code: function processHtml(demo) {
  
        var allContent = demo.files.index.contents;
  
        var processors = [
          applyAngularAttributesToParentElement,
          insertTemplatesAsScriptTags,
          htmlEscapeAmpersand
        ];
  
        processors.forEach(function(processor) {
          allContent = processor(allContent, demo);
        });
  
        return allContent;
      }
docs: Modifies index.html with necessary changes in order to display correctly in codepen See each processor to determine how each modifies the html