Type Alias OutboxEvent

Example

Domain events with discriminated union

type DomainEvent =
  | { type: 'MedicineAssigned'; patientId: string; medicineId: string }
  | { type: 'TaskCompleted'; taskId: string; completedAt: Date }
  | { type: 'UserRegistered'; userId: string; email: string }

const outbox = createOutboxConsumer<DomainEvent>({
  // ...
  publish: async (event) => {
    switch (event.type) {
      case 'MedicineAssigned':
        // TypeScript knows event has patientId and medicineId
        await handleMedicineAssignment(event)
        break
      case 'TaskCompleted':
        // TypeScript knows event has taskId and completedAt
        await handleTaskCompletion(event)
        break
      case 'UserRegistered':
        // TypeScript knows event has userId and email
        await handleUserRegistration(event)
        break
    }
  }
})
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