check for namespace existence as a last ditch effort to see if a namespace should be loaded
check for namespace existence as a last ditch effort to see if a namespace should be loaded

this was added for the new code splitting behavior which doesn’t write
to goog.dependencies_.written when a module is loaded

bhauman/lein-figwheel,bhauman/lein-figwheel,verma/lein-figwheel,verma/lein-figwheel,bhauman/lein-figwheel