From d81b0937f5e36e46415d68806b66707f02fd0ad3 Mon Sep 17 00:00:00 2001
From: Hung Pham <truonghungit@gmail.com>
Date: Thu, 16 Apr 2026 14:45:43 +0700
Subject: [PATCH] fix(challenge 50): preventing unwanted re-runs with untracked

---
 .../51-function-call-effect/src/app/action.component.ts    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apps/signal/51-function-call-effect/src/app/action.component.ts b/apps/signal/51-function-call-effect/src/app/action.component.ts
index 22e0e7a4f..862be23a9 100644
--- a/apps/signal/51-function-call-effect/src/app/action.component.ts
+++ b/apps/signal/51-function-call-effect/src/app/action.component.ts
@@ -4,6 +4,7 @@ import {
   effect,
   inject,
   signal,
+  untracked,
 } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 import { UserService } from './user.service';
@@ -38,7 +39,11 @@ export class ActionsComponent {
 
   constructor() {
     effect(() => {
-      this.userService.log(this.action() ?? 'No action selected');
+      const action = this.action();
+
+      untracked(() => {
+        this.userService.log(action ?? 'No action selected');
+      });
     });
   }
 }