.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"],
      "plugins": ["react-hot-loader/babel"]
    },

    "web": {
      "presets": [
        "@babel/preset-env",
        "@babel/preset-typescript",
        "@babel/preset-react"
      ]
    }
  },
  "plugins": [
    ["@babel/plugin-proposal-decorators", { "legacy": true }],
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-syntax-dynamic-import",
    "@babel/proposal-object-rest-spread",
    [
      "@babel/plugin-transform-runtime",
      {
        "regenerator": true
      }
    ]
  ]
}