dialog.component.ts

import { Component, OnInit, Inject } from '@angular/core';
import { MAT_DIALOG_DATA } from '@angular/material';

@Component({
  selector: 'app-dialog',
  templateUrl: './dialog.component.html',
  styleUrls: ['./dialog.component.scss']
})
export class DialogComponent implements OnInit {

  constructor(@Inject(MAT_DIALOG_DATA) public data: DialogData) { }

  ngOnInit() {
  }

}

export interface DialogData {
  themeColor: string;
}