webpack.common.js

const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  /* here you can define another js file */
  entry: {
    index: './src/js/index.js',
  },
  output: {
    filename: '[name].[hash:8].js',
    path: __dirname + '/dist',
  },
  module: {
    rules: [
      {
        test: [/.js$/],
        exclude: /(node_modules)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
      },
      {
        test: /\.html$/i,
        loader: 'html-loader',
        options: {
          attributes: {
            list: [
              {
                tag: 'img',
                attribute: 'src',
                type: 'src',
              },
              {
                tag: 'img',
                attribute: 'data-gallery-src',
                type: 'src',
              },
            ],
          },
        },
      },
      {
        test: /\.(png|jpe?g|gif|svg)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: 'img/[name].[hash:8].[ext]',
            },
          },
        ],
      },
    ],
  },

  devServer: {
    port: 8080,
  },

  plugins: [
    new CopyWebpackPlugin({
      patterns: [
        {
          from: 'public',
          globOptions: {
            ignore: ['**/*.DS_Store'],
          },
        },
      ],
    }),

    /* here you can define another html file and its dependencies */
    new HtmlWebpackPlugin({
      template: './src/pages/index.html',
      inject: true,
      chunks: ['index'],
      filename: 'index.html',
    }),
  ],
};