.babelrc

{
    "presets": ["es2015", "react", "stage-2"],
    "env": {
        "development": {
            "presets": ["es2015", "react", "stage-2"],
            "plugins": [
                ["transform-es2015-modules-commonjs-simple", {
                    "noMangle": true
                }]
            ]
        }
    }
}