fix: optimize service validation blink issue (#593)

Co-authored-by: Tisfeng <[email protected]>

Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/ServiceConfigurationSecretSectionView.swift

@@ -22,7 +22,10 @@ struct ServiceConfigurationSecretSectionView<Content: View>: View {
  ) {
  self.service = service
  self.content = content()
- self.viewModel = ServiceValidationViewModel(service: service, observing: observeKeys)
+ self._viewModel = StateObject(wrappedValue: ServiceValidationViewModel(
+ service: service,
+ observing: observeKeys
+ ))
  }
 
  // MARK: Internal
@@ -104,7 +107,7 @@ struct ServiceConfigurationSecretSectionView<Content: View>: View {
 
  // MARK: Private
 
- @ObservedObject private var viewModel: ServiceValidationViewModel
+ @StateObject private var viewModel: ServiceValidationViewModel
 }
 
 // MARK: - ServiceValidationViewModel
@@ -116,22 +119,22 @@ private class ServiceValidationViewModel: ObservableObject {
  init(service: QueryService, observing keys: [Defaults.Key<String?>]) {
  self.service = service
  self.name = service.name()
- cancellables.append(
-  // check secret key empty input
- Defaults.publisher(keys: keys)
-  .sink { [weak self] _ in
-  let hasEmptyInput = keys.contains(where: { (Defaults[$0] ?? "").isEmpty })
-  DispatchQueue.main.async {
-  self?.isValidateBtnDisabled = hasEmptyInput
-   }
- }
- )
- cancellables.append(
-  serviceUpdatePublisher
-  .sink { [weak self] notification in
-  self?.didReceive(notification)
-  }
- )
+ // check secret key empty input
+ Defaults.publisher(keys: keys)
+ .throttle(for: 0.5, scheduler: DispatchQueue.main, latest: true)
+ .receive(on: DispatchQueue.main)
+ .sink { [weak self] _ in
+ guard let self else { return }
+ let hasEmptyInput = keys.contains(where: { (Defaults[$0] ?? "").isEmpty })
+ guard isValidateBtnDisabled != hasEmptyInput else { return }
+ self.isValidateBtnDisabled = hasEmptyInput
+  }
+  .store(in: &cancellables)
+ serviceUpdatePublisher
+ .sink { [weak self] notification in
+ self?.didReceive(notification)
+ }
+  .store(in: &cancellables)
  }
 
  // MARK: Internal
@@ -142,7 +145,7 @@ private class ServiceValidationViewModel: ObservableObject {
  @Published var errorMessage = ""
  @Published var isValidateBtnDisabled = false
 
- var cancellables: [AnyCancellable] = []
+ var cancellables: Set<AnyCancellable> = []
 
  let service: QueryService