webpack.config.js

var path = require('path');
var fs = require('fs');

var nodeModules = {};
fs.readdirSync('node_modules')
  .filter(function(x) {
    return ['.bin'].indexOf(x) === -1;
  })
  .forEach(function(mod) {
    nodeModules[mod] = 'commonjs ' + mod;
  });

const isProduction = process.env.NODE_ENV == "production";

const config = {
  entry: "./src/index.ts",
  target: 'node',
  output: {
    path: path.resolve(__dirname, "build"),
    filename: 'backend.js'
  },
  plugins: [
    // Add your plugins here
    // Learn more about plugins from https://webpack.js.org/configuration/plugins/
  ],
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/i,
        loader: "ts-loader",
        exclude: ["/node_modules/", "/src/settings.json"],
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2|png|jpg|gif)$/i,
        type: "asset",
      }
    ],
  },
  resolve: {
    extensions: [".tsx", ".ts", ".js"]
  },
  node: {
    __filename: true,
    __dirname: true
  },
  externals: nodeModules,
  devtool: 'source-map'
};

module.exports = () => {
  if (isProduction) {
    config.mode = "production";
  } else {
    config.mode = "development";
  }
  return config;
};