format

Author: Alex Usbergo

demo/src/AppDelegate.swift

@@ -1,17 +1,21 @@
-import UIKit
 import RenderInspector
 import RenderNeutrino
+import UIKit
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
   var window: UIWindow?
-  func application(_ application: UIApplication, didFinishLaunchingWithOptions
-                   launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+
+  func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions
+      launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+  ) -> Bool {
     // Starts the inspector in debug mode.
-//    #if DEBUG
-//    startRenderInspectorServer()
-//    #endif
+    //    #if DEBUG
+    //    startRenderInspectorServer()
+    //    #endif
     // Parse the stylesheet file.
     do {
       try UIStylesheetManager.default.load(file: "stylesheet")

demo/src/components/AppStoreEntry.swift

@@ -1,7 +1,7 @@
-import UIKit
 import RenderNeutrino
+import UIKit
 
-struct AppStoreEntry {
+enum AppStoreEntry {
 
   class State: UIState {
     var expanded: Bool = false
@@ -29,7 +29,7 @@ struct AppStoreEntry {
             makeLabel(
               text: "\(props.title)#\(state.counter)",
               layoutSpec: configureLabel),
-            ]),
+          ]),
           // Entry description (shown when the component is expanded).
           UINode<UIView>(layoutSpec: configureDescriptionContainer).children([
             makeLabel(
@@ -38,23 +38,23 @@ struct AppStoreEntry {
             makeButton(
               text: "Increase",
               onTouchUpInside: { [weak self] in self?.onIncrease() })
-            ]),
+          ]),
           // Touch overlay that covers the whole component.
           makeTapRecognizer(
             onTouchUpInside: { [weak self] in self?.onToggleExpand() },
             layoutSpec: configureTappableView),
-          ])
+        ]),
       ])
     }
 
     // Executed when the card is tapped.
-    private func onToggleExpand() -> Void {
+    private func onToggleExpand() {
       state.expanded = !state.expanded
       setNeedsRender(options: [.animateLayoutChanges(animator: self.defaultAnimator())])
     }
 
     // Executed when the 'Increase' button is tapped.
-    private func onIncrease() -> Void {
+    private func onIncrease() {
       state.counter += 1
       setNeedsRender()
     }
@@ -120,8 +120,7 @@ struct AppStoreEntry {
 
     // The main title.
     private func configureLabel(spec: UINode<UILabel>.LayoutSpec) {
-      let font: UIFont = state.expanded ?
-        S.typography.mediumBold.font : S.typography.medium.font
+      let font: UIFont = state.expanded ? S.typography.mediumBold.font : S.typography.medium.font
       spec.set(\UILabel.yoga.height, 32)
       spec.set(\UILabel.yoga.width, 256)
       spec.set(\UILabel.font, font)
@@ -176,7 +175,7 @@ fileprivate func makeLabel(
 fileprivate func makeButton(
   reuseIdentifier: String = "button",
   text: String,
-  onTouchUpInside: @escaping () -> Void = { },
+  onTouchUpInside: @escaping () -> Void = {},
   layoutSpec: UINode<UIButton>.LayoutSpecClosure? = nil
 ) -> UINode<UIButton> {
   func makeButton() -> UIButton {
@@ -197,9 +196,9 @@ fileprivate func makeButton(
 
 fileprivate func makeTapRecognizer(
   reuseIdentifier: String = "tapRecognizer",
-  onTouchUpInside: @escaping () -> Void = { },
+  onTouchUpInside: @escaping () -> Void = {},
   layoutSpec: UINode<UIView>.LayoutSpecClosure? = nil
-)->UINode<UIView> {
+) -> UINode<UIView> {
   return UINode<UIView>(reuseIdentifier: reuseIdentifier) { config in
     config.view.onTap { _ in onTouchUpInside() }
     layoutSpec?(config)

demo/src/components/Counter.swift

@@ -1,8 +1,7 @@
-import UIKit
 import RenderNeutrino
+import UIKit
 
-
-struct StylesheetCounter {
+enum StylesheetCounter {
 
   class State: UIState {
     var counter: Int = 0
@@ -11,12 +10,12 @@ struct StylesheetCounter {
 
   class Component: UIComponent<State, UINilProps> {
     override func render(context: UIContextProtocol) -> UINodeProtocol {
-      let node =  UINode<UIView>(styles: [S.counterWrapper])
+      let node = UINode<UIView>(styles: [S.counterWrapper])
       return node.children([
         UINode<UILabel>(styles: [S.counterLabel], layoutSpec: configureLabel),
         UINode<UIButton>(
           styles: [S.counterButton],
-          layoutSpec: configureButton)
+          layoutSpec: configureButton),
       ])
     }
 

demo/src/components/CustomNavigationBar.swift

@@ -1,6 +1,6 @@
 import RenderNeutrino
 
-struct Track {
+enum Track {
 
   class NavigationBar: UINavigationBarComponent {
     // Example of additional payload.
@@ -32,8 +32,7 @@ struct Track {
         spec.view.yoga.width = s
         spec.view.yoga.height = s
         spec.view.cornerRadius = s/2
-        spec.view.alpha =
-          pow(self.props.scrollProgress(currentHeight: self.state.height), 4)
+        spec.view.alpha = pow(self.props.scrollProgress(currentHeight: self.state.height), 4)
 
