mock.component.ts

export class UserProfileComponent implements OnInit {
      profileDataOfUser: IFixtureUserProfile;
      insertObjectInArray = [];
  constructor(private user: UserProfileService) { }

  ngOnInit() {
   this.getProfileData();
  }

  getProfileData(): void {
    this.user.getMockData().subscribe(data => {
      this.profileDataOfUser = data;
      this.insertObjectInArray.push(data);
    });
  }
}