diff --git a/CHANGELOG.md b/CHANGELOG.md index 74c014a..d4deb17 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,12 +2,21 @@ +## 2.1.2 + +### Improvements + +1. Added the `options` parameter to the API method `removeItem()`, in order to allow passing metadata to the cookie to delete. + When using `"cookieStorage"` the new signature is: `instance.removeItem(key, options)` +1. Checks if the cookie was created on `setItem()`, or delete it if the domain or path are not valid. + +--- + ## 2.1.1 ### Fixes -1. [#4](https://github.com/jherax/proxy-storage/issues/4): - Removing cookies are failing when the domain or path were set in the cookie. +1. [#4](https://github.com/jherax/proxy-storage/issues/4): Removing cookies are failing when the `domain` or `path` were set in the cookie. 1. `setItem`: prevents converting strings values to JSON to avoid extra quotes. --- diff --git a/README.md b/README.md index 7520c3e..cabf20e 100644 --- a/README.md +++ b/README.md @@ -59,7 +59,7 @@ $ yarn add proxy-storage - + ``` In the above case, [`proxyStorage`](#api) is included as a global object @@ -153,7 +153,9 @@ It inherits the following members from the `WebStorage` prototype:
The `options` parameter is used only when you set `"cookieStorage"`. Read more details [here](#handling-cookies). - **`getItem`**`(key)`: retrieves a value by its `key` name. -- **`removeItem`**`(key)`: deletes an item from the storage. +- **`removeItem`**`(key [,options])`: deletes an item from the storage. +
The `options` parameter is used only when you set `"cookieStorage"`. + Read more details [here](#handling-cookies). - **`clear`**`()`: removes all items from the storage instance. - **`length`**: gets the number of items stored in the storage instance. @@ -234,7 +236,9 @@ Each instance handles an adapter with the following API:
The `options` parameter is used only when you set `"cookieStorage"`. Read more details [here](#handling-cookies). - **`getItem`**`(key)`: retrieves a value by its `key` name. -- **`removeItem`**`(key)`: deletes an item from the storage. +- **`removeItem`**`(key [,options])`: deletes an item from the storage. +
The `options` parameter is used only when you set `"cookieStorage"`. + Read more details [here](#handling-cookies). - **`clear`**`()`: removes all items from the storage instance. - **`length`**: gets the number of items stored in the storage instance. @@ -253,7 +257,7 @@ const sessionStore = new WebStorage('sessionStorage'); sessionStore.setItem('character', { name: 'Mordecai' }); // store in cookies -const options = { expires: {days:1} }; +const options = { expires: {days: 1} }; const cookieStore = new WebStorage('cookieStorage'); cookieStore.setItem('character', { name: 'Rigby' }, options); ``` @@ -341,7 +345,8 @@ cookieStore.setItem('testing3', 3, { **Important**: Take into account that if you want to modify or remove a cookie that was created with a specific `path` or `domain` / subdomain, you need to -explicitate the domain attribute in `setItem(key, value, options)`. +explicitate the domain attribute in the `options` when calling +`setItem(key, value, options)` or `removeItem(key, options)`. ![cookies](https://www.dropbox.com/s/wlvgm0t8xc07me1/cookies-metadata.gif?dl=1) @@ -359,9 +364,8 @@ cookieStore.setItem('landedAnswers', 999, { }); // remove an external cookie in a subdomain -cookieStore.setItem('optimizelyEndUserId', '', { +cookieStore.removeItem('optimizelyEndUserId', { domain: '.healthcare.org', - expires: {days: -1}, // trick! }); ``` @@ -443,7 +447,7 @@ the _value_ passed and returned in each callback. import storage, { WebStorage } from 'proxy-storage'; // adds first interceptor for 'setItem' -WebStorage.interceptors('setItem', (key, value) => { +WebStorage.interceptors('setItem', (key, value/*, options*/) => { if (key === 'storage-test') { // transform the 'id' property by encoding it to base64 value.id = btoa(value.id); @@ -454,7 +458,7 @@ WebStorage.interceptors('setItem', (key, value) => { // adds second interceptor for 'setItem' WebStorage.interceptors('setItem', (key, value) => { // does not apply any transformation - console.info('setItem: See the localStorage in your browser'); + console.info('setItem: See the application storage in your browser'); console.log(`${key}: ${JSON.stringify(value)}`); }); @@ -467,7 +471,7 @@ WebStorage.interceptors('getItem', (key, value) => { return value; }); -WebStorage.interceptors('removeItem', (key) => { +WebStorage.interceptors('removeItem', (key/*, options*/) => { console.log(`removeItem: ${key}`); }); @@ -552,20 +556,29 @@ console.log('in memoryStorage', data); ## Shimming-polyfills - - This library is written using some of the new ES6 features, e.g. -`Object.assign()`. If your target browsers does not have support, -you can polyfill some of the ES2015 features with the next alternatives: +`Object.assign()`. If you have to support Non-standard-compliant browsers +(e.g. Internet Explorer), you can polyfill some of the ES2015 features with +the following alternatives: -The reason is because this library use some of the new features in ES5-ES6. -To overcome this problem, you may include in your project the -[es6-shim](https://github.com/paulmillr/es6-shim) script before all scripts. +**[es6-shim](https://github.com/paulmillr/es6-shim)** ```html - + + ``` +**[polyfill.io](https://polyfill.io/v2/docs/)** + +```html + + +``` + +[Polyfill.io](https://polyfill.io/v2/docs/examples) reads the `User-Agent` +header of each request and returns the polyfills that are suitable for the +requesting browser. + ## Running the project If you want to fork or build your own, you must run this project. diff --git a/dist/proxy-storage.js b/dist/proxy-storage.js index 2cfbeac..a6575f3 100644 --- a/dist/proxy-storage.js +++ b/dist/proxy-storage.js @@ -1,4 +1,4 @@ -/*! proxyStorage@v2.1.1. Jherax 2017. Visit https://github.com/jherax/proxy-storage */ +/*! proxyStorage@v2.1.2. Jherax 2017. Visit https://github.com/jherax/proxy-storage */ (function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(); @@ -150,7 +150,7 @@ function setProperty(obj, name, value) { /** * Validates if the key is not empty. - * (null, undefined either empty string) + * (null, undefined or empty string) * * @param {string} key: keyname of an element in the storage mechanism * @return {void} @@ -231,6 +231,15 @@ var _interceptors = { clear: [] }; +/** + * @private + * + * Keys not allowed for cookies. + * + * @type {RegExp} + */ +var bannedKeys = /^(?:expires|max-age|path|domain|secure)$/i; + /** * @private * @@ -376,14 +385,20 @@ var WebStorage = function () { key: 'setItem', value: function setItem(key, value, options) { (0, _utils.checkEmpty)(key); + var storageType = this.__storage__; + if (storageType === 'cookieStorage' && bannedKeys.test(key)) { + throw new Error('The key is a reserved word, therefore not allowed'); + } var v = executeInterceptors('setItem', key, value, options); if (v !== undefined) value = v; this[key] = value; // prevents converting strings to JSON to avoid extra quotes if (typeof value !== 'string') value = JSON.stringify(value); - // TODO: should add setTimeout for options.expires? - // TODO: prevent adding cookies when the domain or path are not valid? - _proxyMechanism.proxy[this.__storage__].setItem(key, value, options); + _proxyMechanism.proxy[storageType].setItem(key, value, options); + // checks if the cookie was created, or delete it if the domain or path are not valid + if (storageType === 'cookieStorage' && _proxyMechanism.proxy[storageType].getItem(key) === null) { + delete this[key]; + } } /** @@ -416,6 +431,7 @@ var WebStorage = function () { * Deletes a key from the storage. * * @param {string} key: keyname of the storage + * @param {object} options: additional options for cookieStorage * @return {void} * * @memberOf WebStorage @@ -423,11 +439,11 @@ var WebStorage = function () { }, { key: 'removeItem', - value: function removeItem(key) { + value: function removeItem(key, options) { (0, _utils.checkEmpty)(key); - executeInterceptors('removeItem', key); + executeInterceptors('removeItem', key, options); delete this[key]; - _proxyMechanism.proxy[this.__storage__].removeItem(key); + _proxyMechanism.proxy[this.__storage__].removeItem(key, options); } /** @@ -542,11 +558,19 @@ function buildExpirationString(date) { return expires.toUTCString(); } -// @private -var buildStringFor = function buildStringFor(key, data) { +/** + * @private + * + * Builds the string for the cookie's metadata. + * + * @param {string} key: name of the metadata + * @param {object} data: metadata of the cookie + * @return {string} + */ +function buildMetadataFor(key, data) { if (!data[key]) return ''; return '; ' + key + '=' + data[key]; -}; +} /** * @private @@ -583,9 +607,9 @@ function cookieStorage() { if (options.domain && typeof options.domain === 'string') { metadata.domain = options.domain.trim(); } - var expires = buildStringFor('expires', metadata); - var domain = buildStringFor('domain', metadata); - var path = buildStringFor('path', metadata); + var expires = buildMetadataFor('expires', metadata); + var domain = buildMetadataFor('domain', metadata); + var path = buildMetadataFor('path', metadata); var cookie = key + '=' + encodeURIComponent(value) + expires + domain + path; $cookie.set(cookie); }, @@ -601,8 +625,8 @@ function cookieStorage() { if (value === null) delete $cookie.data[key]; return value; }, - removeItem: function removeItem(key) { - var metadata = Object.assign({}, $cookie.data[key]); + removeItem: function removeItem(key, options) { + var metadata = Object.assign({}, $cookie.data[key], options); metadata.expires = { days: -1 }; api.setItem(key, '', metadata); delete $cookie.data[key]; diff --git a/dist/proxy-storage.min.js b/dist/proxy-storage.min.js index 90de146..500bb7d 100644 --- a/dist/proxy-storage.min.js +++ b/dist/proxy-storage.min.js @@ -1,3 +1,3 @@ -/*! proxyStorage@v2.1.1. 