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 raw(s) {
  21                 return s;
  22         }
  23
  24         function decoded(s) {
  25                 return decodeURIComponent(s.replace(pluses, ' '));
  26         }
  27
  28         function converted(s) {
  29                 if (s.indexOf('"') === 0) {
  30                         // This is a quoted cookie as according to RFC2068, unescape
  31                         s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
  32                 }
  33                 try {
  34                         return config.json ? JSON.parse(s) : s;
  35                 } catch(er) {}
  36         }
  37
  38         var config = $.cookie = function (key, value, options) {
  39
  40                 // write
  41                 if (value !== undefined) {
  42                         options = $.extend({}, config.defaults, options);
  43
  44                         if (typeof options.expires === 'number') {
  45                                 var days = options.expires, t = options.expires = new Date();
  46                                 t.setDate(t.getDate() + days);
  47                         }
  48
  49                         value = config.json ? JSON.stringify(value) : String(value);
  50
  51                         return (document.cookie = [
  52                                 config.raw ? key : encodeURIComponent(key),
  53                                 '=',
  54                                 config.raw ? value : encodeURIComponent(value),
  55                                 options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
  56                                 options.path    ? '; path=' + options.path : '',
  57                                 options.domain  ? '; domain=' + options.domain : '',
  58                                 options.secure  ? '; secure' : ''
  59                         ].join(''));
  60                 }
  61
  62                 // read
  63                 var decode = config.raw ? raw : decoded;
  64                 var cookies = document.cookie.split('; ');
  65                 var result = key ? undefined : {};
  66                 for (var i = 0, l = cookies.length; i < l; i++) {
  67                         var parts = cookies[i].split('=');
  68                         var name = decode(parts.shift());
  69                         var cookie = decode(parts.join('='));
  70
  71                         if (key && key === name) {
  72                                 result = converted(cookie);
  73                                 break;
  74                         }
  75
  76                         if (!key) {
  77                                 result[name] = converted(cookie);
  78                         }
  79                 }
  80
  81                 return result;
  82         };
  83
  84         config.defaults = {};
  85
  86         $.removeCookie = function (key, options) {
  87                 if ($.cookie(key) !== undefined) {
  88                         // Must not alter options, thus extending a fresh object...
  89                         $.cookie(key, '', $.extend({}, options, { expires: -1 }));
  90                         return true;
  91                 }
  92                 return false;
  93         };
  94
  95 }));