class Rails::Application::Configuration

used when activating those extensions that have been enabled.
available. One of its side effects is to populate the ExtensionLoader's list of extension root locations, later
This method is always called during initialization, either as a default or to check that specified extensions are

TrustyCms.configuration.available_extensions # => [:name, :name, :name, :name]

gem whose path ends in the form +radiant-something-extension+ is considered to be an extension.
Returns an alphabetical list of every extension found among all the load paths and bundled gems. Any plugin or

def available_extensions
  @available_extensions ||= (vendored_extensions + gem_extensions).uniq.sort.map(&:to_sym)
end