class CookieHandler {

    add(name, value, expiration) {
        let d = new Date();
        d.setTime(d.getTime() + expiration);
        let expires = "expires="+ d.toUTCString();
        document.cookie = name + "=" + value + ";" + expires + ";path=/";
    }

    get(name){
        name = name + "=";
        let decodedCookie = decodeURIComponent(document.cookie);
        let ca = decodedCookie.split(';');
        for(let i = 0; i < ca.length; i++) {
            let c = ca[i];
            while (c.charAt(0) == ' ') c = c.substring(1);
            if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
        }
        return "";
    }

    remove(name){
        this.add(name,"",0);
    }
}