Feature/improvements

src/GlobalConstants.cs

@@ -0,0 +1,7 @@
+namespace NuGetMonitor
+{
+    internal static class GlobalConstants
+    {
+        public static readonly string NetStandardPackageId = "NETStandard.Library";
+    }
+}

src/GlobalUsings.cs

@@ -0,0 +1,4 @@
+global using static Microsoft.VisualStudio.Shell.ThreadHelper;
+global using static NuGetMonitor.GlobalConstants;
+global using static NuGetMonitor.Services.LoggingService;
+

src/Models/NugetSession.cs

@@ -1,7 +1,6 @@
 using System.IO;
 using Community.VisualStudio.Toolkit;
 using Microsoft.Extensions.Caching.Memory;
-using Microsoft.VisualStudio.Shell;
 using NuGet.Configuration;
 using NuGet.Protocol.Core.Types;
 using Settings = NuGet.Configuration.Settings;
@@ -14,7 +13,7 @@ internal sealed class NuGetSession : IDisposable
 
         public NuGetSession()
         {
-            ThreadHelper.ThrowIfNotOnUIThread();
+            ThrowIfNotOnUIThread();
 
             var solution = VS.Solutions.GetCurrentSolution();
             var solutionDirectory = Path.GetDirectoryName(solution?.FullPath);
@@ -31,7 +30,7 @@ public NuGetSession()
             PackageDownloadContext = new PackageDownloadContext(SourceCacheContext);
         }
 
-        public MemoryCache Cache { get; } = new(new MemoryCacheOptions { });
+        public MemoryCache Cache { get; } = new(new MemoryCacheOptions());
 
         public SourceCacheContext SourceCacheContext { get; } = new();
 

src/Models/PackageReferenceEntry.cs

@@ -1,20 +1,20 @@
-using Microsoft.Build.Evaluation;
-using NuGet.Versioning;
+using NuGet.Versioning;
+using NuGetMonitor.Services;
 
 namespace NuGetMonitor.Models;
 
 internal sealed record PackageReferenceEntry
 {
-    public PackageReferenceEntry(string id, VersionRange versionRange, ProjectItem projectItem, string justification)
+    public PackageReferenceEntry(string id, VersionRange versionRange, ProjectItemInTargetFramework projectItemInTargetFramework, string justification)
     {
-        ProjectItem = projectItem;
+        ProjectItemInTargetFramework = projectItemInTargetFramework;
         Justification = justification;
         Identity = new PackageReference(id, versionRange);
     }
 
     public PackageReference Identity { get; }
 
-    public ProjectItem ProjectItem { get; }
+    public ProjectItemInTargetFramework ProjectItemInTargetFramework { get; }
 
     public string Justification { get; }
-};
+}

src/NuGetMonitorPackage.cs

@@ -1,10 +1,10 @@
-using Community.VisualStudio.Toolkit;
+using System.Runtime.InteropServices;
+using Community.VisualStudio.Toolkit;
 using Microsoft.VisualStudio;
 using Microsoft.VisualStudio.Shell;
+using NuGetMonitor.Options;
 using NuGetMonitor.Services;
 using NuGetMonitor.View;
-using System.Runtime.InteropServices;
-using Task = System.Threading.Tasks.Task;
 
 namespace NuGetMonitor;
 
@@ -13,8 +13,8 @@ namespace NuGetMonitor;
 [ProvideAutoLoad(VSConstants.UICONTEXT.SolutionExistsAndFullyLoaded_string, PackageAutoLoadFlags.BackgroundLoad)]
 [ProvideMenuResource("Menus.ctmenu", 1)]
 [ProvideToolWindow(typeof(NuGetMonitorToolWindow))]
-[ProvideOptionPage(typeof(Options.OptionsProvider.GeneralOptions), "NuGet Monitor", "General", 0, 0, true)]
-[ProvideProfile(typeof(Options.OptionsProvider.GeneralOptions), "NuGet Monitor", "General", 0, 0, true)]
+[ProvideOptionPage(typeof(OptionsProvider.GeneralOptions), "NuGet Monitor", "General", 0, 0, true)]
+[ProvideProfile(typeof(OptionsProvider.GeneralOptions), "NuGet Monitor", "General", 0, 0, true)]
 public sealed class NuGetMonitorPackage : ToolkitPackage
 {
     public const string PackageGuidString = "38279e01-6b27-4a29-9221-c4ea8748f16e";

src/Options/General.cs

@@ -1,6 +1,6 @@
-using Community.VisualStudio.Toolkit;
-using System.ComponentModel;
+using System.ComponentModel;
 using System.Runtime.InteropServices;
+using Community.VisualStudio.Toolkit;
 
 namespace NuGetMonitor.Options;
 

src/Services/InfoBarService.cs

@@ -3,16 +3,14 @@
 using System.Windows;
 using Community.VisualStudio.Toolkit;
 using Microsoft.VisualStudio.Imaging;
-using Microsoft.VisualStudio.Shell.Interop;
 using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
 using NuGet.Versioning;
 using NuGetMonitor.Models;
+using NuGetMonitor.Options;
 using NuGetMonitor.View;
 using TomsToolbox.Essentials;
 
