.babelrc

{
    "env": {
        "development": {
            "presets": [
                [
                    "env",
                    {
                        "modules": false,
                        "targets": {
                            "chrome": 67
                        }
                    }
                ]
            ],
            "plugins": [
                "transform-object-rest-spread"
            ]
        },
        "production": {
            "presets": [
                [
                    "env",
                    {
                        "modules": false,
                        "targets": {
                            "chrome": 67
                        }
                    }
                ]
            ],
            "plugins": [
                "transform-object-rest-spread"
            ]
        }
    }
}