Add .swiftlint.yml, fix warnings.

Author: oleghnidets

.swiftlint.yml

@@ -0,0 +1,11 @@
+excluded:
+- Pods
+
+line_length: 200
+type_name:
+  min_length: 1 # only warning
+
+identifier_name:
+  min_length: 2
+
+reporter: "xcode"

Sources/FontAnimation.swift

@@ -14,7 +14,6 @@ internal final class FontAnimation {
 	private var target: Any
 	private var selector: Selector
 
-
 	init(target: Any, selector: Selector) {
 		self.target = target
 		self.selector = selector

Sources/TweePlaceholderTextField.swift

@@ -136,9 +136,9 @@ open class TweePlaceholderTextField: UITextField {
 			case .smoothly:
 				self.minimizeFontAnimation.start()
 			}
-		}) { _ in
+		}, completion: { _ in
 			self.minimizeFontAnimation.stop()
-		}
+		})
 	}
 
 	@objc private func minimizePlaceholderFontSize() {
@@ -170,10 +170,10 @@ open class TweePlaceholderTextField: UITextField {
 		UIView.animate(withDuration: placeholderDuration, delay: 0, options: [.preferredFramesPerSecond60], animations: {
 			self.layoutIfNeeded()
 			self.maximizeFontAnimation.start()
-		}) { _ in
+		}, completion: { _ in
 			self.maximizeFontAnimation.stop()
 //			self.placeholderLabel.font = self.placeholderLabel.font.withSize(self.originalPlaceholderFontSize)
-		}
+		})
 	}
 
 	@objc private func maximizePlaceholderFontSize() {

TweeTextField.xcodeproj/project.pbxproj

@@ -105,6 +105,7 @@
 				92E7FC321FE0374500E58DF5 /* Sources */,
 				92E7FC331FE0374500E58DF5 /* Frameworks */,
 				92E7FC341FE0374500E58DF5 /* Resources */,
+				9216E14D203C376B00ECD005 /* Run Script - SwiftLint */,
 			);
 			buildRules = (
 			);
@@ -162,6 +163,23 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
+/* Begin PBXShellScriptBuildPhase section */
+		9216E14D203C376B00ECD005 /* Run Script - SwiftLint */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "Run Script - SwiftLint";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "if which swiftlint >/dev/null; then\nswiftlint\necho \"\"\nelse\necho \"warning: SwiftLint not installed. Install it using brew install swiftlint.\"\nfi";
+		};
+/* End PBXShellScriptBuildPhase section */
+
 /* Begin PBXSourcesBuildPhase section */
 		92E7FC321FE0374500E58DF5 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;

TweeTextField/AppDelegate.swift

@@ -9,10 +9,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
 	var window: UIWindow?
 
-	
 	func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
 
 		return true
 	}
 }
-

TweeTextField/ViewController.swift

@@ -8,7 +8,7 @@ extension String {
 
 	var isValidEmail: Bool {
 		let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
-		return NSPredicate(format:"SELF MATCHES %@", emailRegEx).evaluate(with: self)
+		return NSPredicate(format: "SELF MATCHES %@", emailRegEx).evaluate(with: self)
 	}
 }
 
@@ -26,7 +26,8 @@ final class ViewController: UIViewController {
 	}
 
 	@IBAction private func confirm() {
-		view.endEditing(true)
+		emailTextField.becomeFirstResponder()
+//		view.endEditing(true)
 	}
 
 	@IBAction private func emailBeginEditing(_ sender: TweeAttributedTextField) {
@@ -41,4 +42,3 @@ final class ViewController: UIViewController {
 		sender.showInfo("Email address is incorrect. Check it out")
 	}
 }
-