const LocalStorage = {
    set: function (key, value, ttl_ms) {
        var data = { value: value, expirse: new Date(ttl_ms).getTime() };
        localStorage.setItem(key, JSON.stringify(data));
    },
    get: function (key) {
        var data = JSON.parse(localStorage.getItem(key));
        if (data !== null) {
            if (data.expirse != null && data.expirse < new Date().getTime()) {
                localStorage.removeItem(key);
            } else {
                return data.value;
            }
        }
        return null;
    },
    remove: function (key) {
        localStorage.removeItem(key);
    },
    clear: function () {
        window.localStorage.clear();
    },
    getUserId: function () {
        get("dr3dUserId");
    },
    getUser: function () {
        get("dr3dUser");
    }
}