Stop struggling to parse cookies.

README.md

CookieMonster.js

Stop struggling with cookies in Javascript, use CookieMonster.js :).

Usage

Include CookieMonster.js in your HTML file or load it using requirejs.

var cook = new CookieMonster();

cook.getCookies() // returns an object containing all cookies
cook.setCookie("cookie_name", "value", 2) // set cookie "cookie_name" to "value". Last parameter is optional expiry time in days
cook.getCookie("foo") // returns the value of the cookie "foo" if it exists. Raises an error if it doesn't
cook.cookieExists("foo") // returns true if cookie "foo" exists else false
cook.removeCookie("foo") // deletes cookie foo

cookieMonster.js

var CookieMonster = function(){

    	function blank(s){
    		if ((typeof s===undefined)||(s==null)||(s=="")||(s.length===0)){
    			return true;
    		} else {
    			return false;
    		}
    	}
    
        return {
            getCookies: function(){
        		var o = document.cookie.split(";");
        		var r = {};
        		o.forEach(function(c){
        			r[c.split("=")[0].trim()] = c.split("=")[1]
        		});
        		return r;
            },
            setCookie: function(cookie_name,cookie_value,expiry_days){
                
                var d = new Date();
                if(blank(expiry_days)){
                    expiry_days = 7;
                }
                d.setTime(d.getTime() + (expiry_days * 24 * 60 * 60 * 1000));
                var expires = "expires=" + d.toUTCString();
                
                document.cookie = cookie_name + "=" + cookie_value + "; " + expires;
                
                return this.getCookies();
            },
            cookieExists: function(cookie_name){
                if (!blank(this.getCookies()[cookie_name])){
                    return true;
                } else {
                    return false;
                }
            },
            getCookie: function(cookie_name){
                if(this.cookieExists(cookie_name)){
                    return this.getCookies()[cookie_name];
                } else {
                    console.error("Cookie '" + cookie_name + "' not set.");
                    return null;
                }
            },
            removeCookie: function(cookie_name){
                if(this.cookieExists(cookie_name)){
                    document.cookie = cookie_name + "=; expires=Thu, 01 Jan 1970 00:00:00 UTC" ;
                    return this.getCookies();
                } else {
                    console.error("Cookie '" + cookie_name + "' not set.");
                    return this.getCookies();
                }
            }
        }
    }