• npm install -g create-react-app@latest
• npx create-react-app .
• npm uninstall react react-dom react-scripts
• npm i @types/react @types/react-dom @types/node @types/jest

파일 생성하기

• tsconfig.json

{
  "compilerOptions": {
    "target": "ES5",
    "module": "CommonJS",
    "strict": true,
    "allowJs": true,
    "esModuleInterop": true,
    "jsx": "react-jsx"
  },
  "include": ["src"]
}