Dependency Injection in Swift using @propertyWrappers

Illustration from undraw.co

Dependency Injection (DI) is a technique whereby one object supplies the dependencies of another object.

Here is a very simple example. Instead of creating an instance of Repository inside of ViewModel ,

it receives that instance from outside.

So, Dependency Injection is a very powerful technique, which helps to design a more clean, loosely coupled code, and improves the testability of our code which will result in a more scalable and maintainable application.

At this moment, it’s uncommon for iOS applications to use DI, and many iOS developers do not even know what it is and what its…