https://lagunatenbosch.co.jp/js/jquery.cookie.js

1/*!
2 * jQuery Cookie Plugin v1.3.1
3 * https://github.com/carhartl/jquery-cookie
4 *
5 * Copyright 2013 Klaus Hartl
6 * Released under the MIT license
7 */
8(function (factory) {
9	if (typeof define === 'function' && define.amd) {
10		// AMD. Register as anonymous module.
11		define(['jquery'], factory);
12	} else {
13		// Browser globals.
14		factory(jQuery);
15	}
16}(function ($) {
17
18	var pluses = /\+/g;
19
20	function decode(s) {
21		if (config.raw) {
22			return s;
23		}
24		try {
25			// If we can't decode the cookie, ignore it, it's unusable.
26			return decodeURIComponent(s.replace(pluses, ' '));
27		} catch(e) {}
28	}
29
30	function decodeAndParse(s) {
31		if (s.indexOf('"') === 0) {
32			// This is a quoted cookie as according to RFC2068, unescape...
33			s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
34		}
35
36		s = decode(s);
37
38		try {
39			// If we can't parse the cookie, ignore it, it's unusable.
40			return config.json ? JSON.parse(s) : s;
41		} catch(e) {}
42	}
43
44	var config = $.cookie = function (key, value, options) {
45
46		// Write
47		if (value !== undefined) {
48			options = $.extend({}, config.defaults, options);
49
50			if (typeof options.expires === 'number') {
51				var days = options.expires, t = options.expires = new Date();
52				t.setDate(t.getDate() + days);
53			}
54
55			value = config.json ? JSON.stringify(value) : String(value);
56
57			return (document.cookie = [
58				config.raw ? key : encodeURIComponent(key),
59				'=',
60				config.raw ? value : encodeURIComponent(value),
61				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
62				options.path    ? '; path=' + options.path : '',
63				options.domain  ? '; domain=' + options.domain : '',
64				options.secure  ? '; secure' : ''
65			].join(''));
66		}
67
68		// Read
69
70		var result = key ? undefined : {};
71
72		// To prevent the for loop in the first place assign an empty array
73		// in case there are no cookies at all. Also prevents odd result when
74		// calling $.cookie().
75		var cookies = document.cookie ? document.cookie.split('; ') : [];
76
77		for (var i = 0, l = cookies.length; i < l; i++) {
78			var parts = cookies[i].split('=');
79			var name = decode(parts.shift());
80			var cookie = parts.join('=');
81
82			if (key && key === name) {
83				result = decodeAndParse(cookie);
84				break;
85			}
86
87			// Prevent storing a cookie that we couldn't decode.
88			if (!key && (cookie = decodeAndParse(cookie)) !== undefined) {
89				result[name] = cookie;
90			}
91		}
92
93		return result;
94	};
95
96	config.defaults = {};
97
98	$.removeCookie = function (key, options) {
99		if ($.cookie(key) !== undefined) {
100			// Must not alter options, thus extending a fresh object...
101			$.cookie(key, '', $.extend({}, options, { expires: -1 }));
102			return true;
103		}
104		return false;
105	};
106
107}));