webpack.config.js

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

module.exports = {
  entry: "./src/index.js",
  devtool: "source-map",
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ["babel-loader"],
      },
    ],
  },
  resolve: {
    extensions: [".js", ".jsx"],
  },
  output: {
    path: path.resolve(__dirname, "./dist"),
    filename: "bundle.js",
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, "index.html"),
    }),
  ],
  devServer: {
    contentBase: path.resolve(__dirname, "./dist"),
    historyApiFallback: {
      index: "/",
    },
  },
};