webpack.conf.js

'use strict';
const path = require('path');

const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const {CleanWebpackPlugin} = require('clean-webpack-plugin');

const env = process.env.NODE_ENV || 'development';

module.exports = {
  mode: env,
  entry: path.resolve(__dirname, 'src/main.js'),
  plugins: [
    new CleanWebpackPlugin(),
    new MiniCssExtractPlugin({
      filename: `[name].css`,
    }),
    new HtmlWebpackPlugin({
      template: 'index.html',
      favicon: 'favicon-96x96.png',
    }),
  ],
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].bundle.js',
  },
  module: {
    rules: [
      {
        enforce: 'pre',
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'eslint-loader',
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              hmr: process.env.NODE_ENV === 'development',
            },
          },
          'css-loader',
        ],
      },
    ],
  },
};