.babelrc

{
    "env": {
        "development": {
            "presets": [ "react-app" ]
        },
        "production": {
            "presets": [ "react-app" ]
        },
        "test": {
            "presets": [ "react-app" ]
        },
        "commonjs": {
            "presets": [ "./scripts/babel-preset.js", "stage-1", "react" ],
            "plugins": [
                "transform-object-assign",
                "transform-react-constant-elements",
                "transform-runtime",
                "babel-plugin-transform-flow-strip-types"
            ]
        },
        "modules": {
            "presets": [ "./scripts/babel-preset.js", "stage-1", "react" ],
            "plugins": [
                "transform-object-assign",
                "transform-react-constant-elements",
                "transform-runtime",
                "babel-plugin-transform-flow-strip-types"
            ]
        }
    }
}