gistfile1.js

function isCustomObject(obj) {
    var result = obj && Object.prototype.toString.call(obj) == '[object Object]';
    return result;
}

function deepOmit(obj) {
    var newEntity = _.transform(obj, function(result, value, key) {
        console.log(value.constructor.name);
        var isParentProperty = String(key).toLowerCase().indexOf("parent") >= 0;
        if (!isParentProperty) {
            if (_.isArray(value) || isCustomObject(value)) {
                result[key] = deepOmit(value);
            }
            else {
                result[key] = value;
            }
        }
    });

    return newEntity;
}