.babelrc

{
  "env": {
    "test": {
      "presets": [
        ["env", {"targets": { "node": "current" }}],
        "react",
        "stage-2"
      ],
      "plugins": ["babel-plugin-rewire"]
    },
    "development": {
      "presets": [
        ["env", { "targets": { "browsers": ["last 2 versions", "ie >= 10"] } }],
        "react",
        "stage-2"
      ]
    },
    "production": {
      "presets": [
        ["env", { "targets": { "browsers": ["last 2 versions", "ie >= 10"] } }],
        "react",
        "stage-2"
      ],
      "plugins": [
        "transform-react-remove-prop-types",
        "transform-react-constant-elements",
        "transform-react-pure-class-to-function"
      ]
    },
    "production-es6": {
      "presets": [
        ["env", { "modules": false, "targets": { "browsers": ["last 2 versions", "ie >= 10"] } }],
        "react",
        "stage-2"
      ],
      "plugins": [
        "transform-react-remove-prop-types",
        "transform-react-constant-elements",
        "transform-react-pure-class-to-function"
      ]
    }
  }
}