Code QuizAdvanced

Loading, Error, and Empty States

Spot the bug in a view model that tracks loading, error, and empty UI states.

Codeswift

@MainActor
class FeedViewModel: ObservableObject {
    @Published var items: [Post] = []
    @Published var isLoading = false
    @Published var errorMessage: String?

    func load() async {
        isLoading = true
        errorMessage = nil
        do {
            let (data, _) = try await URLSession.shared.data(from: feedURL)
            items = try JSONDecoder().decode([Post].self, from: data)
            isLoading = false
        } catch {
            errorMessage = error.localizedDescription
        }
    }
}

What is the bug in this view model's state handling?

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