{
  "validateLogs": true,
  "ignoreOutput": true,
  "presets": [
    [
      "env",
      {
        "debug": true,
        "exclude": [
          "transform-async-to-generator",
          "transform-regenerator",
          "transform-parameters"
        ],
        "targets": {
          "firefox": 52,
          "node": 7.4
        },
        "useBuiltIns": false
      }
    ]
  ]
}