date pipe
import { Pipe, PipeTransform } from '@angular/core';@Pipe({ name: 'dateCount'})export class DateCountPipe implements PipeTransform { transform(value: any): number { let today:Date = new Date(); //get current date and time let todayWithNoTime:any = new Date(today.getFullYear(), today.getMonth(), today.getDate()) var dateDifference = Math.abs(value - todayWithNoTime) //returns value in miliseconds const secondsInDay = 86400; //60 seconds * 60 minutes in an hour * 24 hours in a day var dateDifferenceSeconds = dateDifference*0.001; //converts miliseconds to seconds var dateCounter = dateDifferenceSeconds/secondsInDay; if (dateCounter >= 1 && value > todayWithNoTime){ return dateCounter; }else{ return 0; } }}