Without null

withoutNull.js

function withoutNull(object) {
    object = _.omitBy(object, _.isNull);

    _.forEach(object, function (val, key) {
        if (_.isObject(object[key])) {
            object[key] = withoutNull(val)
        }

        if (_.isArray(val)) {
            object[key] = _.map(val, withoutNull)
        }
    });

    return object;
}

function withoutEmpty(object) {
    _.forEach(object, function (val, key) {
        if (_.isObject(object[key])) {
            object[key] = withoutEmpty(val)
        }

        if (_.isArray(val)) {
            object[key] = _.map(val, withoutEmpty)
        }
    });
    
    object = _.omitBy(object, function(val) {
        return _.isNull(val) || (_.isEmpty(val) && (_.isArray(val) || _.isObject(val)));
    });

    return object;
}