jquery.cookie.js
118 lines
| 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 'function' === typeof converter ? converter(value) : value; |
| 53 | } |
| 54 | |
| 55 | var config = $.cookie = function (key, value, options) { |
| 56 | |
| 57 | // Write |
| 58 | |
| 59 | if (value !== undefined && 'function' !== typeof 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 |