axemclion/IndexedDBShim — pull request #143 by adam-marshall (2014-06-30 15:26:24+00:00)
Title: Allow updating records with in-line keys where record primary key is 0

Check if primary key is undefined, instead of just (!primaryKey), as if a primary key is 0 we would still want to continue with the callback and not get the next auto-increment key.

https://github.com/axemclion/IndexedDBShim/issues/142