webpack.config.common.js

const glob = require('glob');
const path = require('path');

const CopyWebpackPlugin = require('copy-webpack-plugin');
const HTMLWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

const generateHTMLPlugins = () => glob.sync('./src/**/*.html').map(dir => new HTMLWebpackPlugin({
  filename: path.basename(dir), // Output
  template: dir, // Input
}));

module.exports = {
  node: {
    fs: 'empty',
  },
  entry: ['./src/js/app.js', './src/style/main.scss'],
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'app.bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        query: {
          presets: ['env'],
        },
      },
      {
        test: /\.(sass|scss)$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
          },
          'css-loader',
          'postcss-loader',
          'sass-loader',
        ],
      },
      {
        test: /\.html$/,
        loader: 'raw-loader',
      },
      {
        test: /\.(woff(2)?|ttf|eot|svg)(\?v=\d+\.\d+\.\d+)?$/,
        loader: 'file-loader',
      },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      // Options similar to the same options in webpackOptions.output
      // both options are optional
      filename: '[name].css',
      chunkFilename: '[id].css',
    }),
    new CopyWebpackPlugin([
      {
        from: './src/static/',
        to: './static/',
      },
    ]),
    ...generateHTMLPlugins(),
  ],
  stats: {
    colors: true,
  },
  devtool: 'source-map',
};