{
    "env": {
        "production": {
            "presets": ["@babel/preset-env", "@babel/preset-react"],
            "plugins": ["@babel/plugin-proposal-class-properties",
                [
                    "css-modules-transform", {
                        "extractCss": "./lib/style.css"
                    }
                ]
            ]
        },
        "development": {
            "presets": ["@babel/preset-env", "@babel/preset-react"],
            "plugins": ["@babel/plugin-proposal-class-properties"]
        },
        "testing": {
            "presets": ["@babel/preset-env", "@babel/preset-react"],
            "plugins": ["@babel/plugin-proposal-class-properties"]
        }
    }
}