-using static NuGetMonitor.Services.LoggingService;
-using NuGetMonitor.Options;
-
 namespace NuGetMonitor.Services;
 
 internal static class InfoBarService
@@ -114,7 +112,7 @@ public static void CloseInfoBars()
 
     private static void InfoBar_ActionItemClicked(object sender, InfoBarActionItemEventArgs e)
     {
-        ThreadHelper.ThrowIfNotOnUIThread();
+        ThrowIfNotOnUIThread();
 
         switch (e.ActionItem.ActionContext)
         {

src/Services/LoggingService.cs

@@ -1,32 +1,44 @@
 using Community.VisualStudio.Toolkit;
 using Microsoft.VisualStudio;
 using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
 
 namespace NuGetMonitor.Services;
 
 internal static class LoggingService
 {
     private static Guid _outputPaneGuid = new("{5B951352-356E-45A9-8F73-80DF1C57FED4}");
 
+    private static IVsOutputWindowPane? _outputWindowPane;
+
     public static void Log(string message)
     {
         LogAsync(message).FireAndForget();
     }
 
     public static async Task LogAsync(string message)
+    {
+        _outputWindowPane ??= await GetOutputWindowPane();
+
+        await JoinableTaskFactory.SwitchToMainThreadAsync();
+
+        _outputWindowPane?.OutputStringThreadSafe($"[{DateTime.Now:T}] {message}\r\n");
+    }
+
+    private static async Task<IVsOutputWindowPane?> GetOutputWindowPane()
     {
         var outputWindow = await VS.Services.GetOutputWindowAsync();
 
-        await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
+        await JoinableTaskFactory.SwitchToMainThreadAsync();
 
         var errorCode = outputWindow.GetPane(ref _outputPaneGuid, out var pane);
 
-        if (ErrorHandler.Failed(errorCode) || pane == null)
-        {
-            outputWindow.CreatePane(ref _outputPaneGuid, "NuGet Monitor", Convert.ToInt32(true), Convert.ToInt32(false));
-            outputWindow.GetPane(ref _outputPaneGuid, out pane);
-        }
+        if (!ErrorHandler.Failed(errorCode) && pane != null)
+            return pane;
+
+        outputWindow.CreatePane(ref _outputPaneGuid, "NuGet Monitor", Convert.ToInt32(true), Convert.ToInt32(false));
+        outputWindow.GetPane(ref _outputPaneGuid, out pane);
 
-        pane?.OutputStringThreadSafe($"[{DateTime.Now:T}] {message}\r\n");
+        return pane;
     }
 }

src/Services/MonitorService.cs

@@ -42,30 +42,30 @@ private static async Task CheckForUpdatesInternal()
             if (solution is null)
                 return;
 
-            await LoggingService.LogAsync($"Solution: {solution.Name}").ConfigureAwait(true);
+            await LogAsync($"Solution: {solution.Name}").ConfigureAwait(true);
 
-            await LoggingService.LogAsync("Check top level packages").ConfigureAwait(true);
+            await LogAsync("Check top level packages").ConfigureAwait(true);
 
             var packageReferences = await ProjectService.GetPackageReferences().ConfigureAwait(true);
 
             var topLevelPackages = await NuGetService.CheckPackageReferences(packageReferences).ConfigureAwait(true);
 
-            await LoggingService.LogAsync($"{topLevelPackages.Count} packages found").ConfigureAwait(true);
+            await LogAsync($"{topLevelPackages.Count} packages found").ConfigureAwait(true);
 
             if (topLevelPackages.Count == 0)
                 return;
 
             InfoBarService.ShowTopLevelPackageIssues(topLevelPackages);
 
-            await LoggingService.LogAsync("Check transitive packages").ConfigureAwait(true);
+            await LogAsync("Check transitive packages").ConfigureAwait(true);
 
             var transitiveDependencies = await NuGetService.GetTransitivePackages(packageReferences, topLevelPackages).ConfigureAwait(true);
 
