Practical articles on clean code, design patterns, refactoring, architecture, and software craftsmanship.https://code.furybee.org/en-ushttps://code.furybee.org/articles/mutable-state-costs/https://code.furybee.org/articles/mutable-state-costs/Shared mutable state is the root of cascading bugs. Learn why mutation is expensive, what it costs in testing and refactoring, and practical patterns to reduce it.Sat, 25 Apr 2026 00:00:00 GMTArchitecturemutable-stateimmutabilityrefactoringdebuggingclean-codehttps://code.furybee.org/articles/architecture-decision-records/https://code.furybee.org/articles/architecture-decision-records/Code shows what you built. ADRs explain why you built it that way. A lightweight text file per decision is all you need to stop relitigating the same debates.Sat, 21 Mar 2026 00:00:00 GMTBest Practicesadrdocumentationarchitecturedecision-makingteamhttps://code.furybee.org/articles/anti-corruption-layer/https://code.furybee.org/articles/anti-corruption-layer/When integrating with legacy systems or third-party APIs, the Anti-Corruption Layer pattern prevents their messy models from leaking into your clean domain.Sat, 21 Mar 2026 00:00:00 GMTArchitectureanti-corruption-layerdddlegacyintegrationarchitecturehttps://code.furybee.org/articles/api-gateway-vs-bff/https://code.furybee.org/articles/api-gateway-vs-bff/An API Gateway and a Backend for Frontend are both API layers, but they solve different problems. Here's how to choose — and why you might need both.Sat, 21 Mar 2026 00:00:00 GMTArchitectureapi-gatewaybffmicroservicesarchitecturebackendhttps://code.furybee.org/articles/code-coverage-myth/https://code.furybee.org/articles/code-coverage-myth/Teams chase 80% coverage targets and feel safe. Then production burns. Coverage measures what was executed, not what was tested — here's what actually matters.Sat, 21 Mar 2026 00:00:00 GMTTestingtestingcode-coveragequalitybest-practicesmetricshttps://code.furybee.org/articles/contract-testing/https://code.furybee.org/articles/contract-testing/Integration tests are slow and brittle. Contract testing lets consumer and provider verify their API agreement independently — without spinning up the whole system.Sat, 21 Mar 2026 00:00:00 GMTTestingcontract-testingpactmicroservicestestingapihttps://code.furybee.org/articles/event-sourcing/https://code.furybee.org/articles/event-sourcing/Instead of storing the current state, Event Sourcing stores every change as an immutable event. Learn how it unlocks time travel, audit logs, and powerful projections.Sat, 21 Mar 2026 00:00:00 GMTArchitectureevent-sourcingcqrsarchitectureeventsaudit-loghttps://code.furybee.org/articles/feature-flags/https://code.furybee.org/articles/feature-flags/Feature flags decouple deployment from release. Ship code any time, enable features when you're ready — and kill them instantly if something goes wrong.Sat, 21 Mar 2026 00:00:00 GMTBest Practicesfeature-flagsdeploymenttrunk-based-developmentdevopsrelease-managementhttps://code.furybee.org/articles/monorepo-why-and-how/https://code.furybee.org/articles/monorepo-why-and-how/A monorepo puts all your code in one repository. Done right, it speeds up development, enforces boundaries, and makes refactoring across projects trivial. Here's the real picture.Sat, 21 Mar 2026 00:00:00 GMTDevOpsmonoreponxturborepoarchitecturetoolinghttps://code.furybee.org/articles/outbox-pattern/https://code.furybee.org/articles/outbox-pattern/Publishing events after a database write sounds simple, but it's a trap. The Outbox pattern guarantees that your database changes and your events always stay in sync.Sat, 21 Mar 2026 00:00:00 GMTArchitectureoutboxmessagingdistributed-systemsconsistencymicroserviceshttps://code.furybee.org/articles/pre-commit-hooks/https://code.furybee.org/articles/pre-commit-hooks/Bad code shouldn't make it past your local machine. Pre-commit hooks catch formatting issues, lint errors, and failing tests before