import { Component, OnDestroy } from '@angular/core'; import { Subject } from 'rxjs'; @Component({ selector: 'rtl-peerswap-peers', templateUrl: './swap-peers.component.html', styleUrls: ['./swap-peers.component.scss'] }) export class SwapPeersComponent implements OnDestroy { private unSubs: Array> = [new Subject(), new Subject(), new Subject(), new Subject()]; constructor() {} ngOnDestroy() { this.unSubs.forEach((completeSub) => { completeSub.next(null); completeSub.complete(); }); } }