@studiometa/webpack-config/src/webpack.prod.config.js

A basic webpack config

import * as webpackMerge from 'webpack-merge';
import getWebpackConfig from './webpack.base.config.js';

/**
 * Get Webpack prod config.
 * @param   {import('./index').MetaConfig} config
 * @returns {import('webpack').Configuration}
 */
export default async function getWebpackProdConfig(config) {
  const baseConfig = await getWebpackConfig(config);

  const prodConfig = webpackMerge.merge(baseConfig, {
    mode: 'production',
  });

  if (config.webpackProd && typeof config.webpackProd === 'function') {
    config.webpackProd(prodConfig);
  }

  return prodConfig;
}