hollygood

//========================================= dynamic-fields.service.ts

import { Injectable } from '@angular/core';
import { FormControl, Validators } from '@angular/forms';

/**
 * @description Dynamic fields service is used to generate reactive form group fields with Validators
 */
@Injectable({
    providedIn: 'root'

hollygood

Use 'unsubscribe':

export class ExampleComponent implements OnInit, OnDestroy {
  exampleSubOne: Subscription;
  exampleSubTwo: Subscription;

  constructor(private exampleService: ExampleService) {}

  ngOnInit() {