Move interface to its own file

Author: jjonescz

src/NuGet.Core/NuGet.CommandLine.XPlat/IVirtualProjectBuilder.cs

@@ -0,0 +1,35 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using Microsoft.Build.Construction;
+using Microsoft.Build.Evaluation;
+
+namespace NuGet.CommandLine.XPlat;
+
+public interface IVirtualProjectBuilder
+{
+    bool IsValidEntryPointPath(string entryPointFilePath);
+
+    ProjectRootElement CreateProjectRootElement(string entryPointFilePath, ProjectCollection projectCollection);
+
+    internal static IVirtualProjectBuilder? TryLoad()
+    {
+        var assemblyPath = Path.Join(AppContext.BaseDirectory, "dotnet.dll");
+
+        if (!File.Exists(assemblyPath))
+        {
+            return null;
+        }
+
+        var type = Assembly.LoadFile(assemblyPath)
+            .GetExportedTypes()
+            .FirstOrDefault(static t => t.IsAssignableTo(typeof(IVirtualProjectBuilder)));
+        return type != null ? (IVirtualProjectBuilder?)Activator.CreateInstance(type) : null;
+    }
+}

src/NuGet.Core/NuGet.CommandLine.XPlat/NuGetCommands.cs

@@ -5,11 +5,7 @@
 
 using System;
 using System.CommandLine;
-using System.IO;
 using System.Linq;
-using System.Reflection;
-using Microsoft.Build.Construction;
-using Microsoft.Build.Evaluation;
 using NuGet.CommandLine.XPlat.Commands.Package.PackageDownload;
 using NuGet.CommandLine.XPlat.Commands.Package.Update;
 
@@ -51,25 +47,3 @@ public static void Add(RootCommand rootCommand)
         Add(rootCommand, interactiveOption);
     }
 }
-
-public interface IVirtualProjectBuilder
-{
-    bool IsValidEntryPointPath(string entryPointFilePath);
-
-    ProjectRootElement CreateProjectRootElement(string entryPointFilePath, ProjectCollection projectCollection);
-
-    internal static IVirtualProjectBuilder? TryLoad()
-    {
-        var assemblyPath = Path.Join(AppContext.BaseDirectory, "dotnet.dll");
-
-        if (!File.Exists(assemblyPath))
-        {
-            return null;
-        }
-
-        var type = Assembly.LoadFile(assemblyPath)
-            .GetExportedTypes()
-            .FirstOrDefault(static t => t.IsAssignableTo(typeof(IVirtualProjectBuilder)));
-        return type != null ? (IVirtualProjectBuilder?)Activator.CreateInstance(type) : null;
-    }
-}