import { Component , OnInit } from '@angular/core' ; import { MatDialogRef } from '@angular/material/dialog' ; @ Component ( { selector : 'app-renameDialog' , templateUrl : './renameDialog.component.html' , styleUrls : [ './renameDialog.component.css' ] } ) export class RenameDialogComponent implements OnInit { constructor ( public dialogRef ) { } folderName : string ; ngOnInit ( ) { } }