@mainframe/bot-sdk/.babelrc

{
  "presets": [
    ["env", {
      "targets": {
        "node": 6
      }
    }],
    "react"
  ],
  "plugins": [
    "syntax-export-extensions",
    "syntax-object-rest-spread",
    "transform-export-extensions",
    "transform-object-rest-spread"
  ]
}