in packages/babel-preset-react-app/create.js [185:200]
version: require('@babel/runtime/package.json').version,
regenerator: true,
// https://babeljs.io/docs/en/babel-plugin-transform-runtime#useesmodules
// We should turn this on once the lowest version of Node LTS
// supports ES Modules.
useESModules,
// Undocumented option that lets us encapsulate our runtime, ensuring
// the correct version is used
// https://github.com/babel/babel/blob/090c364a90fe73d36a30707fc612ce037bdbbb24/packages/babel-plugin-transform-runtime/src/index.js#L35-L42
absoluteRuntime: absoluteRuntimePath,
},
],
isEnvProduction && [
// Remove PropTypes from production build
require('babel-plugin-transform-react-remove-prop-types').default,
{