Method reset

packages/forms/src/model/form_array.ts:434–451

* Resets the `FormArray` and all descendants are marked `pristine` and `untouched`, and the * value of all descendants to null or null maps. * * You reset to a specific form state by passing in an array of states * that matches the structure of the control. The state is a standalone valu

(
    value: ɵTypedOrUntyped<TControl, ɵFormArrayValue<TControl>, any> = [],
    options: {
      onlySelf?: boolean;
      emitEvent?: boolean;
      overwriteDefaultValue?: boolean;
    } = {},
  )

   * updateValueAndValidity} method.
   */
  override reset(
    value: ɵTypedOrUntyped<TControl, ɵFormArrayValue<TControl>, any> = [],
    options: {
      onlySelf?: boolean;
      emitEvent?: boolean;
      overwriteDefaultValue?: boolean;
    } = {},
  ): void {
    this._forEachChild((control: AbstractControl, index: number) => {
      control.reset(value[index], {...options, onlySelf: true});
    });
    this._updatePristine(options, this);
    this._updateTouched(options, this);
    this.updateValueAndValidity(options);
    if (options?.emitEvent !== false) {
      this._events.next(new FormResetEvent(this));
    }
  }

  /**
   * The aggregate value of the array, including any disabled controls.