Resources
Articles

Articles

Tags
#Abstraction#Abstraction Layer#Acceptance Testing#Accidental Complexity#Advanced Object-Oriented Programming#Aggregate#Aggregate Root#Aggregation#Agile#Application Logic#Architecture#Asterisk#BDD#Backend#Books#Business#CRUD#Characterization Testing#Class diagram#Classic TDD#Clean Architecture#Code-First#Command Query Separation#Composition#Convergence#Core code#DDD#DTO#Data Model Tree#Database#Delegation#Dependencies#Dependency Injection#Dependency Inversion#Design Patterns#Divergence#Domain Events#Domain-Driven Design#E2E Testing#E2E tests#ES6#Encapsulation#Enterprise software#Essential Complexity#Event-based systems#Events#Express.js#Feature-Driven Development#Frontend Development#Functional Programming#Functional programming#Gatsby#GatsbyJS#GraphQL#High Value Tests#IOC Containers#Infrastructure code#Inheritance#Inside-Out TDD#Integration tests#Intention Revealing Interfaces#Inversion of Control#IoC Containers#JavaScript#Jest#Language#Leaky Abstraction#Many-to-many#Mapper pattern#Mastery#Mental Models#Messaging#Metaphysics#Mocking#Model-View-Presenter#Music#Negative Value#Netlify#Networking#Node.js#Non-functional requirements#OOP#ORM#Object-Oriented Programming#Observer Pattern#One-to-many#Outside-In TDD#Polymorphism#Professionalism#Psychology#RDD#RESTful APIs#React#Repository pattern#Roadmap#SEO#SOLID#Sequelize#Serverless#Software Craftsmanship#Software Design#Software Essentialism#Software quality attributes#Spirituality#Spotify#Starters#Systems Thinking#TDD#Technical practice#Temporal Decoupling#Test Rig#Test-Driven Development#Testing#The 12 Essentials#The Builder Pattern#The Feedback Loop#The Phases of Craftship#Three Ways#Tutorial#TypeORM#TypeScript#Typical Tests#UML#Unit Tests#Use Cases#Use cases#Value#Value Object#ts-auto-mock
AllClient-Side ArchitectureDesignDesign PrinciplesDomain-Driven DesignEnterprise Node + TypeScriptGraphQLHumans & CodeNetworking & OpsObject-Oriented AnalysisObject-Oriented DesignObject-Oriented ProgrammingSoftware DesignSoftware ProfessionalismTest-Driven DevelopmentTestingThe 12 EssentialsThe MetaphysicsThe Phases of CraftshipWeb Development
1

Showing 1 article about "Functional Programming"



Make Illegal States Unrepresentable! - Domain-Driven Design w/ TypeScriptDomain-Driven Design
dddtypescriptfunctional programming
By using TypeScript's static type system, not only can we enforce (typically challenging things like) business rules and error sta...

Who is Khalil Stemmler?

About the author

Khalil Stemmler,
Software Essentialist ⚡

I'm Khalil. I turn code-first developers into confident crafters without having to buy, read & digest hundreds of complex programming books. Using Software Essentialism, my philosophy of software design, I coach developers through boredom, impostor syndrome, and a lack of direction to master the 80-20 of software design, architecture & testing.



solidbook: An Introduction to the World of Software Design, Architecture & Testing

Get clarity. Uncover the unknown unknowns and learn the main topics from over the last 40 years of software design, architecture & testing.

Get the wiki/book

Testing Mastery

Master the first skill you should have been taught in school: testing. Takes you through the first two Phases of Craftship.

Enroll in TM

The Software Essentialist

Become a confident crafter. Master the 80-20 of testing, design, architecture & strategy to write scalable, testable, flexible and maintainable code on any side of the stack. Takes you through all five Phases of Craftship.

Enroll in TSE
© khalilstemmler • 2025