# Alveolus

> Keep your domain model clean, whoever writes the code.

Domain-Driven Design building blocks and architecture checks for TypeScript, for teams and their agents.

## Table of Contents

### Guide

- [Getting started](/guide/getting-started.md)
- [Project layout](/guide/project-layout.md)

### Integrations

- [Integrations](/integrations.md)
- [NestJS](/integrations/nestjs.md)

### Building blocks

- [Building blocks](/core.md)

### Domain

- [Aggregates](/core/domain/aggregates.md)
- [Entities](/core/domain/entities.md)
- [Value objects](/core/domain/value-objects.md)
- [Domain events](/core/domain/domain-events.md)
- [Domain errors](/core/domain/domain-errors.md)
- [Domain Services](/core/domain/domain-services.md)
- [Ports](/core/domain/ports.md)
- [Repositories](/core/domain/repositories.md)
- [Views](/core/domain/views.md)

### Application

- [Command handlers](/core/application/command-handlers.md)
- [Query handlers](/core/application/query-handlers.md)
- [Event translators](/core/application/event-translators.md)
- [Integration events](/core/application/integration-events.md)
- [Event publishers](/core/application/event-publishers.md)
- [Unit of Work](/core/application/unit-of-work.md)
- [Outbox](/core/application/outbox.md)

### Strategic

- [Published Language](/core/strategic/published-language.md)
- [Open host services](/core/strategic/open-host-services.md)
- [Anti-corruption layers](/core/strategic/anti-corruption-layers.md)

### Utilities

- [Result](/core/utilities/result.md)

### Rules

- [Rules](/rules.md)
- [bc-isolation](/rules/bc-isolation.md)
- [domain-purity](/rules/domain-purity.md)
- [layer-direction](/rules/layer-direction.md)
- [driven-adapters-extend-port](/rules/driven-adapters-extend-port.md)
- [building-blocks-only](/rules/building-blocks-only.md)
- [placement](/rules/placement.md)
- [reference-by-identity](/rules/reference-by-identity.md)
- [command-query-separation](/rules/command-query-separation.md)
- [errors-as-values](/rules/errors-as-values.md)