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WebRoot/static/js/jquery.cookie.js 3.05 KB
ad5081d3   孙向锦   初始化项目
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  /*!
   * jQuery Cookie Plugin v1.4.1
   * https://github.com/carhartl/jquery-cookie
   *
   * Copyright 2006, 2014 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 (arguments.length > 1 && !$.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);
  	};
  
  }));