Remove empty objects from object, recursive

remove.js

var removeEmpty = function(object) {
    
    if (!_.isObject(object)) {
        return;
    }
    
    _.keys(object).forEach(function(key) {
        var localObj = object[key];
        
        if (_.isObject(localObj)) {
            
            if (_.isEmpty(localObj)) {
                
                delete object[key];
                return;
            }

            // Is object, recursive call
            removeEmpty(localObj);
                           
            if (_.isEmpty(localObj)) {

                delete object[key];
                return;
            }
        }
    });
};

var a = {a: 1,b: [1, 2, 3, 4],c: {}};

removeEmpty(a);
console.log(a);

var b = [1, 2, 3, 4, {a: 1}];

removeEmpty(b);
console.log(b);


var c = {what: {data: {}},}; // you remove the data but what also remains empty

removeEmpty(c);
console.log(c); // the c should be empty object {}

var d = {what: {data: {tags: {remove: 1}}}}; // you remove the data but what also remains empty

removeEmpty(d);
console.log(d); // the c should be empty object {}


var e = {
    what: {
        board_data: {}
    },
    where: { } 
};

removeEmpty(e);
console.log('e', e);


var f = { };
removeEmpty(f);
console.log('f', f);