Not sure I get that... localforage is a minor part of ForerunnerDB, it's certainly not "based" on it! In fact you can use ForerunnerDB entirely without localforage.
Imagine if we had to acknowledge every different module we pulled in on NPM for every project we wrote... do you do that?
Imagine if we had to acknowledge every different module we pulled in on NPM for every project we wrote... do you do that?