import { Component, OnInit, Input, ViewChild, ElementRef } from '@angular/core'; @Component({ selector: 'facebook', templateUrl: './facebook.component.html', styleUrls: ['./facebook.component.css'] }) export class FacebookComponent implements OnInit { @Input() postURL: string; @ViewChild('facebook') el: ElementRef; constructor() { } ngOnInit() { this.el.nativeElement.setAttribute("data-href", this.postURL); } ngAfterViewInit() { /** * Facebook SDK - * * */ } }