pgsql/pgAdmin 4/web/babel.config.json

{
  "presets": [["@babel/preset-env", {"modules": "commonjs", "useBuiltIns": "usage", "corejs": 3}], "@babel/preset-react", "@babel/preset-typescript"],
  "plugins": ["@babel/plugin-proposal-class-properties", "@babel/proposal-object-rest-spread", "@babel/plugin-transform-runtime"]
}