Criteria to identify a LEO Any architecture who must say, “I am clean”, is no true clean. — Tywin Lannister Liskov Substitution Principle 99% of the things you want to do with inheritance can be done with composition so you should always favor composition over inheritance. This quote is from The “Real” Clean…

This is simply NOT how POP works None of this is new, it’s simply how Protocol-Oriented-Programming works. It is SO NOT how POP works Just saw this: Functional Dependency Injection in Swift POP does not require you to write a dumb shit protocol and a dumb shit object for every mock data. …

Where is protocol extension? SwiftUI, MVVM, and Protocol-Oriented-Programming are a perfect match… when done correctly. He did not do it correctly This is the top result when I searched “view model protocol is wrong”. Using View Model Protocols in SwiftUI? You’re Doing it Wrong. In which he painted a rosy picture where MVVM is so awesome…

The first step of a MVVM idiomatic solution: create a problem Saw this article on highlight: The Problems with Singletons and Why You Should Use DI Instead in which it outlines symptoms of a disease known as MVVM that has been plaguing and hindering the progress of Swift for years. Let’s see the problem he creates:

Your mission, should you choose to accept it We proved that this architecture is impossible to be implemented in SwiftUI due to its declarative nature relying totally on value types. …

It has never been about refactor Clean does not mean refactored, or even correct It means clickbait / buzzword, and some ritual you can join as part of the community; It becomes a social identity. Like Introducing MVVM into your SwiftUI project. This is another snippet pulled from the same official same app

Mastering the art of over-generalization The idiocracy If I tell people that I write MVC, people think I write massive view controller. But if I tell people I write clean architecture + MVVM + Coordinator…

There was nothing sane about MVVM. What happened there in SwiftUI, what happened after, even the good we did, all of it…all of it, madness. Let’s create a meltdown… I mean massive view controller Here’s what I’m going to do in this article. I’ll start by intentionally create a massive view controller in SwiftUI. Then I’ll show that it’s…

Leading the Swift revolution What is regular view controller? Writing view controller with some refactor skill and an emphasis on Swift language features. It is called “regular” to be distinguished from the “massive” view controller that every design pattern tries to fix. Why regular view controller? Every design pattern assumes you write dumb shit massive view controller. Being better…