73

0073-modular-state-management-view-state/PrimeTime/ComposableArchitecture/ComposableArchitecture.h

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+//
+//  ComposableArchitecture.h
+//  ComposableArchitecture
+//
+//  Created by Stephen Celis on 9/8/19.
+//  Copyright © 2019 Point-Free. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for ComposableArchitecture.
+FOUNDATION_EXPORT double ComposableArchitectureVersionNumber;
+
+//! Project version string for ComposableArchitecture.
+FOUNDATION_EXPORT const unsigned char ComposableArchitectureVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <ComposableArchitecture/PublicHeader.h>
+
+

0073-modular-state-management-view-state/PrimeTime/ComposableArchitecture/ComposableArchitecture.swift

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+import Combine
+import SwiftUI
+
+public final class Store<Value, Action>: ObservableObject {
+  private let reducer: (inout Value, Action) -> Void
+  @Published public private(set) var value: Value
+  private var cancellable: Cancellable?
+
+  public init(initialValue: Value, reducer: @escaping (inout Value, Action) -> Void) {
+    self.reducer = reducer
+    self.value = initialValue
+  }
+
+  public func send(_ action: Action) {
+    self.reducer(&self.value, action)
+  }
+
+  // ((Value) -> LocalValue) -> ((Store<Value, _>) -> Store<LocalValue, _>
+  // ((A) -> B) -> ((Store<A, _>) -> Store<B, _>
+  // map: ((A) -> B) -> ((F<A>) -> F<B>
+
+  func view<LocalValue>(
+    _ f: @escaping (Value) -> LocalValue
+  ) -> Store<LocalValue, Action> {
+    let localStore = Store<LocalValue, Action>(
+      initialValue: f(self.value),
+      reducer: { localValue, action in
+        self.send(action)
+        localValue = f(self.value)
+    }
+    )
+    localStore.cancellable = self.$value.sink { [weak localStore] newValue in
+      localStore?.value = f(newValue)
+    }
+    return localStore
+  }
+}
+
+
+func transform<A, B, Action>(
+  _ reducer: (A, Action) -> A,
+  _ f: (A) -> B
+) -> (B, Action) -> B {
+  fatalError()
+}
+
+
+public func combine<Value, Action>(
+  _ reducers: (inout Value, Action) -> Void...
+) -> (inout Value, Action) -> Void {
+  return { value, action in
+    for reducer in reducers {
+      reducer(&value, action)
+    }
+  }
+}
+
+public func pullback<LocalValue, GlobalValue, LocalAction, GlobalAction>(
+  _ reducer: @escaping (inout LocalValue, LocalAction) -> Void,
+  value: WritableKeyPath<GlobalValue, LocalValue>,
+  action: WritableKeyPath<GlobalAction, LocalAction?>
+) -> (inout GlobalValue, GlobalAction) -> Void {
+  return { globalValue, globalAction in
+    guard let localAction = globalAction[keyPath: action] else { return }
+    reducer(&globalValue[keyPath: value], localAction)
+  }
+}
+
+public func logging<Value, Action>(
+  _ reducer: @escaping (inout Value, Action) -> Void
+) -> (inout Value, Action) -> Void {
+  return { value, action in
+    reducer(&value, action)
+    print("Action: \(action)")
+    print("Value:")
+    dump(value)
+    print("---")
+  }
+}
+

0073-modular-state-management-view-state/PrimeTime/ComposableArchitecture/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+</dict>
+</plist>

0073-modular-state-management-view-state/PrimeTime/ComposableArchitectureTests/ComposableArchitectureTests.swift

@@ -0,0 +1,34 @@
+//
+//  ComposableArchitectureTests.swift
+//  ComposableArchitectureTests
+//
+//  Created by Stephen Celis on 9/8/19.
+//  Copyright © 2019 Point-Free. All rights reserved.
+//
+
+import XCTest
+@testable import ComposableArchitecture
+
+class ComposableArchitectureTests: XCTestCase {
+
+    override func setUp() {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDown() {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+
+    func testPerformanceExample() {
+        // This is an example of a performance test case.
+        self.measure {
+            // Put the code you want to measure the time of here.
+        }
+    }
+
+}