         // The mm:ss format string.
         guard let userInfo = self.props.userInfo(as: UserInfo.self) else { return }
@@ -47,7 +46,7 @@ struct Track {
       let button = UINode<UIButton>(styles: [S.trackNavigationBarButton]) { spec in
         spec.view.yoga.position = .absolute
         spec.view.yoga.top = self.state.height - 16
-        spec.view.onTap { [weak self] _ in  self?.didTapPlayButton() }
+        spec.view.onTap { [weak self] _ in self?.didTapPlayButton() }
 
         // Button label.
         guard let userInfo = self.props.userInfo(as: UserInfo.self) else { return }
@@ -56,7 +55,7 @@ struct Track {
       }
       return main.children([
         circle,
-        button
+        button,
       ])
     }
 
@@ -75,10 +74,11 @@ struct Track {
         return
       }
       // Schedule a timer.
-      userInfo.timer = Timer(timeInterval: 1, repeats: true) { [weak self]_ in
-        userInfo.elaspedTime += 1
-        self?.setNeedsRender()
-      }
+      userInfo.timer
+        = Timer(timeInterval: 1, repeats: true) { [weak self] _ in
+          userInfo.elaspedTime += 1
+          self?.setNeedsRender()
+        }
 
       guard let timer = userInfo.timer else { return }
       RunLoop.main.add(timer, forMode: RunLoopMode.commonModes)
@@ -96,9 +96,11 @@ struct Track {
   /// Model for one the dummy track cells.
   class TrackProps: UIProps {
     var id: String = NSUUID().uuidString.lowercased()
+
     lazy var title: String = {
       return "unknown artist\n" + "track " + self.id.replacingOccurrences(of: "-", with: "")
     }()
+
     var cover: UIImage? = Random.image()
   }
 
@@ -114,7 +116,7 @@ struct Track {
         },
         UINode<UILabel>(styles: [S.trackTitle]) { spec in
           spec.set(\UILabel.text, props.title)
-        }
+        },
       ])
       return wrapper
     }

demo/src/components/FacebookPost.swift

@@ -5,14 +5,14 @@ protocol PostComponentDelegate: class {
   func fetchComments(component: Post.PostComponent, post: Post.PostProps)
 }
 
-struct Post {
+enum Post {
 
   class PostProps: UIProps {
     weak var delegate: PostComponentDelegate?
 
     enum FetchStatus { case notFetched, fetching, fetched }
     var fetchStatus: FetchStatus = .notFetched
-    
+
     var id: String = NSUUID().uuidString.lowercased()
     var text: String = Random.sentence()
     var attachment: UIImage? = Random.image()
@@ -42,12 +42,12 @@ struct Post {
       return UINode<UIView>(
         reuseIdentifier: S.postWrapper.id,
         styles: [S.postWrapper]).children([
-        makeHeaderFragment(),
-        makeBodyFragment(),
-        makeAttachmentFragment(),
-        makeStatsFragment(),
-        makeCommentsFragment(),
-      ])
+          makeHeaderFragment(),
+          makeBodyFragment(),
+          makeAttachmentFragment(),
+          makeStatsFragment(),
+          makeCommentsFragment(),
+        ])
     }
 
     /// Returns the author avatar and fullname fragment.
@@ -58,11 +58,11 @@ struct Post {
         styles: [S.postHeader])
       let headerTextWrapper = UINode<UIView>(styles: [S.postHeaderTextWrapper])
       return header.children([
-        UINode<UIImageView>(styles: [S.postAvatar]){ $0.set(\UIImageView.image, props.avatar)},
+        UINode<UIImageView>(styles: [S.postAvatar]) { $0.set(\UIImageView.image, props.avatar) },
         headerTextWrapper.children([
           UINode<UILabel>(styles: [S.postAuthorName]) { $0.set(\UILabel.text, props.author) },
           UINode<UILabel>(styles: [S.postCaption]) { $0.set(\UILabel.text, "Just now") },
-        ])
+        ]),
       ])
     }
 