             InfoBarService.ShowTransitivePackageIssues(transitiveDependencies);
         }
         catch (Exception ex) when (ex is not (OperationCanceledException or ObjectDisposedException))
         {
-            await LoggingService.LogAsync($"Check for updates failed: {ex}");
+            await LogAsync($"Check for updates failed: {ex}");
         }
     }
 }

src/Services/NuGetService.cs

@@ -1,5 +1,4 @@
-using System.IO;
-using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Caching.Memory;
 using NuGet.Common;
 using NuGet.Frameworks;
 using NuGet.Packaging;
@@ -77,21 +76,23 @@ public static async Task<ICollection<TransitiveDependencies>> GetTransitivePacka
     {
         var results = new List<TransitiveDependencies>();
 
-        var packagesReferencesByProject = packageReferences.GroupBy(item => item.ProjectItem.Project);
+        var projectItemsByTargetFramework = packageReferences.GroupBy(item => item.ProjectItemInTargetFramework.TargetFramework);
 
-        foreach (var projectPackageReferences in packagesReferencesByProject)
+        foreach (var projectItemsInTargetFramework in projectItemsByTargetFramework)
         {
-            var project = projectPackageReferences.Key;
+            var targetFramework = projectItemsInTargetFramework.Key;
 
-            var projectsInTargetFramework = project.GetProjectsInTargetFramework();
+            var packagesReferencesByProject = projectItemsInTargetFramework.GroupBy(item => item.ProjectItemInTargetFramework.ProjectItem.Project);
 
-            var topLevelPackagesInProject = topLevelPackages
-                .Where(package => projectPackageReferences.Any(item => package.PackageReferenceEntries.Contains(item)))
-                .Select(item => item.PackageInfo)
-                .ToArray();
-
-            foreach (var projectInTargetFramework in projectsInTargetFramework)
+            foreach (var projectPackageReferences in packagesReferencesByProject)
             {
+                var project = projectPackageReferences.Key;
+
+                var topLevelPackagesInProject = topLevelPackages
+                    .Where(package => projectPackageReferences.Any(item => package.PackageReferenceEntries.Contains(item)))
+                    .Select(item => item.PackageInfo)
+                    .ToArray();
+
                 var inputQueue = new Queue<PackageInfo>(topLevelPackagesInProject);
                 var parentsByChild = new Dictionary<PackageInfo, HashSet<PackageInfo>>();
                 var processedItemsByPackageId = new Dictionary<string, PackageInfo>();
@@ -107,7 +108,7 @@ public static async Task<ICollection<TransitiveDependencies>> GetTransitivePacka
 
                     processedItemsByPackageId[packageIdentity.Id] = packageInfo;
 
-                    var dependencies = await packageInfo.GetPackageDependenciesInFramework(projectInTargetFramework.TargetFramework);
+                    var dependencies = await packageInfo.GetPackageDependenciesInFramework(targetFramework);
 
                     foreach (var dependency in dependencies)
                     {
@@ -125,7 +126,7 @@ public static async Task<ICollection<TransitiveDependencies>> GetTransitivePacka
                     .Where(item => transitivePackages.Contains(item.Key))
                     .ToDictionary();
 
-                results.Add(new TransitiveDependencies(projectInTargetFramework.Project, projectInTargetFramework.TargetFramework, parentsByChild));
+                results.Add(new TransitiveDependencies(project, targetFramework, parentsByChild));
             }
         }
 
@@ -345,7 +346,8 @@ public PackageDependenciesCacheEntry(PackageIdentity packageIdentity, SourceRepo
         private static async Task<PackageDependencyGroup[]?> GetDirectDependencies(PackageIdentity packageIdentity, SourceRepository repository, NuGetSession session)
         {
             // Don't scan packages with pseudo-references, they don't get physically included, but cause vulnerability warnings.
-            if (string.Equals(packageIdentity.Id, "NETStandard.Library", StringComparison.OrdinalIgnoreCase))
+
+            if (string.Equals(packageIdentity.Id, NetStandardPackageId, StringComparison.OrdinalIgnoreCase))
                 return Array.Empty<PackageDependencyGroup>();
 
             var resource = await repository.GetResourceAsync<DownloadResource>(session.CancellationToken);

src/Services/ProjectService.cs

@@ -1,16 +1,20 @@
 using System.IO;
 using Community.VisualStudio.Toolkit;
-using EnvDTE;
+using Microsoft.Build.Construction;
 using Microsoft.Build.Evaluation;
 using NuGet.Frameworks;
 using NuGet.Versioning;
 using NuGetMonitor.Models;
 using TomsToolbox.Essentials;
 using Project = Microsoft.Build.Evaluation.Project;
-using ProjectItem = Microsoft.Build.Evaluation.ProjectItem;
 
 namespace NuGetMonitor.Services;
 
