HOSN-app/app/src/pipes/diff-for-humans/diff-for-humans.ts

import { Pipe, PipeTransform } from '@angular/core';
import TimeAgo from 'javascript-time-ago';
import en from 'javascript-time-ago/locale/en';

TimeAgo.locale(en);
const timeAgo = new TimeAgo('en-US');

/**
 * Generated class for the DiffForHumansPipe pipe.
 *
 * See https://angular.io/api/core/Pipe for more info on Angular Pipes.
 */
@Pipe({
  name: 'diffForHumans',
})
export class DiffForHumansPipe implements PipeTransform {
  /**
   * Takes a timestamp and makes the diff readable for humans.
   */
  transform(value: string, ...args) {
    return timeAgo.format(new Date(value));
  }
}