module.exports = { babelrcRoots: ['packages/*'], presets: [ [ require.resolve('@babel/preset-env'), { targets: {node: 8}, useBuiltIns: 'entry', }, ], require.resolve('@babel/preset-flow'), ], plugins: [ require.resolve('@babel/plugin-transform-strict-mode'), [require.resolve('@babel/plugin-transform-modules-commonjs'), {lazy: true}], ], };