The Composition Root Pattern in SwiftUI AppsEvery article in this series has ended with the same instruction: wire everything at the Composition Root. We've used it as the place where RemoteFeedRepository meets CachingFeedRepository, where UserJun 29 · 8 min readswiftuicentral.com
Snapshot Testing in SwiftUI: Catching Visual Regressions AutomaticallyUnit tests verify logic. UI tests verify user flows. But neither catches the moment a refactor silently shifts a layout, changes a font, or breaks a dark mode style. Snapshot testing fills that gap. OJun 29 · 7 min readswiftuicentral.com
Dependency Inversion in SwiftUI: Programming to ProtocolsOf all the SOLID principles, the Dependency Inversion Principle (DIP) is the one that most directly enables testability and long-term flexibility. Yet it's also the most commonly misunderstood. DIP stJun 29 · 7 min readswiftuicentral.com
Test-Driving a Cache Layer in SwiftUI In previous articles, we built a CachingFeedRepository by writing the implementation first and tests after. That works — but it leaves a subtle gap: the tests are shaped by the implementation you alreJun 22 · 8 min readswiftuicentral.com
Single Responsibility: Breaking Up Fat ViewModels in SwiftUIThe Single Responsibility Principle (SRP) states that a class should have one reason to change. It's the first letter of SOLID, and arguably the one most frequently violated in SwiftUI projects. The cMay 8 · 8 min readswiftuicentral.com