0073-modular-state-management-view-state/PrimeTime/ComposableArchitectureTests/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

0073-modular-state-management-view-state/PrimeTime/Counter/Counter.h

@@ -0,0 +1,19 @@
+//
+//  Counter.h
+//  Counter
+//
+//  Created by Stephen Celis on 9/8/19.
+//  Copyright © 2019 Point-Free. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for Counter.
+FOUNDATION_EXPORT double CounterVersionNumber;
+
+//! Project version string for Counter.
+FOUNDATION_EXPORT const unsigned char CounterVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <Counter/PublicHeader.h>
+
+

0073-modular-state-management-view-state/PrimeTime/Counter/Counter.swift

@@ -0,0 +1,15 @@
+
+public enum CounterAction {
+  case decrTapped
+  case incrTapped
+}
+
+public func counterReducer(state: inout Int, action: CounterAction) {
+  switch action {
+  case .decrTapped:
+    state -= 1
+
+  case .incrTapped:
+    state += 1
+  }
+}

0073-modular-state-management-view-state/PrimeTime/Counter/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+</dict>
+</plist>

0073-modular-state-management-view-state/PrimeTime/CounterTests/CounterTests.swift

@@ -0,0 +1,34 @@
+//
+//  CounterTests.swift
+//  CounterTests
+//
+//  Created by Stephen Celis on 9/8/19.
+//  Copyright © 2019 Point-Free. All rights reserved.
+//
+
+import XCTest
+@testable import Counter
+
+class CounterTests: XCTestCase {
+
+    override func setUp() {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDown() {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+
+    func testPerformanceExample() {
+        // This is an example of a performance test case.
+        self.measure {
+            // Put the code you want to measure the time of here.
+        }
+    }
+
+}

0073-modular-state-management-view-state/PrimeTime/CounterTests/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

0073-modular-state-management-view-state/PrimeTime/FavoritePrimes/FavoritePrimes.h

@@ -0,0 +1,19 @@
+//
+//  FavoritePrimes.h
+//  FavoritePrimes
+//
+//  Created by Stephen Celis on 9/8/19.
+//  Copyright © 2019 Point-Free. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for FavoritePrimes.
+FOUNDATION_EXPORT double FavoritePrimesVersionNumber;
+
+//! Project version string for FavoritePrimes.
+FOUNDATION_EXPORT const unsigned char FavoritePrimesVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <FavoritePrimes/PublicHeader.h>
+
+

0073-modular-state-management-view-state/PrimeTime/FavoritePrimes/FavoritePrimes.swift

@@ -0,0 +1,13 @@
+
+public enum FavoritePrimesAction {
+  case deleteFavoritePrimes(IndexSet)
+}
+
+public func favoritePrimesReducer(state: inout [Int], action: FavoritePrimesAction) {
+  switch action {
+  case let .deleteFavoritePrimes(indexSet):
+    for index in indexSet {
+      state.remove(at: index)
+    }
+  }
+}

0073-modular-state-management-view-state/PrimeTime/FavoritePrimes/Info.plist

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+</dict>
+</plist>

0073-modular-state-management-view-state/PrimeTime/FavoritePrimesTests/FavoritePrimesTests.swift

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+//
+//  FavoritePrimesTests.swift
+//  FavoritePrimesTests
+//
+//  Created by Stephen Celis on 9/8/19.
+//  Copyright © 2019 Point-Free. All rights reserved.
+//
+
+import XCTest
+@testable import FavoritePrimes
+
+class FavoritePrimesTests: XCTestCase {
+
+    override func setUp() {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDown() {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+
+    func testPerformanceExample() {
+        // This is an example of a performance test case.
+        self.measure {
+            // Put the code you want to measure the time of here.
+        }
+    }
+
+}