webpack.config.js

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

module.exports = {
  mode: "development",
  entry: path.join(__dirname, "examples/demo.js"),
  output: {
    path: path.join(__dirname, "examples/build"),
    filename: "demo.js",
  },
  devtool: "inline-source-map",
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: "babel-loader",
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: "html-loader",
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.join(__dirname, "examples/index.html"),
      filename: "index.html",
    }),
  ],
  resolve: {
    extensions: [".js", ".jsx"],
  },
  devServer: {
    static: path.join(__dirname, "examples/build"),
    port: 8000,
    open: true,
    hot: true,
  },
};