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descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _proxyMechanism = __webpack_require__(5);\n\nvar _utils = __webpack_require__(0);\n\nvar _isAvailable = __webpack_require__(1);\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/**\n * @private\n *\n * Keeps WebStorage instances by type as singletons.\n *\n * @type {object}\n */\nvar _instances = {};\n\n/**\n * @private\n *\n * Stores the interceptors for WebStorage methods.\n *\n * @type {object}\n */\nvar _interceptors = {\n setItem: [],\n getItem: [],\n removeItem: [],\n clear: []\n};\n\n/**\n * @private\n *\n * Executes the interceptors for a WebStorage method and\n * allows the transformation in chain of the value passed through.\n *\n * @param {string} command: name of the method to intercept\n * @return {any}\n */\nfunction executeInterceptors(command) {\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var key = args.shift();\n var value = args.shift();\n if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object') {\n // clone the object to prevent mutations\n value = JSON.parse(JSON.stringify(value));\n }\n return _interceptors[command].reduce(function (val, action) {\n var transformed = action.apply(undefined, [key, val].concat(args));\n if (transformed == null) return val;\n return transformed;\n }, value);\n}\n\n/**\n * @private\n *\n * Try to parse a value\n *\n * @param {string} value: the value to parse\n * @return {any}\n */\nfunction tryParse(value) {\n var parsed = void 0;\n try {\n parsed = JSON.parse(value);\n } catch (e) {\n parsed = value;\n }\n return parsed;\n}\n\n/**\n * @private\n *\n * Copies all existing keys in the WebStorage instance.\n *\n * @param {WebStorage} instance: the instance to where copy the keys\n * @param {object} storage: the storage mechanism\n * @return {void}\n */\nfunction copyKeys(instance, storage) {\n Object.keys(storage).forEach(function (key) {\n instance[key] = tryParse(storage[key]);\n });\n}\n\n/**\n * @public\n *\n * Allows to validate if a storage mechanism is valid\n *\n * @type {object}\n */\nvar webStorageSettings = {\n default: null,\n isAvailable: _isAvailable.isAvailable\n};\n\n/**\n * @private\n *\n * Validates if the storage mechanism is available and can be used safely.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {string}\n */\nfunction storageAvailable(storageType) {\n if (webStorageSettings.isAvailable[storageType]) return storageType;\n console.warn(storageType + ' is not available. Falling back to ' + webStorageSettings.default); // eslint-disable-line\n return webStorageSettings.default;\n}\n\n/**\n * @public\n *\n * Implementation of the Web Storage interface.\n * It saves and retrieves values as JSON.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {class}\n */\n\nvar WebStorage = function () {\n\n /**\n * Creates an instance of WebStorage.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n *\n * @memberOf WebStorage\n */\n function WebStorage(storageType) {\n _classCallCheck(this, WebStorage);\n\n if (!Object.prototype.hasOwnProperty.call(_proxyMechanism.proxy, storageType)) {\n throw new Error('Storage type \"' + storageType + '\" is not valid');\n }\n // gets the requested storage mechanism\n var storage = _proxyMechanism.proxy[storageType];\n // if the storage is not available, sets the default\n storageType = storageAvailable(storageType);\n 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_utils.checkEmpty)(key);\n executeInterceptors('removeItem', key);\n delete this[key];\n _proxyMechanism.proxy[this.__storage__].removeItem(key);\n }\n\n /**\n * Removes all keys from the storage.\n *\n * @return {void}\n *\n * @memberOf WebStorage\n */\n\n }, {\n key: 'clear',\n value: function clear() {\n var _this = this;\n\n executeInterceptors('clear');\n Object.keys(this).forEach(function (key) {\n delete _this[key];\n }, this);\n _proxyMechanism.proxy[this.__storage__].clear();\n }\n\n /**\n * Gets the number of data items stored in the Storage object.\n *\n * @readonly\n *\n * @memberOf WebStorage\n */\n\n }, {\n key: 'length',\n get: function get() {\n return Object.keys(this).length;\n }\n\n /**\n * Adds an interceptor to a WebStorage method.\n *\n * @param {string} command: name of the API method to intercept\n * @param {function} action: callback executed when the API method is called\n * @return {void}\n *\n * @memberOf WebStorage\n */\n\n }], [{\n key: 'interceptors',\n value: function interceptors(command, action) {\n if (command in _interceptors && typeof action === 'function') {\n _interceptors[command].push(action);\n }\n }\n }]);\n\n return WebStorage;\n}();\n\n// @public API\n\n\nexports.default = WebStorage;\nexports.webStorageSettings = webStorageSettings;\nexports.proxy = _proxyMechanism.proxy;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = cookieStorage;\n\nvar _utils = __webpack_require__(0);\n\n/**\n * @private\n *\n * Proxy for the default cookie storage associated with the current document.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie\n *\n * @type {object}\n */\nvar $cookie = {\n get: function get() {\n return document.cookie;\n },\n set: function set(value) {\n document.cookie = value;\n },\n data: {} };\n\n/**\n * @private\n *\n * Builds the expiration part for the cookie.\n *\n * @see utils.alterDate(options)\n *\n * @param {Date|object} date: the expiration date\n * @return {string}\n */\n/* eslint-disable no-invalid-this */\nfunction buildExpirationString(date) {\n var expires = date instanceof Date ? (0, _utils.alterDate)({ date: date }) : (0, _utils.alterDate)(date);\n return expires.toUTCString();\n}\n\n// @private\nvar buildStringFor = function buildStringFor(key, data) {\n if (!data[key]) return '';\n return '; ' + key + '=' + data[key];\n};\n\n/**\n * @private\n *\n * Finds an element in the array.\n *\n * @param {string} cookie: key=value\n * @return {boolean}\n */\nfunction findCookie(cookie) {\n var nameEQ = this.toString();\n // prevent leading spaces before the key\n return cookie.trim().indexOf(nameEQ) === 0;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from document cookies\n * and implements the Web Storage interface.\n *\n * @return {object}\n */\nfunction cookieStorage() {\n var api = {\n setItem: function setItem(key, value, options) {\n options = Object.assign({ path: '/' }, options);\n // keep track of the metadata associated to the cookie\n $cookie.data[key] = { path: options.path };\n var metadata = $cookie.data[key];\n if ((0, _utils.isObject)(options.expires) || options.expires instanceof Date) {\n metadata.expires = buildExpirationString(options.expires);\n }\n if (options.domain && typeof options.domain === 'string') {\n metadata.domain = options.domain.trim();\n }\n var expires = buildStringFor('expires', metadata);\n var domain = buildStringFor('domain', metadata);\n var path = buildStringFor('path', metadata);\n var cookie = key + '=' + encodeURIComponent(value) + expires + domain + path;\n $cookie.set(cookie);\n },\n getItem: function getItem(key) {\n var value = null;\n var nameEQ = key + '=';\n var cookie = $cookie.get().split(';').find(findCookie, nameEQ);\n if (cookie) {\n // prevent leading spaces before the key name\n value = cookie.trim().substring(nameEQ.length, cookie.length);\n value = decodeURIComponent(value);\n }\n if (value === null) delete $cookie.data[key];\n return value;\n },\n removeItem: function removeItem(key) {\n var metadata = Object.assign({}, $cookie.data[key]);\n metadata.expires = { days: -1 };\n api.setItem(key, '', metadata);\n delete $cookie.data[key];\n },\n clear: function clear() {\n var key = void 0,\n indexEQ = void 0; // eslint-disable-line\n $cookie.get().split(';').forEach(function (cookie) {\n indexEQ = cookie.indexOf('=');\n if (indexEQ > -1) {\n key = cookie.substring(0, indexEQ);\n // prevent leading spaces before the key\n api.removeItem(key.trim());\n }\n });\n },\n\n\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize: function initialize() {\n $cookie.get().split(';').forEach(function (cookie) {\n var index = cookie.indexOf('=');\n var key = cookie.substring(0, index).trim();\n var value = cookie.substring(index + 1).trim();\n // copies all existing elements in the storage\n if (key) api[key] = decodeURIComponent(value);\n });\n }\n };\n return api;\n}\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.default = memoryStorage;\n/**\n * @private\n *\n * Gets the hashtable-store from the current window.\n *\n * @return {object}\n */\nfunction getStoreFromWindow() {\n // eslint-disable-line\n try {\n var store = JSON.parse(window.self.name);\n if (store && (typeof store === 'undefined' ? 'undefined' : _typeof(store)) === 'object') return store;\n } catch (e) {\n return {};\n }\n}\n\n/**\n * @private\n *\n * Saves the hashtable-store in the current window.\n *\n * @param {object} hashtable: {key,value} pairs stored in memoryStorage\n * @return {void}\n */\nfunction setStoreToWindow(hashtable) {\n var store = JSON.stringify(hashtable);\n window.self.name = store;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from memory store and\n * implements the Web Storage interface. It also adds a hack\n * to persist the store in session for the current browser-tab.