* Removed unnecessary 'return' statements. Returning a 'Promise' value in 'promise.then()' makes promise chains. Used memory and promises are not garbage collected until finishing 'helpers.asyncToGenerator'. * Update test
babel-helpers
Collection of helper functions used by Babel transforms.
Install
$ npm install babel-helpers
Usage
import * as helpers from 'babel-helpers';
import * as t from 'babel-types';
const typeofHelper = helpers.get('typeof');
t.isExpressionStatement(typeofHelper);
// true