item.component.html

<button (click)=”deleteItem()”>Delete item</button>

item.component.ts

import { Component, OnInit } from '@angular/core';
import { Confirmable } from '../decorators/confirmable.decorator';

@Component({
  selector: 'app-item',
  templateUrl: ‘./item.component.html',
  styleUrls: ['./item.component.scss']
})
export class ItemComponent implements OnInit {

  constructor() {}

  ngOnInit(): void {}

  @Confirmable({ title: 'Are you sure', html: 'Do you want to delete this item?’, icon: 'warning'})
  deleteItem(): void {
    //Code to delete your item
  }

}