Auto-style swift sources

.travis.yml

@@ -13,6 +13,7 @@ before_install:
   - bundle exec pod install --project-directory=Example --repo-update
   - bundle exec pod install --project-directory=Firestore/Example --no-repo-update
   - brew install clang-format
+  - brew install swiftformat
   - brew install cmake
   - brew install go # Somehow the build for Abseil requires this.
   - echo "$TRAVIS_COMMIT_RANGE"

Example/tvOSSample/tvOSSample/AppDelegate.swift

@@ -17,7 +17,6 @@ import FirebaseCore
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
-
   var window: UIWindow?
 
   func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
@@ -26,4 +25,3 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     return true
   }
 }
-

Example/tvOSSample/tvOSSample/AuthLoginViewController.swift

@@ -16,25 +16,14 @@ import UIKit
 import FirebaseAuth
 
 class AuthLoginViewController: UIViewController {
+  override func viewDidLoad() {
+    super.viewDidLoad()
 
-    override func viewDidLoad() {
-        super.viewDidLoad()
+    // Do any additional setup after loading the view.
+  }
 
-        // Do any additional setup after loading the view.
-    }
-
-    override func didReceiveMemoryWarning() {
-        super.didReceiveMemoryWarning()
-        // Dispose of any resources that can be recreated.
-    }
-
-    /*
-    // MARK: - Navigation
-
-    // In a storyboard-based application, you will often want to do a little preparation before navigation
-    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
-        // Get the new view controller using segue.destinationViewController.
-        // Pass the selected object to the new view controller.
-    }
-    */
+  override func didReceiveMemoryWarning() {
+    super.didReceiveMemoryWarning()
+    // Dispose of any resources that can be recreated.
+  }
 }

Example/tvOSSample/tvOSSample/AuthViewController.swift

@@ -20,13 +20,13 @@ class AuthViewController: UIViewController {
   // MARK: - User Interface
 
   /// A stackview containing all of the buttons to providers (Email, OAuth, etc).
-  @IBOutlet weak var providers: UIStackView!
+  @IBOutlet var providers: UIStackView!
 
   /// A stackview containing a signed in label and sign out button.
-  @IBOutlet weak var signedIn: UIStackView!
+  @IBOutlet var signedIn: UIStackView!
 
   /// A label to display the status for the signed in user.
-  @IBOutlet weak var signInStatus: UILabel!
+  @IBOutlet var signInStatus: UILabel!
 
   // MARK: - User Actions
 

Example/tvOSSample/tvOSSample/DatabaseViewController.swift

@@ -30,7 +30,7 @@ class DatabaseViewController: UIViewController {
   // MARK: - Interface
 
   /// Label to display the current value.
-  @IBOutlet weak var currentValue: UILabel!
+  @IBOutlet var currentValue: UILabel!
 
   // MARK: - User Actions
 
@@ -65,7 +65,7 @@ class DatabaseViewController: UIViewController {
     // Observe the current value, and update the UI every time it changes.
     let ref = Database.database().reference(withPath: Constants.databasePath)
 
-    ref.observe(.value) { [weak self] (snapshot) in
+    ref.observe(.value) { [weak self] snapshot in
       guard let value = snapshot.value as? Int else {
         print("Error grabbing value from Snapshot!")
         return

Example/tvOSSample/tvOSSample/EmailLoginViewController.swift

@@ -19,6 +19,7 @@ protocol EmailLoginDelegate {
   func emailLogin(_ controller: EmailLoginViewController, signedInAs user: User)
   func emailLogin(_ controller: EmailLoginViewController, failedWithError error: Error)
 }
+
 class EmailLoginViewController: UIViewController {
 
   // MARK: - Public Properties
@@ -27,15 +28,15 @@ class EmailLoginViewController: UIViewController {
 
   // MARK: - User Interface
 
-  @IBOutlet private weak var emailAddress: UITextField!
-  @IBOutlet private weak var password: UITextField!
+  @IBOutlet private var emailAddress: UITextField!
+  @IBOutlet private var password: UITextField!
 
   // MARK: - User Actions
 
   @IBAction func logInButtonHit(_ sender: UIButton) {
     guard let (email, password) = validatedInputs() else { return }
 
-    Auth.auth().signIn(withEmail: email, password: password) { [unowned self] (user, error) in
+    Auth.auth().signIn(withEmail: email, password: password) { [unowned self] user, error in
       guard let user = user else {
         print("Error signing in: \(error!)")
         self.delegate?.emailLogin(self, failedWithError: error!)
@@ -50,7 +51,7 @@ class EmailLoginViewController: UIViewController {
   @IBAction func signUpButtonHit(_ sender: UIButton) {
     guard let (email, password) = validatedInputs() else { return }
 
-    Auth.auth().createUser(withEmail: email, password: password) { [unowned self] (user, error) in
+    Auth.auth().createUser(withEmail: email, password: password) { [unowned self] user, error in
       guard let user = user else {
         print("Error signing up: \(error!)")
         self.delegate?.emailLogin(self, failedWithError: error!)

Example/tvOSSample/tvOSSample/StorageViewController.swift

@@ -31,7 +31,7 @@ class StorageViewController: UIViewController {
     case failed(String)
 
     /// Equatable support for UIState.
-    static func ==(lhs: StorageViewController.UIState, rhs: StorageViewController.UIState) -> Bool {
+    static func == (lhs: StorageViewController.UIState, rhs: StorageViewController.UIState) -> Bool {
       switch (lhs, rhs) {
       case (.cleared, .cleared): return true
       case (.downloading, .downloading): return true
@@ -52,16 +52,16 @@ class StorageViewController: UIViewController {
   // MARK: Interface
 
   /// Image view to display the downloaded image.
-  @IBOutlet weak var imageView: UIImageView!
+  @IBOutlet var imageView: UIImageView!
 
   /// The download button.
-  @IBOutlet weak var downloadButton: UIButton!
+  @IBOutlet var downloadButton: UIButton!
 
   /// The clear button.
-  @IBOutlet weak var clearButton: UIButton!
+  @IBOutlet var clearButton: UIButton!
 
   /// A visual representation of the state.
-  @IBOutlet weak var stateLabel: UILabel!
+  @IBOutlet var stateLabel: UILabel!
 
   // MARK: - User Actions
 
@@ -72,7 +72,7 @@ class StorageViewController: UIViewController {
     let storage = Storage.storage()
     let ref = storage.reference(withPath: Constants.downloadPath)
     // TODO: Show progress bar here using proper API.
-    let task = ref.getData(maxSize: Constants.maxSize) { [unowned self] (data, error) in
+    let task = ref.getData(maxSize: Constants.maxSize) { [unowned self] data, error in
       guard let data = data else {
         self.state = .failed("Error downloading: \(error!.localizedDescription)")
         return
@@ -114,7 +114,7 @@ class StorageViewController: UIViewController {
       stateLabel.text = "State: Downloading..."
 
     //  Download complete, ensure the download button is still off and enable the clear button.
-    case (_, .downloaded(let image)):
+    case let (_, .downloaded(image)):
       imageView.image = image
       stateLabel.text = "State: Image downloaded!"
 
@@ -124,7 +124,7 @@ class StorageViewController: UIViewController {
       stateLabel.text = "State: Pending download"
 
     // An error occurred.
-    case (_, .failed(let error)):
+    case let (_, .failed(error)):
       stateLabel.text = "State: \(error)"
 
     // For now, as the default, throw a fatal error because it's an unexpected state. This will