In my Swift 5 project I have this extension to pass an async function to Publisher.map: import Combine public extension Publisher { func asyncMap<T>( _ asyncFunc: @escaping (Output) async -> T ) ->…
Wondering if this is expected behaviour similar to how we cant set a different value within a variables willSet block. Is this due to race condition? @MainActor class Presenter { var cancellables: Set<AnyCancellable> = .init() @Published var state: State =…
I have a set up like this: class ViewModel: ObservableObject { @Published var data: [Int] = [] func fetchData() { someAPICall() { result in data = result // Assume 10 items get inserted here } } } I write a…
Hello everyone junior dev here, I fetch data from server in background thread and update ui in main thread, it works but i also have separate ui image loader from url here: extension UIImageView { func load(url: String) { guard…
I have a singleton data manager class with @Published high level models. I need to process these through a viewmodel class pass the simplified display models / properties back to the view. For the first time loading this works, but…
When a SwiftUI view has a complex logic, i like to employ an enum to represent it's state (often in a viewmodel/service). struct FooView { enum ProgressState { case idle case loading case completed(Model) case error var stateName: String {…
New to "PassthroughSubject" and I am trying to implement search using "PassthroughSubject". It worked fine but only issue being I was getting results for all the requests sent via search i.e. let's say I try "Hello" in search bar, search…
so i am kinda new to Combine and i am trying to do 2 network requests one after another. func fetchData2() { loading = true print("👻 fetchData") _ = userService.getToken() .receive(on: RunLoop.main) .map { $0 } .compactMap { self.userService.getBand(token: $0.access_token)…
I want to fire two publishers but second should only fire when first one is complete. I tried it with zip could not achieve it. Following is my code: let resetPasscodeConfirmationPublisher = authUseCase.resetPasscodeConfirmation(phoneNumber: phoneNumber, code: pincode, passcode: passcode) let getAuthTokenPublisher…
Swift beginner here. I am trying to create a reusable component that simply renders either a filled or empty systemImage circle based on a value stored in state. I've put together a reproduction example below. Right now it only appears…