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Diffstat (limited to 'actionview/lib/action_view/helpers/cache_helper.rb')
-rw-r--r-- | actionview/lib/action_view/helpers/cache_helper.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/cache_helper.rb b/actionview/lib/action_view/helpers/cache_helper.rb index 8945575860..797d029317 100644 --- a/actionview/lib/action_view/helpers/cache_helper.rb +++ b/actionview/lib/action_view/helpers/cache_helper.rb @@ -137,6 +137,21 @@ module ActionView # The automatic cache multi read can be turned off like so: # # <%= render @notifications, cache: false %> + # + # === Explicit Collection Caching + # + # If the partial template doesn't start with a clean cache call as + # mentioned above, you can still benefit from collection caching by + # adding a special comment format anywhere in the template, like: + # + # <%# Template Collection: notification %> + # <% my_helper_that_calls_cache(some_arg, notification) do %> + # <%= notification.name %> + # <% end %> + # + # The pattern used to match these is <tt>/# Template Collection: (\S+)/</tt>, + # so it's important that you type it out just so. + # You can only declare one collection in a partial template file. def cache(name = {}, options = {}, &block) if controller.respond_to?(:perform_caching) && controller.perform_caching safe_concat(fragment_for(cache_fragment_name(name, options), options, &block)) |