.babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "useBuiltIns": false,
        "targets": {
          "browsers": [
            "last 2 versions"
          ]
        }
      }
    ],
    "@babel/preset-react",
    "@babel/typescript",
  ],
  "plugins": [
    "@babel/plugin-transform-runtime",
    "@babel/plugin-proposal-object-rest-spread",
    "@babel/plugin-transform-async-to-generator",
    "@babel/plugin-proposal-async-generator-functions",
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-syntax-dynamic-import"
  ],
  "env": {
    "production": {
      "plugins": [
        [
          "emotion",
          {
            "hoist": true
          }
        ]
      ]
    },
    "development": {
      "plugins": [
        [
          "emotion",
          {
            "sourceMap": true,
            "autoLabel": true
          }
        ]
      ]
    },
    "test": {
      "plugins": [
        [
          "emotion",
          {
            "sourceMap": true,
            "autoLabel": true
          }
        ]
      ]
    }
  }
}