Gil Tayar giltayar

## computeIntensiveRunner.js
const {promisify} = require('util')
const crypto = require('crypto')

function randomString() {
  return crypto.randomBytes(100).toString('hex');
}

function* computeIntensiveCode() {
  const hash = crypto.createHash('sha256');
  for (let i=0; i < 100; i++) {

## cypress-example.js
'use strict'
describe(`TodoMVC using Cypress`, function () {
  it('can add todos and then delete them', () => {
    cy.visit('http://todomvc.com/examples/react/#/')

    cy.get('.new-todo').type('Cook dinner{enter}')

    cy.get('.view > label').should('have.text', 'Cook dinner')

    cy.get('.new-todo').type('Clean house{enter}').then(() => {debugger})

## cypress-good-conditional-code.js
    cy.contains('item left')
      // do the following code on the element that contains "item left".
      .then(countItemsLeft => {

        // if the text in the element is "1 items left", log it.
        if (countItemsLeft.innerText === '1 items left') {
          console.log('lalala!')
        }
      })

## cypress-bad-conditional-code.js

    const countItemsLeft = cy.contains('item left')

    if (countItemsLeft.innerText === '1 items left') {
      // do something...
    }

## cypress-todomvc-example_spec.js
describe(`TodoMVC using Cypress`, function () {
  it('can add todos and then delete them', () => {
    // visit the todomvc application
    cy.visit('http://todomvc.com/examples/react/#/')

    // type a new todo into the "new todo" input field.
    cy.get('.new-todo').type('Cook dinner{enter}')

    // ensure that a new todo was created correctly
    cy.get('.view > label').should('have.text', 'Cook dinner')

## main(CJS).js
const {kettle} = require('./kettle.mjs') // fails with error

console.log(kettle)

## .babelrc
{
  "plugins": [
    "transform-es2015-modules-commonjs", "dynamic-import-node"
  ]
}

## esm-dual-mode-package.json
{
  "name": "dual-cjs-mjs-package",
  "version": "1.0.0",
  "description": "A package that can be both imported as esm and as cjs",
  "main": "entry",
  "scripts": {
    "build": "babel *.mjs **/*.mjs --out-dir ."
  },
  "devDependencies": {
    "babel-cli": "^6.26.0",

## main(ESM)-2.mjs
import kettleModule from './kettle.js' // succeeds

console.log(kettleModule.kettle)

## main(ESM).mjs
const {kettle} = require('./kettle.js') // fails with error

console.log(kettle)