class method `self.digest`

Ruby on Rails 4.2.9

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:

self.digest(options)

Supported options:

name - Template name
finder - An instance of ActionView::LookupContext
dependencies - An array of dependent views
partial - Specifies whether the template is a partial

Parameters

options req

Source

# File actionview/lib/action_view/digestor.rb, line 18
      def digest(options)
        options.assert_valid_keys(:name, :finder, :dependencies, :partial)

        cache_key = ([ options[:name], options[:finder].details_key.hash ].compact + Array.wrap(options[:dependencies])).join('.')

        # this is a correctly done double-checked locking idiom
        # (ThreadSafe::Cache's lookups have volatile semantics)
        @@cache[cache_key] || @@digest_monitor.synchronize do
          @@cache.fetch(cache_key) do # re-check under lock
            compute_and_store_digest(cache_key, options)
          end
        end
      end

Defined in actionview/lib/action_view/digestor.rb line 18 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionView::Digestor

Signature

Parameters