Essential changes for Xcode 11 beta4

Other Projects/2048 Game/SwiftUI2048/AppDelegate.swift

@@ -38,14 +38,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         gameLogic.newGame()
     }
     
-    override func buildCommands(with builder: UICommandBuilder) {
+    override func buildMenu(with builder: UIMenuBuilder) {
         builder.remove(menu: .edit)
         builder.remove(menu: .format)
         builder.remove(menu: .view)
         
         builder.replaceChildren(ofMenu: .file) { oldChildren in
             var newChildren = oldChildren
-            let newGameItem = UIMutableKeyCommand(input: "N",
+            let newGameItem = UIKeyCommand(input: "N",
                                                   modifierFlags: .command,
                                                   action: #selector(newGame(_:)))
             newGameItem.title = "New Game"

Other Projects/2048 Game/SwiftUI2048/Models/GameLogic.swift

@@ -21,7 +21,7 @@ final class GameLogic : BindableObject {
     
     typealias BlockMatrixType = BlockMatrix<IdentifiedBlock>
     
-    let didChange = PassthroughSubject<GameLogic, Never>()
+    let willChange = PassthroughSubject<GameLogic, Never>()
     
     fileprivate var _blockMatrix: BlockMatrixType!
     var blockMatrix: BlockMatrixType {
@@ -42,12 +42,12 @@ final class GameLogic : BindableObject {
         _blockMatrix = BlockMatrixType()
         generateNewBlocks()
         
-        didChange.send(self)
+        willChange.send(self)
     }
     
     func move(_ direction: Direction) {
         defer {
-            didChange.send(self)
+            willChange.send(self)
         }
         
         var moved = false
@@ -136,7 +136,7 @@ final class GameLogic : BindableObject {
         
         // Don't forget to sync data.
         defer {
-            didChange.send(self)
+            willChange.send(self)
         }
         
         // Place the first block.

Other Projects/Animating Views And Transitions/Complete/Landmarks/Landmarks/HikeView.swift

@@ -14,7 +14,7 @@ struct HikeView: View {
     var transition: AnyTransition {
         let insertion = AnyTransition.move(edge: .trailing)
             .combined(with: .opacity)
-        let removal = AnyTransition.scale()
+        let removal = AnyTransition.scale(scale: 0.0)
             .combined(with: .opacity)
         return .asymmetric(insertion: insertion, removal: removal)
     }

Other Projects/Animating Views And Transitions/Complete/Landmarks/Landmarks/Models/UserData.swift

@@ -9,17 +9,17 @@ import Combine
 import SwiftUI
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoritesOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     var landmarks = landmarkData {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Combine using GitHub API/SwiftUI-Combine-Example/FoundationExtensions.swift

@@ -40,7 +40,7 @@ extension Publisher {
 extension Publisher {
 
     static func empty() -> AnyPublisher<Output, Failure> {
-        return Publishers.Empty()
+        return Empty()
             .eraseToAnyPublisher()
     }
 
@@ -51,7 +51,7 @@ extension Publisher {
     }
 
     static func fail(_ error: Failure) -> AnyPublisher<Output, Failure> {
-        return Publishers.Fail(error: error)
+        return Fail(error: error)
             .eraseToAnyPublisher()
     }
 }

Other Projects/Combine using GitHub API/SwiftUI-Combine-Example/SearchUserViewModel.swift

@@ -2,17 +2,17 @@ import SwiftUI
 import Combine
 
 final class SearchUserViewModel: BindableObject {
-    var didChange = PassthroughSubject<SearchUserViewModel, Never>()
+    var willChange = PassthroughSubject<SearchUserViewModel, Never>()
 
     private(set) var users = [User]() {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     private(set) var userImages = [User: UIImage]() {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 

Other Projects/Composing Complex Interfaces/Complete/Landmarks/Landmarks/HikeView.swift

@@ -14,7 +14,7 @@ struct HikeView: View {
     var transition: AnyTransition {
         let insertion = AnyTransition.move(edge: .trailing)
             .combined(with: .opacity)
-        let removal = AnyTransition.scale()
+        let removal = AnyTransition.scale(scale: 0.0)
             .combined(with: .opacity)
         return .asymmetric(insertion: insertion, removal: removal)
     }

