Use hasOwnProperty when setting defaults
Use hasOwnProperty when setting defaults

liviuignat/regenerator,kittens/regenerator,juliocanares/regenerator,jlongster/unwinder,jlongster/transmogrifier,rafaelstz/regenerator,sebmck/regenerator,liviuignat/regenerator,Jericho25/regenerator,facebook/regenerator,jlongster/unwinder,facebook/regenerator,Jericho25/regenerator,juliocanares/regenerator,jlongster/unwinder,jlongster/transmogrifier,RReverser/js-goto-transpiler,facebook/regenerator,kittens/regenerator,sebmck/regenerator,rafaelstz/regenerator,RReverser/js-goto-transpiler