import { Component, OnInit, Inject } from '@angular/core'; import { Router, ActivatedRoute } from '@angular/router'; import {MatDialogRef, MatDialog} from '@angular/material'; @Component({ selector: 'app-error', templateUrl: './error.component.html', styleUrls: ['./error.component.scss'] }) export class ErrorComponent implements OnInit { router: Router; subscription; public errorMessage: string; dialogRef: MatDialogRef constructor(router: Router, dialogRef: MatDialogRef) { this.router = router; this.dialogRef = dialogRef; } ngOnInit() { } onOkClicked() { this.dialogRef.close() } }