const glob = require('glob');
const path = require('path');
const webpack = require("webpack");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const TerserPlugin = require("terser-webpack-plugin");

module.exports = {
  entry: glob.sync('./!(static)/static/webpack/**?(-)index.js').reduce((obj, el) => {
    obj[path.parse(el).name] = './' + el;
    return obj;
  }, {}),
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, './staticfiles/generated/webpack'),
    clean: true
  },
  plugins: [
    new MiniCssExtractPlugin(),
  ],
  optimization: {
    minimizer: [
      "...",
      new CssMinimizerPlugin({
        parallel: true,
      }),
      new TerserPlugin({
        parallel: true,
        terserOptions: {
          mangle: true,
          compress: {
            drop_console: true,
          },
        }
      }),
    ],
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        sideEffects: true,
        use: [
          MiniCssExtractPlugin.loader,
          "css-loader",
        ],
      },
      {
        test: /\.(jpe?g|png|gif|woff|woff2|eot|ttf|otf)$/i,
        type: 'asset/resource'
      },
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.js$/,
        enforce: "pre",
        use: ["source-map-loader"],
      },
      {
        test: require.resolve("jquery"),
        loader: "expose-loader",
        options: {
          exposes: [
            {
              globalName: ['$'],
              override: true
            },
            {
              globalName: ['jQuery'],
              override: true
            },
            {
              globalName: ['window.jQuery'],
              override: true
            }
          ],
        },
      },
    ],
  },
};