{
    "presets": [
        [
            "env",
            {
                "modules": false,
                "targets": {
                    "browsers": [
                        "last 2 versions",
                        "safari >= 7",
                        "ie >= 9"
                    ]
                }
            }
        ]
    ],
    "plugins": [
        "syntax-dynamic-import",
        "transform-object-rest-spread",
        "transform-async-to-generator",
        "transform-decorators-legacy",
        "transform-class-properties"
    ]
}