webpack.config.js

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

module.exports = {
  mode: "development", // change to 'development' for development builds
  entry: {
    index: "./src/main.js",
  },
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "index.[contenthash].bundle.js",
  },
  optimization: {
    runtimeChunk: 'single',
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./src/index.html",
    }),
    new CopyWebpackPlugin({
      patterns: [
        { from: "./src/styles.css", to: "styles.css" },
      ],
    }),
  ],
  devServer: {
    static: {
      directory: path.resolve(__dirname, "dist"),
    },
    compress: true,
    port: 9000,
  },
  module: {
    rules: [
      // CSS rule for processing Tailwind CSS and custom styles
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader", "postcss-loader"],
      },
      {
        test: /\.(js)$/,
        exclude: /node_modules/,
        use: ["babel-loader"],
      },
    ],
  },
  optimization: {
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: "vendor",
          chunks: "all",
        },
      },
    },
  },
};