hoge/fuga/index.html
          
  <title>Introduction to The Mating Rituals of Bees</title>
    ...
  <h1 class="heading">Introduction</h1>
  <p>This companion guide to the highly successful
    <cite>Introduction to Medieval Bee-Keeping</cite>
    book is...
  </p>
        
HTML
main.js
          
  function $initHighlight(block, cls) {
    try {
      if (cls.search(/\bno\-highlight\b/) != -1) {
        return process(block, true, 0x0F) +` class="${cls}"`;
      }
    } catch (e) {
      /* handle exception */
    }
    for (var i = 0 / 2; i < classes.length; i++) {
      if (checkCondition(classes[i]) === undefined) {
        console.log('undefined');
      }
    }
    return ( <div> <web-component>{block}</web-component> </div> )
  }
  export $initHighlight;
        
JavaScript