\n *\n * @return {object}\n */\nfunction memoryStorage() {\n var hashtable = getStoreFromWindow();\n var api = {\n setItem: function setItem(key, value) {\n hashtable[key] = value;\n setStoreToWindow(hashtable);\n },\n getItem: function getItem(key) {\n var value = hashtable[key];\n return value === undefined ? null : value;\n },\n removeItem: function removeItem(key) {\n delete hashtable[key];\n setStoreToWindow(hashtable);\n },\n clear: function clear() {\n Object.keys(hashtable).forEach(function (key) {\n return delete hashtable[key];\n });\n setStoreToWindow(hashtable);\n },\n\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize: function initialize() {\n // copies all existing elements in the storage\n Object.assign(api, hashtable);\n }\n };\n return api;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.proxy = undefined;\n\nvar _cookieStorage = __webpack_require__(3);\n\nvar _cookieStorage2 = _interopRequireDefault(_cookieStorage);\n\nvar _memoryStorage = __webpack_require__(4);\n\nvar _memoryStorage2 = _interopRequireDefault(_memoryStorage);\n\nvar _utils = __webpack_require__(0);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * @private\n *\n * Adds the current elements in the storage object.\n *\n * @param {object} api: the storage mechanism to initialize\n * @return {object}\n */\nfunction initApi(api) {\n if (!api.initialize) return api;\n // sets read-only and non-enumerable properties\n for (var prop in api) {\n // eslint-disable-line\n if (prop !== 'initialize') {\n (0, _utils.setProperty)(api, prop);\n }\n }\n api.initialize();\n // this method is removed after being invoked\n // because is not part of the Web Storage interface\n delete api.initialize;\n return api;\n}\n\n/**\n * @public\n *\n * Proxy for storage mechanisms.\n * All members implement the Web Storage interface.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {object}\n */\nvar proxy = exports.proxy = {\n localStorage: window.localStorage,\n sessionStorage: window.sessionStorage,\n cookieStorage: initApi((0, _cookieStorage2.default)()),\n memoryStorage: initApi((0, _memoryStorage2.default)())\n};\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.isAvailable = exports.configStorage = exports.WebStorage = exports.default = undefined;\n\nvar _webStorage = __webpack_require__(2);\n\nvar _webStorage2 = _interopRequireDefault(_webStorage);\n\nvar _isAvailable = __webpack_require__(1);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n// If you want to support all ES6 features, uncomment the next line\n// import 'babel-polyfill';\n\n/**\n * @public\n *\n * Current storage mechanism.\n *\n * @type {object}\n */\n/**\n * This library uses an adapter that implements the Web Storage interface,\n * which is very useful to deal with the lack of compatibility between\n * document.cookie and localStorage and sessionStorage.\n *\n * It also provides a memoryStorage fallback that stores the data in memory\n * when all of above mechanisms are not available.\n *\n * Author: David Rivera\n * Github: https://github.com/jherax\n * License: \"MIT\"\n *\n * You can fork this project on github:\n * https://github.com/jherax/proxy-storage.git\n */\n\nvar storage = null;\n\n/**\n * @public\n *\n * Get/Set the storage mechanism to use by default.\n *\n * @type {object}\n */\nvar configStorage = {\n get: function get() {\n return storage.__storage__;\n },\n\n\n /**\n * Sets the storage mechanism to use by default.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {void}\n */\n set: function set(storageType) {\n if (!Object.prototype.hasOwnProperty.call(_webStorage.proxy, storageType)) {\n throw new Error('Storage type \"' + storageType + '\" is not valid');\n }\n exports.default = storage = new _webStorage2.default(storageType);\n }\n};\n\n/**\n * @private\n *\n * Checks whether a storage mechanism is available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction isStorageAvailable(storageType) {\n var storageObj = _webStorage.proxy[storageType];\n var data = '__proxy-storage__';\n try {\n storageObj.setItem(data, data);\n storageObj.removeItem(data);\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * @private\n *\n * Sets the first or default storage available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction storageAvailable(storageType) {\n if (_isAvailable.isAvailable[storageType]) {\n _webStorage.webStorageSettings.default = storageType;\n configStorage.set(storageType);\n }\n return _isAvailable.isAvailable[storageType];\n}\n\n/**\n * @private\n *\n * Initializes the module.\n *\n * @return {void}\n */\nfunction init() {\n _isAvailable.isAvailable.localStorage = isStorageAvailable('localStorage');\n _isAvailable.isAvailable.sessionStorage = isStorageAvailable('sessionStorage');\n _isAvailable.isAvailable.cookieStorage = isStorageAvailable('cookieStorage');\n _webStorage.webStorageSettings.isAvailable = _isAvailable.isAvailable;\n // sets the default storage mechanism available\n Object.keys(_isAvailable.isAvailable).some(storageAvailable);\n}\n\ninit();\n\n// @public API\nexports.default = storage;\nexports.WebStorage = _webStorage2.default;\nexports.configStorage = configStorage;\nexports.isAvailable = _isAvailable.isAvailable;\n\n/***/ })\n/******/ ]);\n});\n\n\n// WEBPACK FOOTER //\n// proxy-storage.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 6);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap bd9e754be3231a1fcd0a","/**\n * Determines whether a value is a plain object.\n *\n * @param {any} value: the object to test\n * @return {boolean}\n */\nexport function isObject(value) {\n return Object.prototype.toString.call(value) === '[object Object]';\n}\n\n/**\n * Adds or subtracts date portions to the given date and returns the new date.\n *\n * @see https://gist.github.com/jherax/bbc43e479a492cc9cbfc7ccc20c53cd2\n *\n * @param {object} options: It contains the date parts to add or remove, and can have the following properties:\n * - {Date} date: if provided, this date will be affected, otherwise the current date will be used.\n * - {number} minutes: minutes to add/subtract\n * - {number} hours: hours to add/subtract\n * - {number} days: days to add/subtract\n * - {number} months: months to add/subtract\n * - {number} years: years to add/subtract\n * @return {Date}\n */\nexport function alterDate(options = {}) {\n const opt = Object.assign({}, options);\n const d = opt.date instanceof Date ? opt.date : new Date();\n if (+opt.minutes) d.setMinutes(d.getMinutes() + opt.minutes);\n if (+opt.hours) d.setHours(d.getHours() + opt.hours);\n if (+opt.days) d.setDate(d.getDate() + opt.days);\n if (+opt.months) d.setMonth(d.getMonth() + opt.months);\n if (+opt.years) d.setFullYear(d.getFullYear() + opt.years);\n return d;\n}\n\n/**\n * Creates a non-enumerable read-only property.\n *\n * @param {object} obj: the object to add the property\n * @param {string} name: the name of the property\n * @param {any} value: the value of the property\n * @return {void}\n */\nexport function setProperty(obj, name, value) {\n const descriptor = {\n configurable: false,\n enumerable: false,\n writable: false,\n };\n if (typeof value !== 'undefined') {\n descriptor.value = value;\n }\n Object.defineProperty(obj, name, descriptor);\n}\n\n/**\n * Validates if the key is not empty.\n * (null, undefined either empty string)\n *\n * @param {string} key: keyname of an element in the storage mechanism\n * @return {void}\n */\nexport function checkEmpty(key) {\n if (key == null || key === '') {\n throw new Error('The key provided can not be empty');\n }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/utils.js","/**\n * @public\n *\n * Used to determine which storage mechanisms are available.\n *\n * @type {object}\n */\nexport const isAvailable = {\n localStorage: false,\n sessionStorage: false,\n cookieStorage: false,\n memoryStorage: true, // fallback storage\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/is-available.js","import {proxy} from './proxy-mechanism';\nimport {setProperty, checkEmpty} from './utils';\nimport {isAvailable} from './is-available';\n\n/**\n * @private\n *\n * Keeps WebStorage instances by type as singletons.\n *\n * @type {object}\n */\nconst _instances = {};\n\n/**\n * @private\n *\n * Stores the interceptors for WebStorage methods.\n *\n * @type {object}\n */\nconst _interceptors = {\n setItem: [],\n getItem: [],\n removeItem: [],\n clear: [],\n};\n\n/**\n * @private\n *\n * Executes the interceptors for a WebStorage method and\n * allows the transformation in chain of the value passed through.\n *\n * @param {string} command: name of the method to intercept\n * @return {any}\n */\nfunction executeInterceptors(command, ...args) {\n const key = args.shift();\n let value = args.shift();\n if (value && typeof value === 'object') {\n // clone the object to prevent mutations\n value = JSON.parse(JSON.stringify(value));\n }\n return _interceptors[command].reduce((val, action) => {\n const transformed = action(key, val, ...args);\n if (transformed == null) return val;\n return transformed;\n }, value);\n}\n\n/**\n * @private\n *\n * Try to parse a value\n *\n * @param {string} value: the value to parse\n * @return {any}\n */\nfunction tryParse(value) {\n let parsed;\n try {\n parsed = JSON.parse(value);\n } catch (e) {\n parsed = value;\n }\n return parsed;\n}\n\n/**\n * @private\n *\n * Copies all existing keys in the WebStorage instance.\n *\n * @param {WebStorage} instance: the instance to where copy the keys\n * @param {object} storage: the storage mechanism\n * @return {void}\n */\nfunction copyKeys(instance, storage) {\n Object.keys(storage).forEach((key) => {\n instance[key] = tryParse(storage[key]);\n });\n}\n\n/**\n * @public\n *\n * Allows to validate if a storage mechanism is valid\n *\n * @type {object}\n */\nconst webStorageSettings = {\n default: null,\n isAvailable,\n};\n\n/**\n * @private\n *\n * Validates if the storage mechanism is available and can be used safely.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {string}\n */\nfunction storageAvailable(storageType) {\n if (webStorageSettings.isAvailable[storageType]) return storageType;\n console.warn(`${storageType} is not available. Falling back to ${webStorageSettings.default}`); // eslint-disable-line\n return webStorageSettings.default;\n}\n\n/**\n * @public\n *\n * Implementation of the Web Storage interface.