fix(napi-derive): correct the aliased type generation

examples/napi/__test__/typegen.spec.ts.md

@@ -78,6 +78,15 @@ Generated by [AVA](https://avajs.dev).
       age?: number | undefined | null␊
     }␊
     export function receiveAllOptionalObject(obj?: AllOptionalObject | undefined | null): void␊
+    export enum ALIAS {␊
+      A = 0,␊
+      B = 1␊
+    }␊
+    export interface AliasedStruct {␊
+      a: ALIAS␊
+      b: number␊
+    }␊
+    export function fnReceivedAliased(s: AliasedStruct, e: ALIAS): void␊
     export function asyncPlus100(p: Promise<number>): Promise<number>␊
     /** This is an interface for package.json */␊
     export interface PackageJson {␊

examples/napi/__test__/values.spec.ts

@@ -60,6 +60,9 @@ import {
   createExternalTypedArray,
   mutateTypedArray,
   receiveAllOptionalObject,
+  fnReceivedAliased,
+  ALIAS,
+  AliasedStruct,
 } from '../'
 
 test('export const', (t) => {
@@ -208,6 +211,15 @@ test('option object', (t) => {
   t.notThrows(() => receiveAllOptionalObject({}))
 })
 
+test('aliased rust struct and enum', (t) => {
+  const a: ALIAS = ALIAS.A
+  const b: AliasedStruct = {
+    a,
+    b: 1,
+  }
+  t.notThrows(() => fnReceivedAliased(b, ALIAS.B))
+})
+
 test('serde-json', (t) => {
   const packageJson = readPackageJson()
   t.is(packageJson.name, 'napi-rs')

examples/napi/index.d.ts

@@ -68,6 +68,15 @@ export interface AllOptionalObject {
   age?: number | undefined | null
 }
 export function receiveAllOptionalObject(obj?: AllOptionalObject | undefined | null): void
+export enum ALIAS {
+  A = 0,
+  B = 1
+}
+export interface AliasedStruct {
+  a: ALIAS
+  b: number
+}
+export function fnReceivedAliased(s: AliasedStruct, e: ALIAS): void
 export function asyncPlus100(p: Promise<number>): Promise<number>
 /** This is an interface for package.json */
 export interface PackageJson {

examples/napi/src/object.rs

@@ -42,3 +42,20 @@ fn receive_all_optional_object(obj: Option<AllOptionalObject>) -> Result<()> {
   }
   Ok(())
 }
+
+#[napi(js_name = "ALIAS")]
+pub enum AliasedEnum {
+  A,
+  B,
+}
+
+#[napi(object, js_name = "AliasedStruct")]
+pub struct StructContainsAliasedEnum {
+  pub a: AliasedEnum,
+  pub b: u32,
+}
+
+#[napi]
+fn fn_received_aliased(mut s: StructContainsAliasedEnum, e: AliasedEnum) {
+  s.a = e;
+}