add typescript in create react app

npx create-react-app my-app --template typescript
# or #
yarn create react-app my-app --template typescriptCopy

npx create-react-app my-app --template typescript

create-react-app app-name --scripts-version=react-scripts-ts

npx create-react-app my-app --template typescript# oryarn create react-app my-app --template typescriptCopy

npm install --save typescript @types/node @types/react @types/react-dom @types/jest
# or
yarn add typescript @types/node @types/react @types/react-dom @types/jest

react typescript