\n * It saves and retrieves values as JSON.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {class}\n */\nclass WebStorage {\n\n /**\n * Creates an instance of WebStorage.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n *\n * @memberOf WebStorage\n */\n constructor(storageType) {\n if (!Object.prototype.hasOwnProperty.call(proxy, storageType)) {\n throw new Error(`Storage type \"${storageType}\" is not valid`);\n }\n // gets the requested storage mechanism\n const storage = proxy[storageType];\n // if the storage is not available, sets the default\n storageType = storageAvailable(storageType);\n // keeps only one instance by storageType (singleton)\n const cachedInstance = _instances[storageType];\n if (cachedInstance) {\n copyKeys(cachedInstance, storage);\n return cachedInstance;\n }\n setProperty(this, '__storage__', storageType);\n // copies all existing keys in the storage mechanism\n copyKeys(this, storage);\n _instances[storageType] = this;\n }\n\n /**\n * Stores a value given a key name.\n *\n * @param {string} key: keyname of the storage\n * @param {any} value: data to save in the storage\n * @param {object} options: additional options for cookieStorage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n setItem(key, value, options) {\n checkEmpty(key);\n const v = executeInterceptors('setItem', key, value, options);\n if (v !== undefined) value = v;\n this[key] = value;\n // prevents converting strings to JSON to avoid extra quotes\n if (typeof value !== 'string') value = JSON.stringify(value);\n // TODO: should add setTimeout for options.expires?\n // TODO: prevent adding cookies when the domain or path are not valid?\n proxy[this.__storage__].setItem(key, value, options);\n }\n\n /**\n * Retrieves a value by its key name.\n *\n * @param {string} key: keyname of the storage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n getItem(key) {\n checkEmpty(key);\n let value = proxy[this.__storage__].getItem(key);\n if (value == null) {\n delete this[key];\n value = null;\n } else {\n value = tryParse(value);\n this[key] = value;\n }\n const v = executeInterceptors('getItem', key, value);\n if (v !== undefined) value = v;\n return value;\n }\n\n /**\n * Deletes a key from the storage.\n *\n * @param {string} key: keyname of the storage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n removeItem(key) {\n checkEmpty(key);\n executeInterceptors('removeItem', key);\n delete this[key];\n proxy[this.__storage__].removeItem(key);\n }\n\n /**\n * Removes all keys from the storage.\n *\n * @return {void}\n *\n * @memberOf WebStorage\n */\n clear() {\n executeInterceptors('clear');\n Object.keys(this).forEach((key) => {\n delete this[key];\n }, this);\n proxy[this.__storage__].clear();\n }\n\n /**\n * Gets the number of data items stored in the Storage object.\n *\n * @readonly\n *\n * @memberOf WebStorage\n */\n get length() {\n return Object.keys(this).length;\n }\n\n /**\n * Adds an interceptor to a WebStorage method.\n *\n * @param {string} command: name of the API method to intercept\n * @param {function} action: callback executed when the API method is called\n * @return {void}\n *\n * @memberOf WebStorage\n */\n static interceptors(command, action) {\n if (command in _interceptors && typeof action === 'function') {\n _interceptors[command].push(action);\n }\n }\n}\n\n// @public API\nexport {WebStorage as default, webStorageSettings, proxy};\n\n\n\n// WEBPACK FOOTER //\n// ./src/web-storage.js","/* eslint-disable no-invalid-this */\nimport {alterDate, isObject} from './utils';\n\n/**\n * @private\n *\n * Proxy for the default cookie storage associated with the current document.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie\n *\n * @type {object}\n */\nconst $cookie = {\n get: () => document.cookie,\n set: (value) => {\n document.cookie = value;\n },\n data: {}, // metadata associated to the cookies\n};\n\n/**\n * @private\n *\n * Builds the expiration part for the cookie.\n *\n * @see utils.alterDate(options)\n *\n * @param {Date|object} date: the expiration date\n * @return {string}\n */\nfunction buildExpirationString(date) {\n const expires = (date instanceof Date ?\n alterDate({date}) :\n alterDate(date)\n );\n return expires.toUTCString();\n}\n\n// @private\nconst buildStringFor = (key, data) => {\n if (!data[key]) return '';\n return `; ${key}=${data[key]}`;\n};\n\n/**\n * @private\n *\n * Finds an element in the array.\n *\n * @param {string} cookie: key=value\n * @return {boolean}\n */\nfunction findCookie(cookie) {\n const nameEQ = this.toString();\n // prevent leading spaces before the key\n return cookie.trim().indexOf(nameEQ) === 0;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from document cookies\n * and implements the Web Storage interface.\n *\n * @return {object}\n */\nexport default function cookieStorage() {\n const api = {\n setItem(key, value, options) {\n options = Object.assign({path: '/'}, options);\n // keep track of the metadata associated to the cookie\n $cookie.data[key] = {path: options.path};\n const metadata = $cookie.data[key];\n if (isObject(options.expires) || options.expires instanceof Date) {\n metadata.expires = buildExpirationString(options.expires);\n }\n if (options.domain && typeof options.domain === 'string') {\n metadata.domain = options.domain.trim();\n }\n const expires = buildStringFor('expires', metadata);\n const domain = buildStringFor('domain', metadata);\n const path = buildStringFor('path', metadata);\n const cookie = `${key}=${encodeURIComponent(value)}${expires}${domain}${path}`;\n $cookie.set(cookie);\n },\n\n getItem(key) {\n let value = null;\n const nameEQ = `${key}=`;\n const cookie = $cookie.get().split(';').find(findCookie, nameEQ);\n if (cookie) {\n // prevent leading spaces before the key name\n value = cookie.trim().substring(nameEQ.length, cookie.length);\n value = decodeURIComponent(value);\n }\n if (value === null) delete $cookie.data[key];\n return value;\n },\n\n removeItem(key) {\n const metadata = Object.assign({}, $cookie.data[key]);\n metadata.expires = {days: -1};\n api.setItem(key, '', metadata);\n delete $cookie.data[key];\n },\n\n clear() {\n let key, indexEQ; // eslint-disable-line\n $cookie.get().split(';').forEach((cookie) => {\n indexEQ = cookie.indexOf('=');\n if (indexEQ > -1) {\n key = cookie.substring(0, indexEQ);\n // prevent leading spaces before the key\n api.removeItem(key.trim());\n }\n });\n },\n\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize() {\n $cookie.get().split(';').forEach((cookie) => {\n const index = cookie.indexOf('=');\n const key = cookie.substring(0, index).trim();\n const value = cookie.substring(index + 1).trim();\n // copies all existing elements in the storage\n if (key) api[key] = decodeURIComponent(value);\n });\n },\n };\n return api;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/cookie-storage.js","/**\n * @private\n *\n * Gets the hashtable-store from the current window.\n *\n * @return {object}\n */\nfunction getStoreFromWindow() { // eslint-disable-line\n try {\n const store = JSON.parse(window.self.name);\n if (store && typeof store === 'object') return store;\n } catch (e) {\n return {};\n }\n}\n\n/**\n * @private\n *\n * Saves the hashtable-store in the current window.\n *\n * @param {object} hashtable: {key,value} pairs stored in memoryStorage\n * @return {void}\n */\nfunction setStoreToWindow(hashtable) {\n const store = JSON.stringify(hashtable);\n window.self.name = store;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from memory store and\n * implements the Web Storage interface. It also adds a hack\n * to persist the store in session for the current browser-tab.\n *\n * @return {object}\n */\nexport default function memoryStorage() {\n const hashtable = getStoreFromWindow();\n const api = {\n setItem(key, value) {\n hashtable[key] = value;\n setStoreToWindow(hashtable);\n },\n getItem(key) {\n const value = hashtable[key];\n return value === undefined ? null : value;\n },\n removeItem(key) {\n delete hashtable[key];\n setStoreToWindow(hashtable);\n },\n clear() {\n Object.keys(hashtable).forEach(key => delete hashtable[key]);\n setStoreToWindow(hashtable);\n },\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize() {\n // copies all existing elements in the storage\n Object.assign(api, hashtable);\n },\n };\n return api;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/memory-storage.js","import cookieStorage from './cookie-storage';\nimport memoryStorage from './memory-storage';\nimport {setProperty} from './utils';\n\n/**\n * @private\n *\n * Adds the current elements in the storage object.\n *\n * @param {object} api: the storage mechanism to initialize\n * @return {object}\n */\nfunction initApi(api) {\n if (!api.initialize) return api;\n // sets read-only and non-enumerable properties\n for (let prop in api) { // eslint-disable-line\n if (prop !== 'initialize') {\n setProperty(api, prop);\n }\n }\n api.initialize();\n // this method is removed after being invoked\n // because is not part of the Web Storage interface\n delete api.initialize;\n return api;\n}\n\n/**\n * @public\n *\n * Proxy for storage mechanisms.\n * All members implement the Web Storage interface.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {object}\n */\nexport const proxy = {\n localStorage: window.localStorage,\n sessionStorage: window.sessionStorage,\n cookieStorage: initApi(cookieStorage()),\n memoryStorage: initApi(memoryStorage()),\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/proxy-mechanism.js","/**\n * This library uses an adapter that implements the Web Storage interface,\n * which is very useful to deal with the lack of compatibility between\n * document.cookie and localStorage and sessionStorage.