webpack.config.cjs

// Generated using webpack-cli https://github.com/webpack/webpack-cli

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const WorkboxWebpackPlugin = require("workbox-webpack-plugin");
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

const isProduction = process.env.NODE_ENV == "production";

const config = {
  entry: "./src/index.js",
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, "dist"),
  },
  devServer: {
    open: true,
    host: "localhost",
    hot: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "index.html",
    }),
    new MiniCssExtractPlugin({
      filename: "[name].css",
    }) 
  ],
  module: {
    rules: [
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        type: "asset",
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env'],
          },
        },
      },
      { test: /\.css$/, use: [MiniCssExtractPlugin.loader, 'css-loader', 'postcss-loader'] },
      {
        test: /\.scss$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'postcss-loader', 'sass-loader'],
      },
      {
        test: /\.woff2?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        use: 'url-loader?limit=10000',
      },
      {
        test: /\.(ttf|eot|svg)(\?[\s\S]+)?$/,
        use: 'file-loader',
      },
    ],
  },
};

module.exports = () => {
  if (isProduction) {
    config.mode = "production";

    config.plugins.push(new WorkboxWebpackPlugin.GenerateSW());
  } else {
    config.mode = "development";
  }
  return config;
};