how to add typescript to react native code example

Example 1: react native typescript

npx react-native init MyApp --template react-native-template-typescript

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