This method is like _.update except that it accepts customizer which
is invoked to produce the objects of path. If customizer returns
undefined path creation is handled by the method instead. The customizer
is invoked with three arguments: (nsValue, key, nsObject).
This method is like _.update except that it accepts customizer which is invoked to produce the objects of path. If customizer returns undefined path creation is handled by the method instead. The customizer is invoked with three arguments: (nsValue, key, nsObject).
Note: This method mutates object.