This method is like _.set 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 _.set 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).