Update templates: remove iOS 14 availability checks and stateActions + reducer.
This commit is contained in:
committed by
Stefan Ceriu
parent
008c1f9b68
commit
2436570d96
@@ -29,7 +29,6 @@ import Combine
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/// A similar approach is taken in libraries like [CombineFeedback](https://github.com/sergdort/CombineFeedback).
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/// It provides a nice layer of consistency and also safety. As we are not passing the `ViewModel` to the view directly, shortcuts/hacks
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/// can't be made into the `ViewModel`.
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@available(iOS 14, *)
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@dynamicMemberLookup
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class ViewModelContext<ViewState: BindableState, ViewAction>: ObservableObject {
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// MARK: - Properties
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@@ -65,14 +64,13 @@ class ViewModelContext<ViewState: BindableState, ViewAction>: ObservableObject {
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}
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}
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/// A common ViewModel implementation for handling of `State`, `StateAction`s and `ViewAction`s
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/// A common ViewModel implementation for handling of `State` and `ViewAction`s
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///
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/// Generic type State is constrained to the BindableState protocol in that it may contain (but doesn't have to)
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/// a specific portion of state that can be safely bound to.
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/// If we decide to add more features to our state management (like doing state processing off the main thread)
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/// we can do it in this centralised place.
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@available(iOS 14, *)
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class StateStoreViewModel<State: BindableState, StateAction, ViewAction> {
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class StateStoreViewModel<State: BindableState, ViewAction> {
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typealias Context = ViewModelContext<State, ViewAction>
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@@ -104,34 +102,6 @@ class StateStoreViewModel<State: BindableState, StateAction, ViewAction> {
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.store(in: &cancellables)
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}
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/// Send state actions to modify the state within the reducer.
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/// - Parameter action: The state action to send to the reducer.
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@available(*, deprecated, message: "Mutate state directly instead")
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func dispatch(action: StateAction) {
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Self.reducer(state: &context.viewState, action: action)
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}
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/// Send state actions from a publisher to modify the state within the reducer.
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/// - Parameter actionPublisher: The publisher that produces actions to be sent to the reducer
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@available(*, deprecated, message: "Mutate state directly instead")
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func dispatch(actionPublisher: AnyPublisher<StateAction, Never>) {
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actionPublisher.sink { [weak self] action in
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guard let self = self else { return }
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Self.reducer(state: &self.context.viewState, action: action)
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}
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.store(in: &cancellables)
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}
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/// Override to handle mutations to the `State`
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///
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/// A redux style reducer, all modifications to state happen here.
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/// - Parameters:
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/// - state: The `inout` state to be modified,
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/// - action: The action that defines which state modification should take place.
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class func reducer(state: inout State, action: StateAction) {
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// Default implementation, -no-op
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}
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/// Override to handles incoming `ViewAction`s from the `ViewModel`.
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/// - Parameter viewAction: The `ViewAction` to be processed in `ViewModel` implementation.
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func process(viewAction: ViewAction) {
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@@ -17,11 +17,9 @@
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import SwiftUI
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import Combine
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@available(iOS 14, *)
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typealias HomeScreenViewModelType = StateStoreViewModel<HomeScreenViewState,
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Never,
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HomeScreenViewAction>
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@available(iOS 14, *)
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class HomeScreenViewModel: HomeScreenViewModelType, HomeScreenViewModelProtocol {
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private let attributedStringBuilder: AttributedStringBuilderProtocol
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@@ -16,11 +16,9 @@
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import SwiftUI
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@available(iOS 14, *)
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typealias LoginScreenViewModelType = StateStoreViewModel<LoginScreenViewState,
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Never,
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LoginScreenViewAction>
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@available(iOS 14, *)
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class LoginScreenViewModel: LoginScreenViewModelType, LoginScreenViewModelProtocol {
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// MARK: - Properties
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@@ -17,8 +17,6 @@
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import Foundation
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protocol LoginScreenViewModelProtocol {
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var completion: ((LoginScreenViewModelResult) -> Void)? { get set }
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@available(iOS 14, *)
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var context: LoginScreenViewModelType.Context { get }
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}
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@@ -16,11 +16,9 @@
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import SwiftUI
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@available(iOS 14, *)
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typealias RoomScreenViewModelType = StateStoreViewModel<RoomScreenViewState,
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Never,
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RoomScreenViewAction>
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@available(iOS 14, *)
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class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol {
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private struct Constants {
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@@ -16,11 +16,9 @@
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import SwiftUI
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@available(iOS 14, *)
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typealias TemplateSimpleScreenViewModelType = StateStoreViewModel<TemplateSimpleScreenViewState,
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Never,
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TemplateSimpleScreenViewAction>
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@available(iOS 14, *)
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class TemplateSimpleScreenViewModel: TemplateSimpleScreenViewModelType, TemplateSimpleScreenViewModelProtocol {
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// MARK: - Properties
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@@ -17,8 +17,6 @@
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import Foundation
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protocol TemplateSimpleScreenViewModelProtocol {
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var completion: ((TemplateSimpleScreenViewModelResult) -> Void)? { get set }
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@available(iOS 14, *)
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var context: TemplateSimpleScreenViewModelType.Context { get }
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}
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