17](https://github.com/pbojinov/request-ip/issues/17)
+
+**Merged pull requests:**
+
+- Adding support for CF-Connecting-IP and True-Client-IP [\#21](https://github.com/pbojinov/request-ip/pull/21) ([fluxsauce](https://github.com/fluxsauce))
+- Return once we find something and don't crash if req.headers is undefined [\#19](https://github.com/pbojinov/request-ip/pull/19) ([rokob](https://github.com/rokob))
+- Ignore 'unknown' ip addresses in X-Forwarded-For header [\#18](https://github.com/pbojinov/request-ip/pull/18) ([raunc](https://github.com/raunc))
+
+## [1.2.3](https://github.com/pbojinov/request-ip/tree/1.2.3) (2016-11-02)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.2.2...1.2.3)
+
+**Closed issues:**
+
+- Are there any security concerns when saving the IP directly to a database? [\#16](https://github.com/pbojinov/request-ip/issues/16)
+- I'm not getting local host ip address 127.0.0.1 [\#14](https://github.com/pbojinov/request-ip/issues/14)
+
+## [1.2.2](https://github.com/pbojinov/request-ip/tree/1.2.2) (2016-01-27)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.2.1...1.2.2)
+
+## [1.2.1](https://github.com/pbojinov/request-ip/tree/1.2.1) (2016-01-27)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.2.0...1.2.1)
+
+**Merged pull requests:**
+
+- introduce a built-in default implementation for a connect-middleware [\#12](https://github.com/pbojinov/request-ip/pull/12) ([osherx](https://github.com/osherx))
+
+## [1.2.0](https://github.com/pbojinov/request-ip/tree/1.2.0) (2016-01-27)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.1.4...1.2.0)
+
+**Merged pull requests:**
+
+- Cleanup [\#13](https://github.com/pbojinov/request-ip/pull/13) ([minecrawler](https://github.com/minecrawler))
+- Got it working in a case that was returning null [\#11](https://github.com/pbojinov/request-ip/pull/11) ([andfaulkner](https://github.com/andfaulkner))
+
+## [1.1.4](https://github.com/pbojinov/request-ip/tree/1.1.4) (2015-07-23)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.1.3...1.1.4)
+
+**Merged pull requests:**
+
+- Add case management where you can not find the IP address [\#10](https://github.com/pbojinov/request-ip/pull/10) ([sitexw](https://github.com/sitexw))
+
+## [1.1.3](https://github.com/pbojinov/request-ip/tree/1.1.3) (2015-04-20)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.1.2...1.1.3)
+
+## [1.1.2](https://github.com/pbojinov/request-ip/tree/1.1.2) (2015-04-04)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.1.1...1.1.2)
+
+## [1.1.1](https://github.com/pbojinov/request-ip/tree/1.1.1) (2015-04-04)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/1.1.0...1.1.1)
+
+**Closed issues:**
+
+- needs semver [\#7](https://github.com/pbojinov/request-ip/issues/7)
+
+## [1.1.0](https://github.com/pbojinov/request-ip/tree/1.1.0) (2015-04-04)
+[Full Changelog](https://github.com/pbojinov/request-ip/compare/v0.0.4...1.1.0)
+
+**Merged pull requests:**
+
+- Update README.md [\#9](https://github.com/pbojinov/request-ip/pull/9) ([coolaj86](https://github.com/coolaj86))
+- This deserves a production version number. [\#8](https://github.com/pbojinov/request-ip/pull/8) ([coolaj86](https://github.com/coolaj86))
+
+## [v0.0.4](https://github.com/pbojinov/request-ip/tree/v0.0.4) (2015-01-16)
+**Closed issues:**
+
+- Invalid header [\#5](https://github.com/pbojinov/request-ip/issues/5)
+- replace req.header\('X-Forwarded-For'\) for req.header\('X-Forwarder-For'\)\); [\#3](https://github.com/pbojinov/request-ip/issues/3)
+- Nginx problems [\#2](https://github.com/pbojinov/request-ip/issues/2)
+
+**Merged pull requests:**
+
+- Add support for X-Real-IP Header [\#6](https://github.com/pbojinov/request-ip/pull/6) ([pmarques](https://github.com/pmarques))
+- fix bug X-Forwarder-For [\#4](https://github.com/pbojinov/request-ip/pull/4) ([morello-cl](https://github.com/morello-cl))
+- Add a Bitdeli Badge to README [\#1](https://github.com/pbojinov/request-ip/pull/1) ([bitdeli-chef](https://github.com/bitdeli-chef))
+
+
+
+\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*
\ No newline at end of file

