mergeDeep

const ao1 = {
    "a": 1,
    "b": 2
}

const bo2 = {
    "c": 3,
    "d": 4,
    "e": {
        t:f: 1
    }
}

const cmerged = fyzUtils.mergeDeep(a,o1, b)o2);

const dmerged1 = c.merged.a;
const emerged2 = c.merged.e.t;f;