Add Resin. Move to package manager file layout.

.gitignore

@@ -1,5 +1,18 @@
-.DS_Store
 /.build
 /Packages
 /*.xcodeproj
 xcuserdata/
+.build/
+.swiftpm/
+.hg
+.svn
+CVS
+
+.DS_Store
+Desktop.ini
+Thumbs.db
+ehthumbs.db
+*~
+.#*
+.*.swp
+.*.swo

Package.swift

@@ -5,22 +5,25 @@ import PackageDescription
 
 let package = Package(
     name: "Incremental",
+    platforms: [.iOS(.v12)],
     products: [
         // Products define the executables and libraries produced by a package, and make them visible to other packages.
         .library(
             name: "Incremental",
             targets: ["Incremental"]),
+        .library(name: "Resin",
+            targets: ["Resin"]),
     ],
-    dependencies: [
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
-    ],
+    dependencies: [],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "Incremental",
             dependencies: []),
+        .target(
+            name: "Resin",
+            dependencies: ["Incremental"]),
         .testTarget(
             name: "IncrementalTests",
             dependencies: ["Incremental"]),

SampleApp/SampleApp.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?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>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

SampleApp/SampleApp/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,98 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "83.5x83.5",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

SampleApp/SampleApp/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

SampleApp/SampleApp/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

SampleApp/SampleApp/Info.plist

@@ -0,0 +1,43 @@
+<?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>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

SampleApp/SampleApp/MainApp/AppCoordinator.swift

@@ -0,0 +1,67 @@
+import Resin
+import SafariServices
+import UIKit
+
+typealias AppEnvironment = (
+    userDefaults: UserDefaults,
+    loadStations: (@escaping (Result<StationsState, Error>) -> Void) -> Void
+)
+
+public final class AppCoordinator {
+    let presentationRouter: PresentationRouter<AppState>
+
+    let tabBarController: TabBarController
+
+    let store: Store<AppState>
+
+    public init() {
+        let store = RootStore(state: AppState())
+
+        let environment: AppEnvironment = (
+            userDefaults: .standard,
+            loadStations: dummyLoadStations
+        )
+
+        self.presentationRouter = PresentationRouter(store: store)
+
+        let parcels: [Parcel<AppState>] = [
+            mapAppStateParcel(),
+            makeUndergroundParcel(environment: environment).unfocused(by: \AppState.undergroundState),
+        ]
+
+        for p in parcels {
+            let delivery = p.build(store)
+            store.integrate(delivery: delivery)
+            presentationRouter.register(delivery: delivery)
+        }
+
+        store.addImplicitNavigationMiddleware()
+        store.addPresentationReducers()
+
+        self.store = store
+
+        tabBarController = presentationRouter.makeViewController(identifier: TabBarController.PresentationIdentifier().typeErased) as! TabBarController
+        tabBarController.presentationRouter = presentationRouter.typeErased
+        tabBarController.actionHandler = store
+    }
+}
+
+func mapAppStateParcel() -> Parcel<AppState> {
+    Parcel { store in
+        var delivery = Parcel<AppState>.Delivery()
+
+        delivery.middlewares = [
+            ForegroundDaemon(state: store.state.map { _ in ArbitraryState() }).unfocused(),
+        ]
+        delivery.reducers = [
+            SetTabReducer().typeErased,
+        ]
+
+        delivery.presentationRoutes = [
+            SFSafariViewController.presentationRoute.typeErased.unfocused(),
+            TabBarController.presentationRoute.typeErased,
+        ]
+
+        return delivery
+    }
+}

SampleApp/SampleApp/MainApp/AppDelegate.swift

@@ -0,0 +1,22 @@
+import Foundation
+import UIKit
+
+public final class AppDelegate: NSObject {
+    @objc public var window: UIWindow?
+
+    let appCoordinator = AppCoordinator()
+
+    public override init() {
+        super.init()
+    }
+}
+
+extension AppDelegate: UIApplicationDelegate {
+    public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool {
+        window = UIWindow(frame: UIScreen.main.bounds)
+        window!.rootViewController = appCoordinator.tabBarController
+        window!.makeKeyAndVisible()
+
+        return true
+    }
+}

SampleApp/SampleApp/MainApp/AppState.swift

@@ -0,0 +1,19 @@
+import Foundation
+import Resin
+
+public struct AppState: Equatable {
+    enum Tab: Int, Equatable {
+        case underground = 0
+        case ticket = 1
+    }
+
+    var counter: Int = 0
+
+    var undergroundState: UndergroundState = UndergroundState()
+
+    var modalStack: [AnyPresentationIdentifier] = []
+
+    var selectedTab: Tab = .underground
+}
+
+

SampleApp/SampleApp/MainApp/ForegroundDaemon.swift

@@ -0,0 +1,22 @@
+import Foundation
+import Incremental
+import Resin
+import UIKit
+
+final class ForegroundDaemon: Daemon<ArbitraryState> {
+    public override func observe(state: I<ArbitraryState>) -> Disposable? {
+        NotificationCenter.default.addObserver(
+            self,
+            selector: #selector(observe(note:)),
+            name: UIApplication.didBecomeActiveNotification,
+            object: nil
+        )
+
+        return nil
+    }
+
+    @objc
+    func observe(note: Notification) {
+        dispatch(LoadStationsAction())
+    }
+}

SampleApp/SampleApp/MainApp/SFSafariViewController+PresentationItem.swift

@@ -0,0 +1,18 @@
+import Resin
+import SafariServices
+
+extension SFSafariViewController {
+    public struct PresentationIdentifier: Resin.PresentationIdentifier {
+        public var url: URL
+
+        public init(url: URL) {
+            self.url = url
+        }
+    }
+
+    static var presentationRoute: PresentationRoute<PresentationIdentifier, ArbitraryState, SFSafariViewController> {
+        return PresentationRoute { identifier, _ in
+            SFSafariViewController(url: identifier.url)
+        }
+    }
+}