Cypress - Magento2 loginAsCustomer() command

commands.js

Cypress.Commands.add("loginAsCustomer", (username, password) => {
    cy.request('/customer/account/login')
        .its('body')
        .then((body) => {
            const $html = Cypress.$(body)
            const formKey = $html.find('input[name="form_key"]').val()

            cy.request({
                    method: 'POST',
                    url: '/customer/account/loginPost',
                    failOnStatusCode: false, // dont fail so we can make assertions
                    form: true, // we are submitting a regular form body
                    body: {
                        login: {
                            username,
                            password,
                        },
                        form_key: formKey, // insert this as part of form body
                    },
                })
                .then((resp) => {
                    expect(resp.status).to.eq(200)

                    resp.headers['set-cookie'].forEach(cookie => {
                        const [nameValueString, ] = cookie.split(';')
                        const [cookieName, cookieValue] = nameValueString.split('=')

                        cy.setCookie(cookieName, cookieValue);
                    })
                });
        })
})