webpack.prod.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const { merge } = require('webpack-merge')

const common = require('./webpack.common')

module.exports = merge(common, {
  mode: 'production',
  output: {
    filename: '[name].[contentHash].bundle.js',
    path: path.resolve(__dirname, 'docs'),
  },
  optimization: {
    minimizer: [
      new HtmlWebpackPlugin({
        template: './src/index.html',
        minify: {
          removeAttributeQuotes: true,
          collapseWhitespace: true,
          removeComments: true,
        },
      }),
    ],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new MiniCssExtractPlugin({
      filename: '[name].[contentHash].css',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(sa|sc|c)ss$/i,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader'],
      },
    ],
  },
})