.babelrc

{
  "plugins": [
    "lodash",
    "transform-es2015-modules-commonjs",
    "transform-object-rest-spread",
    "transform-class-properties",
    "array-includes",
    [
      "transform-runtime", {
        "polyfill": false,
        "regenerator": true
      }
    ]
  ],
  "presets": [
    "flow",
    "react",
    ["env", {
      "targets": {
        "node": "current"
      }
    }]
  ],
  "env": {
    "browser": {
      "plugins": [
        "lodash",
        "transform-es2015-modules-commonjs",
        "transform-object-rest-spread",
        "transform-class-properties",
        "array-includes",
        [
          "transform-runtime", {
            "polyfill": false,
            "regenerator": true
          }
        ]
      ],
      "presets": [
        "flow",
        "react",
        ["env", {
          "targets": {
            "browsers": [
              "chrome >= 44",
              "edge >= 14",
              "firefox >= 40",
              "ie >= 11",
              "opera >= 43",
              "safari >= 9"
            ]
          }
        }]
      ]
    }
  }
}