module.exports = (api) => { const targets = {} if (api.env('test')) { targets.node = 'current' } return { presets: [ ['@babel/preset-env', { modules: false, loose: true, targets }] ], plugins: [ ['@babel/plugin-proposal-class-properties', { loose: true }], '@babel/plugin-transform-object-assign', ['@babel/plugin-transform-react-jsx', { pragma: 'h' }], process.env.IS_RELEASE_BUILD && 'babel-plugin-inline-package-json' ].filter(Boolean) } }