* 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-core
Babel compiler core.
Install
$ npm install babel-core
Usage
import babel from 'babel-core';
const code = `class Example {}`;
const result = babel.transform(code, { /* options */ });
result.code; // Generated code
result.map; // Sourcemap
result.ast; // AST
For more in depth documentation see: http://babeljs.io/docs/usage/api/