diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/cache_helper.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/cache_helper.rb | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/actionview/lib/action_view/helpers/cache_helper.rb b/actionview/lib/action_view/helpers/cache_helper.rb index 8945575860..636d7d4cc3 100644 --- a/actionview/lib/action_view/helpers/cache_helper.rb +++ b/actionview/lib/action_view/helpers/cache_helper.rb @@ -98,7 +98,19 @@ module ActionView # <%# Template Dependency: todolists/todolist %> # <%= render_sortable_todolists @project.todolists %> # - # The pattern used to match these is <tt>/# Template Dependency: (\S+)/</tt>, + # In some cases, like a single table inheritance setup, you might have + # a bunch of explicit dependencies. Instead of writing every template out, + # you can use a wildcard to match any template in a directory: + # + # <%# Template Dependency: events/* %> + # <%= render_categorizable_events @person.events %> + # + # This marks every template in the directory as a dependency. To find those + # templates, the wildcard path must be absolutely defined from app/views or paths + # otherwise added with +prepend_view_path+ or +append_view_path+. + # This way the wildcard for `app/views/recordings/events` would be `recordings/events/*` etc. + # + # The pattern used to match explicit dependencies is <tt>/# Template Dependency: (\S+)/</tt>, # so it's important that you type it out just so. # You can only declare one template dependency per line. # @@ -137,6 +149,21 @@ 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)) |