\n *\n * It also provides a memoryStorage fallback that stores the data in memory\n * when all of above mechanisms are not available.\n *\n * Author: David Rivera\n * Github: https://github.com/jherax\n * License: \"MIT\"\n *\n * You can fork this project on github:\n * https://github.com/jherax/proxy-storage.git\n */\n\nimport WebStorage, {proxy, webStorageSettings} from './web-storage';\nimport {isAvailable} from './is-available';\n\n// If you want to support all ES6 features, uncomment the next line\n// import 'babel-polyfill';\n\n/**\n * @public\n *\n * Current storage mechanism.\n *\n * @type {object}\n */\nlet storage = null;\n\n/**\n * @public\n *\n * Get/Set the storage mechanism to use by default.\n *\n * @type {object}\n */\nconst configStorage = {\n get() {\n return storage.__storage__;\n },\n\n /**\n * Sets the storage mechanism to use by default.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {void}\n */\n set(storageType) {\n if (!Object.prototype.hasOwnProperty.call(proxy, storageType)) {\n throw new Error(`Storage type \"${storageType}\" is not valid`);\n }\n storage = new WebStorage(storageType);\n },\n};\n\n/**\n * @private\n *\n * Checks whether a storage mechanism is available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction isStorageAvailable(storageType) {\n const storageObj = proxy[storageType];\n const data = '__proxy-storage__';\n try {\n storageObj.setItem(data, data);\n storageObj.removeItem(data);\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * @private\n *\n * Sets the first 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descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _proxyMechanism = __webpack_require__(5);\n\nvar _utils = __webpack_require__(0);\n\nvar _isAvailable = __webpack_require__(1);\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/**\n * @private\n *\n * Keeps WebStorage instances by type as singletons.\n *\n * @type {object}\n */\nvar _instances = {};\n\n/**\n * @private\n *\n * Stores the interceptors for WebStorage methods.\n *\n * @type {object}\n */\nvar _interceptors = {\n setItem: [],\n getItem: [],\n removeItem: [],\n clear: []\n};\n\n/**\n * @private\n *\n * Keys not allowed for cookies.\n *\n * @type {RegExp}\n */\nvar bannedKeys = /^(?:expires|max-age|path|domain|secure)$/i;\n\n/**\n * @private\n *\n * Executes the interceptors for a WebStorage method and\n * allows the transformation in chain of the value passed through.\n *\n * @param {string} command: name of the method to intercept\n * @return {any}\n */\nfunction executeInterceptors(command) {\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var key = args.shift();\n var value = args.shift();\n if (value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object') {\n // clone the object to prevent mutations\n value = JSON.parse(JSON.stringify(value));\n }\n return _interceptors[command].reduce(function (val, action) {\n var transformed = action.apply(undefined, [key, val].concat(args));\n if (transformed == null) return val;\n return transformed;\n }, value);\n}\n\n/**\n * @private\n *\n * Try to parse a value\n *\n * @param {string} value: the value to parse\n * @return {any}\n */\nfunction tryParse(value) {\n var parsed = void 0;\n try {\n parsed = JSON.parse(value);\n } catch (e) {\n parsed = value;\n }\n return parsed;\n}\n\n/**\n * @private\n *\n * Copies all existing keys in the WebStorage instance.\n *\n * @param {WebStorage} instance: the instance to where copy the keys\n * @param {object} storage: the storage mechanism\n * @return {void}\n */\nfunction copyKeys(instance, storage) {\n Object.keys(storage).forEach(function (key) {\n instance[key] = tryParse(storage[key]);\n });\n}\n\n/**\n * @public\n *\n * Allows to validate if a storage mechanism is valid\n *\n * @type {object}\n */\nvar webStorageSettings = {\n default: null,\n isAvailable: _isAvailable.isAvailable\n};\n\n/**\n * @private\n *\n * Validates if the storage mechanism is available and can be used safely.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {string}\n */\nfunction storageAvailable(storageType) {\n if (webStorageSettings.isAvailable[storageType]) return storageType;\n console.warn(storageType + ' is not available. Falling back to ' + webStorageSettings.default); // eslint-disable-line\n return webStorageSettings.default;\n}\n\n/**\n * @public\n *\n * Implementation of the Web Storage interface.\n * It saves and retrieves values as JSON.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {class}\n */\n\nvar WebStorage = function () {\n\n /**\n * Creates an instance of WebStorage.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n *\n * @memberOf WebStorage\n */\n function WebStorage(storageType) {\n _classCallCheck(this, WebStorage);\n\n if (!Object.prototype.hasOwnProperty.call(_proxyMechanism.proxy, storageType)) {\n throw new Error('Storage type \"' + storageType + '\" is not valid');\n }\n // gets the requested storage mechanism\n var storage = _proxyMechanism.proxy[storageType];\n // if the storage is not available, sets the default\n storageType = storageAvailable(storageType);\n 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v;\n return value;\n }\n\n /**\n * Deletes a key from the storage.\n *\n * @param {string} key: keyname of the storage\n * @param {object} options: additional options for cookieStorage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n\n }, {\n key: 'removeItem',\n value: function removeItem(key, options) {\n (0, _utils.checkEmpty)(key);\n executeInterceptors('removeItem', key, options);\n delete this[key];\n _proxyMechanism.proxy[this.__storage__].removeItem(key, options);\n }\n\n /**\n * Removes all keys from the storage.\n *\n * @return {void}\n *\n * @memberOf WebStorage\n */\n\n }, {\n key: 'clear',\n value: function clear() {\n var _this = this;\n\n executeInterceptors('clear');\n Object.keys(this).forEach(function (key) {\n delete _this[key];\n }, this);\n _proxyMechanism.proxy[this.__storage__].clear();\n }\n\n /**\n * Gets the number of data items stored in the Storage object.\n *\n * @readonly\n *\n * @memberOf WebStorage\n */\n\n }, {\n key: 'length',\n get: function get() {\n return Object.keys(this).length;\n }\n\n /**\n * Adds an interceptor to a WebStorage method.\n *\n * @param {string} command: name of the API method to intercept\n * @param {function} action: callback executed when the API method is called\n * @return {void}\n *\n * @memberOf WebStorage\n */\n\n }], [{\n key: 'interceptors',\n value: function interceptors(command, action) {\n if (command in _interceptors && typeof action === 'function') {\n _interceptors[command].push(action);\n }\n }\n }]);\n\n return WebStorage;\n}();\n\n// @public API\n\n\nexports.default = WebStorage;\nexports.webStorageSettings = webStorageSettings;\nexports.proxy = _proxyMechanism.proxy;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = cookieStorage;\n\nvar _utils = __webpack_require__(0);\n\n/**\n * @private\n *\n * Proxy for the default cookie storage associated with the current document.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie\n *\n * @type {object}\n */\nvar $cookie = {\n get: function get() {\n return document.cookie;\n },\n set: function set(value) {\n document.cookie = value;\n },\n data: {} };\n\n/**\n * @private\n *\n * Builds the expiration part for the cookie.\n *\n * @see utils.alterDate(options)\n *\n * @param {Date|object} date: the expiration date\n * @return {string}\n */\n/* eslint-disable no-invalid-this */\nfunction buildExpirationString(date) {\n var expires = date instanceof Date ? (0, _utils.alterDate)({ date: date }) : (0, _utils.alterDate)(date);\n return expires.toUTCString();\n}\n\n/**\n * @private\n *\n * Builds the string for the cookie's metadata.\n *\n * @param {string} key: name of the metadata\n * @param {object} data: metadata of the cookie\n * @return {string}\n */\nfunction buildMetadataFor(key, data) {\n if (!data[key]) return '';\n return '; ' + key + '=' + data[key];\n}\n\n/**\n * @private\n *\n * Finds an element in the array.\n *\n * @param {string} cookie: key=value\n * @return {boolean}\n */\nfunction findCookie(cookie) {\n var nameEQ = this.toString();\n // prevent leading spaces before the key\n return cookie.trim().indexOf(nameEQ) === 0;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from document cookies\n * and implements the Web Storage interface.\n *\n * @return {object}\n */\nfunction cookieStorage() {\n var api = {\n setItem: function setItem(key, value, options) {\n options = Object.assign({ path: '/' }, options);\n // keep track of the metadata associated to the cookie\n $cookie.data[key] = { path: options.path };\n var metadata = $cookie.data[key];\n if ((0, _utils.isObject)(options.expires) || options.expires instanceof Date) {\n metadata.expires = buildExpirationString(options.expires);\n }\n if (options.domain && typeof options.domain === 'string') {\n metadata.domain = options.domain.trim();\n }\n var expires = buildMetadataFor('expires', metadata);\n var domain = buildMetadataFor('domain', metadata);\n var path = buildMetadataFor('path', metadata);\n var cookie = key + '=' + encodeURIComponent(value) + expires + domain + path;\n $cookie.set(cookie);\n },\n getItem: function getItem(key) {\n var value = null;\n var nameEQ = key + '=';\n var cookie = $cookie.get().split(';').find(findCookie, nameEQ);\n if (cookie) {\n // prevent leading spaces before the key name\n value = cookie.trim().substring(nameEQ.length, cookie.length);\n value = decodeURIComponent(value);\n }\n if (value === null) delete $cookie.data[key];\n return value;\n },\n removeItem: function removeItem(key, options) {\n var metadata = Object.assign({}, $cookie.data[key], options);\n metadata.expires = { days: -1 };\n api.setItem(key, '', metadata);\n delete $cookie.data[key];\n },\n clear: function clear() {\n var key = void 0,\n indexEQ = void 0; // eslint-disable-line\n $cookie.get().split(';').forEach(function (cookie) {\n indexEQ = cookie.indexOf('=');\n if (indexEQ > -1) {\n key = cookie.substring(0, indexEQ);\n // prevent leading spaces before the key\n api.removeItem(key.trim());\n }\n });\n },\n\n\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize: function initialize() {\n $cookie.get().split(';').forEach(function (cookie) {\n var index = cookie.indexOf('=');\n var key = cookie.substring(0, index).trim();\n var value = cookie.substring(index + 1).trim();\n // copies all existing elements in the storage\n if (key) api[key] = decodeURIComponent(value);\n });\n }\n };\n return api;\n}\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.default = memoryStorage;\n/**\n * @private\n *\n * Gets the hashtable-store from the current window.