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Fix builds, tests, warnings and run swift-format
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196 changes: 98 additions & 98 deletions
196
Sources/ComposableArchitecture/SwiftUI/IfLetStore.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,112 +1,112 @@ | ||
| #if canImport(SwiftUI) | ||
| import SwiftUI | ||
| import SwiftUI | ||
|
|
||
| /// A view that safely unwraps a store of optional state in order to show one of two views. | ||
| /// | ||
| /// When the underlying state is non-`nil`, the `then` closure will be performed with a ``Store`` | ||
| /// that holds onto non-optional state, and otherwise the `else` closure will be performed. | ||
| /// | ||
| /// This is useful for deciding between two views to show depending on an optional piece of state: | ||
| /// | ||
| /// ```swift | ||
| /// IfLetStore( | ||
| /// store.scope(state: \SearchState.results, action: SearchAction.results), | ||
| /// ) { | ||
| /// SearchResultsView(store: $0) | ||
| /// } else: { | ||
| /// Text("Loading search results...") | ||
| /// } | ||
| /// ``` | ||
| /// | ||
| /// And for showing a sheet when a piece of state becomes non-`nil`: | ||
| /// | ||
| /// ```swift | ||
| /// .sheet( | ||
| /// isPresented: viewStore.binding( | ||
| /// get: \.isGameActive, | ||
| /// send: { $0 ? .startButtonTapped : .detailDismissed } | ||
| /// ) | ||
| /// ) { | ||
| /// IfLetStore( | ||
| /// self.store.scope(state: \.detail, action: AppAction.detail) | ||
| /// ) { | ||
| /// DetailView(store: $0) | ||
| /// } | ||
| /// } | ||
| /// ``` | ||
| /// | ||
| /// A view that safely unwraps a store of optional state in order to show one of two views. | ||
| /// | ||
| /// When the underlying state is non-`nil`, the `then` closure will be performed with a ``Store`` | ||
| /// that holds onto non-optional state, and otherwise the `else` closure will be performed. | ||
| /// | ||
| /// This is useful for deciding between two views to show depending on an optional piece of state: | ||
| /// | ||
| /// ```swift | ||
| /// IfLetStore( | ||
| /// store.scope(state: \SearchState.results, action: SearchAction.results), | ||
| /// ) { | ||
| /// SearchResultsView(store: $0) | ||
| /// } else: { | ||
| /// Text("Loading search results...") | ||
| /// } | ||
| /// ``` | ||
| /// | ||
| /// And for showing a sheet when a piece of state becomes non-`nil`: | ||
| /// | ||
| /// ```swift | ||
| /// .sheet( | ||
| /// isPresented: viewStore.binding( | ||
| /// get: \.isGameActive, | ||
| /// send: { $0 ? .startButtonTapped : .detailDismissed } | ||
| /// ) | ||
| /// ) { | ||
| /// IfLetStore( | ||
| /// self.store.scope(state: \.detail, action: AppAction.detail) | ||
| /// ) { | ||
| /// DetailView(store: $0) | ||
| /// } | ||
| /// } | ||
| /// ``` | ||
| /// | ||
| public struct IfLetStore<State, Action, Content>: View where Content: View { | ||
| private let content: (ViewStore<State?, Action>) -> Content | ||
| private let store: Store<State?, Action> | ||
| private let content: (ViewStore<State?, Action>) -> Content | ||
| private let store: Store<State?, Action> | ||
|
|
||
| /// Initializes an ``IfLetStore`` view that computes content depending on if a store of optional | ||
| /// state is `nil` or non-`nil`. | ||
| /// | ||
| /// - Parameters: | ||
| /// - store: A store of optional state. | ||
| /// - ifContent: A function that is given a store of non-optional state and returns a view that | ||
| /// is visible only when the optional state is non-`nil`. | ||
| /// - elseContent: A view that is only visible when the optional state is `nil`. | ||
| public init<IfContent, ElseContent>( | ||
| _ store: Store<State?, Action>, | ||
| @ViewBuilder then ifContent: @escaping (Store<State, Action>) -> IfContent, | ||
| @ViewBuilder else elseContent: () -> ElseContent | ||
| ) where Content == _ConditionalContent<IfContent, ElseContent> { | ||
| self.store = store | ||
| let elseContent = elseContent() | ||
