HOSN-app/app/src/components/feed/feed.ts

import { Component, Input, Output, ChangeDetectionStrategy, EventEmitter } from '@angular/core';
import { Refresher } from 'ionic-angular';

/**
 * Generated class for the FeedComponent component.
 *
 * See https://angular.io/api/core/Component for more info on Angular
 * Components.
 */
@Component({
  selector: 'feed',
  templateUrl: 'feed.html',
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class FeedComponent {

  @Input() data: any[];
  @Output() onRefresh: EventEmitter<any> = new EventEmitter<any>();
  @Output() onLoadMore: EventEmitter<any> = new EventEmitter<any>();

  constructor() { }

  doRefresh(refresher: Refresher) {
    this.onRefresh.emit(refresher);
  }

  doInfinite(infiniteScroll) {
    this.onLoadMore.emit(infiniteScroll);
  }
}