they ever touch your repository.Sat, 21 Mar 2026 00:00:00 GMTDevOpspre-commitgit-hookshuskylint-stagedcode-qualityhttps://code.furybee.org/articles/saga-pattern/https://code.furybee.org/articles/saga-pattern/Distributed transactions are hard. The Saga pattern breaks them into a sequence of local transactions with compensating actions, avoiding the pitfalls of Two-Phase Commit.Sat, 21 Mar 2026 00:00:00 GMTArchitecturesagadistributed-systemsmicroservicestransactionsarchitecturehttps://code.furybee.org/articles/specification-pattern/https://code.furybee.org/articles/specification-pattern/When business rules get complex, they scatter across your codebase. The Specification pattern turns rules into composable objects you can combine, reuse, and test in isolation.Sat, 21 Mar 2026 00:00:00 GMTDesign Patternsspecification-patterndddbusiness-rulesdesign-patternsclean-codehttps://code.furybee.org/articles/strangler-fig-pattern/https://code.furybee.org/articles/strangler-fig-pattern/The strangler fig tree grows around its host until the host is gone. Use the same approach to incrementally replace a legacy monolith with modern services — safely.Sat, 21 Mar 2026 00:00:00 GMTArchitecturestrangler-figmigrationmonolithmicroservicesrefactoringhttps://code.furybee.org/articles/trunk-based-vs-gitflow/https://code.furybee.org/articles/trunk-based-vs-gitflow/GitFlow dominated for a decade. Trunk-Based Development is how high-performing teams actually ship. Here's why, and how to make the switch.Sat, 21 Mar 2026 00:00:00 GMTBest Practicestrunk-based-developmentgitflowbranchingdevopsci-cdhttps://code.furybee.org/articles/cohesion-in-modules/https://code.furybee.org/articles/cohesion-in-modules/A cohesive module does one thing and does it well. Learn how to measure and improve the cohesion of your classes and modules for more maintainable code.Mon, 16 Feb 2026 00:00:00 GMTArchitecturecohesionmodulesarchitecturerefactoringclean-codehttps://code.furybee.org/articles/either-result-pattern/https://code.furybee.org/articles/either-result-pattern/Replace unpredictable try/catch blocks with the Either/Result pattern for an explicit, typed, and composable error flow.Mon, 16 Feb 2026 00:00:00 GMTDesign Patternseitherresulterror-handlingtypescriptfunctional-programminghttps://code.furybee.org/articles/fail-fast-principle/https://code.furybee.org/articles/fail-fast-principle/The Fail Fast principle means detecting and reporting errors as early as possible. This leads to less debugging, less silent corruption, and more confidence in your code.Mon, 16 Feb 2026 00:00:00 GMTPrinciplesfail-fastdefensive-programmingvalidationclean-codehttps://code.furybee.org/articles/principle-of-least-astonishment/https://code.furybee.org/articles/principle-of-least-astonishment/The Principle of Least Astonishment (or Surprise) states that the result of an operation should be obvious, consistent, and predictable. Learn why surprising code leads to bugs.Wed, 10 Dec 2025 00:00:00 GMTPrinciplesprinciplesclean-codeapi-designreadabilityconsistencyhttps://code.furybee.org/articles/typescript-type-safety/https://code.furybee.org/articles/typescript-type-safety/Advanced TypeScript techniques for bulletproof type safety — branded types, discriminated unions, template literals, and conditional types with practical examples.Wed, 10 Dec 2025 00:00:00 GMTTypeScripttypescripttype-safetyadvanced-typesgenericsbest-practiceshttps://code.furybee.org/articles/separation-of-concerns/https://code.furybee.org/articles/separation-of-concerns/Separation of Concerns is a design principle for separating a computer program into distinct sections. Learn how this core idea underpins almost every major software architecture.Fri, 05 Dec 2025 00:00:00 GMTPrinciplesseparation-of-concernssocarchitectureclean-codeprinciplessrphttps://code.furybee.org/articles/mutation-testing/https://code.furybee.org/articles/mutation-testing/Your tests pass with 100% code coverage. But