Added ParentIsTagHelper property to AttributeCompletionContext

src/Microsoft.CodeAnalysis.Razor.Workspaces/AttributeCompletionContext.cs

@@ -16,6 +16,7 @@ namespace Microsoft.CodeAnalysis.Razor
             string currentAttributeName,
             IEnumerable<KeyValuePair<string, string>> attributes,
             string currentParentTagName,
+            bool currentParentIsTagHelper,
             Func<string, bool> inHTMLSchema)
         {
             if (documentContext == null)
@@ -49,6 +50,7 @@ namespace Microsoft.CodeAnalysis.Razor
             CurrentAttributeName = currentAttributeName;
             Attributes = attributes;
             CurrentParentTagName = currentParentTagName;
+            CurrentParentIsTagHelper = currentParentIsTagHelper;
             InHTMLSchema = inHTMLSchema;
         }
 
@@ -64,6 +66,8 @@ namespace Microsoft.CodeAnalysis.Razor
 
         public string CurrentParentTagName { get; }
 
+        public bool CurrentParentIsTagHelper { get; }
+
         public Func<string, bool> InHTMLSchema { get; }
     }
 }

src/Microsoft.CodeAnalysis.Razor.Workspaces/DefaultTagHelperCompletionService.cs

@@ -60,7 +60,7 @@ namespace Microsoft.CodeAnalysis.Razor
                 completionContext.CurrentTagName,
                 completionContext.Attributes,
                 completionContext.CurrentParentTagName,
-                parentIsTagHelper: false);
+                completionContext.CurrentParentIsTagHelper);
 
             var applicableDescriptors = applicableTagHelperBinding?.Descriptors ?? Enumerable.Empty<TagHelperDescriptor>();
             var unprefixedTagName = completionContext.CurrentTagName.Substring(prefix.Length);

test/Microsoft.CodeAnalysis.Razor.Workspaces.Test/DefaultTagHelperCompletionServiceTest.cs

@@ -1,9 +1,9 @@
 // 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.
 
-using Microsoft.AspNetCore.Razor.Language;
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.AspNetCore.Razor.Language;
 using Xunit;
 
 namespace Microsoft.CodeAnalysis.Razor
@@ -1062,6 +1062,7 @@ namespace Microsoft.CodeAnalysis.Razor
                 currentAttributeName,
                 attributes,
                 currentParentTagName: "body",
+                currentParentIsTagHelper: false,
                 inHTMLSchema: (tag) => tag == "strong" || tag == "b" || tag == "bold" || tag == "li" || tag == "div");
 
             return completionContext;

test/Microsoft.CodeAnalysis.Razor.Workspaces.Test/DefaultTagHelperFactsServiceTest.cs

@@ -1,9 +1,9 @@
 // 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.
 
-using Microsoft.AspNetCore.Razor.Language;
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.AspNetCore.Razor.Language;
 using Xunit;
 
 namespace Microsoft.CodeAnalysis.Razor