webpack.config.js

const HtmlWebpack = require('html-webpack-plugin');
const MiniCssExtract = require('mini-css-extract-plugin');
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  mode: 'development',
  output: {
    clean: true,
  },
  module: {
    rules: [
      {
        test: /\.html$/,
        loader: 'html-loader',
        options: {
          sources: false,
        },
      },
      {
        test: /\.css$/,
        exclude: /styles.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /styles.css$/,
        use: [MiniCssExtract.loader, 'css-loader'],
      },
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },

  optimization: {},

  plugins: [
    new HtmlWebpack({
      title: 'Webpack App',
      filename: 'index.html',
      template: './src/index.html',
    }),

    new MiniCssExtract({
      filename: '[name].css',
      ignoreOrder: false,
    }),

    new CopyPlugin({
      patterns: [
        {
          from: './src/assets',
          to: './assets/',
        },
      ],
    }),
  ],
};