.babelrc

{
  "presets": [
    "@babel/preset-env",
    "@babel/preset-react"
  ],
  "plugins": [
    "@babel/plugin-transform-modules-commonjs",
    "@babel/plugin-proposal-object-rest-spread",
    "@babel/plugin-syntax-dynamic-import",
    ["@babel/plugin-transform-runtime",
      {
        "regenerator": true
      }
    ]
  ],
  "env": {
    "test": {
      "presets": [
        "@babel/preset-env",
        "@babel/preset-react"
      ],
      "plugins": [
        "@babel/plugin-transform-modules-commonjs",
        ["@babel/plugin-transform-runtime",
          {
            "regenerator": true
          }
        ]
      ]
    }
  },
  "ignore": ["node_modules"]
}