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rstm-sf · May 29, 2021 · 44fd86a · 44fd86a
1 parent a2e16e7
commit 44fd86a
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diff --git a/src/AvaloniaProjectInfoResolver.PreviewTask/AvaloniaProjectInfoResolver.PreviewInner.targets b/src/AvaloniaProjectInfoResolver.PreviewTask/AvaloniaProjectInfoResolver.PreviewInner.targets
@@ -3,6 +3,7 @@
 
   <Target Name="SelectInfoProjectReference" Returns="@(ProjectReference)" />
   <Target Name="SelectInfoProjectPath" Returns="$(ProjectPath)" />
+  <Target Name="SelectInfoOutputType" Returns="$(OutputType)" />
 
   <Target Name="SelectInfoAvaloniaResource" Returns="@(AvaloniaResource)" />
   <Target Name="SelectInfoAvaloniaXaml" Returns="@(AvaloniaXaml)" />

diff --git a/src/AvaloniaProjectInfoResolver.PreviewTask/PreviewInfoResolverTask.cs b/src/AvaloniaProjectInfoResolver.PreviewTask/PreviewInfoResolverTask.cs
@@ -18,6 +18,7 @@ public class PreviewInfoResolverTask : ContextAwareTask
         // ReSharper disable InconsistentNaming
         private const string SelectInfoProjectReference = nameof(SelectInfoProjectReference);
         private const string SelectInfoProjectPath = nameof(SelectInfoProjectPath);
+        private const string SelectInfoOutputType = nameof(SelectInfoOutputType);
         private const string SelectInfoAvaloniaResource = nameof(SelectInfoAvaloniaResource);
         private const string SelectInfoAvaloniaXaml = nameof(SelectInfoAvaloniaXaml);
         private const string SelectInfoAvaloniaPreviewerNetCoreToolPath =
@@ -53,6 +54,8 @@ public class PreviewInfoResolverTask : ContextAwareTask
 
         private static readonly string[] TargetGetProjectReference = {SelectInfoProjectReference};
 
+        private static readonly string[] TargetGetOutput = {SelectInfoOutputType};
+
         private static readonly string[] TargetGetTfms = {SelectInfoTargetFrameworks};
 
         private readonly Dictionary<string, string> _globalPropertiesCommon;
@@ -90,6 +93,12 @@ public PreviewInfoResolverTask()
 
         protected override bool ExecuteInner()
         {
+            if (!TryResolvePreviewInfoOutputType(ProjectFile, out var outputType))
+                return false;
+
+            if (outputType == "Library")
+                return false;
+
             if (!TryResolvePreviewInfoTfms(ProjectFile, out var targetFrameworks))
                 return false;
 
@@ -109,6 +118,20 @@ protected override bool ExecuteInner()
             return true;
         }
 
+        private bool TryResolvePreviewInfoOutputType(string projectFile, out string outputType)
+        {
+            var targetOutputs = new Dictionary<string, ITaskItem[]>();
+
+            if (BuildEngine.BuildProjectFile(projectFile, TargetGetOutput, _globalPropertiesCommon, targetOutputs))
+            {
+                outputType = targetOutputs.ResultFromSingle(SelectInfoOutputType);
+                return true;
+            }
+
+            outputType = default!;
+            return false;
+        }
+
         private bool TryResolvePreviewInfoTfms(string projectFile, out string[] targetFrameworks)
         {
             var targetOutputs = new Dictionary<string, ITaskItem[]>();