From 9a8adbee885fb209492b7f1ae0364470e3db4619 Mon Sep 17 00:00:00 2001
From: ntibi <ntibi@protonmail.com>
Date: Fri, 29 Apr 2022 12:48:10 +0200
Subject: [PATCH] feat(core): enhance circular dependency error message

---
 packages/core/injector/container.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/core/injector/container.ts b/packages/core/injector/container.ts
index b50957d384d..138524a5c9c 100644
--- a/packages/core/injector/container.ts
+++ b/packages/core/injector/container.ts
@@ -154,13 +154,13 @@ export class NestContainer {
     provider: Provider,
     token: string,
   ): string | symbol | Function {
+    const moduleRef = this.modules.get(token);
     if (!provider) {
-      throw new CircularDependencyException();
+      throw new CircularDependencyException(moduleRef?.metatype.name);
     }
-    if (!this.modules.has(token)) {
+    if (!moduleRef) {
       throw new UnknownModuleException();
     }
-    const moduleRef = this.modules.get(token);
     return moduleRef.addProvider(provider);
   }