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Showing 12 article(s) about "DDD"
How to Design & Persist Aggregates - Domain-Driven Design w/ TypeScriptDomain-Driven Design
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...
Functional Error Handling with Express.js and DDD | Enterprise Node.js + TypeScriptEnterprise Node + TypeScript
Aug 14th, 2019 / 14 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/ TypeScriptDomain-Driven Design
Jul 30th, 2019 / 12 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/ TypeScriptDomain-Driven Design
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/ TypeScriptDomain-Driven Design
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 ...
Intention Revealing Interfaces [w/ Examples] - Domain-Driven Design w/ TypeScriptDomain-Driven Design
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/ TypeScriptDomain-Driven Design
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/ TypeScriptDomain-Driven Design
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/ TypeScriptDomain-Driven Design
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/ TypeScriptDomain-Driven Design
May 15th, 2019 / 11 min read
A comparison between designing Node.js applications using REST-first design and Domain-Driven Design.