tRPC Patterns

Best practices for building tRPC APIs with Vertical Slice Architecture.

When This Applies

• When @trpc/server is in dependencies
• Building API procedures
• Organizing backend features

Quick Reference

File Structure

packages/api/src/
  features/
    invitations/
      create/
        create.procedure.ts
        create.schema.ts
        create.repository.ts
        create.test.ts
      list/
        ...
      router.ts
  shared/
    procedures.ts
    context.ts
    errors.ts
  router.ts

Rules

See rules/ directory for individual rules organized by section prefix.