Not able to display data in local storage to form

  ngOnInit() {
    this.createRegForm();

    // predraft form retrieved from local storage
    const draft = localStorage.getItem('STEP_1');

    if (draft) {
      this.formData.setValue(JSON.parse(draft));
    }
    // predraft form saved to local storage
    this.formData.valueChanges
      .pipe(filter(() => this.formData.valid))
      .subscribe((val) => localStorage.setItem('STEP_1', JSON.stringify(val)));
  }