.babelrc.json

{
    "presets": [
        [
            "@babel/env",
            {
                    "modules": "commonjs"
            }
        ],
        [
            "@babel/typescript", {
                    "modules": "commonjs"
            }
        ]
    ],
    "plugins": [
        "@babel/plugin-proposal-object-rest-spread",
        "@babel/plugin-proposal-function-bind",

        "@babel/plugin-proposal-class-properties",
        "@babel/plugin-transform-regenerator",
        "@babel/plugin-transform-runtime"
    ],
    "env": {
        "test": {
            "plugins": []
        }
    }
}