should i use typescript with react code example

Example 1: React with Typescript

// to create a simple app with React and Typescript
npx create-react-app yourProjectName --template typescript

// to add Typescript in an existing project
npm install --save typescript @types/node @types/react @types/react-dom @types/jest

Example 2: react-native use typescript

yarn add --dev typescript @types/jest @types/react @types/react-native @types/react-test-renderer
# or for npm
npm install --save-dev typescript @types/jest @types/react @types/react-native @types/react-test-renderer

Example 3: react-native use typescript

module.exports = {
  preset: 'react-native',
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node']
};

Example 4: why use typescript with react

npm install --save typescript @types/node @types/react @types/react-dom @types/jest