further restrict js file matching to avoid picking up extra js
further restrict js file matching to avoid picking up extra js

jfterpstra/bluebottle,jfterpstra/bluebottle,onepercentclub/bluebottle,jfterpstra/bluebottle,jfterpstra/bluebottle,onepercentclub/bluebottle,onepercentclub/bluebottle,onepercentclub/bluebottle,onepercentclub/bluebottle