webpack.config.js

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

module.exports = {
  entry: path.resolve(__dirname, "./src/index.js"),
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ["babel-loader"],
      },
      {
        test: /\.(css|scss)$/,
        use: [
          "style-loader", // creates style nodes from JS strings
          "css-loader", // translates CSS into CommonJS
          "postcss-loader",
          {
            loader: "sass-loader",
            options: {
              implementation: require("sass"),
            },
          },
        ],
      },
      {
        test: /\.(gif|png|jpe?g|svg|mp3|ttf|woff2?)$/i,
        loader: "file-loader",
        options: {
          name: "assets/files/[name].[ext]",
        },
      },
    ],
  },
  resolve: {
    extensions: ["*", ".js", ".jsx"],
  },
  output: {
    path: path.resolve(__dirname, "./dist"),
    filename: "bundle.js",
  },
  plugins: [new webpack.HotModuleReplacementPlugin()],
  devServer: {
    contentBase: path.resolve(__dirname, "./dist"),
    hot: true,
  },
};