.babelrc

{
  "comments": false,
  "env": {
    "test": {
      "presets": [
        [
          "@babel/preset-env",
          {
            "targets": {
              "node": 12
            }
          }
        ]
      ],
      "plugins": [
        "istanbul"
      ]
    },
    "main": {
      "presets": [
        [
          "@babel/preset-env",
          {
            "targets": {
              "node": 12
            }
          }
        ]
      ]
    },
    "renderer": {
      "presets": [
        "@babel/preset-typescript",
        [
          "@babel/preset-react",
          {
            "runtime": "automatic",
            "importSource": "@emotion/react"
          }
        ]
      ],
      "plugins": [
        "react-hot-loader/babel",
        "@emotion"
      ]
    },
    "web": {
      "plugins": [
        "@emotion"
      ],
      "presets": [
        "@babel/preset-env",
        "@babel/preset-typescript",
        "@babel/preset-react",
      ]
    }
  },
  "plugins": [
    "@babel/plugin-syntax-dynamic-import",
    "@babel/proposal-class-properties",
    "@babel/proposal-object-rest-spread"
  ]
}