sh
$ npm install regenerator-transform

js
// without options
{
  "plugins": ["regenerator-transform"]
}
// with options
{
  "plugins": [
    ["regenerator-transform", {
      asyncGenerators: false, // true by default
      generators: false, // true by default
      async: false // true by default
    }]
  ]
}

sh
$ babel --plugins regenerator-transform script.js

javascript
require("@babel/core").transformSync("code", {
  plugins: ["regenerator-transform"]
});