Method: ActionView::Helpers::CacheHelper#uncacheable!

Defined in:
actionview/lib/action_view/helpers/cache_helper.rb

#uncacheable! ⇒ Object

Raises UncacheableFragmentError when called from within a cache block.

Useful to denote helper methods that can’t participate in fragment caching:

def project_name_with_time(project)
  uncacheable!
  "#{project.name} - #{Time.now}"
end

# Which will then raise if used within a `cache` block:
<% cache project do %>
  <%= project_name_with_time(project) %>
<% end %>

Raises:



213
214
215
 
# File 'actionview/lib/action_view/helpers/cache_helper.rb', line 213

def uncacheable!
  raise UncacheableFragmentError, "can't be fragment cached" if caching?
end