.babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "debug": false
      }
    ]
  ],
  "plugins": [
    ["@babel/plugin-transform-classes"],
    ["@babel/plugin-transform-async-to-generator"],
    ["@babel/plugin-transform-template-literals"],
  ],
  "env": {
    "test": {
      "plugins": ["@babel/plugin-transform-runtime"]
    }
  }
}