Implemented the "init(at: )" initialiser, the "pathString" computed property, and the "appendingPath(_: )" function for the URL+Extensions extension in the library target.

Sources/Library/Extensions/URL+Extensions.swift

@@ -0,0 +1,35 @@
+import Foundation
+
+extension URL {
+    
+    // MARK: Initialisers
+    
+    init(at filePath: String) {
+        if #available(macOS 13.0, *) {
+            self = URL(filePath: filePath)
+        } else {
+            self = URL(fileURLWithPath: filePath)
+        }
+    }
+    
+    // MARK: Computed
+    
+    var pathString: String {
+        if #available(macOS 13.0, *) {
+            path()
+        } else {
+            path
+        }
+    }
+    
+    // MARK: Functions
+    
+    func appendingPath(_ path: String) -> URL {
+        if #available(macOS 13.0, *) {
+            appending(path: path)
+        } else {
+            appendingPathComponent(path)
+        }
+    }
+    
+}

Sources/Library/Extensions/URL+Inits.swift

@@ -1,15 +0,0 @@
-import Foundation
-
-extension URL {
-    
-    // MARK: Initialisers
-    
-    init(at filePath: String) {
-        if #available(macOS 13.0, *) {
-            self = URL(filePath: filePath)
-        } else {
-            self = URL(fileURLWithPath: filePath)
-        }
-    }
-    
-}

Sources/Library/Services/FileService.swift

@@ -54,25 +54,9 @@ public struct FileService: FileServicing {
             throw FileServiceError.urlNotFileURL
         }
         
-        let filePath = getPath(for: url)
+        let filePath = url.pathString
         
         return fileManager.fileExists(atPath: filePath)
     }
     
 }
-
-// MARK: - Helpers
-
-private extension FileService {
-    
-    // MARK: Functions
-    
-    func getPath(for url: URL) -> String {
-        if #available(macOS 13.0, *) {
-            return url.path()
-        } else {
-            return url.path
-        }
-    }
-    
-}

Sources/Library/Tasks/CreateRootFolderTask.swift

@@ -27,12 +27,8 @@ public struct CreateRootFolderTask {
         } else {
             await fileService.currentFolder
         }
-        
-        let newFolder = if #available(macOS 13.0, *) {
-            rootFolder.appending(path: name)
-        } else {
-            rootFolder.appendingPathComponent(name)
-        }
+
+        let newFolder = rootFolder.appendingPath(name)
 
         try await fileService.createFolder(at: newFolder)