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jQuery_Cookie_Plugin

Работа с Cookie по средствам jQuery

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/5233/18550/jQuery_Cookie_Plugin.js 

/*!
 * jQuery Cookie Plugin v1.4.1
 * https://github.com/carhartl/jquery-cookie
 *
 * Copyright 2013 Klaus Hartl
 * Released under the MIT license
 */
(function (factory) {
	if (typeof define === 'function' && define.amd) {
		// AMD
		define(['jquery'], factory);
	} else if (typeof exports === 'object') {
		// CommonJS
		factory(require('jquery'));
	} else {
		// Browser globals
		factory(jQuery);
	}
}(function ($) {

	var pluses = /\+/g;

	function encode(s) {
		return config.raw ? s : encodeURIComponent(s);
	}

	function decode(s) {
		return config.raw ? s : decodeURIComponent(s);
	}

	function stringifyCookieValue(value) {
		return encode(config.json ? JSON.stringify(value) : String(value));
	}

	function parseCookieValue(s) {
		if (s.indexOf('"') === 0) {
			// This is a quoted cookie as according to RFC2068, unescape...
			s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
		}

		try {
			// Replace server-side written pluses with spaces.
			// If we can't decode the cookie, ignore it, it's unusable.
			// If we can't parse the cookie, ignore it, it's unusable.
			s = decodeURIComponent(s.replace(pluses, ' '));
			return config.json ? JSON.parse(s) : s;
		} catch(e) {}
	}

	function read(s, converter) {
		var value = config.raw ? s : parseCookieValue(s);
		return $.isFunction(converter) ? converter(value) : value;
	}

	var config = $.cookie = function (key, value, options) {

		// Write

		if (value !== undefined && !$.isFunction(value)) {
			options = $.extend({}, config.defaults, options);

			if (typeof options.expires === 'number') {
				var days = options.expires, t = options.expires = new Date();
				t.setTime(+t + days * 864e+5);
			}

			return (document.cookie = [
				encode(key), '=', stringifyCookieValue(value),
				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
				options.path    ? '; path=' + options.path : '',
				options.domain  ? '; domain=' + options.domain : '',
				options.secure  ? '; secure' : ''
			].join(''));
		}

		// Read

		var result = key ? undefined : {};

		// To prevent the for loop in the first place assign an empty array
		// in case there are no cookies at all. Also prevents odd result when
		// calling $.cookie().
		var cookies = document.cookie ? document.cookie.split('; ') : [];

		for (var i = 0, l = cookies.length; i < l; i++) {
			var parts = cookies[i].split('=');
			var name = decode(parts.shift());
			var cookie = parts.join('=');

			if (key && key === name) {
				// If second argument (value) is a function it's a converter...
				result = read(cookie, value);
				break;
			}

			// Prevent storing a cookie that we couldn't decode.
			if (!key && (cookie = read(cookie)) !== undefined) {
				result[name] = cookie;
			}
		}

		return result;
	};

	config.defaults = {};

	$.removeCookie = function (key, options) {
		if ($.cookie(key) === undefined) {
			return false;
		}

		// Must not alter options, thus extending a fresh object...
		$.cookie(key, '', $.extend({}, options, { expires: -1 }));
		return !$.cookie(key);
	};

}));