storybook/cypress/support/commands.js

// ***********************************************
// This example commands.js shows you how to
// create various custom commands and overwrite
// existing commands.
//
// For more comprehensive examples of custom
// commands please read more here:
// https://on.cypress.io/custom-commands
// ***********************************************
//
//
// -- This is a parent command --
// Cypress.Commands.add("login", (email, password) => { ... })
//
//
// -- This is a child command --
// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... })
//
//
// -- This is a dual command --
// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... })
//
//
// -- This is will overwrite an existing command --
// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })

const logger = console;
Cypress.Commands.add(
  'console',
  {
    prevSubject: true,
  },
  (subject, method = 'log') => {
    logger[method]('The subject is', subject);
    return subject;
  }
);

Cypress.Commands.add('getStoryElement', {}, () => {
  cy.log('getStoryElement');
  return cy
    .get(`#storybook-preview-iframe`, { log: false })
    .its('0.contentDocument.body', { log: false })
    .should('not.be.empty')
    .then((body) => cy.wrap(body, { log: false }))
    .find('#root', { log: false })
    .should('not.be.empty')
    .then((storyRoot) => cy.wrap(storyRoot, { log: false }));
});