Angular Pipe For Display Days from Specific Date

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';

import { AppComponent } from './app.component';
import { HelloComponent } from './hello.component';
import { DayAgoPipe } from './day-ago-pipe';
@NgModule({
  imports:      [ BrowserModule, FormsModule ],
  declarations: [ AppComponent, HelloComponent, DayAgoPipe ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }

import { Component } from '@angular/core';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
  dataArray = [
    {
      name: 'Hum Chaar',
      date: '02/15/2019'
    },
    {
      name: 'Spider-man: far from home',
      date: '07/05/2019'
    },
    {
      name: 'Avengers: Endgame',
      date: '24 April 2019'
    }, {
      name: 'Shazam',
      date: 1562265000000
    }
  ];

}

<h3>DayAgo Pipe - Example</h3>
<ul class="list-group">
  <li *ngFor="let i of dataArray;" class="list-group-item d-flex justify-content-between align-items-center">
    {{i.name}}
    <span class="badge badge-primary badge-pill">
      {{i.date | DayAgo}}
    </span>
  </li>
</ul>

import { Pipe, PipeTransform } from '@angular/core';
@Pipe({
	name: 'DayAgo',
})
export class DayAgoPipe implements PipeTransform {
	transform(value: any) {
		if (value) {
			const oneDay = 24*60*60*1000; // hours*minutes*seconds*milliseconds
			const today = new Date();
			const firstDate = new Date(today.getFullYear(),  today.getMonth() + 1, today.getDate());

			const nextDate = new Date(value);
			const secondDate = new Date(nextDate.getFullYear(),  nextDate.getMonth() + 1, nextDate.getDate());
			const diffDays = Math.round(Math.abs((firstDate.getTime() - secondDate.getTime())/(oneDay)));
      if (diffDays === 0) {
				return 'Today';
			} else {
				return diffDays + ' days to go';
			}
		}
		return value;
	}
}