webpack.config.js

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

module.exports = {
  entry: "./src/index.js",
  mode: "production",
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "[name].[contenthash].js"
  },
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        sourceMap: true
      })
    ]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      title: "My Marketplace",
      template: "index.html",
      inject: "head"
    }),
    new webpack.SourceMapDevToolPlugin({
      publicPath: "http://localhost:5050/",
      filename: "[name].map"
    })
  ],
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"]
      }
    ]
  }
};