webpack.config.js

const webpack = require("webpack");
const path = require("path");

module.exports = {
  mode: "development",
  entry: "./src/index.js",
  devtool: "source-map",
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "bundle.js",
  },
  resolve: {
    extensions: [".js", ".jsx"],
    fallback: {
      fs: false,
      process: require.resolve("process/browser"),
      crypto: require.resolve("crypto-browserify"),
      querystring: require.resolve("querystring-es3"),
      os: require.resolve("os-browserify/browser"),
      stream: require.resolve("stream-browserify"),
      vm: require.resolve("vm-browserify"),
      util: require.resolve("util/"),
      url: require.resolve("url/"),
      buffer: require.resolve("buffer/"),
    },
  },
  devServer: {
    static: {
      directory: path.join(__dirname, "public"),
    },
    compress: true,
    port: 3000,
    open: true,
  },
  plugins: [
    new webpack.ProvidePlugin({
      process: "process/browser",
      Buffer: ["buffer", "Buffer"],
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        include: path.resolve(__dirname, "src"),
        use: "babel-loader",
      },
      {
        test: /\.css$/,
        include: path.resolve(__dirname, "src"),
        use: ["style-loader", "css-loader"],
      },
    ],
  },
};