Made namespace node optional

Author: LeBoufty

packages/cli/src/languagePlugins/csharp/namespaceResolver/index.ts

@@ -30,7 +30,7 @@ export interface ExportedSymbol {
 
 export interface Namespace {
   name: string;
-  node: Parser.SyntaxNode;
+  node?: Parser.SyntaxNode; // Optional because some namespaces are merely theoretical
   identifierNode?: Parser.SyntaxNode; // Optional because the root namespace doesn't have an identifier
   exports: ExportedSymbol[];
   childrenNamespaces: Namespace[];
@@ -59,7 +59,6 @@ export class NamespaceResolver {
       {
         name: "",
         node: file.rootNode,
-        identifierNode: undefined,
         exports: this.#getExportsFromNode(file.rootNode),
         childrenNamespaces: this.#getNamespacesFromNode(file.rootNode),
       },

packages/cli/src/languagePlugins/csharp/testFiles/csharpFiles/Models.cs

@@ -1,3 +1,4 @@
+namespace MyApp.Models;
 public class User
 {
     public string Name { get; set; }