.babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "loose": true
      }
    ],
    "@babel/preset-react",
    "@babel/preset-typescript"
  ],
  "plugins": [
    "@babel/plugin-transform-runtime",
    "babel-plugin-styled-components",
    "transform-react-remove-prop-types",
    [
      "@babel/plugin-proposal-class-properties",
      {
        "loose": true
      }
    ],
    [
      "@babel/plugin-proposal-private-methods",
      {
        "loose": true
      }
    ],
    [
      "@babel/plugin-proposal-private-property-in-object",
      {
        "loose": true
      }
    ],
    "@babel/plugin-proposal-nullish-coalescing-operator",
    "extract-hoc/babel",
    "react-hot-loader/babel",
    "istanbul"
  ]
}