Mass modify attribute values in objects in JS

For example, such an object , Want to directly set the value as null Of is changed to undefined

{
    
address: "11"
agent: null
amlLevel: "11"
annualizedIncomeAmount: null
}

The introduction of a lodash library

import _ from 'lodash';

const res =  _.mapValues(data, val => {
    
    if (_.isNull(val)) {
    
          return undefined;
        }
        return val;
    }),

Want to modify a single , Just judge directly in the function