module.exports = (api) => { const babelEnv = api.env(); const plugins = []; //change to 'production' to check if this is working in 'development' mode if (babelEnv !== 'development') { plugins.push(['transform-remove-console', { exclude: ['error', 'warn'] }]); } return { presets: ['module:metro-react-native-babel-preset'], sourceMaps: true, plugins, }; };