Other Projects/Composing Complex Interfaces/Complete/Landmarks/Landmarks/Models/UserData.swift

@@ -9,17 +9,17 @@ import Combine
 import SwiftUI
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoritesOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     var landmarks = landmarkData {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Currency-SwiftUI/Currency-SwiftUI/UserData.swift

@@ -52,26 +52,26 @@ struct UserDefaultValue<Value: Codable> {
 }
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     @UserDefaultValue(key: "allCurrencies", defaultValue: defaultCurrencies)
     var allCurrencies: [Currency] {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
     
     @UserDefaultValue(key: "baseCurrency", defaultValue: defaultCurrencies[0])
     var baseCurrency: Currency {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
     
     @UserDefaultValue(key: "userCurrency", defaultValue: defaultCurrencies)
     var userCurrency: [Currency] {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Drawing Paths And Shapes/Complete/Landmarks/Landmarks/Models/UserData.swift

@@ -9,17 +9,17 @@ import Combine
 import SwiftUI
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoritesOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     var landmarks = landmarkData {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Example To-Do App/SwiftUITodo/UserData.swift

@@ -15,12 +15,12 @@ private let defaultTasks: [Task] = [
 ]
 
 final class UserData: BindableObject {
-  let didChange = PassthroughSubject<UserData, Never>()
+  let willChange = PassthroughSubject<UserData, Never>()
 
   @UserDefaultValue(key: "Tasks", defaultValue: defaultTasks)
   var tasks: [Task] {
     didSet {
-      didChange.send(self)
+      willChange.send(self)
     }
   }
 }

Other Projects/Flux/SwiftUI-Flux/Store.swift

@@ -4,7 +4,7 @@ import Combine
 final class Store<State, Action>: BindableObject {
     typealias Reducer = (State, Action) -> State
 
-    let didChange = PassthroughSubject<State, Never>()
+    let willChange = PassthroughSubject<State, Never>()
 
     var state: State {
         lock.lock()
@@ -29,6 +29,6 @@ final class Store<State, Action>: BindableObject {
 
         lock.unlock()
 
-        didChange.send(newState)
+        willChange.send(newState)
     }
 }

Other Projects/GitHub Search/GitHubSearchWithSwiftUI/Extension/Publisher.Extension.swift

@@ -19,7 +19,7 @@ extension Publisher {
 extension Publisher {
 
     static func empty() -> AnyPublisher<Output, Failure> {
-        return Publishers.Empty()
+        return Empty()
             .eraseToAnyPublisher()
     }
 
@@ -30,7 +30,7 @@ extension Publisher {
     }
 
     static func fail(_ error: Failure) -> AnyPublisher<Output, Failure> {
-        return Publishers.Fail(error: error)
+        return Fail(error: error)
             .eraseToAnyPublisher()
     }
 }

Other Projects/GitHub Search/GitHubSearchWithSwiftUI/View/RepositoryListViewModel.swift

@@ -13,7 +13,7 @@ import SwiftUI
 final class RepositoryListViewModel: BindableObject {
     typealias SearchRepositories = (String) -> AnyPublisher<Result<[Repository], ErrorResponse>, Never>
 
-    let didChange: AnyPublisher<RepositoryListViewModel, Never>
+    let willChange: AnyPublisher<RepositoryListViewModel, Never>
     private let _didChange = PassthroughSubject<RepositoryListViewModel, Never>()
 
     private let _searchWithQuery = PassthroughSubject<String, Never>()
@@ -34,7 +34,7 @@ final class RepositoryListViewModel: BindableObject {
     init<S: Scheduler>(searchRepositories: @escaping SearchRepositories = RepositoryAPI.search,
                        mainScheduler: S) {
 
-        self.didChange = _didChange.eraseToAnyPublisher()
+        self.willChange = _didChange.eraseToAnyPublisher()
 
         let response = _searchWithQuery
             .filter { !$0.isEmpty }

Other Projects/Handling User Input/Complete/Landmarks/Landmarks/Models/UserData.swift

@@ -9,17 +9,17 @@ import Combine
 import SwiftUI
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoritesOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     var landmarks = landmarkData {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Interfacing With UIKit/Complete/Landmarks/Landmarks/HikeView.swift

