# Introduction

### @nestjstools/domain-driven-starter

**Framework-agnostic Domain-Driven Design primitives for TypeScript.**

This library provides foundational building blocks for implementing rich domain models using Domain-Driven Design (DDD) principles.

### What’s Included

* Immutable `Uuid` value object (v7, v4 compatible)
* `DomainEvent` interface
* Generic `AggregateRoot<T>` base class
* Event recording pattern
* Clean factory method enforcement
* Zero framework coupling

It is:

* Lightweight
* Infrastructure-free
* Fully testable
* Framework-agnostic
* Compatible with NestJS, Express, or standalone Node.js services