<%=testEjs %> <% function tree(arr) { %> adadfasdf <% return ""; } %> <%=tree() %> <%=tree() %> <%=tree() %>
<% function __makeTree(obj) { %>

1. Folder
   1. file1
   2. Folder
      1. file1

<% } %> <% function outputLeaf(obj) { %>

file1

<% } %> <% function outputBrunch(list) { %>

Folder <% makeTree(list.files) %>

<% } %> <% function makeTree(dataList) { %>

<% for(var i=0; i < dataList.length; i++) { var obj = dataList[i]; if(obj.leaf) { outputLeaf(obj); } else { outputBrunch(obj); } } %>

<% } %> <% makeTree(data) %>