webpack.config.js

const HtmlWebpackPlugin = require("html-webpack-plugin");
const path = require("path");

module.exports = {
  devServer: {
    contentBase: "./dist",
  },
  entry: "./src/index.js",
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.(js)$/,
        exclude: /node_modules/,
        use: ["babel-loader"],
      },
    ],
  },
  output: {
    filename: "[name].bundle.js",
    path: path.resolve(__dirname, "dist"),
  },
  optimization: {
    minimize: false,
    splitChunks: {
      cacheGroups: {
        commons: {
          test: /[\\/]node_modules[\\/]/,
          name: "vendors",
          chunks: "all",
        },
      },
    },
  },
  performance: {
    hints: false,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "src/index.html",
    }),
  ],
};