\n *\n * @return {object}\n */\nfunction getStoreFromWindow() {\n // eslint-disable-line\n try {\n var store = JSON.parse(window.self.name);\n if (store && (typeof store === 'undefined' ? 'undefined' : _typeof(store)) === 'object') return store;\n } catch (e) {\n return {};\n }\n}\n\n/**\n * @private\n *\n * Saves the hashtable-store in the current window.\n *\n * @param {object} hashtable: {key,value} pairs stored in memoryStorage\n * @return {void}\n */\nfunction setStoreToWindow(hashtable) {\n var store = JSON.stringify(hashtable);\n window.self.name = store;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from memory store and\n * implements the Web Storage interface. It also adds a hack\n * to persist the store in session for the current browser-tab.\n *\n * @return {object}\n */\nfunction memoryStorage() {\n var hashtable = getStoreFromWindow();\n var api = {\n setItem: function setItem(key, value) {\n hashtable[key] = value;\n setStoreToWindow(hashtable);\n },\n getItem: function getItem(key) {\n var value = hashtable[key];\n return value === undefined ? null : value;\n },\n removeItem: function removeItem(key) {\n delete hashtable[key];\n setStoreToWindow(hashtable);\n },\n clear: function clear() {\n Object.keys(hashtable).forEach(function (key) {\n return delete hashtable[key];\n });\n setStoreToWindow(hashtable);\n },\n\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize: function initialize() {\n // copies all existing elements in the storage\n Object.assign(api, hashtable);\n }\n };\n return api;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.proxy = undefined;\n\nvar _cookieStorage = __webpack_require__(3);\n\nvar _cookieStorage2 = _interopRequireDefault(_cookieStorage);\n\nvar _memoryStorage = __webpack_require__(4);\n\nvar _memoryStorage2 = _interopRequireDefault(_memoryStorage);\n\nvar _utils = __webpack_require__(0);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n/**\n * @private\n *\n * Adds the current elements in the storage object.\n *\n * @param {object} api: the storage mechanism to initialize\n * @return {object}\n */\nfunction initApi(api) {\n if (!api.initialize) return api;\n // sets read-only and non-enumerable properties\n for (var prop in api) {\n // eslint-disable-line\n if (prop !== 'initialize') {\n (0, _utils.setProperty)(api, prop);\n }\n }\n api.initialize();\n // this method is removed after being invoked\n // because is not part of the Web Storage interface\n delete api.initialize;\n return api;\n}\n\n/**\n * @public\n *\n * Proxy for storage mechanisms.\n * All members implement the Web Storage interface.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {object}\n */\nvar proxy = exports.proxy = {\n localStorage: window.localStorage,\n sessionStorage: window.sessionStorage,\n cookieStorage: initApi((0, _cookieStorage2.default)()),\n memoryStorage: initApi((0, _memoryStorage2.default)())\n};\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.isAvailable = exports.configStorage = exports.WebStorage = exports.default = undefined;\n\nvar _webStorage = __webpack_require__(2);\n\nvar _webStorage2 = _interopRequireDefault(_webStorage);\n\nvar _isAvailable = __webpack_require__(1);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n// If you want to support all ES6 features, uncomment the next line\n// import 'babel-polyfill';\n\n/**\n * @public\n *\n * Current storage mechanism.\n *\n * @type {object}\n */\n/**\n * This library uses an adapter that implements the Web Storage interface,\n * which is very useful to deal with the lack of compatibility between\n * document.cookie and localStorage and sessionStorage.\n *\n * It also provides a memoryStorage fallback that stores the data in memory\n * when all of above mechanisms are not available.\n *\n * Author: David Rivera\n * Github: https://github.com/jherax\n * License: \"MIT\"\n *\n * You can fork this project on github:\n * https://github.com/jherax/proxy-storage.git\n */\n\nvar storage = null;\n\n/**\n * @public\n *\n * Get/Set the storage mechanism to use by default.\n *\n * @type {object}\n */\nvar configStorage = {\n get: function get() {\n return storage.__storage__;\n },\n\n\n /**\n * Sets the storage mechanism to use by default.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {void}\n */\n set: function set(storageType) {\n if (!Object.prototype.hasOwnProperty.call(_webStorage.proxy, storageType)) {\n throw new Error('Storage type \"' + storageType + '\" is not valid');\n }\n exports.default = storage = new _webStorage2.default(storageType);\n }\n};\n\n/**\n * @private\n *\n * Checks whether a storage mechanism is available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction isStorageAvailable(storageType) {\n var storageObj = _webStorage.proxy[storageType];\n var data = '__proxy-storage__';\n try {\n storageObj.setItem(data, data);\n storageObj.removeItem(data);\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * @private\n *\n * Sets the first or default storage available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction storageAvailable(storageType) {\n if (_isAvailable.isAvailable[storageType]) {\n _webStorage.webStorageSettings.default = storageType;\n configStorage.set(storageType);\n }\n return _isAvailable.isAvailable[storageType];\n}\n\n/**\n * @private\n *\n * Initializes the module.\n *\n * @return {void}\n */\nfunction init() {\n _isAvailable.isAvailable.localStorage = isStorageAvailable('localStorage');\n _isAvailable.isAvailable.sessionStorage = isStorageAvailable('sessionStorage');\n _isAvailable.isAvailable.cookieStorage = isStorageAvailable('cookieStorage');\n _webStorage.webStorageSettings.isAvailable = _isAvailable.isAvailable;\n // sets the default storage mechanism available\n Object.keys(_isAvailable.isAvailable).some(storageAvailable);\n}\n\ninit();\n\n// @public API\nexports.default = storage;\nexports.WebStorage = _webStorage2.default;\nexports.configStorage = configStorage;\nexports.isAvailable = _isAvailable.isAvailable;\n\n/***/ })\n/******/ ]);\n});\n\n\n// WEBPACK FOOTER //\n// proxy-storage.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 6);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 4018682c947388ec0c6a","/**\n * Determines whether a value is a plain object.\n *\n * @param {any} value: the object to test\n * @return {boolean}\n */\nexport function isObject(value) {\n return Object.prototype.toString.call(value) === '[object Object]';\n}\n\n/**\n * Adds or subtracts date portions to the given date and returns the new date.\n *\n * @see https://gist.github.com/jherax/bbc43e479a492cc9cbfc7ccc20c53cd2\n *\n * @param {object} options: It contains the date parts to add or remove, and can have the following properties:\n * - {Date} date: if provided, this date will be affected, otherwise the current date will be used.\n * - {number} minutes: minutes to add/subtract\n * - {number} hours: hours to add/subtract\n * - {number} days: days to add/subtract\n * - {number} months: months to add/subtract\n * - {number} years: years to add/subtract\n * @return {Date}\n */\nexport function alterDate(options = {}) {\n const opt = Object.assign({}, options);\n const d = opt.date instanceof Date ? opt.date : new Date();\n if (+opt.minutes) d.setMinutes(d.getMinutes() + opt.minutes);\n if (+opt.hours) d.setHours(d.getHours() + opt.hours);\n if (+opt.days) d.setDate(d.getDate() + opt.days);\n if (+opt.months) d.setMonth(d.getMonth() + opt.months);\n if (+opt.years) d.setFullYear(d.getFullYear() + opt.years);\n return d;\n}\n\n/**\n * Creates a non-enumerable read-only property.\n *\n * @param {object} obj: the object to add the property\n * @param {string} name: the name of the property\n * @param {any} value: the value of the property\n * @return {void}\n */\nexport function setProperty(obj, name, value) {\n const descriptor = {\n configurable: false,\n enumerable: false,\n writable: false,\n };\n if (typeof value !== 'undefined') {\n descriptor.value = value;\n }\n Object.defineProperty(obj, name, descriptor);\n}\n\n/**\n * Validates if the key is not empty.\n * (null, undefined or empty string)\n *\n * @param {string} key: keyname of an element in the storage mechanism\n * @return {void}\n */\nexport function checkEmpty(key) {\n if (key == null || key === '') {\n throw new Error('The key provided can not be empty');\n }\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/utils.js","/**\n * @public\n *\n * Used to determine which storage mechanisms are available.\n *\n * @type {object}\n */\nexport const isAvailable = {\n localStorage: false,\n sessionStorage: false,\n cookieStorage: false,\n memoryStorage: true, // fallback storage\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/is-available.js","import {proxy} from './proxy-mechanism';\nimport {setProperty, checkEmpty} from './utils';\nimport {isAvailable} from './is-available';\n\n/**\n * @private\n *\n * Keeps WebStorage instances by type as singletons.