adding typescript to react project code example
Example 1: how to install react with typescript
npx create-react-app my-app --template typescript
# or
yarn create react-app my-app --template typescript
Example 2: add typescript in create react app
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