Mark TypeScript as an optional peer dependency (#7860)
Mark TypeScript as an optional peer dependency (#7860)


Timer/create-react-app,facebookincubator/create-react-app,facebookincubator/create-react-app,d3ce1t/create-react-app,d3ce1t/create-react-app,Timer/create-react-app,d3ce1t/create-react-app,jdcrensh/create-react-app,jdcrensh/create-react-app,jdcrensh/create-react-app,facebookincubator/create-react-app,Timer/create-react-app,jdcrensh/create-react-app,d3ce1t/create-react-app,Timer/create-react-app