TypeScript • Docs • Svelte

You can use TypeScript within Svelte components. IDE extensions like the Svelte VS Code extension will help you catch errors right in your editor, and svelte-check does the same on the command line, which you can integrate into your CI. <script lang="ts">To use TypeScript inside your Svelte components, add lang="ts" to your script tags: <script lang="ts"> let name: string = 'world'; function greet