https://bizwebcast.intel.cn/dev/js/jquery.cookie.js

1/*!
2 * jQuery Cookie Plugin v1.4.1
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
11		define(['jquery'], factory);
12	} else if (typeof exports === 'object') {
13		// CommonJS
14		factory(require('jquery'));
15	} else {
16		// Browser globals
17		factory(jQuery);
18	}
19}(function ($) {
20
21	var pluses = /\+/g;
22
23	function encode(s) {
24		return config.raw ? s : encodeURIComponent(s);
25	}
26
27	function decode(s) {
28		return config.raw ? s : decodeURIComponent(s);
29	}
30
31	function stringifyCookieValue(value) {
32		return encode(config.json ? JSON.stringify(value) : String(value));
33	}
34
35	function parseCookieValue(s) {
36		if (s.indexOf('"') === 0) {
37			// This is a quoted cookie as according to RFC2068, unescape...
38			s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
39		}
40
41		try {
42			// Replace server-side written pluses with spaces.
43			// If we can't decode the cookie, ignore it, it's unusable.
44			// If we can't parse the cookie, ignore it, it's unusable.
45			s = decodeURIComponent(s.replace(pluses, ' '));
46			return config.json ? JSON.parse(s) : s;
47		} catch(e) {}
48	}
49
50	function read(s, converter) {
51		var value = config.raw ? s : parseCookieValue(s);
52		return $.isFunction(converter) ? converter(value) : value;
53	}
54
55	var config = $.cookie = function (key, value, options) {
56
57		// Write
58
59		if (value !== undefined && !$.isFunction(value)) {
60			options = $.extend({}, config.defaults, options);
61
62			if (typeof options.expires === 'number') {
63				var days = options.expires, t = options.expires = new Date();
64				t.setTime(+t + days * 864e+5);
65			}
66
67			return (document.cookie = [
68				encode(key), '=', stringifyCookieValue(value),
69				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
70				options.path    ? '; path=' + options.path : '',
71				options.domain  ? '; domain=' + options.domain : '',
72				'; SameSite=Lax',
73				'; secure',
74			].join(''));
75		}
76
77		// Read
78
79		var result = key ? undefined : {};
80
81		// To prevent the for loop in the first place assign an empty array
82		// in case there are no cookies at all. Also prevents odd result when
83		// calling $.cookie().
84		var cookies = document.cookie ? document.cookie.split('; ') : [];
85
86		for (var i = 0, l = cookies.length; i < l; i++) {
87			var parts = cookies[i].split('=');
88			var name = decode(parts.shift());
89			var cookie = parts.join('=');
90
91			if (key && key === name) {
92				// If second argument (value) is a function it's a converter...
93				result = read(cookie, value);
94				break;
95			}
96
97			// Prevent storing a cookie that we couldn't decode.
98			if (!key && (cookie = read(cookie)) !== undefined) {
99				result[name] = cookie;
100			}
101		}
102
103		return result;
104	};
105
106	config.defaults = {};
107
108	$.removeCookie = function (key, options) {
109		if ($.cookie(key) === undefined) {
110			return false;
111		}
112
113		// Must not alter options, thus extending a fresh object...
114		$.cookie(key, '', $.extend({}, options, { expires: -1 }));
115		return !$.cookie(key);
116	};
117
118}));