+The MIT License (MIT)
+
+Copyright (c) 2018 Petar Bojinov - petarbojinov@gmail.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+# request-ip
+
+A tiny Node.js module for retrieving a request's IP address. 
+
+![](https://nodei.co/npm/request-ip.png?downloads=true&cacheBust=2)
+
+![](https://travis-ci.org/pbojinov/request-ip.svg?branch=master)
+[![Coverage Status](https://coveralls.io/repos/pbojinov/request-ip/badge.svg)](https://coveralls.io/r/pbojinov/request-ip)
+![](https://img.shields.io/npm/l/express.svg)
+[![npm version](https://badge.fury.io/js/request-ip.svg)](https://badge.fury.io/js/request-ip)
+
+## Installation
+
+```bash
+npm install request-ip --save
+```
+    
+## Getting Started
+
+```javascript
+const requestIp = require('request-ip');
+
+// inside middleware handler
+const ipMiddleware = function(req, res, next) {
+    const clientIp = requestIp.getClientIp(req); 
+    next();
+};
+
+// on localhost you'll see 127.0.0.1 if you're using IPv4 
+// or ::1, ::ffff:127.0.0.1 if you're using IPv6
+```
+
+### As Connect Middleware
+
+```javascript
+const requestIp = require('request-ip');
+app.use(requestIp.mw())
+
+app.use(function(req, res) {
+    const ip = req.clientIp;
+    res.end(ip);
+});
+```
+
+To see a full working code for the middleware, check out the [examples](https://github.com/pbojinov/request-ip/tree/master/examples) folder.
+
+The connect-middleware also supports retrieving the ip address under a custom attribute name, which also works as a container for any future settings. 
+
+## How It Works
+
+It looks for specific headers in the request and falls back to some defaults if they do not exist.
+
+The user ip is determined by the following order:
+
+1. `X-Client-IP`  
+2. `X-Forwarded-For` (Header may return multiple IP addresses in the format: "client IP, proxy 1 IP, proxy 2 IP", so we take the the first one.)
+3. `CF-Connecting-IP` (Cloudflare)
+4. `Fastly-Client-Ip` (Fastly CDN and Firebase hosting header when forwared to a cloud function)
+5. `True-Client-Ip` (Akamai and Cloudflare)
+6. `X-Real-IP` (Nginx proxy/FastCGI)
+7. `X-Cluster-Client-IP` (Rackspace LB, Riverbed Stingray)
+8. `X-Forwarded`, `Forwarded-For` and `Forwarded` (Variations of #2)
+9. `req.connection.remoteAddress`
+10. `req.socket.remoteAddress`
+11. `req.connection.socket.remoteAddress`
+12. `req.info.remoteAddress`
+
+If an IP address cannot be found, it will return `null`.
+
+## Samples Use Cases
+
+* Getting a user's IP for geolocation.
+
+
+## Running the Tests
+
+Make sure you have the necessary dev dependencies needed to run the tests:
+
+```
+npm install
+```
+
+Run the integration tests
+
+```
+npm test
+```
+
+## Release Notes
+
+See the wonderful [changelog](https://github.com/pbojinov/request-ip/blob/master/CHANGELOG.md)
+
+To easily generate a new changelog, install [github-changelog-generator](https://github.com/skywinder/github-changelog-generator) then run `npm run changelog`.
+
+## Contributors
+
+* Thanks to [@osherx](https://github.com/osherx) for adding the connect-middleware.
+* Thanks to [@raunc](https://github.com/raunc) for adding Squid proxy support.
+* Thanks to [@fluxsauce](https://github.com/fluxsauce) for adding `CF-Connecting-IP`, `True-Client-IP`, and ES6 support.
+* Thanks to [@vishalvijay](https://github.com/vishalvijay) for adding Fastly/Firebase hosting support.
+
+## License
+
+The MIT License (MIT) - 2018