does that mean your tests are good? Mutation testing helps you answer this question by changing your code and seeing if your tests fail.Sun, 30 Nov 2025 00:00:00 GMTTestingtestingmutation-testingquality-assurancetddtypescriptpythonhttps://code.furybee.org/articles/property-based-testing/https://code.furybee.org/articles/property-based-testing/Example-based testing is great, but it can't cover every edge case. Property-based testing generates hundreds of random test cases to find bugs you never thought to look for.Tue, 25 Nov 2025 00:00:00 GMTTestingtestingproperty-based-testingautomationquality-assurancetypescriptpythonhttps://code.furybee.org/articles/error-handling-patterns/https://code.furybee.org/articles/error-handling-patterns/Practical error handling patterns that make code more robust — from custom error hierarchies and Result types to error boundaries and retry strategies.Thu, 20 Nov 2025 00:00:00 GMTBest Practiceserror-handlingbest-practicestypescriptpythonclean-codehttps://code.furybee.org/articles/vertical-slice-architecture/https://code.furybee.org/articles/vertical-slice-architecture/Vertical Slice Architecture organizes code by feature, not by technical layer. Learn how this approach can improve cohesion, reduce coupling, and make your codebase easier to navigate.Thu, 20 Nov 2025 00:00:00 GMTArchitecturevertical-slice-architecturearchitectureclean-architecturecohesioncouplinghttps://code.furybee.org/articles/domain-driven-design-basics/https://code.furybee.org/articles/domain-driven-design-basics/An introduction to the core building blocks of Domain-Driven Design (DDD): Entities, Value Objects, and Aggregates. Learn how to model a rich, expressive domain.Sat, 15 Nov 2025 00:00:00 GMTArchitecturedddarchitecturedomain-driven-designentitiesvalue-objectsaggregateshttps://code.furybee.org/articles/async-error-handling/https://code.furybee.org/articles/async-error-handling/Master async error handling in TypeScript — try/catch patterns, Promise.allSettled, retry strategies, error boundaries, and graceful degradation.Wed, 12 Nov 2025 00:00:00 GMTTypeScriptasyncerror-handlingtypescriptpromisesbest-practiceshttps://code.furybee.org/articles/cqrs-pattern/https://code.furybee.org/articles/cqrs-pattern/Command Query Responsibility Segregation (CQRS) is an architectural pattern that separates models for reading data from models for updating data. Learn the pros and cons.Mon, 10 Nov 2025 00:00:00 GMTArchitecturecqrsarchitecturedesign-patternsscalabilityevent-sourcinghttps://code.furybee.org/articles/dead-code-elimination/https://code.furybee.org/articles/dead-code-elimination/Dead code is code that is never executed. It adds clutter, confuses developers, and increases maintenance overhead. Learn how to find and safely remove it.Wed, 05 Nov 2025 00:00:00 GMTRefactoringdead-coderefactoringmaintainabilitycode-smellsclean-codehttps://code.furybee.org/articles/monolith-to-microservices/https://code.furybee.org/articles/monolith-to-microservices/A pragmatic guide to breaking a monolith into microservices — when it makes sense, how to identify service boundaries, and patterns to execute the migration safely.Wed, 05 Nov 2025 00:00:00 GMTArchitecturearchitecturemicroservicesmonolithmigrationdomain-driven-designhttps://code.furybee.org/articles/shotgun-surgery/https://code.furybee.org/articles/shotgun-surgery/Shotgun Surgery is a code smell where a single logical change requires you to modify many different classes. Learn how to identify and fix it by consolidating responsibilities.Thu, 30 Oct 2025 00:00:00 GMTCode Smellsshotgun-surgerycode-smellsrefactoringdrysingle-responsibilityhttps://code.furybee.org/articles/magic-numbers-constants/https://code.furybee.org/articles/magic-numbers-constants/Magic numbers are unnamed numeric literals that appear in code without explanation. Learn how to replace them with named constants to improve readability and maintainability.Sat, 25 Oct 2025 