Namespace
Class
- ActionView::Digestor::Injected
- ActionView::Digestor::Missing
- ActionView::Digestor::Node
- ActionView::Digestor::NullLogger
- ActionView::Digestor::Partial
Methods
Class Public methods
digest(name:, format: nil, finder:, dependencies: nil)
Supported options:
-
name
-Template
name -
format
-Template
format -
finder
- An instance ofActionView::LookupContext
-
dependencies
- An array of dependent views
📝 Source code
# 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
dependencies_suffix = dependencies.flatten.tap(&:compact!).join(".")
cache_key = "#{name}.#{format}.#{dependencies_suffix}"
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
path = TemplatePath.parse(name)
root = tree(path.to_s, finder, path.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
🔎 See on GitHub
logger()
📝 Source code
# File actionview/lib/action_view/digestor.rb, line 38
def logger
ActionView::Base.logger || NullLogger
end
🔎 See on GitHub
tree(name, finder, partial = false, seen = {})
Create a dependency tree for template named name
.
📝 Source code
# File actionview/lib/action_view/digestor.rb, line 43
def tree(name, finder, partial = false, seen = {})
logical_name = name.gsub(%r|/_|, "/")
interpolated = name.include?("#")
path = TemplatePath.parse(name)
if !interpolated && (template = find_template(finder, path.name, [path.prefix], partial, []))
if node = seen[template.identifier] # handle cycles in the tree
node
else
node = seen[template.identifier] = Node.create(name, logical_name, template, partial)
deps = DependencyTracker.find_dependencies(name, template, finder.view_paths)
deps.uniq { |n| n.gsub(%r|/_|, "/") }.each do |dep_file|
node.children << tree(dep_file, finder, true, seen)
end
node
end
else
unless interpolated # Dynamic template partial names can never be tracked
logger.error " Couldn't find template for digesting: #{name}"
end
seen[name] ||= Missing.new(name, logical_name, nil)
end
end
🔎 See on GitHub