An interface is a structure that defines the contract in your application. Classes that are derived from an interface must follow the structure provided by their interface. An interface is defined with the keyword interface and it can include properties and method declarations:
There are mixed feelings about using a dynamically typed language like JavaScript when building larger applications. Im not here to fight for JavaScript over Typescript. I will though illustrate how we can write JavaScript in combination with Typescript to assist us in doing this
Both BDD and TDD refer to the methods of software development. Behavior-driven development (BDD) builds on a common understanding of the application using natural language statements.
When we want to cleanly develop and test out application, we would like to include as much of the graphical user interface. It is essential for us to extract all logic that we intend testing from the view layer. This logic will preferably would need to be refactored to a view model which can be tested and developed in isolation
EnvironmentObject is useful when you want to create a dependency in a higher component of the layout tree and use it on a lower component without having to pass it down the tree through every child component.
