.babelrc

{
  "presets": [
    "@babel/preset-typescript",
    ["@babel/preset-env", { "modules": false }],
    ["@babel/preset-react", { "runtime": "automatic" }]
  ],
  "plugins": [
    "@babel/plugin-transform-flow-strip-types",
    ["@babel/plugin-proposal-decorators", { "version": "legacy" }],
    ["@babel/plugin-proposal-class-properties"]
  ]
}