00:00:00 GMTCode Smellsmagic-numbersconstantsreadabilitymaintainabilitycode-smellsrefactoringhttps://code.furybee.org/articles/code-comments-when-why/https://code.furybee.org/articles/code-comments-when-why/Good code is self-documenting, but that doesn't mean all comments are bad. Learn the difference between valuable comments and harmful noise that hurts maintainability.Mon, 20 Oct 2025 00:00:00 GMTBest Practicescommentsclean-codereadabilitymaintainabilityrefactoringhttps://code.furybee.org/articles/python-type-hints/https://code.furybee.org/articles/python-type-hints/A practical guide to Python type hints — from basics to advanced patterns like Protocols, TypeGuards, and generics. Learn how static typing improves Python codebases.Wed, 15 Oct 2025 00:00:00 GMTPythonpythontype-hintsmypytypingclean-codehttps://code.furybee.org/articles/template-method-pattern/https://code.furybee.org/articles/template-method-pattern/The Template Method pattern defines the skeleton of an algorithm in a base class but lets subclasses override specific steps without changing the overall structure.Wed, 15 Oct 2025 00:00:00 GMTDesign Patternsdesign-patternstemplate-methodbehavioralframeworktypescriptpythonhttps://code.furybee.org/articles/command-pattern/https://code.furybee.org/articles/command-pattern/The Command pattern turns a request into a stand-alone object that contains all information about the request. Learn how this enables undo, queuing, and logging.Fri, 10 Oct 2025 00:00:00 GMTDesign Patternsdesign-patternscommandbehavioraltypescriptpythonhttps://code.furybee.org/articles/code-review-checklist/https://code.furybee.org/articles/code-review-checklist/A practical checklist for reviewing code effectively — what to look for, how to give constructive feedback, and common pitfalls to avoid.Sun, 05 Oct 2025 00:00:00 GMTBest Practicescode-reviewbest-practicesteamworkqualityclean-codehttps://code.furybee.org/articles/facade-pattern/https://code.furybee.org/articles/facade-pattern/The Facade pattern provides a simplified, high-level interface to a complex subsystem of classes. Learn how to hide complexity and decouple your code.Sun, 05 Oct 2025 00:00:00 GMTDesign Patternsdesign-patternsfacadearchitecturesimplicitytypescriptpythonhttps://code.furybee.org/articles/adapter-pattern/https://code.furybee.org/articles/adapter-pattern/Learn how the Adapter pattern acts as a bridge, allowing objects with incompatible interfaces to collaborate. A fundamental pattern for integrating new and legacy systems.Wed, 01 Oct 2025 00:00:00 GMTDesign Patternsdesign-patternsadapterintegrationtypescriptpythonhttps://code.furybee.org/articles/state-pattern/https://code.furybee.org/articles/state-pattern/Replace tangled if-else state management with the State pattern. Learn state transitions, finite state machines, and when to reach for libraries like XState.Sun, 28 Sep 2025 00:00:00 GMTDesign Patternsdesign-patternsstate-patternstate-machinetypescriptpythonhttps://code.furybee.org/articles/rest-api-design/https://code.furybee.org/articles/rest-api-design/Design APIs that developers love. Practical guidance on resource naming, status codes, pagination, versioning, error responses, and common pitfalls.Mon, 22 Sep 2025 00:00:00 GMTArchitectureapirestarchitecturehttpbest-practiceshttps://code.furybee.org/articles/hexagonal-architecture/https://code.furybee.org/articles/hexagonal-architecture/A practical guide to Hexagonal Architecture (Ports and Adapters), showing how to decouple your business logic from infrastructure with real TypeScript examples.Sat, 20 Sep 2025 00:00:00 GMTArchitecturearchitecturehexagonalports-adaptersclean-architecturetypescripthttps://code.furybee.org/articles/functional-programming-patterns/https://code.furybee.org/articles/functional-programming-patterns/Practical functional programming patterns — pure functions, immutability, pipe/compose, and more — applied to everyday TypeScript and Python