+"use strict";
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var is = require('is_js');
+/**
+ * Parse x-forwarded-for headers.
+ *
+ * @param {string} value - The value to be parsed.
+ * @return {string|null} First known IP address, if any.
+ */
+
+
+function getClientIpFromXForwardedFor(value) {
+  if (!is.existy(value)) {
+    return null;
+  }
+
+  if (is.not.string(value)) {
+    throw new TypeError("Expected a string, got \"".concat(_typeof(value), "\""));
+  } // x-forwarded-for may return multiple IP addresses in the format:
+  // "client IP, proxy 1 IP, proxy 2 IP"
+  // Therefore, the right-most IP address is the IP address of the most recent proxy
+  // and the left-most IP address is the IP address of the originating client.
+  // source: http://docs.aws.amazon.com/elasticloadbalancing/latest/classic/x-forwarded-headers.html
+  // Azure Web App's also adds a port for some reason, so we'll only use the first part (the IP)
+
+
+  var forwardedIps = value.split(',').map(function (e) {
+    var ip = e.trim();
+
+    if (ip.includes(':')) {
+      var splitted = ip.split(':'); // make sure we only use this if it's ipv4 (ip:port)
+
+      if (splitted.length === 2) {
+        return splitted[0];
+      }
+    }
+
+    return ip;
+  }); // Sometimes IP addresses in this header can be 'unknown' (http://stackoverflow.com/a/11285650).
+  // Therefore taking the left-most IP address that is not unknown
+  // A Squid configuration directive can also set the value to "unknown" (http://www.squid-cache.org/Doc/config/forwarded_for/)
+
+  return forwardedIps.find(is.ip);
+}
+/**
+ * Determine client IP address.
+ *
+ * @param req
+ * @returns {string} ip - The IP address if known, defaulting to empty string if unknown.
+ */
+
+
+function getClientIp(req) {
+  // Server is probably behind a proxy.
+  if (req.headers) {
+    // Standard headers used by Amazon EC2, Heroku, and others.
+    if (is.ip(req.headers['x-client-ip'])) {
+      return req.headers['x-client-ip'];
+    } // Load-balancers (AWS ELB) or proxies.
+
+
+    var xForwardedFor = getClientIpFromXForwardedFor(req.headers['x-forwarded-for']);
+
+    if (is.ip(xForwardedFor)) {
+      return xForwardedFor;
+    } // Cloudflare.
+    // @see https://support.cloudflare.com/hc/en-us/articles/200170986-How-does-Cloudflare-handle-HTTP-Request-headers-
+    // CF-Connecting-IP - applied to every request to the origin.
+
+
+    if (is.ip(req.headers['cf-connecting-ip'])) {
+      return req.headers['cf-connecting-ip'];
+    } // Fastly and Firebase hosting header (When forwared to cloud function)
+
+
+    if (is.ip(req.headers['fastly-client-ip'])) {
+      return req.headers['fastly-client-ip'];
+    } // Akamai and Cloudflare: True-Client-IP.
+
+
+    if (is.ip(req.headers['true-client-ip'])) {
+      return req.headers['true-client-ip'];
+    } // Default nginx proxy/fcgi; alternative to x-forwarded-for, used by some proxies.
+
+
+    if (is.ip(req.headers['x-real-ip'])) {
+      return req.headers['x-real-ip'];
+    } // (Rackspace LB and Riverbed's Stingray)
+    // http://www.rackspace.com/knowledge_center/article/controlling-access-to-linux-cloud-sites-based-on-the-client-ip-address
+    // https://splash.riverbed.com/docs/DOC-1926
+
+
+    if (is.ip(req.headers['x-cluster-client-ip'])) {
+      return req.headers['x-cluster-client-ip'];
+    }
+
+    if (is.ip(req.headers['x-forwarded'])) {
+      return req.headers['x-forwarded'];
+    }
+
+    if (is.ip(req.headers['forwarded-for'])) {
+      return req.headers['forwarded-for'];
+    }
+
+    if (is.ip(req.headers.forwarded)) {
+      return req.headers.forwarded;
+    }
+  } // Remote address checks.
+
+
+  if (is.existy(req.connection)) {
+    if (is.ip(req.connection.remoteAddress)) {
+      return req.connection.remoteAddress;
+    }
+
+    if (is.existy(req.connection.socket) && is.ip(req.connection.socket.remoteAddress)) {
+      return req.connection.socket.remoteAddress;
+    }
+  }
+
+  if (is.existy(req.socket) && is.ip(req.socket.remoteAddress)) {
+    return req.socket.remoteAddress;
+  }
+
+  if (is.existy(req.info) && is.ip(req.info.remoteAddress)) {
+    return req.info.remoteAddress;
+  } // AWS Api Gateway + Lambda
+
+
+  if (is.existy(req.requestContext) && is.existy(req.requestContext.identity) && is.ip(req.requestContext.identity.sourceIp)) {
+    return req.requestContext.identity.sourceIp;
+  }
+
+  return null;
+}
+/**
+ * Expose request IP as a middleware.
+ *
+ * @param {object} [options] - Configuration.
+ * @param {string} [options.attributeName] - Name of attribute to augment request object with.
+ * @return {*}
+ */
+
+
+function mw(options) {
+  // Defaults.
+  var configuration = is.not.existy(options) ? {} : options; // Validation.
+
+  if (is.not.object(configuration)) {
+    throw new TypeError('Options must be an object!');
+  }
+
+  var attributeName = configuration.attributeName || 'clientIp';
+  return function (req, res, next) {
+    var ip = getClientIp(req);
+    Object.defineProperty(req, attributeName, {
+      get: function get() {
+        return ip;
+      },
+      configurable: true
+    });
+    next();
+  };
+}
+
+module.exports = {
+  getClientIpFromXForwardedFor: getClientIpFromXForwardedFor,
+  getClientIp: getClientIp,
+  mw: mw
+};
+

