For this blog post: https://medium.com/@robdel12/jest-bigtest-interactor-component-test-%EF%B8%8F-11b1947954c8

checkbox-interactor.js

import Interactor, {
  attribute,
  property,
  clickable,
  focusable,
  blurrable,
  is
} from "@bigtest/interactor";

@Interactor.extend
class CheckboxInteractor {
  tabIndex = attribute("input", "tabindex");
  isChecked = property("input", "checked");
  isDisabled = property("input", "disabled");
  hasFocus = is("input", ":focus");
  focusCheckbox = focusable("input");
  blurCheckbox = blurrable("input");
  toggleCheckbox = clickable("input");
}