code.Thu, 18 Sep 2025 00:00:00 GMTBest Practicesfunctional-programmingtypescriptpythonimmutabilitypure-functionsclean-codehttps://code.furybee.org/articles/logging-done-right/https://code.furybee.org/articles/logging-done-right/Most logging is useless noise. Learn structured logging, proper log levels, correlation IDs, and what you should never log — with practical TypeScript and Python examples.Mon, 15 Sep 2025 00:00:00 GMTBest Practicesloggingobservabilitybest-practicestypescriptpythonhttps://code.furybee.org/articles/database-migration-patterns/https://code.furybee.org/articles/database-migration-patterns/Schema changes don't have to mean downtime. Learn expand/contract migrations, backward-compatible changes, and zero-downtime deployment strategies.Mon, 08 Sep 2025 00:00:00 GMTArchitecturearchitecturedatabasemigrationsdeploymentzero-downtimehttps://code.furybee.org/articles/null-object-pattern/https://code.furybee.org/articles/null-object-pattern/Replace null checks with objects that do nothing gracefully. The Null Object pattern reduces branching, eliminates null pointer errors, and makes code cleaner.Mon, 01 Sep 2025 00:00:00 GMTDesign Patternsdesign-patternsnull-objecttypescriptpythonclean-codehttps://code.furybee.org/articles/builder-pattern/https://code.furybee.org/articles/builder-pattern/Build complex objects step by step with fluent APIs, type-safe builders, and validation. Learn when the Builder pattern shines and when it's overkill.Mon, 25 Aug 2025 00:00:00 GMTDesign Patternsdesign-patternsbuildertypescriptfluent-apiclean-codehttps://code.furybee.org/articles/cyclomatic-complexity/https://code.furybee.org/articles/cyclomatic-complexity/Learn what cyclomatic complexity is, why it matters, and practical techniques to reduce it. Includes real refactoring examples and tooling recommendations.Mon, 18 Aug 2025 00:00:00 GMTBest Practicescomplexityrefactoringcode-qualitymetricsbest-practiceshttps://code.furybee.org/articles/event-driven-architecture/https://code.furybee.org/articles/event-driven-architecture/Stop coupling your modules with direct calls. Learn how event emitters, message buses, and pub/sub patterns create truly decoupled systems that are easier to extend and maintain.Tue, 12 Aug 2025 00:00:00 GMTArchitecturearchitectureevent-drivenpub-subdecouplingtypescriptdesign-patternshttps://code.furybee.org/articles/open-closed-principle/https://code.furybee.org/articles/open-closed-principle/Software entities should be open for extension but closed for modification. Here's what that actually looks like in real code — with practical TypeScript and Python examples.Tue, 05 Aug 2025 00:00:00 GMTSOLIDsolidopen-closed-principledesign-patternstypescriptpythonhttps://code.furybee.org/articles/dependency-injection/https://code.furybee.org/articles/dependency-injection/Learn how to implement dependency injection manually using constructor injection in TypeScript and Python — no framework required.Sat, 02 Aug 2025 00:00:00 GMTDesign Patternsdependency-injectiontestingtypescriptpythondesign-patternsclean-codehttps://code.furybee.org/articles/immutability/https://code.furybee.org/articles/immutability/Const only prevents reassignment — it doesn't make your data immutable. Learn how to truly protect your data with Object.freeze, readonly types, and structural sharing.Fri, 01 Aug 2025 00:00:00 GMTBest Practicesimmutabilitytypescriptfunctional-programmingbest-practicesdata-structureshttps://code.furybee.org/articles/naming-things/https://code.furybee.org/articles/naming-things/Naming is the hardest problem in computer science. Learn practical strategies for naming variables, functions, and classes that make your code self-documenting.Thu, 10 Jul 2025 00:00:00 GMTBest Practicesnamingreadabilityclean-codebest-practicesrefactoringhttps://code.furybee.org/articles/solid-principles-explained/https://code.furybee.org/articles/solid-principles-explained/A comprehensive guide to the five