+{
+  "_from": "request-ip",
+  "_id": "request-ip@2.1.3",
+  "_inBundle": false,
+  "_integrity": "sha512-J3qdE/IhVM3BXkwMIVO4yFrvhJlU3H7JH16+6yHucadT4fePnR8dyh+vEs6FIx0S2x5TCt2ptiPfHcn0sqhbYQ==",
+  "_location": "/request-ip",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "tag",
+    "registry": true,
+    "raw": "request-ip",
+    "name": "request-ip",
+    "escapedName": "request-ip",
+    "rawSpec": "",
+    "saveSpec": null,
+    "fetchSpec": "latest"
+  },
+  "_requiredBy": [
+    "#USER",
+    "/"
+  ],
+  "_resolved": "https://registry.npmjs.org/request-ip/-/request-ip-2.1.3.tgz",
+  "_shasum": "99ab2bafdeaf2002626e28083cb10597511d9e14",
+  "_spec": "request-ip",
+  "_where": "C:\\Users\\KoMoGoon\\Desktop\\oss_project\\Singer-Composer",
+  "author": {
+    "name": "Petar Bojinov",
+    "email": "petarbojinov@gmail.com"
+  },
+  "bugs": {
+    "url": "https://github.com/pbojinov/request-ip/issues"
+  },
+  "bundleDependencies": false,
+  "contributors": [
+    {
+      "name": "Jon Peck",
+      "email": "jpeck@fluxsauce.com"
+    }
+  ],
+  "dependencies": {
+    "is_js": "^0.9.0"
+  },
+  "deprecated": false,
+  "description": "A small node.js module to retrieve the request's IP address",
+  "devDependencies": {
+    "@babel/cli": "^7.0.0-beta.51",
+    "@babel/core": "^7.0.0-beta.51",
+    "@babel/preset-env": "^7.0.0-beta.51",
+    "coveralls": "^3.0.2",
+    "eslint": "^5.8.0",
+    "eslint-config-airbnb-base": "^13.1.0",
+    "eslint-plugin-import": "^2.2.0",
+    "nyc": "^13.1.0",
+    "request": "^2.54.0",
+    "tap-spec": "^5.0.0",
+    "tape": "^4.9.1"
+  },
+  "files": [
+    "dist"
+  ],
+  "homepage": "https://github.com/pbojinov/request-ip",
+  "keywords": [
+    "request ip",
+    "ip",
+    "address",
+    "request",
+    "proxy",
+    "client",
+    "header",
+    "X-Client-IP",
+    "X-Forwarded-For",
+    "CF-Connecting-IP",
+    "Fastly-Client-IP",
+    "True-Client-IP",
+    "X-Real-IP",
+    "X-Cluster-Client-IP",
+    "X-Forwarded",
+    "Forwarded-For",
+    "connection.remoteAddress",
+    "connection.socket.remoteAddress",
+    "req.info.remoteAddress",
+    "middleware",
+    "ipv4",
+    "ipv6"
+  ],
+  "license": "MIT",
+  "main": "./dist/index.js",
+  "name": "request-ip",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/pbojinov/request-ip.git"
+  },
+  "scripts": {
+    "build": "babel ./src/index.js > ./dist/index.js",
+    "changelog": "github_changelog_generator -u pbojinov -p request-ip",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "test": "nyc --reporter=html --reporter=text --check-coverage --lines=100 --statements=100 tape ./test/index.js"
+  },
+  "version": "2.1.3"
+}

@@ -750,6 +750,11 @@
       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
       "dev": true
     },
+    "is_js": {
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/is_js/-/is_js-0.9.0.tgz",
+      "integrity": "sha1-CrlFQFArp6+iTIVqqYVWFmnpxS0="
+    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
@@ -1154,6 +1159,14 @@
         }
       }
     },
+    "request-ip": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/request-ip/-/request-ip-2.1.3.tgz",
+      "integrity": "sha512-J3qdE/IhVM3BXkwMIVO4yFrvhJlU3H7JH16+6yHucadT4fePnR8dyh+vEs6FIx0S2x5TCt2ptiPfHcn0sqhbYQ==",
+      "requires": {
+        "is_js": "^0.9.0"
+      }
+    },
     "request-promise-core": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.4.tgz",

@@ -12,6 +12,7 @@
     "ejs": "^3.1.6",
     "express": "^4.17.1",
     "mysql": "^2.18.1",
+    "request-ip": "^2.1.3",
     "socket.io": "^4.4.0"
   },
   "devDependencies": {

@@ -60,10 +60,10 @@ create table board(
 >UPDATE board SET idx = @COUNT:=@COUNT+1;
 
 ---
-### 최종 수정: 2021-11-23 01:53<br>
+### 최종 수정: 2021-11-23 02:49<br>
 ### 수정 내용:
 0. 채팅기능에 버그가 있는 것 같음-피드백 바람(undefined님이 나가셨습니다. -> 콘솔에 계속 출력됨)
-1. 일부 수정
+1. 로그에 IP 추가
 2. 로그에 시간 추가
 3. 시간 실시간 반영
 4. 게시글 수정 및 삭제 세션+권한 연동/DB수정

@@ -2,6 +2,7 @@ var express = require('express')
 var app = express()
 var router = express.Router();
 var path = require('path') // 상대경로
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -24,14 +25,15 @@ init()
 
 // main page는 login이 된 상태(세션정보가 있을때만) 접근이 가능하게 하자 -> info에 구현해놓음.
 router.get('/', function(req, res){
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+'익명의 유저가 about 페이지에서 작업 중입니다.')
+        console.log(logString+'익명의 유저가 about 페이지에서 작업 중입니다.('+ip+')')
         res.sendFile(path.join(__dirname, "../../public/about.html"))
     }
     if(id){
         var nickname = req.user.nickname;
-        console.log(logString+req.user.ID+'('+nickname+') 유저가 about 페이지에서 작업 중입니다.')
+        console.log(logString+req.user.ID+'('+nickname+') 유저가 about 페이지에서 작업 중입니다.('+ip+')')
         res.render('about.ejs', {'ID': id, 'nickname': nickname});
     }
 });