@@ -14,7 +14,7 @@ struct HikeView: View {
     var transition: AnyTransition {
         let insertion = AnyTransition.move(edge: .trailing)
             .combined(with: .opacity)
-        let removal = AnyTransition.scale()
+        let removal = AnyTransition.scale(scale: 0.0)
             .combined(with: .opacity)
         return .asymmetric(insertion: insertion, removal: removal)
     }

Other Projects/Interfacing With UIKit/Complete/Landmarks/Landmarks/Models/UserData.swift

@@ -9,17 +9,17 @@ import Combine
 import SwiftUI
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoritesOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     var landmarks = landmarkData {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Movie/MovieSwift/MovieSwift/flux/state/AppState.swift

@@ -11,7 +11,7 @@ import SwiftUI
 import Combine
 
 final class AppState: BindableObject {
-    var didChange = PassthroughSubject<AppState, Never>()
+    var willChange = PassthroughSubject<AppState, Never>()
     
     var moviesState: MoviesState
     
@@ -22,7 +22,7 @@ final class AppState: BindableObject {
     func dispatch(action: Action) {
         moviesState = MoviesStateReducer().reduce(state: moviesState, action: action)
         DispatchQueue.main.async {
-            self.didChange.send(self)
+            self.willChange.send(self)
         }
     }
 }

Other Projects/SwiftUI + Redux/SwiftUIDemo/flux/states/AppState.swift

@@ -11,7 +11,7 @@ import SwiftUI
 import Combine
 
 final class AppState: BindableObject {
-    var didChange = PassthroughSubject<AppState, Never>()
+    var willChange = PassthroughSubject<AppState, Never>()
     
     var usersState: UsersState
     
@@ -21,7 +21,7 @@ final class AppState: BindableObject {
     
     func dispatch(action: Action) {
         usersState = UserStateReducer().reduce(state: usersState, action: action)
-        didChange.send(self)
+        willChange.send(self)
     }
 }
 

Other Projects/Time Travel/SwiftUITimeTravel/TimeTravelView/Store.swift

@@ -6,7 +6,7 @@ public final class Store<StateType>: BindableObject where StateType: StateMachin
     private let initialState: StateType
     private var subsequentStates: [StateType] = []
 
-    public let didChange = PassthroughSubject<Void, Never>()
+    public let willChange = PassthroughSubject<Void, Never>()
     
     public init(state: StateType) {
         initialState = state
@@ -23,7 +23,7 @@ public final class Store<StateType>: BindableObject where StateType: StateMachin
     var currentStateIndex: Int = 0 {
         didSet {
             withAnimation {
-                didChange.send(())
+                willChange.send(())
             }
         }
     }

Other Projects/UINote/SwiftUINote/Models/UserData.swift

@@ -10,11 +10,11 @@ import SwiftUI
 import Combine
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var notes = NoteData.shared.notes {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
             NoteData.shared.notes = notes
         }
     }

Other Projects/WWDCPlayer/WWDCPlayer/Model/UserData.swift

@@ -9,23 +9,23 @@ import SwiftUI
 import Combine
 
 final class UserData: BindableObject  {
-    let didChange = PassthroughSubject<UserData, Never>()
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoriteOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
     
     var videos = videoList {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
     
     var currentVideo = videoList[0] {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }

Other Projects/Working With UIControls/Complete/Landmarks/Landmarks/HikeView.swift

@@ -14,7 +14,7 @@ struct HikeView: View {
     var transition: AnyTransition {
         let insertion = AnyTransition.move(edge: .trailing)
             .combined(with: .opacity)
-        let removal = AnyTransition.scale()
+        let removal = AnyTransition.scale(scale: 0.0)
             .combined(with: .opacity)
         return .asymmetric(insertion: insertion, removal: removal)
     }

Other Projects/Working With UIControls/Complete/Landmarks/Landmarks/Models/UserData.swift

@@ -9,17 +9,18 @@ import Combine
 import SwiftUI
 
 final class UserData: BindableObject {
-    let didChange = PassthroughSubject<UserData, Never>()
+
+    let willChange = PassthroughSubject<UserData, Never>()
     
     var showFavoritesOnly = false {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 
     var landmarks = landmarkData {
         didSet {
-            didChange.send(self)
+            willChange.send(self)
         }
     }
 }