50 lines
1.4 KiB
Swift
50 lines
1.4 KiB
Swift
//
|
|
// FactsView.swift
|
|
// Facts
|
|
//
|
|
|
|
import SwiftUI
|
|
import Foundation
|
|
import ComposableArchitecture
|
|
|
|
/// A view that displays either a progress spinner, a list of cat facts provided by an underlying feature reducer, or
|
|
/// an error message, depending on the state. Supports pull-to-refresh.
|
|
public struct FactsView: View {
|
|
let store: StoreOf<FactsFeature>
|
|
|
|
public init(store: StoreOf<FactsFeature>) {
|
|
self.store = store
|
|
}
|
|
|
|
public var body: some View {
|
|
VStack {
|
|
switch store.state.mode {
|
|
case .notLoaded:
|
|
EmptyView()
|
|
case .loading:
|
|
ProgressView()
|
|
case let .loaded(facts):
|
|
List(facts, id: \.self) { fact in
|
|
Text(fact)
|
|
}
|
|
case let .error(error):
|
|
Text(error.localizedDescription)
|
|
}
|
|
}
|
|
.refreshable {
|
|
// Tie the lifecycle of the PTR to the effect.
|
|
// https://github.com/pointfreeco/swift-composable-architecture/discussions/2542
|
|
await Task { await store.send(.pulledToRefresh).finish() }.value
|
|
}
|
|
.onAppear {
|
|
store.send(.viewAppeared)
|
|
}
|
|
}
|
|
}
|
|
|
|
#Preview {
|
|
FactsView(store: .init(initialState: FactsFeature.State(mode: .loaded(facts: ["One", "Two", "Three"]))) {
|
|
FactsFeature()
|
|
})
|
|
}
|