@@ -7,6 +7,7 @@ var mysql = require('mysql');
 var path = require('path') // 상대경로
 var mysql_odbc = require('../../db/db_board')();
 var board = mysql_odbc.init();
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -28,9 +29,10 @@ function init(){
 init()
 
 router.get('/list/:page', function(req, res, next) {
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+'익명 유저의 게시판 접근을 거부했습니다.')
+        console.log(logString+'익명 유저의 게시판 접근을 거부했습니다.('+ip+')')
         res.redirect('/board/list/1')
     }
     else{
@@ -41,36 +43,39 @@ router.get('/list/:page', function(req, res, next) {
             if (err) console.error("err : " + err);
             var id = req.user.ID;
             var nickname = req.user.nickname;
-            console.log(logString+req.user.ID+'('+nickname+') 유저가 게시판을 보고있습니다.')
+            console.log(logString+req.user.ID+'('+nickname+') 유저가 게시판을 보고있습니다.('+ip+')')
             res.render('list.ejs', {'ID':id, 'nickname': nickname, title: '게시판 리스트', rows: rows, page:page, length:rows.length-1,page_num:10,pass:true})
         })
     }
 });
 
 router.get('/list', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+'익명 유저의 게시판 접근을 거부했습니다.')
+        console.log(logString+'익명 유저의 게시판 접근을 거부했습니다.('+ip+')')
         res.sendFile(path.join(__dirname, "../../public/login.html"))
     }
     else res.redirect('/board/list/1')
 })
 
 router.get('/write', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+'익명 유저의 글쓰기 시도를 거부했습니다.')
+        console.log(logString+'익명 유저의 글쓰기 시도를 거부했습니다.('+ip+')')
         res.sendFile(path.join(__dirname, "../../public/login.html"))
     }
     else{
         var id = req.user.ID;
         var nickname = req.user.nickname;
-        console.log(logString+req.user.ID+'('+nickname+') 유저가 게시글 작성 중입니다.')
+        console.log(logString+req.user.ID+'('+nickname+') 유저가 게시글 작성 중입니다.('+ip+')')
         res.render('write.ejs', {'ID':id, 'nickname': nickname, title:"게시판 글 쓰기"})
     }
 })
 
 router.post('/write', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var nickname = req.user.nickname // var name = req.body.name
     var title = req.body.title
     var content = req.body.content
@@ -91,12 +96,13 @@ router.post('/write', function(req,res,next){
         if(!idx_) // 글이 없으면 NULL
             idx_ = 1;
 
-        console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx_+'번 게시글을 작성했습니다.')
+        console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx_+'번 게시글을 작성했습니다.('+ip+')')
         res.redirect('/board/read/'+idx_);
     });
 })
 
 router.get('/read/:idx', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var idx = req.params.idx
     var sql = "select idx, nickname, title, content, date_format(modidate,'%Y-%m-%d %H:%i:%s') modidate, " +
     "date_format(regdate,'%Y-%m-%d %H:%i:%s') regdate, hit, ID from board where idx=?";
@@ -105,7 +111,7 @@ router.get('/read/:idx', function(req,res,next){
 
         var id = req.user;
         if(!id){
-            console.log(logString+'익명 유저의 '+idx+'번 게시물 접근을 거부했습니다.')
+            console.log(logString+'익명 유저의 '+idx+'번 게시물 접근을 거부했습니다.('+ip+')')
             res.redirect('/login')
         }
         else{
@@ -118,13 +124,14 @@ router.get('/read/:idx', function(req,res,next){
                 if(err) console.error(err)
             })
 
-            console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 보고있습니다.')
+            console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 보고있습니다.('+ip+')')
             res.render('read.ejs', {'ID':id, 'nickname': nickname, title:"글 상세", row:row[0]})
         }
     })
 })
 
 router.post('/update', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var ID = req.user.ID;
     var idx = req.body.idx
     var title = req.body.title
@@ -135,19 +142,20 @@ router.post('/update', function(req,res,next){
     board.query(sql,datas,function(err,result){
         if(err) console.error(err)
         if(result.affectedRows==0){
-            console.log(logString+req.user.ID+'('+nickname+') 유저의 '+idx+'번 게시글 수정을 거부했습니다.(권한없음)')
+            console.log(logString+req.user.ID+'('+req.user.nickname+') 유저의 '+idx+'번 게시글 수정을 거부했습니다.(권한없음 // '+ip+')')
             res.send("<script>alert('게시글 작성자가 아닙니다.');history.back();</script>")
         }
         else{
             var id = req.user.ID;
             var nickname = req.user.nickname;
-            console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 수정했습니다.')
+            console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 수정했습니다.('+ip+')')
             res.redirect('/board/read/'+idx)
         }
     })
 })
 
 router.post('/delete', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var idx = req.body.idx
     var ID = req.user.ID;
     var datas = [idx,ID]
@@ -170,12 +178,12 @@ router.post('/delete', function(req,res,next){
                         
