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  • Book Overview & Buying JavaScript Domain-Driven Design
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JavaScript Domain-Driven Design

JavaScript Domain-Driven Design

By : Philipp Fehre
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JavaScript Domain-Driven Design

JavaScript Domain-Driven Design

3 (2)
By: Philipp Fehre
Buy this Book

Overview of this book

If you are an experienced JavaScript developer who wants to improve the design of his or her applications, or find yourself in a situation to implement an application in an unfamiliar domain, this book is for you. Prior knowledge of JavaScript is required and prior experience with Node.js will also be helpful.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. A Typical JavaScript Project
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1. A Typical JavaScript Project
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The core idea of domain-driven design
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Managing an orc dungeon
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From greenfield to application
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Another look at the problem
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The concepts of domain-driven design
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Further reading
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Summary
2
2. Finding the Core Problem
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2. Finding the Core Problem
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Exploring a problem
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Involving the experts
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Identifying the hard problem
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Getting started, it's about time
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Summary
3
3. Setting Up a Project for Domain-driven Design
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3. Setting Up a Project for Domain-driven Design
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Structuring a project as we see it
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Testing
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Managing the build
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Isolating the domain
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Summary
4
4. Modeling the Actors
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4. Modeling the Actors
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The shoulders of giants
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The Different approaches to development
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Who is involved in the prisoner transfer?
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Naming objects according to the domain
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Objects first
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Applying object design to the domain
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Summary
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5. Classification and Implementation
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5. Classification and Implementation
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Building a common language
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Value objects
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Objects defined as entities
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Managing the application's lifecycle
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Services
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Associations
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Insight during implementation
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Implementing language guidance
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Building context
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Summary
6
6. Context Map – The Big Picture
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6. Context Map – The Big Picture
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Don't fear the monolith
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Service-oriented architecture and microservices
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Keeping it all in your head
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The different ways to manage contexts
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Sharing knowledge
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Summary
7
7. It's Not All Domain-driven Design
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7. It's Not All Domain-driven Design
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Matching the domain to the problem
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The power of object-orientation
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Influences to keep close
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Domain-specific languages
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Drawing knowledge
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Further reading
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Summary
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8. Seeing It All Come Together
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8. Seeing It All Come Together
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The different kinds of JavaScript project
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The different kinds of complexity
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The domains suitable for domain-driven design
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Further reading
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Summary
9
Index
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Index

Naming objects according to the domain

 

There are only two hard things in Computer Science: cache invalidation and naming things.

 
 --Phil Karlton

When exploring roles in a domain, the most complicated thing is most often the fact that we need to name the role that we try to establish in the system. When we are able to name a thing, we can naturally associate it with the role it plays in a system. When building a software system and being able to point out the roles by giving them concrete names, we make it easy for every developer working on the system to know where to put functionality related to the part they need to work on.

Previously, we introduced the concept of a carriage, comprising the cart itself, horses to tow it, and a driver. This is one example of naming a concept according to the domain. In the world of the orc dungeons, the concept of a carriage is very clear, and what is needed to run it is very clear. By using the language of the stakeholders in the system, we are increasing...

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Tech Concepts
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Programming languages
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JavaScript Domain-Driven Design
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