No. This is unfortunately not possible.
<% if (heading) { %>
<%= heading %>
<% } %>-
<% blocks.forEach(function(block, index) { %>
-
<% if (imageHeight) { %>
<% } %> <% if (block.name) { %>
<%= block.name %>
<% } %> <% if (block.description) { %><%= block.description %>
<% } %>
<% }) %>