                         var nickname = req.user.nickname;
                         res.send("<script>alert('게시글이 운영자에 의해 삭제되었습니다.');window.location.href='/board/list/';</script>");
-                        console.log(logString+"[Admin] "+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 삭제했습니다.')
+                        console.log(logString+"[Admin] "+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 삭제했습니다.('+ip+')')
                     })
                 }
                 else{ // 작성자도, 운영자도 아니면
                     var nickname = req.user.nickname;
-                    console.log(logString+req.user.ID+'('+nickname+') 유저의 '+idx+'번 게시글 삭제를 거부했습니다.(권한없음)')
+                    console.log(logString+req.user.ID+'('+nickname+') 유저의 '+idx+'번 게시글 삭제를 거부했습니다.(권한없음 // '+ip+')')
                     res.send("<script>alert('게시글 작성자가 아닙니다');history.back();</script>");
                 }
             })
@@ -184,7 +192,7 @@ router.post('/delete', function(req,res,next){
             var id = req.user.ID;
             var nickname = req.user.nickname;
             res.send("<script>alert('게시글이 삭제되었습니다.');window.location.href='/board/list/';</script>");
-            console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 삭제했습니다.')
+            console.log(logString+req.user.ID+'('+nickname+') 유저가 '+idx+'번 게시글을 삭제했습니다.('+ip+')')
         }
     })
 })

@@ -4,6 +4,7 @@ var router = express.Router();
 var path = require('path') // 상대경로
 var mysql_odbc = require('../../db/db_board')();
 var myinfo = mysql_odbc.init();
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -25,14 +26,15 @@ function init(){
 init()
 
 router.get('/', function(req, res){
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+'익명 유저의 채팅 접근을 거부했습니다.')
+        console.log(logString+'익명 유저의 채팅 접근을 거부했습니다.('+ip+')')
         res.sendFile(path.join(__dirname, "../../public/login.html"))
     }
     if(id){
         var nickname = req.user.nickname
-        console.log(logString+req.user.ID+'('+nickname+') 유저가 채팅 중입니다.')
+        console.log(logString+req.user.ID+'('+nickname+') 유저가 채팅 중입니다.('+ip+')')
         res.render('chat.ejs', {'nickname':nickname})
     }
 });

@@ -2,6 +2,7 @@ var express = require('express')
 var app = express()
 var router = express.Router();
 var path = require('path')
+var requestIp = require('request-ip');
 
 var main = require('./main/main')
 var register = require('./register/index')
@@ -12,10 +13,39 @@ var profile = require('./profile/index')
 var about = require('./about/index')
 var chat = require('./chat/chat')
 
+// 로그용
+var logString;
+function getTime(){
+    var today = new Date();
+    var year = today.getFullYear();
+    var month = ('0' + (today.getMonth()+1)).slice(-2);
+    var day = ('0' + today.getDate()).slice(-2);
+    var hour = ('0' + today.getHours()).slice(-2);
+    var minute = ('0' + today.getMinutes()).slice(-2);
+    var second = ('0' + today.getSeconds()).slice(-2);
+    logString = '['+year+'-'+month+'-'+day+' '+hour+':'+minute+':'+second+'] ';
+}
+// 시간 갱신용
+function init(){
+    getTime();
+    setInterval(getTime, 1000)
+}
+init()
+
 // URL routing
 // req = request, res = respond
 router.get('/', function(req, res){
-    res.sendFile(path.join(__dirname, "../public/main.html"));
+    var ip = requestIp.getClientIp(req);
+    var id = req.user;
+    if(!id){
+        console.log(logString+'익명의 유저가 작업 중입니다.('+ip+')')
+        res.sendFile(path.join(__dirname, "../public/main.html"))
+    }
+    if(id){
+        var nickname = req.user.nickname;
+        console.log(logString+req.user.ID+'('+nickname+') 유저가 작업 중입니다.('+ip+')')
+        res.render('main.ejs', {'ID': id, 'nickname': nickname});
+    }
 });
 
 // router 정의

@@ -5,6 +5,7 @@ var path = require('path') // 상대경로
 var mysql = require('mysql')
 var passport = require('passport')
 var LocalStrategy = require('passport-local').Strategy
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -39,7 +40,8 @@ router.get('/', function(req, res){
     var msg;
     var errMsg = req.flash('error')
     if(errMsg) msg = errMsg;
-    console.log(logString+'익명의 유저가 로그인 중입니다.')
+    var ip = requestIp.getClientIp(req);
+    console.log(logString+'익명의 유저가 로그인 중입니다.('+ip+')')
     res.render('login.ejs', {'message' : msg});
 })
 
@@ -62,18 +64,19 @@ passport.use('local-login', new LocalStrategy({
             var query = connection.query('select * from userDB where ID=?', [ID], function(err, rows){
             if(err) return done(err);
             