SOLID principles with practical TypeScript examples that show how each principle improves your code.Sun, 15 Jun 2025 00:00:00 GMTSOLIDsolidprinciplestypescriptoopclean-codehttps://code.furybee.org/articles/guard-clauses/https://code.furybee.org/articles/guard-clauses/Flatten your code by replacing deeply nested conditionals with early returns. Guard clauses make the happy path obvious and errors impossible to miss.Tue, 10 Jun 2025 00:00:00 GMTRefactoringguard-clausesrefactoringreadabilityclean-codehttps://code.furybee.org/articles/clean-architecture-nodejs/https://code.furybee.org/articles/clean-architecture-nodejs/Apply Uncle Bob's Clean Architecture to Node.js applications with practical TypeScript examples showing layers, dependencies, and boundaries.Thu, 05 Jun 2025 00:00:00 GMTArchitectureclean-architecturenodejslayerstypescripthttps://code.furybee.org/articles/factory-pattern-typescript/https://code.furybee.org/articles/factory-pattern-typescript/Learn how to use the Factory pattern to create objects without exposing instantiation logic, with practical TypeScript examples.Sun, 01 Jun 2025 00:00:00 GMTDesign Patternsfactorydesign-patternstypescriptcreationalhttps://code.furybee.org/articles/extract-method/https://code.furybee.org/articles/extract-method/Master the Extract Method refactoring — the single most impactful technique for improving code readability and reducing complexity.Fri, 30 May 2025 00:00:00 GMTRefactoringextract-methodrefactoringreadabilityclean-codehttps://code.furybee.org/articles/writing-useful-tests/https://code.furybee.org/articles/writing-useful-tests/Not all tests are created equal. Learn to write tests that catch real bugs, serve as documentation, and don't break on every refactor.Sun, 25 May 2025 00:00:00 GMTTestingtestingunit-testsbest-practicesclean-codehttps://code.furybee.org/articles/dry-kiss-yagni/https://code.furybee.org/articles/dry-kiss-yagni/Master the three fundamental principles every developer should know: Don't Repeat Yourself, Keep It Simple Stupid, and You Aren't Gonna Need It.Tue, 20 May 2025 00:00:00 GMTPrinciplesdrykissyagniprinciplesclean-codehttps://code.furybee.org/articles/observer-pattern/https://code.furybee.org/articles/observer-pattern/A practical guide to the Observer pattern: implementing event-driven architectures with type-safe event emitters in TypeScript.Sat, 10 May 2025 00:00:00 GMTDesign Patternsobserverdesign-patternseventstypescripthttps://code.furybee.org/articles/god-class/https://code.furybee.org/articles/god-class/Recognize and dismantle God Classes — those massive classes that do everything and know everything — into focused, maintainable components.Mon, 05 May 2025 00:00:00 GMTCode Smellsgod-classcode-smellsrefactoringsrphttps://code.furybee.org/articles/strategy-pattern/https://code.furybee.org/articles/strategy-pattern/Replace complex if/else chains and switch statements with the Strategy pattern for more maintainable and extensible code.Fri, 25 Apr 2025 00:00:00 GMTDesign Patternsstrategydesign-patternsconditionalstypescripthttps://code.furybee.org/articles/tdd-in-practice/https://code.furybee.org/articles/tdd-in-practice/A practical walkthrough of Test-Driven Development building a shopping cart feature, showing the Red-Green-Refactor cycle in action.Sun, 20 Apr 2025 00:00:00 GMTTestingtddtestingred-green-refactortypescripthttps://code.furybee.org/articles/replace-conditional-polymorphism/https://code.furybee.org/articles/replace-conditional-polymorphism/Learn to transform complex conditional logic into clean polymorphic designs using TypeScript interfaces and classes.Tue, 15 Apr 2025 00:00:00 GMTRefactoringrefactoringpolymorphismconditionalstypescripthttps://code.furybee.org/articles/boy-scout-rule/https://code.furybee.org/articles/boy-scout-rule/How the simple practice of making small improvements every time you touch code leads to dramatically better codebases over time.Thu, 10 Apr 2025 00:00:00 