test-bundle.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>SystemJs-Jade plugin test</title>
  <script src="jspm_packages/system.js"></script>
    <script src="jspm.browser.js"></script>
    <script src="jspm.config.js"></script>
  <script src="build.js"></script>
</head>
<body>
    Wait a few seconds...
  <script>
     System.import('app.js')
    .then(function(fn) {
      document.body.innerHTML = fn({local1: 'no'});
    })
    .catch(function(err) {
      console.log('ERROR: ', err);
    });
  </script>
</body>
</html>