+internal sealed record ProjectItemInTargetFramework(ProjectItem ProjectItem, NuGetFramework TargetFramework)
+{
+    public ProjectRootElement ContainingProject => ProjectItem.Xml.ContainingProject;
+}
+
 internal sealed record ProjectInTargetFramework(Project Project, NuGetFramework TargetFramework);
 
 internal static class ProjectService
@@ -44,7 +48,7 @@ public static async Task<IReadOnlyCollection<PackageReferenceEntry>> GetPackageR
             return references
                 .SelectMany(items => items)
                 .OrderBy(item => item.Identity.Id)
-                .ThenBy(item => Path.GetFileName(item.ProjectItem.Xml.ContainingProject.FullPath))
+                .ThenBy(item => Path.GetFileName(item.ProjectItemInTargetFramework.ContainingProject.FullPath))
                 .ToArray();
         });
     }
@@ -53,7 +57,7 @@ public static ProjectInTargetFramework[] GetProjectsInTargetFramework(this Proje
     {
         var frameworkNames = (project.GetProperty("TargetFrameworks") ?? project.GetProperty("TargetFramework"))
             ?.EvaluatedValue
-            ?.Split(';')
+            .Split(';')
             .Select(value => value.Trim())
             .ToArray();
 
@@ -101,7 +105,7 @@ private static IEnumerable<PackageReferenceEntry> GetPackageReferences(ProjectCo
         return packageReferences;
     }
 
-    private static IEnumerable<ProjectItem> GetPackageReferenceItems(ProjectCollection projectCollection, string projectPath)
+    private static IEnumerable<ProjectItemInTargetFramework> GetPackageReferenceItems(ProjectCollection projectCollection, string projectPath)
     {
         try
         {
@@ -114,27 +118,35 @@ private static IEnumerable<ProjectItem> GetPackageReferenceItems(ProjectCollecti
 
             var projects = project.GetProjectsInTargetFramework();
 
-            var allItems = projects.SelectMany(p => p.Project.GetItems("PackageReference"));
+            var allItems = projects.SelectMany(p => p.Project.GetItems("PackageReference").Select(item => new ProjectItemInTargetFramework(item, p.TargetFramework)));
 
             return allItems;
         }
         catch (Exception ex)
         {
-            LoggingService.Log($"Get package reference item failed: {ex}");
+            Log($"Get package reference item failed: {ex}");
 
-            return Enumerable.Empty<ProjectItem>();
+            return Enumerable.Empty<ProjectItemInTargetFramework>();
         }
     }
 
-    private static PackageReferenceEntry? CreateEntry(ProjectItem projectItem)
+    private static PackageReferenceEntry? CreateEntry(ProjectItemInTargetFramework projectItemInTargetFramework)
     {
+        var projectItem = projectItemInTargetFramework.ProjectItem;
+
         var id = projectItem.EvaluatedInclude;
+
+        // Ignore the implicit NetStandard library reference in projects targeting NetStandard.
+        if (id.Equals(NetStandardPackageId, StringComparison.OrdinalIgnoreCase))
+            return null;
+
         var versionValue = projectItem.GetMetadata("Version")?.EvaluatedValue;
         if (versionValue.IsNullOrEmpty())
             return null;
 
         return VersionRange.TryParse(versionValue, out var versionRange)
-            ? new PackageReferenceEntry(id, versionRange, projectItem, projectItem.GetMetadataValue("Justification"))
+            ? new PackageReferenceEntry(id, versionRange, projectItemInTargetFramework, projectItem.GetMetadataValue("Justification"))
             : null;
+
     }
 }

src/View/NuGetMonitorCommand.cs

@@ -1,6 +1,5 @@
-using Microsoft.VisualStudio.Shell;
-using System.ComponentModel.Design;
-using Task = System.Threading.Tasks.Task;
+using System.ComponentModel.Design;
+using Microsoft.VisualStudio.Shell;
 
 namespace NuGetMonitor.View;
 
@@ -30,7 +29,7 @@ public static NuGetMonitorCommand? Instance
 
     public static async Task InitializeAsync(AsyncPackage package)
     {
-        await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(package.DisposalToken);
+        await JoinableTaskFactory.SwitchToMainThreadAsync(package.DisposalToken);
 
         var commandService = await package.GetServiceAsync(typeof(IMenuCommandService)).ConfigureAwait(true) as OleMenuCommandService ?? throw new InvalidOperationException("Failed to get menu command service");