Rxswift Map and Zip not Called - swift

Question

I am trying to get the element of 2 observables produced asynchronously and pass them as parameters to a function once both are received.
However my map operator in my ViewModel below is not executed and the breakpoint just skips over it.
ViewModel.swift
init(api: ApiService) {
self.api = api
}
func getData1() -> Observable<Data1> {
return api.getData1()
}
func getData2() -> Observable<NewViewModel> {
return Observable.create { observer in
let disposable = Disposables.create()
self.api.getData2()
.map {
$0.arrayOfStuff.forEach { (stuff) in
let background = stuff.background
let newViewModel = NewViewModel( background: self.spotlightBackground)
observor.onNext(newViewModel)
}
return disposable
}
}
In my ViewController i am creating the Zip of the observables because newViewModel[getData2] may return later and i want to call the function when both observables emit a value
in my viewDidLoad() i setup zip by subscribing and adding observables
let zippy = Observable.zip(viewModel.getData1(), viewModel.getData2()).subscribe(onNext: { (data1, newViewModel) in
self.layoutSetUp(data1: data1, newViewModel: newViewModel)
})
zippy.disposed(by: disposeBag)
private func layoutSetUp(data1: Data1, newViewModel: NewViewModel) {
DispatchQueue.main.async {
self.view = SwiftUIHostingView(rootView: SwiftUIContentView(data1: data1, newViewModel: newViewModel))
}
}
This is not executing and no values are passed to function either and im not sure why

Answer 1

Your getData2 method never emits a value so neither will the zip. The code in the method is a bit too muddled for me to understand what you are trying to do so I can't tell you exactly what you need, but I can say that when you have an observable that nothing is subscribed to, then it will not emit a value.
This bit:
self.api.getData2()
.map {
$0.arrayOfStuff.forEach { (stuff) in
let background = stuff.background
let newViewModel = NewViewModel(background: self.spotlightBackground)
observor.onNext(newViewModel)
}
return disposable
}
Is an observable with no subscribers.