GMTPrinciplesboy-scout-rulerefactoringclean-codeprincipleshttps://code.furybee.org/articles/feature-envy/https://code.furybee.org/articles/feature-envy/When a method is more interested in another class's data than its own, you have Feature Envy. Learn to spot it and move behavior where it belongs.Sat, 05 Apr 2025 00:00:00 GMTCode Smellsfeature-envycode-smellsrefactoringencapsulationhttps://code.furybee.org/articles/composition-over-inheritance/https://code.furybee.org/articles/composition-over-inheritance/Understanding why composition is often preferred over inheritance, with practical examples showing how to refactor class hierarchies into flexible, composable designs.Tue, 25 Mar 2025 00:00:00 GMTPrinciplescompositioninheritanceoopdesigntypescripthttps://code.furybee.org/articles/test-doubles/https://code.furybee.org/articles/test-doubles/Understand the differences between mocks, stubs, fakes, and spies — and when to use each for effective testing.Thu, 20 Mar 2025 00:00:00 GMTTestingtestingmocksstubsfakesspieshttps://code.furybee.org/articles/repository-pattern/https://code.furybee.org/articles/repository-pattern/Isolate your data access logic with the Repository pattern, making your application testable and database-agnostic.Sat, 15 Mar 2025 00:00:00 GMTDesign Patternsrepositorydesign-patternsdata-accesstypescriptarchitecturehttps://code.furybee.org/articles/introduce-parameter-object/https://code.furybee.org/articles/introduce-parameter-object/When functions have too many parameters, group them into meaningful objects. A simple refactoring that dramatically improves API design.Wed, 05 Mar 2025 00:00:00 GMTRefactoringrefactoringparameter-objectapi-designtypescripthttps://code.furybee.org/articles/decorator-pattern/https://code.furybee.org/articles/decorator-pattern/Learn to use the Decorator pattern to add responsibilities to objects dynamically, with TypeScript examples for logging, caching, and retry logic.Fri, 28 Feb 2025 00:00:00 GMTDesign Patternsdecoratordesign-patternstypescriptstructuralhttps://code.furybee.org/articles/integration-vs-unit-tests/https://code.furybee.org/articles/integration-vs-unit-tests/Understanding the tradeoffs between unit and integration tests, and how to build a testing strategy that catches bugs efficiently.Tue, 25 Feb 2025 00:00:00 GMTTestingtestingintegration-testsunit-testsstrategyhttps://code.furybee.org/articles/law-of-demeter/https://code.furybee.org/articles/law-of-demeter/How the Law of Demeter reduces coupling, makes code more testable, and why train wrecks like a.getB().getC().doThing() are a design smell.Tue, 18 Feb 2025 00:00:00 GMTPrincipleslaw-of-demetercouplingencapsulationclean-codehttps://code.furybee.org/articles/long-parameter-lists/https://code.furybee.org/articles/long-parameter-lists/Functions with too many parameters are hard to call, hard to test, and hard to maintain. Learn systematic approaches to taming them.Mon, 10 Feb 2025 00:00:00 GMTCode Smellscode-smellsparametersrefactoringapi-designhttps://code.furybee.org/articles/primitive-obsession/https://code.furybee.org/articles/primitive-obsession/Stop using primitive types for domain concepts. Learn how Value Objects and branded types catch bugs at compile time.Thu, 30 Jan 2025 00:00:00 GMTCode Smellsprimitive-obsessionvalue-objectstypescriptcode-smellshttps://code.furybee.org/articles/singleton-pattern/https://code.furybee.org/articles/singleton-pattern/The Singleton pattern is controversial. Learn when it's genuinely useful, when it's an anti-pattern, and better alternatives.Mon, 20 Jan 2025 00:00:00 GMTDesign Patternssingletondesign-patternsanti-patternstypescripthttps://code.furybee.org/articles/spaghetti-to-clean/https://code.furybee.org/articles/spaghetti-to-clean/Walk through a complete refactoring of a messy real-world function, applying clean code principles one step at a time.Wed, 15 Jan 2025 00:00:00 GMTRefactoringrefactoringstep-by-stepbefore-afterclean-code