Babel preset to convert async functions to bluebird coroutines.
$ npm install --save-dev babel-preset-async-to-bluebird
.babelrc
{
"presets": ["async-to-bluebird"]
}
$ babel script.js --preset async-to-bluebird
require("babel-core").transform("code", {
presets: ["async-to-bluebird"]
});