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 options.secure ? '; secure' : '' 73 ].join('')); 74 } 75 76 // Read 77 78 var result = key ? undefined : {}; 79 80 // To prevent the for loop in the first place assign an empty array 81 // in case there are no cookies at all. Also prevents odd result when 82 // calling $.cookie(). 83 var cookies = document.cookie ? document.cookie.split('; ') : []; 84 85 for (var i = 0, l = cookies.length; i < l; i++) { 86 var parts = cookies[i].split('='); 87 var name = decode(parts.shift()); 88 var cookie = parts.join('='); 89 90 if (key && key === name) { 91 // If second argument (value) is a function it's a converter... 92 result = read(cookie, value); 93 break; 94 } 95 96 // Prevent storing a cookie that we couldn't decode. 97 if (!key && (cookie = read(cookie)) !== undefined) { 98 result[name] = cookie; 99 } 100 } 101 102 return result; 103 }; 104 105 config.defaults = {}; 106 107 $.removeCookie = function (key, options) { 108 if ($.cookie(key) === undefined) { 109 return false; 110 } 111 112 // Must not alter options, thus extending a fresh object... 113 $.cookie(key, '', $.extend({}, options, { expires: -1 })); 114 return !$.cookie(key); 115 }; 116 117})); 118