Node package searching for config properties of parent config files

I have an custom node library repo (referring to it as "repo A"), which I use as an npm dependency in another node repo(this is the parent repo consuming repo A, referring to it as "repo B"). I'm using the "config" library in both of these repos. So I just added some properties in the config default.json of repo A. When I'm trying to access these values in the scripts of repo A, I realized that config library is looking for those values in the config json files of repo B(basically the parent repo). How do I stop this from happening, how do I say to the config library to look for the values in its own config json files, but not the parents'?