Add Directory.Reset extension

PowerKit.Tests/DirectoryExtensionsTests.cs

@@ -8,6 +8,36 @@ namespace PowerKit.Tests;
 
 public class DirectoryExtensionsTests
 {
+    [Fact]
+    public void Reset_Test()
+    {
+        // Arrange
+        using var tempDir = TempDirectory.Create();
+        File.WriteAllText(Path.Combine(tempDir.Path, "test.txt"), "test");
+
+        // Act
+        Directory.Reset(tempDir.Path);
+
+        // Assert
+        Directory.Exists(tempDir.Path).Should().BeTrue();
+        Directory.GetFileSystemEntries(tempDir.Path).Should().BeEmpty();
+    }
+
+    [Fact]
+    public void Reset_NonExistent_Test()
+    {
+        // Arrange
+        using var tempDir = TempDirectory.Create();
+        var dirPath = Path.Combine(tempDir.Path, "nonexistent");
+
+        // Act
+        Directory.Reset(dirPath);
+
+        // Assert
+        Directory.Exists(dirPath).Should().BeTrue();
+        Directory.GetFileSystemEntries(dirPath).Should().BeEmpty();
+    }
+
     [Fact]
     public void TryDelete_Test()
     {

PowerKit/Extensions/DirectoryExtensions.cs

@@ -6,6 +6,20 @@ internal static class DirectoryExtensions
 {
     extension(Directory)
     {
+        /// <summary>
+        /// Deletes the directory and all its contents, then recreates it as an empty directory.
+        /// </summary>
+        public static void Reset(string path)
+        {
+            try
+            {
+                Directory.Delete(path, true);
+            }
+            catch (DirectoryNotFoundException) { }
+
+            Directory.CreateDirectory(path);
+        }
+
         /// <summary>
         /// Attempts to delete the directory at the specified path.
         /// Returns <see langword="true" /> if the directory was successfully deleted, or <see langword="false" /> if an error occurred.