antd-theme-generator/node_modules/promise/polyfill.js

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

// not "use strict" so we can declare global "Promise"

var asap = require('asap');

if (typeof Promise === 'undefined') {
  Promise = require('./lib/core.js')
  require('./lib/es6-extensions.js')
}

require('./polyfill-done.js');