squid-js/.babelrc

{
  "presets": [
    "es2015",
    [
      "env", { "useBuiltIns": true }
    ],
    "stage-2"
  ],
  "plugins": [
    [
      "transform-runtime",
      {
        "polyfill": false,
        "regenerator": true
      }
    ]
  ]
}