Disambiguate falsey & undefined; take value if undefined in notifyPath.
Disambiguate falsey & undefined; take value if undefined in notifyPath.

ikeagold/polymer,Polymer/polymer,JeremybellEU/polymer,JeremybellEU/polymer,JeremybellEU/polymer,Polymer/polymer,ikeagold/polymer,Polymer/polymer,ikeagold/polymer