webpack.prod.config.cjs

// @ts-check
/* eslint-disable import/no-extraneous-dependencies */

const path = require('path');
const { DefinePlugin } = require('webpack');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
  mode: 'production',
  externals: {
    gon: 'gon',
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  output: {
    path: path.join(__dirname, 'dist', 'public'),
    publicPath: '/assets/',
  },
  plugins: [
    new MiniCssExtractPlugin(),
    new DefinePlugin({
      'process.env': JSON.stringify(process.env),
    }),
  ],
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: 'babel-loader',
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          { loader: MiniCssExtractPlugin.loader },
          { loader: 'css-loader' },
          { loader: 'postcss-loader' },
          { loader: 'sass-loader' },
        ],
      },
    ],
  },
};