Add SwiftLint HARD rules

Sources/ResgenSwift/Images/Generator/ImageExtensionGenerator.swift

@@ -5,42 +5,48 @@
 //  Created by Thibaut Schmitt on 14/02/2022.
 //
 
-import ToolCore
 import Foundation
+import ToolCore
+
+enum ImageExtensionGenerator {
 
-class ImageExtensionGenerator {
-    
     // MARK: - UIKit
-    
-    static func generateExtensionFile(images: [ParsedImage],
-                                      staticVar: Bool,
-                                      inputFilename: String,
-                                      extensionName: String,
-                                      extensionFilePath: String,
-                                      isSwiftUI: Bool) {
+
+    static func generateExtensionFile(
+        images: [ParsedImage],
+        staticVar: Bool,
+        inputFilename: String,
+        extensionName: String,
+        extensionFilePath: String,
+        isSwiftUI: Bool
+    ) {
         // Create extension conten1t
-        let extensionContent = Self.getExtensionContent(images: images,
-                                                        staticVar: staticVar,
-                                                        extensionName: extensionName,
-                                                        inputFilename: inputFilename,
-                                                        isSwiftUI: isSwiftUI)
-        
+        let extensionContent = Self.getExtensionContent(
+            images: images,
+            staticVar: staticVar,
+            extensionName: extensionName,
+            inputFilename: inputFilename,
+            isSwiftUI: isSwiftUI
+        )
+
         // Write content
         let extensionFilePathURL = URL(fileURLWithPath: extensionFilePath)
         do {
             try extensionContent.write(to: extensionFilePathURL, atomically: false, encoding: .utf8)
-        } catch let error {
+        } catch {
             let error = ImagesError.writeFile(extensionFilePath, error.localizedDescription)
             print(error.description)
             Images.exit(withError: error)
         }
     }
-    
-    static func getExtensionContent(images: [ParsedImage],
-                                    staticVar: Bool,
-                                    extensionName: String,
-                                    inputFilename: String,
-                                    isSwiftUI: Bool) -> String {
+
+    static func getExtensionContent(
+        images: [ParsedImage],
+        staticVar: Bool,
+        extensionName: String,
+        inputFilename: String,
+        isSwiftUI: Bool
+    ) -> String {
         [
             Self.getHeader(inputFilename: inputFilename, extensionClassname: extensionName, isSwiftUI: isSwiftUI),
             Self.getProperties(images: images, staticVar: staticVar, isSwiftUI: isSwiftUI),
@@ -48,30 +54,36 @@ class ImageExtensionGenerator {
         ]
             .joined(separator: "\n")
     }
-    
-    private static func getHeader(inputFilename: String,
-                                  extensionClassname: String,
-                                  isSwiftUI: Bool) -> String {
+
+    private static func getHeader(
+        inputFilename: String,
+        extensionClassname: String,
+        isSwiftUI: Bool
+    ) -> String {
         """
         // Generated by ResgenSwift.\(Images.toolName) \(ResgenSwiftVersion)
         // Images from \(inputFilename)
-        
+
         import \(isSwiftUI ? "SwiftUI" : "UIKit")
-        
+
         extension \(extensionClassname) {
         """
     }
-    
-    private static func getProperties(images: [ParsedImage], staticVar: Bool, isSwiftUI: Bool) -> String {
+
+    private static func getProperties(
+        images: [ParsedImage],
+        staticVar: Bool,
+        isSwiftUI: Bool
+    ) -> String {
         images
             .map { "\n\($0.getImageProperty(isStatic: staticVar, isSwiftUI: isSwiftUI))" }
             .joined(separator: "\n")
     }
-    
+
     private static func getFooter() -> String {
         """
         }
-        
+
         """
     }
 }