\n *\n * @type {object}\n */\nconst _instances = {};\n\n/**\n * @private\n *\n * Stores the interceptors for WebStorage methods.\n *\n * @type {object}\n */\nconst _interceptors = {\n setItem: [],\n getItem: [],\n removeItem: [],\n clear: [],\n};\n\n/**\n * @private\n *\n * Keys not allowed for cookies.\n *\n * @type {RegExp}\n */\nconst bannedKeys = /^(?:expires|max-age|path|domain|secure)$/i;\n\n/**\n * @private\n *\n * Executes the interceptors for a WebStorage method and\n * allows the transformation in chain of the value passed through.\n *\n * @param {string} command: name of the method to intercept\n * @return {any}\n */\nfunction executeInterceptors(command, ...args) {\n const key = args.shift();\n let value = args.shift();\n if (value && typeof value === 'object') {\n // clone the object to prevent mutations\n value = JSON.parse(JSON.stringify(value));\n }\n return _interceptors[command].reduce((val, action) => {\n const transformed = action(key, val, ...args);\n if (transformed == null) return val;\n return transformed;\n }, value);\n}\n\n/**\n * @private\n *\n * Try to parse a value\n *\n * @param {string} value: the value to parse\n * @return {any}\n */\nfunction tryParse(value) {\n let parsed;\n try {\n parsed = JSON.parse(value);\n } catch (e) {\n parsed = value;\n }\n return parsed;\n}\n\n/**\n * @private\n *\n * Copies all existing keys in the WebStorage instance.\n *\n * @param {WebStorage} instance: the instance to where copy the keys\n * @param {object} storage: the storage mechanism\n * @return {void}\n */\nfunction copyKeys(instance, storage) {\n Object.keys(storage).forEach((key) => {\n instance[key] = tryParse(storage[key]);\n });\n}\n\n/**\n * @public\n *\n * Allows to validate if a storage mechanism is valid\n *\n * @type {object}\n */\nconst webStorageSettings = {\n default: null,\n isAvailable,\n};\n\n/**\n * @private\n *\n * Validates if the storage mechanism is available and can be used safely.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {string}\n */\nfunction storageAvailable(storageType) {\n if (webStorageSettings.isAvailable[storageType]) return storageType;\n console.warn(`${storageType} is not available. Falling back to ${webStorageSettings.default}`); // eslint-disable-line\n return webStorageSettings.default;\n}\n\n/**\n * @public\n *\n * Implementation of the Web Storage interface.\n * It saves and retrieves values as JSON.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {class}\n */\nclass WebStorage {\n\n /**\n * Creates an instance of WebStorage.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n *\n * @memberOf WebStorage\n */\n constructor(storageType) {\n if (!Object.prototype.hasOwnProperty.call(proxy, storageType)) {\n throw new Error(`Storage type \"${storageType}\" is not valid`);\n }\n // gets the requested storage mechanism\n const storage = proxy[storageType];\n // if the storage is not available, sets the default\n storageType = storageAvailable(storageType);\n // keeps only one instance by storageType (singleton)\n const cachedInstance = _instances[storageType];\n if (cachedInstance) {\n copyKeys(cachedInstance, storage);\n return cachedInstance;\n }\n setProperty(this, '__storage__', storageType);\n // copies all existing keys in the storage mechanism\n copyKeys(this, storage);\n _instances[storageType] = this;\n }\n\n /**\n * Stores a value given a key name.\n *\n * @param {string} key: keyname of the storage\n * @param {any} value: data to save in the storage\n * @param {object} options: additional options for cookieStorage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n setItem(key, value, options) {\n checkEmpty(key);\n const storageType = this.__storage__;\n if (storageType === 'cookieStorage' && bannedKeys.test(key)) {\n throw new Error('The key is a reserved word, therefore not allowed');\n }\n const v = executeInterceptors('setItem', key, value, options);\n if (v !== undefined) value = v;\n this[key] = value;\n // prevents converting strings to JSON to avoid extra quotes\n if (typeof value !== 'string') value = JSON.stringify(value);\n proxy[storageType].setItem(key, value, options);\n // checks if the cookie was created, or delete it if the domain or path are not valid\n if (storageType === 'cookieStorage' && proxy[storageType].getItem(key) === null) {\n delete this[key];\n }\n }\n\n /**\n * Retrieves a value by its key name.\n *\n * @param {string} key: keyname of the storage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n getItem(key) {\n checkEmpty(key);\n let value = proxy[this.__storage__].getItem(key);\n if (value == null) {\n delete this[key];\n value = null;\n } else {\n value = tryParse(value);\n this[key] = value;\n }\n const v = executeInterceptors('getItem', key, value);\n if (v !== undefined) value = v;\n return value;\n }\n\n /**\n * Deletes a key from the storage.\n *\n * @param {string} key: keyname of the storage\n * @param {object} options: additional options for cookieStorage\n * @return {void}\n *\n * @memberOf WebStorage\n */\n removeItem(key, options) {\n checkEmpty(key);\n executeInterceptors('removeItem', key, options);\n delete this[key];\n proxy[this.__storage__].removeItem(key, options);\n }\n\n /**\n * Removes all keys from the storage.\n *\n * @return {void}\n *\n * @memberOf WebStorage\n */\n clear() {\n executeInterceptors('clear');\n Object.keys(this).forEach((key) => {\n delete this[key];\n }, this);\n proxy[this.__storage__].clear();\n }\n\n /**\n * Gets the number of data items stored in the Storage object.\n *\n * @readonly\n *\n * @memberOf WebStorage\n */\n get length() {\n return Object.keys(this).length;\n }\n\n /**\n * Adds an interceptor to a WebStorage method.\n *\n * @param {string} command: name of the API method to intercept\n * @param {function} action: callback executed when the API method is called\n * @return {void}\n *\n * @memberOf WebStorage\n */\n static interceptors(command, action) {\n if (command in _interceptors && typeof action === 'function') {\n _interceptors[command].push(action);\n }\n }\n}\n\n// @public API\nexport {WebStorage as default, webStorageSettings, proxy};\n\n\n\n// WEBPACK FOOTER //\n// ./src/web-storage.js","/* eslint-disable no-invalid-this */\nimport {alterDate, isObject} from './utils';\n\n/**\n * @private\n *\n * Proxy for the default cookie storage associated with the current document.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie\n *\n * @type {object}\n */\nconst $cookie = {\n get: () => document.cookie,\n set: (value) => {\n document.cookie = value;\n },\n data: {}, // metadata associated to the cookies\n};\n\n/**\n * @private\n *\n * Builds the expiration part for the cookie.\n *\n * @see utils.alterDate(options)\n *\n * @param {Date|object} date: the expiration date\n * @return {string}\n */\nfunction buildExpirationString(date) {\n const expires = (date instanceof Date ?\n alterDate({date}) :\n alterDate(date)\n );\n return expires.toUTCString();\n}\n\n/**\n * @private\n *\n * Builds the string for the cookie's metadata.\n *\n * @param {string} key: name of the metadata\n * @param {object} data: metadata of the cookie\n * @return {string}\n */\nfunction buildMetadataFor(key, data) {\n if (!data[key]) return '';\n return `; ${key}=${data[key]}`;\n}\n\n/**\n * @private\n *\n * Finds an element in the array.\n *\n * @param {string} cookie: key=value\n * @return {boolean}\n */\nfunction findCookie(cookie) {\n const nameEQ = this.toString();\n // prevent leading spaces before the key\n return cookie.trim().indexOf(nameEQ) === 0;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from document cookies\n * and implements the Web Storage interface.\n *\n * @return {object}\n */\nexport default function cookieStorage() {\n const api = {\n setItem(key, value, options) {\n options = Object.assign({path: '/'}, options);\n // keep track of the metadata associated to the cookie\n $cookie.data[key] = {path: options.path};\n const metadata = $cookie.data[key];\n if (isObject(options.expires) || options.expires instanceof Date) {\n metadata.expires = buildExpirationString(options.expires);\n }\n if (options.domain && typeof options.domain === 'string') {\n metadata.domain = options.domain.trim();\n }\n const expires = buildMetadataFor('expires', metadata);\n const domain = buildMetadataFor('domain', metadata);\n const path = buildMetadataFor('path', metadata);\n const cookie = `${key}=${encodeURIComponent(value)}${expires}${domain}${path}`;\n $cookie.set(cookie);\n },\n\n getItem(key) {\n let value = null;\n const nameEQ = `${key}=`;\n const cookie = $cookie.get().split(';').find(findCookie, nameEQ);\n if (cookie) {\n // prevent leading spaces before the key name\n value = cookie.trim().substring(nameEQ.length, cookie.length);\n value = decodeURIComponent(value);\n }\n if (value === null) delete $cookie.data[key];\n return value;\n },\n\n removeItem(key, options) {\n const metadata = Object.assign({}, $cookie.data[key], options);\n metadata.expires = {days: -1};\n api.setItem(key, '', metadata);\n delete $cookie.data[key];\n },\n\n clear() {\n let key, indexEQ; // eslint-disable-line\n $cookie.get().split(';').forEach((cookie) => {\n indexEQ = cookie.indexOf('=');\n if (indexEQ > -1) {\n key = cookie.substring(0, indexEQ);\n // prevent leading spaces before the key\n api.removeItem(key.trim());\n }\n });\n },\n\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize() {\n $cookie.get().split(';').forEach((cookie) => {\n const index = cookie.indexOf('=');\n const key = cookie.substring(0, index).trim();\n const value = cookie.substring(index + 1).trim();\n // copies all existing elements in the storage\n if (key) api[key] = decodeURIComponent(value);\n });\n },\n };\n return api;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/cookie-storage.js","/**\n * @private\n *\n * Gets the hashtable-store from the current window.