From 2c87fc156b6343b1ac789ecd5de0a4b64a2f7361 Mon Sep 17 00:00:00 2001
From: Anthony Fu <anthonyfu117@hotmail.com>
Date: Mon, 13 May 2024 11:57:18 +0200
Subject: [PATCH] fix: expose types for `esm/api` (#551)

Co-authored-by: Hiroki Osame <hiroki.osame@gmail.com>
---
 src/esm/api/index.ts    | 10 +++++++++-
 src/esm/api/register.ts | 24 +++++++++++++-----------
 2 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/src/esm/api/index.ts b/src/esm/api/index.ts
index f976c3d4d..ff9bb4a0f 100644
--- a/src/esm/api/index.ts
+++ b/src/esm/api/index.ts
@@ -1,2 +1,10 @@
-export { register } from './register.js';
+export {
+	register,
+	type InitializationOptions,
+	type NamespacedUnregister,
+	type Register,
+	type RegisterOptions,
+	type Unregister,
+} from './register.js';
+export type { ScopedImport } from './scoped-import.js';
 export { tsImport } from './ts-import.js';
diff --git a/src/esm/api/register.ts b/src/esm/api/register.ts
index baafc37ff..6e610bea7 100644
--- a/src/esm/api/register.ts
+++ b/src/esm/api/register.ts
@@ -8,21 +8,23 @@ export type InitializationOptions = {
 	port?: MessagePort;
 };
 
-type Options = {
+export type RegisterOptions = {
 	namespace?: string;
 	onImport?: (url: string) => void;
 };
 
-type Unregister = () => Promise<void>;
-type Register = {
-	(options: {
-		namespace: string;
-		onImport?: (url: string) => void;
-	}): Unregister & {
-		import: ScopedImport;
-		unregister: Unregister;
-	};
-	(options?: Options): Unregister;
+export type Unregister = () => Promise<void>;
+
+export type NamespacedUnregister = Unregister & {
+	import: ScopedImport;
+	unregister: Unregister;
+};
+
+type RequiredProperty<Type, Keys extends keyof Type> = Type & { [P in Keys]-?: Type[P] };
+
+export type Register = {
+	(options: RequiredProperty<RegisterOptions, 'namespace'>): NamespacedUnregister;
+	(options?: RegisterOptions): Unregister;
 };
 
 export const register: Register = (