import * as extend from 'extend'; const defaults = { presets: [ "es2015" , "react" , "stage-1" ] , ignore: [ '**/node_modules/**' ] /** / , extensions: [ ".jsx" , ".js" , ".tsx" , ".ts" ] , plugins: [ "transform-react-require" ] /**/ } export default function babelConfig(conf){ return extend(true,{},defaults,conf); }