core-js builder as a Webpack Plugin
plugins: [
new CoreJsPlugin({
modules: ['es6', 'core.dict'], // modules / namespaces
blacklist: ['es6.reflect'], // blacklist of modules / namespaces, by default - empty list
library: false, // flag for build without global namespace pollution, by default - false
umd: true // use UMD wrapper for export `core` object, by default - true
})
]