Gatsby supports TypeScript by default

This means that you can create and write .ts/.tsx files for your pages, components, and gatsby-* configuration files (for example gatsby-config.ts).

For type checking you'll want to install typescript via npm and run tsc --init to create a tsconfig file.

You're currently on the page /cs/using-typescript/ which was built on 2025-12-30 10:59 pm UTC.

To learn more, head over to our documentation about TypeScript.