webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  mode: 'development',
  entry: './src/index.js',
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, 'dist'),
  },
  devtool: 'inline-source-map',
  devServer: {
    contentBase: './dist',
  },
  plugins: [
    new CopyWebpackPlugin({
      patterns: [
        { from: 'src/css', to: 'css' },
        { from: 'assets', to: 'assets' },
        /* { from: 'src/js', to: 'js' }, */
      ],
    }),
    new CleanWebpackPlugin({ cleanStaleWebpackAssets: false }),
    new HtmlWebpackPlugin({
      title: 'TITLE_GOES_HERE',
      filename: 'index.html',
      template: 'src/index.html',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader',
        ],
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: [
          'file-loader',
        ],
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/,
        use: [
          'file-loader',
        ],
      },
      {
        test: /\.(csv|tsv)$/,
        use: [
          'csv-loader',
        ],
      },
      {
        test: /\.xml$/,
        use: [
          'xml-loader',
        ],
      },
    ],
  },
};