Function markAllAsTouched

packages/forms/src/model/abstract_model.ts:1047–1051

* Marks the control and all its descendant controls as `touched`. * @see markAsTouched() * * @param opts Configuration options that determine how the control propagates changes * and emits events after marking is applied. * * `emitEvent`: When true or not supplied (the default

(opts: {emitEvent?: boolean} = {})

   *
   */
  markAllAsTouched(opts: {emitEvent?: boolean} = {}): void {
    this.markAsTouched({onlySelf: true, emitEvent: opts.emitEvent, sourceControl: this});

    this._forEachChild((control: AbstractControl) => control.markAllAsTouched(opts));
  }

  /**
   * Marks the control as `untouched`.