UINavigationController vs Coordinator pattern
Proof of concept of Coordinator pattern ([1], [2], [3]) usage with UINavigationController and iOS 13 interactive modal transition.
Before adopting Coordinator pattern consider another approach of using UIViewController as if it was a coordinator https://github.com/insidegui/mvcwithsugar.
TestCoordinators is available under the MIT license. See the LICENSE file for more info.