Install

• Locally for a project

yarn add typescript  --dev

• Global

# yarn
yarn global add typescript
# npm
npm install -g typescript

Compilation

• With the global tsc cli

tsc typescript.ts
ls

typescript.js

• With the playground
• In the browser: The typescript compiler is written in Typescript, so you can load the compiler (typescript.js) into your browser (roughly 250 KB).

Option

Compiler options can be set:

• at the command line. See list
• or in the tsconfig.json file.

The Playground has a GUI

API

• https://github.com/microsoft/TypeScript/wiki/Using-the-Compiler-API
• example