saven/packages/saven-cli/src/config/babylon.js

no

module.exports = {
  sourceType: 'module',
  plugins: [
    'typescript',
    'classProperties',
    'jsx',
    'trailingFunctionCommas',
    'asyncFunctions',
    'exponentiationOperator',
    'asyncGenerators',
    'objectRestSpread',
    'decorators',
    'dynamicImport'
  ]
}