Better error handling for undefined service identifier

Signed-off-by: Arda TANRIKULU <ardatanrikulu@gmail.com>
Urigo · Jan 16, 2019 · 9c62939 · 9c62939
1 parent a05bea3
commit 9c62939
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/di/src/utils.ts b/packages/di/src/utils.ts
@@ -6,8 +6,10 @@ export const PROVIDER_OPTIONS = 'provider-options';
 export function getServiceIdentifierName<T>(serviceIdentifier: ServiceIdentifier<T>) {
   if (typeof serviceIdentifier === 'function' && isType<T>(serviceIdentifier)) {
     return serviceIdentifier.name;
-  } else {
+  } else if (typeof serviceIdentifier !== 'undefined') {
     return serviceIdentifier.toString();
+  } else {
+    return 'undefined';
   }
 }