instance method `cache_if`

Ruby on Rails 4.1.16

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

cache_if(condition, name = {}, options = nil, &block)

Cache fragments of a view if condition is true

<%= cache_if admin?, project do %>
  <b>All the topics on this project</b>
  <%= render project.topics %>
<% end %>

Parameters

condition req
name opt = {}
options opt = nil
block block

Source

# File actionview/lib/action_view/helpers/cache_helper.rb, line 129
      def cache_if(condition, name = {}, options = nil, &block)
        if condition
          cache(name, options, &block)
        else
          yield
        end

        nil
      end

Defined in actionview/lib/action_view/helpers/cache_helper.rb line 129 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionView::Helpers::CacheHelper

Signature

Parameters