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// Copyright (c) 2012 Florian H., https://github.com/js-coder https://github.com/js-coder/cookie.js
!function (document, undefined) {
var cookie = function () {
return cookie.get.apply(cookie, arguments);
};
var utils = cookie.utils = {
// Is the given value an array? Use ES5 Array.isArray if it's available.
isArray: Array.isArray || function (value) {
return Object.prototype.toString.call(value) === '[object Array]';
},
// Is the given value a plain object / an object whose constructor is `Object`?
isPlainObject: function (value) {
return !!value && Object.prototype.toString.call(value) === '[object Object]';
},
// Convert an array-like object to an array – for example `arguments`.
toArray: function (value) {
return Array.prototype.slice.call(value);
},
// Get the keys of an object. Use ES5 Object.keys if it's available.
getKeys: Object.keys || function (obj) {
var keys = [],
key = '';
for (key in obj) {
if (obj.hasOwnProperty(key)) keys.push(key);
}
return keys;
},
// Unlike JavaScript's built-in escape functions, this method
// only escapes characters that are not allowed in cookies.
escape: function (value) {
return String(value).replace(/[,;"\\=\s%]/g, function (character) {
return encodeURIComponent(character);
});
},
// Return fallback if the value is not defined, otherwise return value.
retrieve: function (value, fallback) {
return value == null ? fallback : value;
}
};
cookie.defaults = {};
cookie.expiresMultiplier = 60 * 60 * 24;
cookie.set = function (key, value, options) {
if (utils.isPlainObject(key)) { // Then `key` contains an object with keys and values for cookies, `value` contains the options object.
for (var k in key) { // TODO: `k` really sucks as a variable name, but I didn't come up with a better one yet.
if (key.hasOwnProperty(k)) this.set(k, key[k], value);
}
} else {
options = utils.isPlainObject(options) ? options : { expires: options };
var expires = options.expires !== undefined ? options.expires : (this.defaults.expires || ''), // Empty string for session cookies.
expiresType = typeof(expires);
if (expiresType === 'string' && expires !== '') expires = new Date(expires);
else if (expiresType === 'number') expires = new Date(+new Date + 1000 * this.expiresMultiplier * expires); // This is needed because IE does not support the `max-age` cookie attribute.
if (expires !== '' && 'toGMTString' in expires) expires = ';expires=' + expires.toGMTString();
var path = options.path || this.defaults.path; // TODO: Too much code for a simple feature.
path = path ? ';path=' + path : '';
var domain = options.domain || this.defaults.domain;
domain = domain ? ';domain=' + domain : '';
var secure = options.secure || this.defaults.secure ? ';secure' : '';
document.cookie = utils.escape(key) + '=' + utils.escape(value) + expires + path + domain + secure;
}
return this; // Return the `cookie` object to make chaining possible.
};
// TODO: This is commented out, because I didn't come up with a better method name yet. Any ideas?
// cookie.setIfItDoesNotExist = function (key, value, options) {
// if (this.get(key) === undefined) this.set.call(this, arguments);
// },
cookie.remove = function (keys) {
keys = utils.isArray(keys) ? keys : utils.toArray(arguments);
for (var i = 0, l = keys.length; i < l; i++) {
this.set(keys[i], '', -1);
}
return this; // Return the `cookie` object to make chaining possible.
};
cookie.empty = function () {
return this.remove(utils.getKeys(this.all()));
};
cookie.get = function (keys, fallback) {
fallback = fallback || undefined;
var cookies = this.all();
if (utils.isArray(keys)) {
var result = {};
for (var i = 0, l = keys.length; i < l; i++) {
var value = keys[i];
result[value] = utils.retrieve(cookies[value], fallback);
}
return result;
} else return utils.retrieve(cookies[keys], fallback);
};
cookie.all = function () {
if (document.cookie === '') return {};
var cookies = document.cookie.split('; '),
result = {};
for (var i = 0, l = cookies.length; i < l; i++) {
var item = cookies[i].split('=');
result[decodeURIComponent(item[0])] = decodeURIComponent(item[1]);
}
return result;
};
cookie.enabled = function () {
if (navigator.cookieEnabled) return true;
var ret = cookie.set('_', '_').get('_') === '_';
cookie.remove('_');
return ret;
};
// If an AMD loader is present use AMD.
// If a CommonJS loader is present use CommonJS.
// Otherwise assign the `cookie` object to the global scope.
if (typeof define === 'function' && define.amd) {
define(function () {
return cookie;
});
} else if (typeof exports !== 'undefined') {
exports.cookie = cookie;
} else window.cookie = cookie;
}(document);