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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
3 (2)
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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
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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
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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
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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
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Index
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Index

Structuring a project as we see it

As a new developer dives into a project, the first thing they are always going to see is the layout of files and folders in the project. This is also the element of organization we deal with constantly while editing the project, so it is worth investing thought into the organization. Just looking at the files and folders should already tell you something about the project; it is the highest level of organization and therefore should represent some of the top level concepts of our domain.

So to start out, we need to make sure we know what we are trying to solve with this structure. There are multiple points that we need to address at this level, and they will follow us through every part of the organization of the project; they are:

  • Approachability

  • Locality of edits

  • Fitness for handling change

So let's see what these points are about and how we can optimize for each of those points.

Approachability

As a new developer joins a project, or even as one comes back to...

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Tech Concepts
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Programming languages
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