Aggregate roots are clusters of domain objects (Entity or ValueObject) that can be treated as single units.

Example:

class Post extends Entity<{ title: string; content: string, comments: Array<Comment> }> {
  get title() {
    return this.props.title
  }

  get content() {
    return this.props.content
  }

  get comments() {
    return cloneDeep(this.props.comments)
  }
}

const post = new Post({ title: 'Hello Rimo!', content: 'You are amazing :)', comments: [] })
// post.id -> generated
// post.title -> 'Hello Rimo!'
// post.content -> 'You are amazing :)'
// post.comments -> []