From b3dd1b84d397f0a466a2528c66703f6ab200c5d8 Mon Sep 17 00:00:00 2001
From: Marco Weber <marco.weber-mm@t-online.de>
Date: Tue, 8 Aug 2023 16:01:04 +0200
Subject: [PATCH] - improved tsconfig.json

---
 src/ServiceContainer.ts  | 4 ++--
 src/decorators.ts        | 2 +-
 tests/decorators.test.ts | 1 +
 tsconfig.json            | 5 ++++-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/ServiceContainer.ts b/src/ServiceContainer.ts
index bbeb88e..d63b5f6 100644
--- a/src/ServiceContainer.ts
+++ b/src/ServiceContainer.ts
@@ -24,7 +24,7 @@ export default {
     }
 
     if (!service.instance) {
-      service.instance = service.factory();
+      service.instance = service.factory?.();
       service.factory = undefined;
     }
 
@@ -63,6 +63,6 @@ function getFactory(factoryOrClassReference: Factory | Function): Factory {
 
 type Factory = () => any;
 type Service = {
-  factory: () => any;
+  factory?: Factory;
   instance?: any;
 }
diff --git a/src/decorators.ts b/src/decorators.ts
index a6867a3..febe2be 100644
--- a/src/decorators.ts
+++ b/src/decorators.ts
@@ -7,7 +7,7 @@ export function inject(serviceIdOrTarget: Object | string, propertyKey?: string)
     };
   }
 
-  redefineObject(serviceIdOrTarget, propertyKey);
+  redefineObject(serviceIdOrTarget, propertyKey!);
 }
 
 function redefineObject(target: Object, propertyKey: string, serviceId?: string) {
diff --git a/tests/decorators.test.ts b/tests/decorators.test.ts
index 5a020b6..2eaa6a4 100644
--- a/tests/decorators.test.ts
+++ b/tests/decorators.test.ts
@@ -26,6 +26,7 @@ describe('decorators', () => {
 
     inject(anObject, 'aService');
 
+    // @ts-ignore
     expect(() => anObject.aService = jest.fn()).toThrow('Injected property [aService] can\'t be reset');
   });
 
diff --git a/tsconfig.json b/tsconfig.json
index 1d09eec..3aec876 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,7 +6,10 @@
     "declaration": true,
     "esModuleInterop": true,
     "moduleResolution": "node",
-    "module": "commonjs"
+    "module": "commonjs",
+    "strict": true,
+    "noImplicitAny": true,
+    "strictPropertyInitialization": true
   },
   "include": [
     "src/**/*"