Method _resolveAttachToOptions

shepherd.js/src/step.ts:495–498

* Resolves attachTo options. * @returns {{}|{element, on}}

()

   * @returns {{}|{element, on}}
   */
  _resolveAttachToOptions() {
    this._resolvedAttachTo = parseAttachTo(this);
    return this._resolvedAttachTo;
  }

  /**
   * A selector for resolved attachTo options.