webpack.config.js

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

module.exports = {
  entry: path.join(__dirname, "src", "index.js"),
  output: {
    publicPath: "/",
    path: path.join(__dirname, "build"),
    filename: "bundle.js",
  },
  module: {
    rules: [
      {
        test: /.(js|jsx)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: "babel-loader",
          },
          {
            loader: "eslint-loader",
          },
        ],
      },
      {
        test: /.(css)$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /.html$/,
        use: {
          loader: "html-loader",
        },
      },
      {
        test: /.(jpg|jpeg|png|gif|mp3|svg)$/,
        use: {
          loader: "file-loader",
          options: {
            name: "[name].[hash].[ext]",
            outputPath: "assets",
          },
        },
      },
      {
        test: /\.js$/,
        enforce: "pre",
        use: ["source-map-loader"],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      filename: "index.html",
      template: path.join(__dirname, "src", "index.html"),
    }),
  ],
  resolve: {
    // allows us to do absolute imports from "src"
    modules: [path.join(__dirname, "src"), "node_modules"],
    extensions: ["*", ".js", ".jsx"],
  },
  devServer: {
    contentBase: "./",
    historyApiFallback: true,
    hot: true,
    port: 8080,
  },
};