{
    "presets": [
        [
            "@babel/env",
            {
                "targets": {
                    "browsers": [
                        "last 2 versions",
                        "Safari >= 8",
                        "IE >= 11",
                        "Firefox >= 57",
                        "Edge >= 14",
                        "Chrome >= 63"
                    ]
                }
            }
        ]
    ]
}