class method `self.digest`

Ruby on Rails 6.1.7.10

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(name:, format: nil, finder:, dependencies: nil)

Supported options:

name - Template name
format - Template format
finder - An instance of ActionView::LookupContext
dependencies - An array of dependent views

Parameters

name keyreq
format key = nil
finder keyreq
dependencies key = nil

Source

# File actionview/lib/action_view/digestor.rb, line 16
      def digest(name:, format: nil, finder:, dependencies: nil)
        if dependencies.nil? || dependencies.empty?
          cache_key = "#{name}.#{format}"
        else
          cache_key = [ name, format, dependencies ].flatten.compact.join(".")
        end

        # this is a correctly done double-checked locking idiom
        # (Concurrent::Map's lookups have volatile semantics)
        finder.digest_cache[cache_key] || @@digest_mutex.synchronize do
          finder.digest_cache.fetch(cache_key) do # re-check under lock
            partial = name.include?("/_")
            root = tree(name, finder, partial)
            dependencies.each do |injected_dep|
              root.children << Injected.new(injected_dep, nil, nil)
            end if dependencies
            finder.digest_cache[cache_key] = root.digest(finder)
          end
        end
      end

Defined in actionview/lib/action_view/digestor.rb line 16 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionView::Digestor

Signature

Parameters