| self.content = { viewStore in | ||
| if var state = viewStore.state { | ||
| return ViewBuilder.buildEither( | ||
| first: ifContent( | ||
| /// Initializes an ``IfLetStore`` view that computes content depending on if a store of optional | ||
| /// state is `nil` or non-`nil`. | ||
| /// | ||
| /// - Parameters: | ||
| /// - store: A store of optional state. | ||
| /// - ifContent: A function that is given a store of non-optional state and returns a view that | ||
| /// is visible only when the optional state is non-`nil`. | ||
| /// - elseContent: A view that is only visible when the optional state is `nil`. | ||
| public init<IfContent, ElseContent>( | ||
| _ store: Store<State?, Action>, | ||
| @ViewBuilder then ifContent: @escaping (Store<State, Action>) -> IfContent, | ||
| @ViewBuilder else elseContent: () -> ElseContent | ||
| ) where Content == _ConditionalContent<IfContent, ElseContent> { | ||
| self.store = store | ||
| let elseContent = elseContent() | ||
| self.content = { viewStore in | ||
| if var state = viewStore.state { | ||
| return ViewBuilder.buildEither( | ||
| first: ifContent( | ||
| store | ||
| .filter { state, _ in state == nil ? !BindingLocal.isActive : true } | ||
| .scope { | ||
| state = $0 ?? state | ||
| return state | ||
| } | ||
| ) | ||
| ) | ||
| } else { | ||
| return ViewBuilder.buildEither(second: elseContent) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// Initializes an ``IfLetStore`` view that computes content depending on if a store of optional | ||
| /// state is `nil` or non-`nil`. | ||
| /// | ||
| /// - Parameters: | ||
| /// - store: A store of optional state. | ||
| /// - ifContent: A function that is given a store of non-optional state and returns a view that | ||
| /// is visible only when the optional state is non-`nil`. | ||
| public init<IfContent>( | ||
| _ store: Store<State?, Action>, | ||
| @ViewBuilder then ifContent: @escaping (Store<State, Action>) -> IfContent | ||
| ) where Content == IfContent? { | ||
| self.store = store | ||
| self.content = { viewStore in | ||
| if var state = viewStore.state { | ||
| return ifContent( | ||
| store | ||
| .filter { state, _ in state == nil ? !BindingLocal.isActive : true } | ||
| .scope { | ||
| state = $0 ?? state | ||
| return state | ||
| } | ||
| state = $0 ?? state | ||
| return state | ||
| } | ||
| ) | ||
| ) | ||
| } else { | ||
| return ViewBuilder.buildEither(second: elseContent) | ||
| } else { | ||
| return nil | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// Initializes an ``IfLetStore`` view that computes content depending on if a store of optional | ||
| /// state is `nil` or non-`nil`. | ||
| /// | ||
| /// - Parameters: | ||
| /// - store: A store of optional state. | ||
| /// - ifContent: A function that is given a store of non-optional state and returns a view that | ||
| /// is visible only when the optional state is non-`nil`. | ||
| public init<IfContent>( | ||
| _ store: Store<State?, Action>, | ||
| @ViewBuilder then ifContent: @escaping (Store<State, Action>) -> IfContent | ||
| ) where Content == IfContent? { | ||
| self.store = store | ||
| self.content = { viewStore in | ||
| if var state = viewStore.state { | ||
| return ifContent( | ||
| store | ||
| .filter { state, _ in state == nil ? !BindingLocal.isActive : true } | ||
| .scope { | ||
| state = $0 ?? state | ||
| return state | ||
| } | ||
| ) | ||
| } else { | ||
| return nil | ||
| } | ||
| public var body: some View { | ||
| WithViewStore( | ||
| self.store, | ||
| observe: { $0 }, | ||
| removeDuplicates: { ($0 != nil) == ($1 != nil) }, | ||
| content: self.content | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| public var body: some View { | ||
| WithViewStore( | ||
| self.store, | ||
| observe: { $0 }, | ||
| removeDuplicates: { ($0 != nil) == ($1 != nil) }, | ||
| content: self.content | ||
| ) | ||
| } | ||
| } | ||
| #endif |
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