import { Output, EventEmitter, OnInit, OnDestroy } from '@angular/core'; import { OpenThreadEvent } from '../../services/tools.service'; export abstract class BrowseBase implements OnInit, OnDestroy { @Output() browseAccountEvent = new EventEmitter(); @Output() browseHashtagEvent = new EventEmitter(); @Output() browseThreadEvent = new EventEmitter(); abstract ngOnInit(); abstract ngOnDestroy(); browseAccount(accountName: string): void { this.browseAccountEvent.next(accountName); } browseHashtag(hashtag: string): void { this.browseHashtagEvent.next(hashtag); } browseThread(openThreadEvent: OpenThreadEvent): void { this.browseThreadEvent.next(openThreadEvent); } }