Iris/webpack.config.js

const isDev = process.env.NODE_ENV !== 'production';
const path = require('path');
const webpack = require('webpack');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

const config = {
  mode: process.env.NODE_ENV,
  context: path.resolve(__dirname),
  entry: ['@babel/polyfill', './src/js/index'],
  output: {
    path: path.resolve(__dirname, 'mopidy_iris/static'),
    filename: 'app' + (isDev ? '' : '.min') + '.js',
  },
  module: {
    rules: [
      {
        test: require.resolve('jquery'),
        exclude: [
          /node_modules/,
        ],
        use: [
          'expose-loader?jQuery!expose?$',
        ],
      },
      {
        test: /.(jsx|js|ts|tsx)$/,
        exclude: /node_modules/,
        resolve: {
          extensions: [".js", ".jsx", ".ts", ".tsx"]
        },
        use: [
          {
            loader: 'babel-loader',
          },
        ],
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: './',
            },
          },
          'css-loader',
          'sass-loader',
        ],
      },
      {
        test: /\.ya?ml$/,
        type: 'json',
        use: {
          loader: 'yaml-loader',
          options: { json: true, type: 'json' }
        }
      },
      {
        // load external resources (ie Google fonts)
        test: /.(gif|png|woff(2)?|eot|ttf|svg)(\?[a-z0-9=\.]+)?$/,
        type: 'asset/resource',
        generator: {
          filename: 'assets/[name][ext]',
        },
      },
      (isDev ? {} : {
        test: /\.(js|jsx)$/,
        use: [
          {
            loader: 'webpack-strip',
            options: {
              strip: [
                'console.log',
                'console.info',
                'debug',
              ],
            },
          },
        ],
      }),
    ],
  },
  plugins: [
    new webpack.ProvidePlugin({
      $: "jquery",
      jQuery: "jquery",
      "window.jQuery": "jquery",
    }),
    new MiniCssExtractPlugin({
      filename: 'app' + (isDev ? '' : '.min') + '.css',
    }),
  ],
  watchOptions: {
    poll: true,
  },
  devtool: (isDev ? 'source-map' : false),
};

// now export our collated config object
module.exports = config;