text: // Test for the `bang.dart` module.
  // 1. Build the module first with `pub build bin`, this puts Js version in 
  //    ../build/bin/bang.dart.js
  // 2. Run this with 
  //    node bin/bang_test.js
  // 3. Check the result
  const bang = require('../build/bin/bang.dart.js');
  console.log(bang.bang('Hi'));
  