webpack.config.js

const webpack = require("webpack");
const path = require("path");
const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

module.exports = {
  output: {
    "path": path.resolve(__dirname, 'public'),
  },
  module: {
    rules: [
      {
        test: /\.html$/,
        use: [
          {
            loader: "html-loader",
            options: { minimize: true }
          }
        ]
      },
      {
        test: /\.(png|jp(e*)g|svg|gif|webp|woff2?)$/,
        use: [{
            loader: 'url-loader',
            options: {
                limit: 1000,
                name: 'images/[hash]-[name].[ext]',
                esModule: false
            }
        }]
      },
      {
        test: /\.(s*)css$/i,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new webpack.ProvidePlugin({
        L: 'leaflet'
    }),
    new HtmlWebPackPlugin({
      template: "./src/index.html",
      filename: "./index.html",
      favicon: "./assets/img/logo.png"
    }),
    new MiniCssExtractPlugin(),
    new BundleAnalyzerPlugin()
  ],
  optimization: {
   usedExports: true,
  }
};