webpack.config.js

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

module.exports = {
  mode: "development",
  entry: "./src/index.js",
  devtool: "inline-source-map",
  devServer: {
    contentBase: "./docs",
  },
  plugins: [
    new CleanWebpackPlugin(["docs"]),
    new HtmlWebpackPlugin({
      template: "./index.html",
      filename: "index.html",
      inject: "body",
    }),
  ],
  output: {
    path: path.resolve(__dirname, "./docs"),
    filename: "bundle.js",
  },
  module: {
    rules: [
      {
        test: /\.jsx$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
        },
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
        },
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
    ],
  },
};