check for null
check for null

minestarks/TypeScript,ionux/TypeScript,kpreisser/TypeScript,basarat/TypeScript,thr0w/Thr0wScript,nojvek/TypeScript,plantain-00/TypeScript,fabioparra/TypeScript,SaschaNaz/TypeScript,Eyas/TypeScript,blakeembrey/TypeScript,kimamula/TypeScript,evgrud/TypeScript,ionux/TypeScript,Microsoft/TypeScript,ionux/TypeScript,kimamula/TypeScript,Eyas/TypeScript,synaptek/TypeScript,samuelhorwitz/typescript,AbubakerB/TypeScript,jwbay/TypeScript,plantain-00/TypeScript,samuelhorwitz/typescript,blakeembrey/TypeScript,alexeagle/TypeScript,synaptek/TypeScript,synaptek/TypeScript,evgrud/TypeScript,samuelhorwitz/typescript,nojvek/TypeScript,nycdotnet/TypeScript,vilic/TypeScript,weswigham/TypeScript,TukekeSoft/TypeScript,AbubakerB/TypeScript,microsoft/TypeScript,Microsoft/TypeScript,chuckjaz/TypeScript,jeremyepling/TypeScript,microsoft/TypeScript,RyanCavanaugh/TypeScript,fabioparra/TypeScript,DLehenbauer/TypeScript,mmoskal/TypeScript,samuelhorwitz/typescript,nycdotnet/TypeScript,ziacik/TypeScript,kimamula/TypeScript,mihailik/TypeScript,evgrud/TypeScript,TukekeSoft/TypeScript,alexeagle/TypeScript,vilic/TypeScript,ionux/TypeScript,kitsonk/TypeScript,blakeembrey/TypeScript,mmoskal/TypeScript,synaptek/TypeScript,yortus/TypeScript,donaldpipowitch/TypeScript,DLehenbauer/TypeScript,minestarks/TypeScript,donaldpipowitch/TypeScript,erikmcc/TypeScript,mihailik/TypeScript,basarat/TypeScript,kimamula/TypeScript,jeremyepling/TypeScript,fabioparra/TypeScript,mmoskal/TypeScript,yortus/TypeScript,RyanCavanaugh/TypeScript,nojvek/TypeScript,ziacik/TypeScript,mmoskal/TypeScript,vilic/TypeScript,jeremyepling/TypeScript,SaschaNaz/TypeScript,TukekeSoft/TypeScript,AbubakerB/TypeScript,ziacik/TypeScript,kitsonk/TypeScript,Eyas/TypeScript,DLehenbauer/TypeScript,plantain-00/TypeScript,jwbay/TypeScript,erikmcc/TypeScript,microsoft/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,chuckjaz/TypeScript,alexeagle/TypeScript,nycdotnet/TypeScript,weswigham/TypeScript,weswigham/TypeScript,SaschaNaz/TypeScript,erikmcc/TypeScript,Microsoft/TypeScript,jwbay/TypeScript,DLehenbauer/TypeScript,basarat/TypeScript,RyanCavanaugh/TypeScript,mihailik/TypeScript,thr0w/Thr0wScript,vilic/TypeScript,basarat/TypeScript,blakeembrey/TypeScript,kpreisser/TypeScript,chuckjaz/TypeScript,erikmcc/TypeScript,AbubakerB/TypeScript,kpreisser/TypeScript,plantain-00/TypeScript,evgrud/TypeScript,donaldpipowitch/TypeScript,donaldpipowitch/TypeScript,Eyas/TypeScript,yortus/TypeScript,mihailik/TypeScript,yortus/TypeScript,ziacik/TypeScript,chuckjaz/TypeScript,thr0w/Thr0wScript,fabioparra/TypeScript,nycdotnet/TypeScript,minestarks/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,nojvek/TypeScript