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 /using-typescript/ which was built on 2026-03-02 10:22 am UTC.

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