TypeScript is a superset of JavaScript which gives you static types and powerful tooling in Visual Studio Code including autocompletion and useful inline warnings for type errors.
- Install the CLI:
npm i -g expo-cli
- Create a project:
expo init --template expo-template-blank-typescript
cd
into the project
- Copy the
tsconfig.json
from this repo, or new typescript template - Add typescript dependencies:
yarn add --dev @types/react @types/react-native typescript
- Rename files tpo TypeScript,
.tsx
for React components and.ts
for plain typescript files