Use ".g.cs" extension for all generated files

CommunityToolkit.Mvvm.SourceGenerators/Attributes/NullabilityAttributesGenerator.cs

@@ -44,7 +44,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
         {
             string source = LoadAttributeSourceWithMetadataName(NotNullAttributeMetadataName);
 
-            context.AddSource(NotNullAttributeMetadataName, source);
+            context.AddSource($"{NotNullAttributeMetadataName}.g.cs", source);
         });
 
         // Check whether [NotNullIfNotNull] is not available
@@ -57,7 +57,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
         {
             string source = LoadAttributeSourceWithMetadataName(NotNullIfNotNullAttributeMetadataName);
 
-            context.AddSource(NotNullIfNotNullAttributeMetadataName, source);
+            context.AddSource($"{NotNullIfNotNullAttributeMetadataName}.g.cs", source);
         });
     }
 

CommunityToolkit.Mvvm.SourceGenerators/ComponentModel/ObservablePropertyGenerator.cs

@@ -94,7 +94,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             // Insert all members into the same partial type declaration
             CompilationUnitSyntax compilationUnit = item.Hierarchy.GetCompilationUnit(memberDeclarations);
 
-            context.AddSource(item.Hierarchy.FilenameHint, compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource($"{item.Hierarchy.FilenameHint}.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
 
         // Gather all property changing names
@@ -112,7 +112,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
 
             if (compilationUnit is not null)
             {
-                context.AddSource("__KnownINotifyPropertyChangingArgs", compilationUnit.GetText(Encoding.UTF8));
+                context.AddSource("__KnownINotifyPropertyChangingArgs.g.cs", compilationUnit.GetText(Encoding.UTF8));
             }
         });
 
@@ -131,7 +131,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
 
             if (compilationUnit is not null)
             {
-                context.AddSource("__KnownINotifyPropertyChangedArgs", compilationUnit.GetText(Encoding.UTF8));
+                context.AddSource("__KnownINotifyPropertyChangedArgs.g.cs", compilationUnit.GetText(Encoding.UTF8));
             }
         });
     }

CommunityToolkit.Mvvm.SourceGenerators/ComponentModel/ObservableValidatorValidateAllPropertiesGenerator.cs

@@ -59,15 +59,15 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
         {
             CompilationUnitSyntax compilationUnit = Execute.GetSyntax(item);
 
-            context.AddSource("__ObservableValidatorExtensions", compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource("__ObservableValidatorExtensions.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
 
         // Generate the class with all validation methods
         context.RegisterImplementationSourceOutput(validationInfo, static (context, item) =>
         {
             CompilationUnitSyntax compilationUnit = Execute.GetSyntax(item);
 
-            context.AddSource(item.FilenameHint, compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource($"{item.FilenameHint}.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
     }
 }

CommunityToolkit.Mvvm.SourceGenerators/ComponentModel/TransitiveMembersGenerator.cs

@@ -122,7 +122,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             ImmutableArray<MemberDeclarationSyntax> filteredMemberDeclarations = FilterDeclaredMembers(item.Info, sourceMemberDeclarations);
             CompilationUnitSyntax compilationUnit = item.Hierarchy.GetCompilationUnit(filteredMemberDeclarations, this.classDeclaration.BaseList);
 
-            context.AddSource(item.Hierarchy.FilenameHint, compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource($"{item.Hierarchy.FilenameHint}.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
     }
 

CommunityToolkit.Mvvm.SourceGenerators/Input/ICommandGenerator.cs

@@ -69,7 +69,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             ImmutableArray<MemberDeclarationSyntax> memberDeclarations = Execute.GetSyntax(item.Info);
             CompilationUnitSyntax compilationUnit = item.Hierarchy.GetCompilationUnit(memberDeclarations);
 
-            context.AddSource($"{item.Hierarchy.FilenameHint}.{item.Info.MethodName}", compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource($"{item.Hierarchy.FilenameHint}.{item.Info.MethodName}.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
     }
 }

CommunityToolkit.Mvvm.SourceGenerators/Messaging/IMessengerRegisterAllGenerator.cs

@@ -67,15 +67,15 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
         {
             CompilationUnitSyntax compilationUnit = Execute.GetSyntax(item);
 
-            context.AddSource("__IMessengerExtensions", compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource("__IMessengerExtensions.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
 
         // Generate the class with all registration methods
         context.RegisterImplementationSourceOutput(recipientInfo, static (context, item) =>
         {
             CompilationUnitSyntax compilationUnit = Execute.GetSyntax(item);
 
-            context.AddSource(item.FilenameHint, compilationUnit.GetText(Encoding.UTF8));
+            context.AddSource($"{item.FilenameHint}.g.cs", compilationUnit.GetText(Encoding.UTF8));
         });
     }
 }