.babelrc

{
    "presets" : [
        [
            "@babel/preset-env",
            {
                "targets" : {
                    "node" : "20",
                    "browsers" : [
                        "> 1%",
                        "last 2 node versions",
                        "ie > 11"
                    ]
                },
                "useBuiltIns" : "usage",
                "corejs" : 3
            }
        ],
        "@babel/preset-typescript"
    ],
    "sourceType": "module",
    "sourceMap": true
}