development environment

App architecture

• MVVM(Model-View-ViewModel(State Holder))

implementation Rules

• ui layer

  • Allows preview by state by taking uiState as an argument
  • The file named ViewModel is a StateHolder.
  • If simple logic, Call Repository (Interface) directly from ViewModel.
  • Any work performed in a ViewModel should be main-safe—safe to call from the main thread.
  • use uistate
    • https://github.com/LeoAndo/ios-app-templates/blob/main/BasicApp/Views/Home/HomeUiState.swift
    • https://github.com/LeoAndo/ios-app-templates/blob/main/BasicApp/Views/Home/HomeViewModel.swift#L12
  • ViewModel used @MainActor because Fix below error Log

    Fix: [SwiftUI] Publishing changes from background threads is not allowed; make sure to publish values from the main thread (via operators like receive(on:)) on model updates.  
    

• domain layer

  • Pure Swift.
  • Any work performed in a usecase should be main-safe—safe to call from the main thread.

• data layer

  • Error handling and returning a custom Response object
  • Any work performed in a call local/remote data should be io thread.

• Features

  • UI
    • SwiftUI
    • AsyncImage
      • target of iOS 15+
  • DI
    • Resolver
  • Unit Test
    • It is being implemented.
  • Network
    • async /await
      • target of iOS 15+
    • Alamofire
  • local
    • It is being implemented.
  • Web API
    • (Unsplash)
  • app architecture
    • MVVM + SwiftUI

iPhone 13 Pro OS 15.2

refs

https://gist.github.com/ollieatkinson/322338df8a5220d649ac01ff11e7de12
https://github.com/Alamofire/Alamofire/blob/master/Source/HTTPMethod.swift