.babelrc

{
  presets: [
    [
      "@babel/preset-env",
      {
        loose: true,
        modules: false,
        useBuiltIns: "usage",
        shippedProposals: true,
        targets: {
          browsers: [">0.25%", "not dead"],
        },
      },
    ],
    [
      "@babel/preset-react",
      {
        useBuiltIns: true,
        pragma: "React.createElement",
      },
    ],
  ],
  plugins: [
    [
      "@babel/plugin-proposal-class-properties",
      {
        loose: true,
      },
    ],
    "@babel/plugin-syntax-dynamic-import",
    "babel-plugin-macros",
    [
      "@babel/plugin-transform-runtime",
      {
        helpers: true,
        regenerator: true,
      },
    ],
  ],
}