Add snippet test of name override (#27)

codegen/snippet-tests/input/12-moduleNameOverride.pkl

@@ -0,0 +1,18 @@
+@typescript.Name { value = "N12TypescriptGeneratedInterface" }
+module n12.pkl.typescript.tests.moduleNameOverride
+
+import "../../src/typescript.pkl"
+
+@typescript.Name { value = "MyCustomClassName" }
+class CustomClassImpl {
+  name: String
+}
+
+@typescript.Name { value = "classTypeProperty" }
+x: CustomClassImpl
+
+@typescript.Name { value = "ThisTypeAlias" }
+typealias AliasName = "x"|"y"|CustomClassImpl
+
+@typescript.Name { value = "typeAliasProperty" }
+y: AliasName

codegen/snippet-tests/output/n12_pkl_typescript_tests_module_name_override.pkl.ts

@@ -0,0 +1,31 @@
+// This file was generated by `pkl-typescript` from Pkl module `n12.pkl.typescript.tests.moduleNameOverride`.
+// DO NOT EDIT.
+import * as pklTypescript from "@pkl-community/pkl-typescript"
+
+// Ref: Module root.
+export interface N12TypescriptGeneratedInterface {
+  classTypeProperty: MyCustomClassName
+
+  typeAliasProperty: ThisTypeAlias
+}
+
+// Ref: Pkl class `n12.pkl.typescript.tests.moduleNameOverride.CustomClassImpl`.
+export interface MyCustomClassName {
+  name: string
+}
+
+type ThisTypeAlias = "x" | "y" | MyCustomClassName
+
+// LoadFromPath loads the pkl module at the given path and evaluates it into a N12TypescriptGeneratedInterface
+export const loadFromPath = async (path: string): Promise<N12TypescriptGeneratedInterface> => {
+  const evaluator = await pklTypescript.newEvaluator(pklTypescript.PreconfiguredOptions);
+  try {
+    const result = await load(evaluator, pklTypescript.FileSource(path));
+    return result
+  } finally {
+    evaluator.close()
+  }
+};
+
+export const load = (evaluator: pklTypescript.Evaluator, source: pklTypescript.ModuleSource): Promise<N12TypescriptGeneratedInterface> =>
+  evaluator.evaluateModule(source) as Promise<N12TypescriptGeneratedInterface>;