text: const webpack = require('webpack');
  const path = require('path');
  const merge = require('webpack-merge');
  const base = require('./base.js');
  const TerserPlugin = require('terser-webpack-plugin');
  
  module.exports = merge(base, {
    devtool: false,
    mode: 'production',
    output: {
      path: path.resolve('./dist'),
      filename: 'index.min.js'
    },
    optimization: {
      minimizer: [
        new TerserPlugin({
          terserOptions: {
            keep_classnames: true
          }
        }),
      ],
    },
    plugins: [
      new webpack.IgnorePlugin(/fixtures/),
      new webpack.optimize.ModuleConcatenationPlugin()
    ]
  });
  