webpack.config.js

const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const Dotenv = require('dotenv-webpack');
const path = require('path');

module.exports = {
  mode: "development",
  entry: "./src/js/index.js",
  devtool: "cheap-module-eval-source-map",
  devServer: {
    contentBase: path.join(__dirname, "dist"),
    watchContentBase: true,
    hot: true,
    open: true,
    inline: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: "Webpack starter project",
      template: path.resolve("./src/index.html"),
    }),
    new HtmlWebpackPlugin({ // Also generate a test.html
      filename: 'topTable.html',
      template: 'src/html/topTable.html'
    }),
    new MiniCssExtractPlugin({
      filename: "[name].css",
      chunkFilename: "[id].css"
    }),
    new Dotenv({
      systemvars: true
    }
    )
  ],
  module: {
    rules: [
      {
        test: /\.scss$/,
        use: [MiniCssExtractPlugin.loader, "css-loader", "sass-loader"],
      },

      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-env"],
          },
        },
      },
      {
        test: /\.(jpg|jpeg|gif|png|svg|webp)$/,
        use: [
          {
            loader: "file-loader",
            options: {
              outputPath: "./images",
              name: "[name].[ext]",
            },
          },
        ],
      },
      {
        test: /\.html$/i,
        loader: 'html-loader',
      },
    ],
  },
};