.babelrc-js

{
    "retainLines": true,
    "plugins": [
        [
            "@babel/plugin-transform-typescript",
            {
                "isTSX": true,
                "allExtensions": true
            }
        ]
    ],
    "presets": [
        [
            "@babel/preset-env",
            {
                "modules": false,
                "targets": {
                    "browsers": "last 1 Chrome versions"
                }
            }
        ]
    ]
}