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Showing 14 article(s) about "DDD"

Decoupling Logic with Domain Events [Guide] - Domain-Driven Design w/ TypeScript
Sep 26th, 2019 / 22 min read
In this article, we'll walk through the process of using Domain Events to clean up how we decouple complex domain logic across the...
Does DDD Belong on the Frontend? - Domain-Driven Design w/ TypeScript
Sep 24th, 2019 / 18 min read
Should we utilize Domain-Driven Design principles and patterns in front-end applications? How far does domain modeling reach from ...
Functional Error Handling with Express.js and DDD | Enterprise Node.js + TypeScript
Aug 14th, 2019 / 16 min read
How to expressively represent (database, validation and unexpected) errors as domain concepts using functional programming concept...
An Introduction to Domain-Driven Design - DDD w/ TypeScript
Jul 30th, 2019 / 13 min read
Domain-Driven Design is the approach to software development which enables us to translate complex problem domains into rich, expr...
Handling Collections in Aggregates (0-to-Many, Many-to-Many) - Domain-Driven Design w/ TypeScript
Jul 25th, 2019 / 10 min read
In this article, we discuss how we can use a few CQS principles to handle unbounded 0-to-many or many-to-many collections in aggre...
Challenges in Aggregate Design #1 - Domain-Driven Design w/ TypeScript
Jul 25th, 2019 / 5 min read
In this series, we answer common questions in aggregate design. Here's an article orignating from the question, "How can a domain ...
How to Design & Persist Aggregates - Domain-Driven Design w/ TypeScript
Jul 24th, 2019 / 28 min read
In this article, you'll learn how identify the aggregate root and encapsulate a boundary around related entities. You'll also lear...
Intention Revealing Interfaces [w/ Examples] - Domain-Driven Design w/ TypeScript
Jul 9th, 2019 / 10 min read
An intention revealing interface is a standard for writing code that is expressive enough to adequately explain it's purpose witho...
Where Do Domain Events Get Created? | Domain Driven Design w/ TypeScript
Jul 4th, 2019 / 5 min read
In this post, I explain how good ol' fashioned encapsulation + TypeScript getters and setters enable us to effectively create Doma...
Implementing DTOs, Mappers & the Repository Pattern using the Sequelize ORM [with Examples] - DDD w/ TypeScript
Jun 20th, 2019 / 14 min read
There are several patterns that we can utilize in order to handle data access concerns in Domain-Driven Design. In this article, w...
Understanding Domain Entities [with Examples] - DDD w/ TypeScript
May 28th, 2019 / 12 min read
Entities are the first natural place we should aim to place business logic in domain-driven applications. In this article, we talk...
REST-first design is Imperative, DDD is Declarative [Comparison] - DDD w/ TypeScript
May 15th, 2019 / 11 min read
A comparison between designing Node.js applications using REST-first design and Domain-Driven Design.
Migrate Primary Keys to UUIDs - Sequelize/Node
Apr 20th, 2019 / 9 min read
This is how and why I took upon myself the hellish task of migrating an existing Sequelize + TypeScript application to use UUIDs i...
Value Objects - DDD w/ TypeScript
Apr 7th, 2019 / 6 min read
Value Objects are one of the primary components of Domain-Driven Design. Here's a simple Value Object class in TypeScript.