+            var ip = requestIp.getClientIp(req);
             if(rows.length){ // database에 입력한 ID값이 있는가?
                 if(password == rows[0].password){ // 비밀번호와 확인이 같은가?
-                    console.log(logString+"로그인 알림: "+ ID +"(" + rows[0].nickname + ")")
+                    console.log(logString+"로그인 알림: "+ ID +"(" + rows[0].nickname +" // "+ip+')')
                     return done(null, {'ID' : ID, 'nickname' : rows[0].nickname});
                 }
                 else{
-                    console.log(logString+"로그인 알림: 잘못된 비밀번호입니다.(시도된 아이디: "+ID+")")
+                    console.log(logString+"로그인 알림: 잘못된 비밀번호입니다.(시도된 아이디: "+ID+" // "+ip+')')
                     return done(null, false, {message : '잘못된 비밀번호입니다.'})
                 }
             }
             else{
-                console.log(logString+"로그인 알림: ID를 찾을 수 없습니다.(시도된 아이디: "+ID+")")
+                console.log(logString+"로그인 알림: ID를 찾을 수 없습니다.(시도된 아이디: "+ID+" // "+ip+')')
                 return done(null, false, {message : 'ID를 찾을 수 없습니다.'})
             }
         })

@@ -2,6 +2,7 @@ var express = require('express')
 var app = express()
 var router = express.Router();
 var path = require('path')
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -23,13 +24,14 @@ function init(){
 init()
 
 router.get('/', function(req, res){
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+"익명 유저의 로그아웃 시도를 거부했습니다.")
+        console.log(logString+"익명 유저의 로그아웃 시도를 거부했습니다.("+ip+')')
         res.redirect('/main')
     }
     else{
-        console.log(logString+req.user.ID+"("+req.user.nickname+") 유저가 로그아웃합니다.")
+        console.log(logString+req.user.ID+"("+req.user.nickname+") 유저가 로그아웃합니다.("+ip+')')
         req.logout();
         req.session.save(function(){
             res.redirect('/');

@@ -2,6 +2,7 @@ var express = require('express')
 var app = express()
 var router = express.Router();
 var path = require('path') // 상대경로
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -24,14 +25,15 @@ init()
 
 // main page는 login이 된 상태(세션정보가 있을때만) 접근이 가능하게 하자 -> info에 구현해놓음.
 router.get('/', function(req, res){
+    var ip = requestIp.getClientIp(req);
     var id = req.user;
     if(!id){
-        console.log(logString+'익명의 유저가 작업 중입니다.')
+        console.log(logString+'익명의 유저가 작업 중입니다.('+ip+')')
         res.sendFile(path.join(__dirname, "../../public/main.html"))
     }
     if(id){
         var nickname = req.user.nickname;
-        console.log(logString+req.user.ID+'('+nickname+') 유저가 작업 중입니다.')
+        console.log(logString+req.user.ID+'('+nickname+') 유저가 작업 중입니다.('+ip+')')
         res.render('main.ejs', {'ID': id, 'nickname': nickname});
     }
 });

@@ -6,6 +6,7 @@ var mysql_odbc = require('../../db/db_board')();
 var myinfo = mysql_odbc.init();
 var passport = require('passport')
 var LocalStrategy = require('passport-local').Strategy
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -39,6 +40,7 @@ passport.deserializeUser(function(user, done){
 
 // main page는 login이 된 상태(세션정보가 있을때만) 접근이 가능하게 하자 -> info에 구현해놓음.
 router.get('/', function(req, res){
+    var ip = requestIp.getClientIp(req);
     try{
         var id = req.session.passport.user.ID;
         // if(!id){
@@ -53,18 +55,19 @@ router.get('/', function(req, res){
             var nickname = req.user.nickname;
             var type = rows[0].type;
             var profilemsg = rows[0].profilemsg;
-            console.log(logString+req.user.ID+'('+nickname+') 유저가 프로필을 보고있습니다.')
+            console.log(logString+req.user.ID+'('+nickname+') 유저가 프로필을 보고있습니다.('+ip+')')
             res.render('profile.ejs', {'ID':id, 'nickname': nickname, 'type': type, 'profilemsg': profilemsg})
         })
     }
     catch{
-        console.log(logString+'익명 유저의 프로필 접근 시도를 거부했습니다.')
+        console.log(logString+'익명 유저의 프로필 접근 시도를 거부했습니다.('+ip+')')
         res.sendFile(path.join(__dirname, "../../public/login.html"))
     }
 
