infrastructure-components/node_modules/isomorphic-fetch/fetch-npm-browserify.js

Infrastructure-Components configure the infrastructure of your React-App as part of your React-Components.

// the whatwg-fetch polyfill installs the fetch() function
// on the global object (window or self)
//
// Return that as the export for use in Webpack, Browserify etc.
require('whatwg-fetch');
module.exports = self.fetch.bind(self);