module.exports = { presets: ['module:metro-react-native-babel-preset'], overrides: [ { // react-native 0.84+ uses TypeScript 'as' syntax in .js files // which the default preset doesn't handle for non-.ts files test: /node_modules\/react-native\/.*\.js$/, plugins: [['@babel/plugin-transform-typescript', { allowDeclareFields: true }]], }, ], };