\n *\n * @return {object}\n */\nfunction getStoreFromWindow() { // eslint-disable-line\n try {\n const store = JSON.parse(window.self.name);\n if (store && typeof store === 'object') return store;\n } catch (e) {\n return {};\n }\n}\n\n/**\n * @private\n *\n * Saves the hashtable-store in the current window.\n *\n * @param {object} hashtable: {key,value} pairs stored in memoryStorage\n * @return {void}\n */\nfunction setStoreToWindow(hashtable) {\n const store = JSON.stringify(hashtable);\n window.self.name = store;\n}\n\n/**\n * @public\n *\n * Create, read, and delete elements from memory store and\n * implements the Web Storage interface. It also adds a hack\n * to persist the store in session for the current browser-tab.\n *\n * @return {object}\n */\nexport default function memoryStorage() {\n const hashtable = getStoreFromWindow();\n const api = {\n setItem(key, value) {\n hashtable[key] = value;\n setStoreToWindow(hashtable);\n },\n getItem(key) {\n const value = hashtable[key];\n return value === undefined ? null : value;\n },\n removeItem(key) {\n delete hashtable[key];\n setStoreToWindow(hashtable);\n },\n clear() {\n Object.keys(hashtable).forEach(key => delete hashtable[key]);\n setStoreToWindow(hashtable);\n },\n // this method will be removed after being invoked\n // because is not part of the Web Storage interface\n initialize() {\n // copies all existing elements in the storage\n Object.assign(api, hashtable);\n },\n };\n return api;\n}\n\n\n\n// WEBPACK FOOTER //\n// ./src/memory-storage.js","import cookieStorage from './cookie-storage';\nimport memoryStorage from './memory-storage';\nimport {setProperty} from './utils';\n\n/**\n * @private\n *\n * Adds the current elements in the storage object.\n *\n * @param {object} api: the storage mechanism to initialize\n * @return {object}\n */\nfunction initApi(api) {\n if (!api.initialize) return api;\n // sets read-only and non-enumerable properties\n for (let prop in api) { // eslint-disable-line\n if (prop !== 'initialize') {\n setProperty(api, prop);\n }\n }\n api.initialize();\n // this method is removed after being invoked\n // because is not part of the Web Storage interface\n delete api.initialize;\n return api;\n}\n\n/**\n * @public\n *\n * Proxy for storage mechanisms.\n * All members implement the Web Storage interface.\n *\n * @see\n * https://developer.mozilla.org/en-US/docs/Web/API/Storage\n *\n * @type {object}\n */\nexport const proxy = {\n localStorage: window.localStorage,\n sessionStorage: window.sessionStorage,\n cookieStorage: initApi(cookieStorage()),\n memoryStorage: initApi(memoryStorage()),\n};\n\n\n\n// WEBPACK FOOTER //\n// ./src/proxy-mechanism.js","/**\n * This library uses an adapter that implements the Web Storage interface,\n * which is very useful to deal with the lack of compatibility between\n * document.cookie and localStorage and sessionStorage.\n *\n * It also provides a memoryStorage fallback that stores the data in memory\n * when all of above mechanisms are not available.\n *\n * Author: David Rivera\n * Github: https://github.com/jherax\n * License: \"MIT\"\n *\n * You can fork this project on github:\n * https://github.com/jherax/proxy-storage.git\n */\n\nimport WebStorage, {proxy, webStorageSettings} from './web-storage';\nimport {isAvailable} from './is-available';\n\n// If you want to support all ES6 features, uncomment the next line\n// import 'babel-polyfill';\n\n/**\n * @public\n *\n * Current storage mechanism.\n *\n * @type {object}\n */\nlet storage = null;\n\n/**\n * @public\n *\n * Get/Set the storage mechanism to use by default.\n *\n * @type {object}\n */\nconst configStorage = {\n get() {\n return storage.__storage__;\n },\n\n /**\n * Sets the storage mechanism to use by default.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {void}\n */\n set(storageType) {\n if (!Object.prototype.hasOwnProperty.call(proxy, storageType)) {\n throw new Error(`Storage type \"${storageType}\" is not valid`);\n }\n storage = new WebStorage(storageType);\n },\n};\n\n/**\n * @private\n *\n * Checks whether a storage mechanism is available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction isStorageAvailable(storageType) {\n const storageObj = proxy[storageType];\n const data = '__proxy-storage__';\n try {\n storageObj.setItem(data, data);\n storageObj.removeItem(data);\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * @private\n *\n * Sets the first or default storage available.\n *\n * @param {string} storageType: it can be \"localStorage\", \"sessionStorage\", \"cookieStorage\", or \"memoryStorage\"\n * @return {boolean}\n */\nfunction storageAvailable(storageType) {\n if (isAvailable[storageType]) {\n webStorageSettings.default = storageType;\n configStorage.set(storageType);\n }\n return isAvailable[storageType];\n}\n\n/**\n * @private\n *\n * Initializes the module.\n *\n * @return {void}\n */\nfunction init() {\n isAvailable.localStorage = isStorageAvailable('localStorage');\n isAvailable.sessionStorage = isStorageAvailable('sessionStorage');\n isAvailable.cookieStorage = isStorageAvailable('cookieStorage');\n webStorageSettings.isAvailable = isAvailable;\n // sets the default storage mechanism available\n Object.keys(isAvailable).some(storageAvailable);\n}\n\ninit();\n\n// @public API\nexport {storage as default, WebStorage, configStorage, isAvailable};\n\n\n\n// WEBPACK FOOTER //\n// ./src/proxy-storage.js"],"sourceRoot":""} \ No newline at end of file diff --git a/package.json b/package.json index 861f862..a6f14f1 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-storage", - "version": "2.1.1", + "version": "2.1.2", "description": "Storage mechanism that implements the Web Storage interface", "author": "David Rivera ", "main": "dist/proxy-storage.js", diff --git a/src/cookie-storage.js b/src/cookie-storage.js index 5bdf695..63eac7f 100644 --- a/src/cookie-storage.js +++ b/src/cookie-storage.js @@ -37,11 +37,19 @@ function buildExpirationString(date) { return expires.toUTCString(); } -// @private -const buildStringFor = (key, data) => { +/** + * @private + * + * Builds the string for the cookie's metadata. + * + * @param {string} key: name of the metadata + * @param {object} data: metadata of the cookie + * @return {string} + */ +function buildMetadataFor(key, data) { if (!data[key]) return ''; return `; ${key}=${data[key]}`; -}; +} /** * @private @@ -78,9 +86,9 @@ export default function cookieStorage() { if (options.domain && typeof options.domain === 'string') { metadata.domain = options.domain.trim(); } - const expires = buildStringFor('expires', metadata); - const domain = buildStringFor('domain', metadata); - const path = buildStringFor('path', metadata); + const expires = buildMetadataFor('expires', metadata); + const domain = buildMetadataFor('domain', metadata); + const path = buildMetadataFor('path', metadata); const cookie = `${key}=${encodeURIComponent(value)}${expires}${domain}${path}`; $cookie.set(cookie); }, @@ -98,8 +106,8 @@ export default function cookieStorage() { return value; }, - removeItem(key) { - const metadata = Object.assign({}, $cookie.data[key]); + removeItem(key, options) { + const metadata = Object.assign({}, $cookie.data[key], options); metadata.expires = {days: -1}; api.setItem(key, '', metadata); delete $cookie.data[key]; diff --git a/src/utils.js b/src/utils.js index a2e5a43..b46c12b 100644 --- a/src/utils.js +++ b/src/utils.js @@ -55,7 +55,7 @@ export function setProperty(obj, name, value) { /** * Validates if the key is not empty. - * (null, undefined either empty string) + * (null, undefined or empty string) * * @param {string} key: keyname of an element in the storage mechanism * @return {void} diff --git a/src/web-storage.js b/src/web-storage.js index 3c17ead..d5bd946 100644 --- a/src/web-storage.js +++ b/src/web-storage.js @@ -25,6 +25,15 @@ const _interceptors = { clear: [], }; +/** + * @private + * + * Keys not allowed for cookies. + * + * @type {RegExp} + */ +const bannedKeys = /^(?:expires|max-age|path|domain|secure)$/i; + /** * @private * @@ -159,14 +168,20 @@ class WebStorage { */ setItem(key, value, options) { checkEmpty(key); + const storageType = this.__storage__; + if (storageType === 'cookieStorage' && bannedKeys.test(key)) { + throw new Error('The key is a reserved word, therefore not allowed'); + } const v = executeInterceptors('setItem', key, value, options); if (v !== undefined) value = v; this[key] = value; // prevents converting strings to JSON to avoid extra quotes if (typeof value !== 'string') value = JSON.stringify(value); - // TODO: should add setTimeout for options.expires? - // TODO: prevent adding cookies when the domain or path are not valid? - proxy[this.__storage__].setItem(key, value, options); + proxy[storageType].setItem(key, value, options); + // checks if the cookie was created, or delete it if the domain or path are not valid + if (storageType === 'cookieStorage' && proxy[storageType].getItem(key) === null) { + delete this[key]; + } } /** @@ -196,15 +211,16 @@ class WebStorage { * Deletes a key from the storage. * * @param {string} key: keyname of the storage + * @param {object} options: additional options for cookieStorage * @return {void} * * @memberOf WebStorage */ - removeItem(key) { + removeItem(key, options) { checkEmpty(key); - executeInterceptors('removeItem', key); + executeInterceptors('removeItem', key, options); delete this[key]; - proxy[this.__storage__].removeItem(key); + proxy[this.__storage__].removeItem(key, options); } /**