Creating a service to handle time countering.

src/app/services/timeCounter.service.ts

@@ -0,0 +1,15 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class CounterService {
+    async countForMinute(updateCallback: (count: number) => void): Promise<void> {
+        const endTime = 60;
+
+        for (let count = 0; count <= endTime; count++) {
+          updateCallback(endTime - count);
+          await new Promise(resolve => setTimeout(resolve, 1000));
+        }
+    }
+}