webpack.dev.config.js

const HtmlWebPackPlugin = require("html-webpack-plugin");
const BundleAnalyzerPlugin = require("webpack-bundle-analyzer")
  .BundleAnalyzerPlugin;

module.exports = {
  entry: "./src/index.js",
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
        },
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: "html-loader",
          },
        ],
      },
      {
        test: /\.(png|jpe?g|gif|svg)$/i,
        use: [
          {
            loader: "file-loader",
          },
        ],
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          // Creates `style` nodes from JS strings
          "style-loader",
          // Translates CSS into CommonJS
          "css-loader",
          "postcss-loader",
          // Compiles Sass to CSS
          "sass-loader",
        ],
      },
    ],
  },
  output: {
    path: __dirname + "/build",
    publicPath: "/",
  },
  devServer: {
    historyApiFallback: true,
  },
  plugins: [
    // new BundleAnalyzerPlugin(),
    new HtmlWebPackPlugin({
      template: "./src/index.html",
      filename: "./index.html",
    }),
  ],
};