DDD Utils

Shared utils to build Domain-Driven Design Node.js applications.

Installation

yarn add @rocketseat/ddd-utils

Domain utils

• AggregateRoot: Used to add Domain Events funcionality to Entity;
• Entity: Mark a class as a Entity;
• UniqueEntityID: Create or gereate an unique ID using UUID;
• ValueObject: Create a entity attribute with custom validations;
• WatchedList: Create a list that memorize added or deleted items;

Domain events utils

• DomainEvents: Used by Aggregate Root to add Domain Events to Entity;
• IDomainEvent: Interface used when creating a new Domain Event;
• IHandle: Interface used when creating a new Domain Event Handler;

Infra utils

• BaseController: Extendable class used inside controllers in our application;
• IMapper: Interface used when creating mappers (WIP);

Logic utils

• AppError: Default errors caused by malfunctioning of our application;
• Guard: Simple validation class used to validate domain entities;
• Result: Result class, do not throw errors, use always the result class;
• UseCaseError: Extendable class used to define a Use Case error;

Tests utils

• BaseFakeRepo: Extendable class to create fake repositories used for testing;