On Jan 4, 2009, at 7:18 PM, James Englert wrote:
> Hey All,
> I would like some logic that would help me determine whether a
> yield has any content to it. For example:
>
> <div class="submenu">
> <%= yield :submenu %>
> </div>
>
> I only want to display the div around the yield if the yield will
> have content.
>
> Any ideas?
You can do:
<% if !yield(:submenu).strip.blank? -%>
<div class="submenu">
<%= yield :submenu %>
</div>
<% end -%>
The call may be expensive so you might want to create some other
method of determining whether the submenu is likely to have content.
But this should work.
HTH
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