 });
 
 router.get('/update', function(req,res){
+    var ip = requestIp.getClientIp(req);
     try{
         var id = req.user.ID;
         // if(!id){
@@ -80,19 +83,20 @@ router.get('/update', function(req,res){
             var nickname = req.user.nickname;
             var type = req.user.type;
             var profilemsg = rows[0].profilemsg;
-            console.log(logString+req.user.ID+'('+nickname+') 유저가 프로필 수정 중입니다.')
+            console.log(logString+req.user.ID+'('+nickname+') 유저가 프로필 수정 중입니다.('+ip+')')
             res.render('profmsgedit.ejs', {'ID':id, 'nickname': nickname, 'type':type, 'profilemsg': profilemsg, 'message':''});
         })
     }
     catch{
         if(!id){
-            console.log(logString+'익명 유저의 프로필 수정 시도를 거부했습니다.')
+            console.log(logString+'익명 유저의 프로필 수정 시도를 거부했습니다.('+ip+')')
             res.sendFile(path.join(__dirname, "../../public/login.html"))
         }
     }
 })
 
 router.post('/update', function(req,res,next){
+    var ip = requestIp.getClientIp(req);
     var id = req.user.ID;
     var profilemsg = req.body.profilemsg;
     var nickname = req.body.nickname;
@@ -127,7 +131,7 @@ router.post('/update', function(req,res,next){
             myinfo.query(sql,datas,function(err,result){
                 if(err) console.error(err)
 
-                console.log(logString+req.user.ID+'('+req.session.passport.user.nickname+') 유저가 프로필을 수정했습니다.')
+                console.log(logString+req.user.ID+'('+req.session.passport.user.nickname+') 유저가 프로필을 수정했습니다.('+ip+')')
                 console.log("  ▷ 변경전: "+id+"("+req.user.nickname+") "+oldType+" // "+oldProfilemsg)
                 req.session.passport.user.nickname = nickname;
                 console.log("  ▶ 변경후: "+id+"("+nickname+") "+type+" // "+profilemsg)
@@ -135,7 +139,7 @@ router.post('/update', function(req,res,next){
             })
         }
         else{ // 다른 유저의 닉네임과 중복되는 경우
-            console.log(logString+id+" 유저가 중복된 닉네임으로 변경을 시도했습니다.(시도한 닉네임: "+req.body.nickname+")")
+            console.log(logString+id+" 유저가 중복된 닉네임으로 변경을 시도했습니다.(시도한 닉네임: "+req.body.nickname+" // ("+ip+')')
             res.render('profmsgedit.ejs', {nickname: req.session.passport.user.nickname, profilemsg: oldProfilemsg, message : '중복된 닉네임입니다.'})
         }
     })

@@ -5,6 +5,7 @@ var path = require('path') // 상대경로
 var mysql = require('mysql')
 var passport = require('passport')
 var LocalStrategy = require('passport-local').Strategy
+var requestIp = require('request-ip');
 
 // 로그용
 var logString;
@@ -39,7 +40,8 @@ router.get('/', function(req, res){
     var msg;
     var errMsg = req.flash('error')
     if(errMsg) msg = errMsg;
-    console.log(logString+'익명의 유저가 회원가입 중입니다.')
+    var ip = requestIp.getClientIp(req);
+    console.log(logString+'익명의 유저가 회원가입 중입니다.('+ip+')')
     res.render('register.ejs', {'message' : msg});
 })
 
@@ -63,29 +65,30 @@ passport.use('local-join', new LocalStrategy({
         passReqToCallback: true
      }, function(req, ID, password, done){
             var query = connection.query('select * from userDB where ID=?', [ID], function(err, rows){
-            if(err) return done(err);
+                var ip = requestIp.getClientIp(req);
+                if(err) return done(err);
 
             if(rows.length){ // database에 입력한 ID값이 있는가?
-                console.log(logString+"회원가입 알림: 중복된 ID입니다.("+ID+")")
+                console.log(logString+"회원가입 알림: 중복된 ID입니다.("+ID+" // "+ip+')')
                 return done(null, false, {message : '중복된 ID입니다.'})
             }
             else{
                 if(password != req.body.pw_com){ // 비밀번호와 확인이 같지 않은가?
-                    console.log(logString+"회원가입 알림: 비밀번호가 일치하지 않습니다.(시도 중인 아이디: "+ID+")")
+                    console.log(logString+"회원가입 알림: 비밀번호가 일치하지 않습니다.(시도 중인 아이디: "+ID+" // "+ip+')')
                     return done(null, false, {message : '비밀번호가 일치하지 않습니다.'})
                 }
                 else{
                     var subqry = connection.query('select * from userDB where nickname=?', [req.body.nickname], function(err, rows_){
                         if(err) return done(err);
                         if(rows_.length){
-                            console.log(logString+"회원가입 알림: 중복된 닉네임입니다.("+req.body.nickname+")")
+                            console.log(logString+"회원가입 알림: 중복된 닉네임입니다.("+req.body.nickname+" // "+ip+')')
                             return done(null, false, {message : '중복된 닉네임입니다.'})
                         }
                         else{
                             var sql = {ID: ID, password: password, type:req.body.type, nickname:req.body.nickname};
                             var query = connection.query('insert into userDB set ?', sql, function(err, rows){
                                 if(err) throw err
-                                console.log(logString+"회원가입 알림: 사용자가 추가되었습니다.(" + ID +", " + req.body.nickname + ")")
+                                console.log(logString+"회원가입 알림: 사용자가 추가되었습니다.(" + ID +", " + req.body.nickname + " // "+ip+')')
                                 return done(null, {'ID' : ID, 'nickname' : req.body.nickname});
                             })
                         }