.babelrc

{
    "presets": ["@babel/react", ["@babel/preset-env", {
        "useBuiltIns": "usage",
        "shippedProposals": true,
        "debug": false,
        "include": ["es7.promise.finally", "es7.symbol.async-iterator", "es6.array.sort"],
        "modules": "auto",     
      }]
    ],
    "plugins": ["@babel/transform-runtime","@babel/plugin-proposal-class-properties","syntax-dynamic-import","syntax-object-rest-spread"],
    "sourceMaps": true,
    "retainLines": true
}


// {
//     "presets": ["@babel/react", ["@babel/preset-env", {
//         "useBuiltIns": false,
//         "debug": true,
//         "modules": false,
//         "targets": {
//             "node": "current"
//         }
//       }]
//     ],
//     "plugins": ["syntax-dynamic-import","syntax-object-rest-spread"],
//     "sourceMaps": true,
//     "retainLines": true
// }