Cypress Promises

cypress-promises.js

const throwsAnError = function(message) {
      return new Cypress.Promise((resolve, reject) => {
          setTimeout(() => {
            //throw "Emergency! Emergency!"
             resolve(message);
            //reject("All American Rejects!");
          }, 3500);
      });
    }

    let message;

    cy.wrap(throwsAnError("1. First One!"))
    .then((result) => {
      expect(result).to.equal("1. First One!");
      const person = {
        name: "Fern"
      };
      return Cypress.Promise.resolve([person, "2. Order fries!"]);
    })
    .then(([person, result]) => {
      expect(result).to.equal("2. Order fries!");

      return new Cypress.Promise((resolve) => {
        throwsAnError("3. Order milkshake!").then((message) => {
          person.message = message;
          resolve([person, message]);
        });
      });
    })
    .then(([person, result]) => {
      expect(person.name).to.equal("Fern");
      expect(person.message).to.equal(result);
      expect(result).to.equal("3. Order milkshake!");
      return throwsAnError("4.");
    })
    .then((result) => {
      expect(result).to.equal("4.");
      return throwsAnError("5.");
    })
    .then((result) => {
      expect(result).to.equal("5.");
    });