module.exports = { presets: [ [ '@babel/preset-env', { targets: { node: 8, browsers: 'electron 2.0' }, useBuiltIns: 'usage' } ], '@babel/preset-flow', '@babel/react' ], plugins: [ '@babel/plugin-proposal-object-rest-spread', '@babel/plugin-proposal-class-properties', '@babel/plugin-proposal-export-default-from', '@babel/plugin-transform-classes', '@babel/plugin-transform-destructuring', 'babel-plugin-styled-components', [ 'react-intl-auto', { removePrefix: 'app/', filebase: false } ] ], env: { production: { presets: ['react-optimize'] } } }