[main] [PRERELEASE] If SupportDiagnostics then dynamic files don't report diagnostics... (#11810)

Andrew Hall · web-flow · commit 2e057fe832fb · 2025-05-01T15:55:36.000-07:00
Backport of #11808 to main /cc @ryzngard ## Customer Impact ## Regression - [x] Yes - [ ] No dotnet/roslyn#78266 ## Testing Manual testing. Tests impending in dotnet/vscode-razor ## Risk Low
diff --git a/src/Razor/src/Microsoft.VisualStudioCode.RazorExtension/Services/EmptyServiceProvider.cs b/src/Razor/src/Microsoft.VisualStudioCode.RazorExtension/Services/EmptyServiceProvider.cs
@@ -11,7 +11,7 @@ internal sealed class EmptyServiceProvider : IRazorDocumentServiceProvider
 
     public bool CanApplyChange => false;
 
-    public bool SupportDiagnostics => false;
+    public bool SupportDiagnostics => true;
 
     public TService? GetService<TService>() where TService : class
     {

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ internal sealed class EmptyServiceProvider : IRazorDocumentServiceProvider`
`11`	`11`
`12`	`12`	`public bool CanApplyChange => false;`
`13`	`13`
`14`		`- public bool SupportDiagnostics => false;`
	`14`	`+ public bool SupportDiagnostics => true;`
`15`	`15`
`16`	`16`	`public TService? GetService<TService>() where TService : class`
`17`	`17`	`{`