yacd/.babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "modules": false,
        "useBuiltIns": "usage",
        "targets": {
          "browsers": [">0.25%", "not ie 11", "not op_mini all"]
        }
      }
    ],
    "@babel/preset-react"
  ],
  "plugins": [
    "@babel/plugin-syntax-dynamic-import",
    "@babel/plugin-syntax-import-meta",
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-proposal-json-strings",
    "@babel/plugin-proposal-export-namespace-from",
    "@babel/plugin-proposal-export-default-from",
    "@babel/plugin-proposal-do-expressions"
  ],
  "env": {
    "development": {
      "plugins": [
        "react-hot-loader/babel"
      ]
    }
  }
}