webpack.config.js

const path = require('path');

const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');


module.exports.createConfig = ({ port, template, projectPath }) => {
  const plugins = [
    new CleanWebpackPlugin(),
  ];

  if (template) {
    plugins.push(
      new HtmlWebpackPlugin({
        template,
      }),
    );
  }


  return {
    mode: 'development',
    stats: 'errors-only',
    entry: path.join(projectPath, 'app', 'index'),
    // watch: true,
    output: {
      path: path.join(projectPath, 'dist'),
      filename: '[hash].bundle.js',
    },
    module: {
      rules: [
        {
          test: /\.js$/,
          exclude: /node_modules/,
          use: {
            loader: 'babel-loader',
            options: {
              presets: ['@babel/preset-env'],
            },
          },
        },
        {
          test: /\.css$/,
          use: ['style-loader', 'css-loader'],
        },
      ],
    },
    resolve: {
      extensions: ['.json', '.js', '.jsx'],
    },
    devServer: {
      contentBase: path.join(__dirname, 'dist'),
      inline: true,
      host: 'localhost',
      port,
    },
    plugins,
    optimization: {
      minimize: true,
      minimizer: [new TerserPlugin()],
    },
  };
};