.babelrc

{
  "presets": ["airbnb", "stage-0"],

  "env": {
    "development-client": {
      "plugins": [
        "transform-runtime",
        ["react-transform", {
          "transforms": [
            {
              "transform": "react-transform-hmr",
              "imports": ["react"],
              "locals": ["module"]
            },
            {
              "transform": "react-transform-catch-errors",
              "imports": ["react", "redbox-react"]
            }
          ]
        }]
      ]
    },

    "development-server": {
      "plugins": [
        ["transform-runtime", {
          "regenerator": true
        }],
        ["react-transform", {
          "transforms": [
            {
              "transform": "react-transform-hmr",
              "imports": ["react"],
              "locals": ["module"]
            },
            {
              "transform": "react-transform-catch-errors",
              "imports": ["react", "redbox-react"]
            }
          ]
        }]
      ]
    },

   "production-client": {
      "plugins": "transform-runtime"
   },

   "production-server": {
      "plugins": [
        ["transform-runtime", {
          "regenerator": true
        }]
      ]
   }
  }
}