@@ -92,7 +92,8 @@ struct Post {
       let props = self.props
       let wrapper = UINode<UIView>(
         reuseIdentifier: S.postStats.id,
-        styles: [S.postStats]) {
+        styles: [S.postStats]
+      ) {
         $0.view.onTap { [weak self] _ in
           guard let `self` = self, props.fetchStatus == .notFetched else { return }
           props.delegate?.fetchComments(component: self, post: props)
@@ -123,12 +124,13 @@ struct Post {
         let wrapper = UINode<UIView>(
           reuseIdentifier: S.postCommentsWrapper.id,
           styles: [S.postCommentsWrapper])
-        wrapper.children(props.comments.map {
-          context.transientComponent(
-            CommentComponent.self,
-            props: $0,
-            parent: self).asNode()
-        })
+        wrapper.children(
+          props.comments.map {
+            context.transientComponent(
+              CommentComponent.self,
+              props: $0,
+              parent: self).asNode()
+          })
         return wrapper
       }
     }
@@ -145,9 +147,9 @@ struct Post {
       return UINode<UIView>(
         reuseIdentifier: S.postComment.id,
         styles: [S.postComment]).children([
-        UINode<UILabel>(styles: [S.postCommentAuthor]) { $0.set(\UILabel.text, props.author) },
-        UINode<UILabel>(styles: [S.postCommentLabel]) { $0.set(\UILabel.text, props.text) }
-      ])
+          UINode<UILabel>(styles: [S.postCommentAuthor]) { $0.set(\UILabel.text, props.author) },
+          UINode<UILabel>(styles: [S.postCommentLabel]) { $0.set(\UILabel.text, props.text) },
+        ])
     }
   }
 

demo/src/components/GettingStarted.swift

@@ -1,5 +1,5 @@
-import UIKit
 import RenderNeutrino
+import UIKit
 
 // MARK: - Example 1
 
@@ -53,7 +53,7 @@ class SimpleCounterComponent2: UIComponent<CounterState, UINilProps> {
 
     return container.children([
       label,
-      ])
+    ])
   }
 
   /// Defines the layout and view specification for the container node.
@@ -90,7 +90,7 @@ class SimpleCounterComponent2: UIComponent<CounterState, UINilProps> {
 // MARK: - Example 3
 
 class CounterProps: UIProps {
-  var format: String =  "Number of taps: %d"
+  var format: String = "Number of taps: %d"
 }
 
 class SimpleCounterComponent3: UIComponent<CounterState, CounterProps> {
@@ -102,7 +102,7 @@ class SimpleCounterComponent3: UIComponent<CounterState, CounterProps> {
 
     return container.children([
       label,
-      ])
+    ])
   }
 
   /// Defines the layout and view specification for the container node.
@@ -139,7 +139,7 @@ class SimpleCounterComponent3: UIComponent<CounterState, CounterProps> {
 // MARK: - Example 4
 
 // We can define a namespace for our style.
-struct Style {
+enum Style {
   struct Palette {
     static let background: UIColor = .red
     static let text: UIColor = .white
@@ -202,7 +202,7 @@ class SimpleCounterComponent5: UIComponent<CounterState, CounterProps> {
       layoutSpec: labelLayoutSpec)
     return container.children([
       label,
-      ])
+    ])
   }
 
   /// Defines the layout and view specification for the container node.

demo/src/components/Index.swift

@@ -1,9 +1,9 @@
-import UIKit
 import RenderNeutrino
+import UIKit
 
-struct Index {
+enum Index {
 
-  class CellProps: UITableCellProps { }
+  class CellProps: UITableCellProps {}
 
   class Cell: UIStatelessComponent<CellProps> {
     /// Builds the node hierarchy for this component.
@@ -17,16 +17,15 @@ struct Index {
           config.set(\UIView.yoga.flexGrow, 1)
           config.set(\UIView.yoga.flexShrink, 1)
         }.children([
-            label(text: props.title, bold: true),
-            label(text: props.subtitle),
-          ])
+          label(text: props.title, bold: true),
+          label(text: props.subtitle),
+        ]),
       ])
     }
 
     private func configureContentView(spec: UINode<UIView>.LayoutSpec) {
       let animator = UIViewPropertyAnimator(duration: 0.6, curve: .easeIn, animations: nil)
-      let bkg = props.isHighlighted ?
-        S.palette.primaryAccent.color : S.palette.primary.color
+      let bkg = props.isHighlighted ? S.palette.primaryAccent.color : S.palette.primary.color
       /// Animates the background color when the cell is selected.
       spec.set(\UIView.yoga.flexDirection, .row)
       spec.set(\UIView.yoga.width, spec.canvasSize.width)