tonysneed

NOTE: These steps are only required if you want to use a version of TypeScript that is not the same as the version that is bundled with Visual Studio Code.

• Install the latest version of TypeScript

  npm install -g typescript@version
  

• Configure VS Code to use installed version of TypeScript by opening Preferences, User Settings.

wavded

function map (arr, func) {
  return Promise.resolve().then(function () {
    return arr.map(function (el) { return func(el) })
  }).all()
}

function mapSeries (arr, func) {
  let currentPromise = Promise.resolve()
  let promises = arr.map(function (el) {
    return currentPromise = currentPromise.then(function () {