svelte-modern

Remote functions let you define server-side logic directly in SvelteKit with full type safety, eliminating boilerplate and ensuring client-server contracts match automatically. Use remote.ts rules to declare queries, forms, and commands that execute server-side while maintaining TypeScript types across the boundary.

Svelte 5 supports native async/await in components, enabling seamless data loading without callback chains or state management overhead. This simplifies building reactive UIs where data fetches trigger re-renders automatically as promises resolve.

Integrate valibot for schema-based validation that runs on both client and server, catching errors early and ensuring consistent rules across your full stack. Define validation schemas once and reuse them to validate user input before server-side execution.

Implement authorization checks directly in remote handlers using layered permission logic, ensuring only authenticated and authorized requests execute sensitive operations. This pattern centralizes access control at the server boundary rather than scattering it across routes.

Yes—remote functions support optimistic updates where the UI reflects user actions immediately while server confirmation happens asynchronously. Combine with form validation and single-flight deduplication to prevent duplicate submissions and race conditions.

Remote functions handle form submissions and file uploads with built-in type safety and validation. Server-side execution layers process uploads securely while maintaining type contracts between client and server.