code cleanup: replace nulls with undefined
code cleanup: replace nulls with undefined

chocolatechipui/TypeScript,progre/TypeScript,fdecampredon/jsx-typescript,germ13/TypeScript,samuelhorwitz/typescript,rgbkrk/TypeScript,plantain-00/TypeScript,webhost/TypeScript,yazeng/TypeScript,AbubakerB/TypeScript,Microsoft/TypeScript,hitesh97/TypeScript,SaschaNaz/TypeScript,rodrigues-daniel/TypeScript,Microsoft/TypeScript,AbubakerB/TypeScript,samuelhorwitz/typescript,gonifade/TypeScript,kpreisser/TypeScript,MartyIX/TypeScript,MartyIX/TypeScript,jteplitz602/TypeScript,ionux/TypeScript,RyanCavanaugh/TypeScript,plantain-00/TypeScript,enginekit/TypeScript,tempbottle/TypeScript,Viromo/TypeScript,msynk/TypeScript,jteplitz602/TypeScript,zhengbli/TypeScript,SmallAiTT/TypeScript,abbasmhd/TypeScript,mauricionr/TypeScript,jwbay/TypeScript,SimoneGianni/TypeScript,mmoskal/TypeScript,kumikumi/TypeScript,shanexu/TypeScript,impinball/TypeScript,nycdotnet/TypeScript,erikmcc/TypeScript,Viromo/TypeScript,samuelhorwitz/typescript,Raynos/TypeScript,weswigham/TypeScript,moander/TypeScript,mihailik/TypeScript,sassson/TypeScript,chuckjaz/TypeScript,bpowers/TypeScript,moander/TypeScript,Raynos/TypeScript,jamesrmccallum/TypeScript,minestarks/TypeScript,moander/TypeScript,ropik/TypeScript,jeremyepling/TypeScript,enginekit/TypeScript,evgrud/TypeScript,nojvek/TypeScript,weswigham/TypeScript,pcan/TypeScript,kitsonk/TypeScript,shiftkey/TypeScript,matthewjh/TypeScript,ZLJASON/TypeScript,OlegDokuka/TypeScript,alexeagle/TypeScript,DLehenbauer/TypeScript,yortus/TypeScript,msynk/TypeScript,chocolatechipui/TypeScript,progre/TypeScript,microsoft/TypeScript,JohnZ622/TypeScript,nagyistoce/TypeScript,keir-rex/TypeScript,thr0w/Thr0wScript,zmaruo/TypeScript,hitesh97/TypeScript,zmaruo/TypeScript,DLehenbauer/TypeScript,Eyas/TypeScript,donaldpipowitch/TypeScript,tempbottle/TypeScript,yukulele/TypeScript,evgrud/TypeScript,RReverser/TypeScript,MartyIX/TypeScript,Viromo/TypeScript,fabioparra/TypeScript,jwbay/TypeScript,mcanthony/TypeScript,JohnZ622/TypeScript,jeremyepling/TypeScript,shovon/TypeScript,mauricionr/TypeScript,mihailik/TypeScript,yortus/TypeScript,ziacik/TypeScript,nojvek/TypeScript,blakeembrey/TypeScript,minestarks/TypeScript,basarat/TypeScript,mszczepaniak/TypeScript,MartyIX/TypeScript,jdavidberger/TypeScript,nagyistoce/TypeScript,RyanCavanaugh/TypeScript,abbasmhd/TypeScript,basarat/TypeScript,billti/TypeScript,jamesrmccallum/TypeScript,plantain-00/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,fabioparra/TypeScript,RyanCavanaugh/TypeScript,kimamula/TypeScript,tinganho/TypeScript,mihailik/TypeScript,Mqgh2013/TypeScript,fearthecowboy/TypeScript,kimamula/TypeScript,keir-rex/TypeScript,AbubakerB/TypeScript,jbondc/TypeScript,germ13/TypeScript,HereSinceres/TypeScript,nojvek/TypeScript,nagyistoce/TypeScript,weswigham/TypeScript,progre/TypeScript,alexeagle/TypeScript,hitesh97/TypeScript,fdecampredon/jsx-typescript,matthewjh/TypeScript,minestarks/TypeScript,pcan/TypeScript,ionux/TypeScript,SimoneGianni/TypeScript,rgbkrk/TypeScript,kpreisser/TypeScript,jbondc/TypeScript,SmallAiTT/TypeScript,ziacik/TypeScript,evgrud/TypeScript,DanielRosenwasser/TypeScript,kumikumi/TypeScript,Viromo/TypeScript,synaptek/TypeScript,DanielRosenwasser/TypeScript,fearthecowboy/TypeScript,suto/TypeScript,vilic/TypeScript,DLehenbauer/TypeScript,microsoft/TypeScript,jwbay/TypeScript,yukulele/TypeScript,AbubakerB/TypeScript,nycdotnet/TypeScript,samuelhorwitz/typescript,gonifade/TypeScript,mmoskal/TypeScript,tinganho/TypeScript,mauricionr/TypeScript,tempbottle/TypeScript,Mqgh2013/TypeScript,DLehenbauer/TypeScript,keir-rex/TypeScript,donaldpipowitch/TypeScript,nycdotnet/TypeScript,chuckjaz/TypeScript,vilic/TypeScript,shovon/TypeScript,SaschaNaz/TypeScript,TukekeSoft/TypeScript,jteplitz602/TypeScript,ziacik/TypeScript,fabioparra/TypeScript,Eyas/TypeScript,shanexu/TypeScript,vilic/TypeScript,jeremyepling/TypeScript,erikmcc/TypeScript,fabioparra/TypeScript,billti/TypeScript,shovon/TypeScript,TukekeSoft/TypeScript,plantain-00/TypeScript,evgrud/TypeScript,blakeembrey/TypeScript,blakeembrey/TypeScript,enginekit/TypeScript,sassson/TypeScript,microsoft/TypeScript,Raynos/TypeScript,rodrigues-daniel/TypeScript,jdavidberger/TypeScript,Mqgh2013/TypeScript,kingland/TypeScript,jwbay/TypeScript,zmaruo/TypeScript,erikmcc/TypeScript,hoanhtien/TypeScript,abbasmhd/TypeScript,synaptek/TypeScript,jbondc/TypeScript,pcan/TypeScript,fdecampredon/jsx-typescript,shanexu/TypeScript,mcanthony/TypeScript,chuckjaz/TypeScript,sassson/TypeScript,webhost/TypeScript,ZLJASON/TypeScript,synaptek/TypeScript,ionux/TypeScript,yazeng/TypeScript,kimamula/TypeScript,basarat/TypeScript,ziacik/TypeScript,jdavidberger/TypeScript,zhengbli/TypeScript,rodrigues-daniel/TypeScript,chocolatechipui/TypeScript,vilic/TypeScript,TukekeSoft/TypeScript,msynk/TypeScript,matthewjh/TypeScript,thr0w/Thr0wScript,germ13/TypeScript,mszczepaniak/TypeScript,yortus/TypeScript,mmoskal/TypeScript,suto/TypeScript,gdi2290/TypeScript,OlegDokuka/TypeScript,ZLJASON/TypeScript,hoanhtien/TypeScript,kumikumi/TypeScript,jamesrmccallum/TypeScript,mihailik/TypeScript,thr0w/Thr0wScript,kitsonk/TypeScript,shanexu/TypeScript,zhengbli/TypeScript,mszczepaniak/TypeScript,SaschaNaz/TypeScript,RReverser/TypeScript,rgbkrk/TypeScript,bpowers/TypeScript,ropik/TypeScript,HereSinceres/TypeScript,Microsoft/TypeScript,shiftkey/TypeScript,mauricionr/TypeScript,alexeagle/TypeScript,shiftkey/TypeScript,mcanthony/TypeScript,OlegDokuka/TypeScript,blakeembrey/TypeScript,donaldpipowitch/TypeScript,RReverser/TypeScript,rodrigues-daniel/TypeScript,DanielRosenwasser/TypeScript,suto/TypeScript,Eyas/TypeScript,webhost/TypeScript,chuckjaz/TypeScript,tinganho/TypeScript,kingland/TypeScript,impinball/TypeScript,ropik/TypeScript,yazeng/TypeScript,Eyas/TypeScript,moander/TypeScript,impinball/TypeScript,kitsonk/TypeScript,basarat/TypeScript,JohnZ622/TypeScript,kimamula/TypeScript,fearthecowboy/TypeScript,mcanthony/TypeScript,nycdotnet/TypeScript,SmallAiTT/TypeScript,bpowers/TypeScript,DanielRosenwasser/TypeScript,gonifade/TypeScript,thr0w/Thr0wScript,donaldpipowitch/TypeScript,Raynos/TypeScript,nojvek/TypeScript,erikmcc/TypeScript,ropik/TypeScript,yukulele/TypeScript,hoanhtien/TypeScript,ionux/TypeScript,fdecampredon/jsx-typescript,yortus/TypeScript,synaptek/TypeScript,billti/TypeScript,kingland/TypeScript,SimoneGianni/TypeScript,JohnZ622/TypeScript,mmoskal/TypeScript,HereSinceres/TypeScript