Ruby on Rails

On Wednesday 01 September 2010, Marnen Laibow-Koser wrote:
> Michael Schuerig wrote:
> > I'm looking for an extension (gem, plugin, whatever) that inserts
> > comments like
> >
> > <!-- begin partial app/views/things/_thing.html.erb --%>
> > ...
> > <!-- end partial app/views/things/_thing.html.erb --%>
> >
> > around rendered templates (except in production env). A cursory
> > search didn't bring up anything, but I may have chosen the wrong
> > terms. It doesn't have to work for arbitrary template engines, ERB
> > is enough.
>
> You want Frederick Cheung's Tattler:
> http://github.com/fcheung/tattler . I think it will work with any
> template engine; certainly I'm using it with Haml. I don't know if
> it works with Rails 3 yet.

Tattler doesn't work with Rails 3 anymore. This little bit of code,
inspired by it, does.

unless Rails.env.production?
class ActionView::Template
def render_with_comment(*args, &block)
render_result = render_without_comment(*args, &block)
if mime_type.nil? || mime_type === [Mime::HTML, Mime::XML]
("<!-- TEMPLATE: #{identifier} -->\n" +
render_result +
"\n<!-- ENDTEMPLATE: #{identifier} -->"
).html_safe
else
render_result
end
end
alias_method_chain :render, :comment
end
end

Michael

--
Michael Schuerig
mailto:michael@schuerig.de
http://www.schuerig.de/michael/

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