Demo: Node.js type stripping

• Requires Node.js v23.6.0 or later.
• All the TypeScript code in this repository is run directly by Node.js, via type stripping.
• Limitation: Type stripping is not supported in packages. Therefore, we can only write apps directly in TypeScript and have to transpile packages.

Using src/playground.ts as a simple TypeScript playground

cd nodejs-type-stripping/
npm install
npm run play

• Edit src/playground.ts. Whenever you save that file, Node.js runs it again and displays its output.

More information

• 2ality blog post “Simple TypeScript playground via node --watch”
• “Modules: TypeScript” in the Node.js documentation
• Blog post “Node’s new built-in support for TypeScript” on 2ality.com
• Blog post “A guide to tsconfig.json” on 2ality.com