vue-storefront/src/themes/default/webpack.config.js

A Vue.js, PWA eCommerce frontend

// You can extend default webpack build here. Read more on docs: https://github.com/DivanteLtd/vue-storefront/blob/master/doc/Working%20with%20webpack.md
module.exports = function (config, { isClient, isDev }) {
  return config
}