fix(core): support injection of object with null constructor. (#56553)

JeanMeche · thePunderWoman · commit 331b30ebebe7 · 2024-07-02T17:33:31.000Z
This is debug only code, it shouldn't have any consequences on prod build. fixes #56552 PR Close #56553
diff --git a/packages/core/src/render3/debug/framework_injector_profiler.ts b/packages/core/src/render3/debug/framework_injector_profiler.ts
@@ -207,11 +207,13 @@ function handleInstanceCreatedByInjectorEvent(
 
   // if our value is an instance of a standalone component, map the injector of that standalone
   // component to the component class. Otherwise, this event is a noop.
-  let standaloneComponent: Type<unknown> | undefined = undefined;
+  let standaloneComponent: Type<unknown> | undefined | null = undefined;
   if (typeof value === 'object') {
-    standaloneComponent = value?.constructor as Type<unknown>;
+    standaloneComponent = value?.constructor as Type<unknown> | undefined | null;
   }
-  if (standaloneComponent === undefined || !isStandaloneComponent(standaloneComponent)) {
+
+  // We want to also cover if `standaloneComponent === null` in addition to `undefined`
+  if (standaloneComponent == undefined || !isStandaloneComponent(standaloneComponent)) {
     return;
   }
 
