Find delegated methods in Ruby on Rails

delegated = delegates(project, :ci_cd_settings)

def delegates(fromobj, tosym)  # Get map of delegated methods.  # Rails doesn't maintain a table of delegated methods, so it needs to be  # reconstructed by parsing methods source.  regex = /^\s*delegate .*to: \s*:#{tosym}.*/mx  delegated = {}  fromobj.methods.each do |symname|    method = fromobj.method(symname)    next unless method.source_location    next unless method.source =~ regex    name = symname.to_s    # Example for `Project.last.method("ci_opt_in_jwt").source``    # "  delegate :opt_in_jwt, :opt_in_jwt=, to: :ci_cd_settings, prefix: :ci, allow_nil: true
"    prefix_match = method.source.match /prefix: \s+ :(\w+)/mx    delegated[name] =      if prefix_match        name.delete_prefix("#{prefix_match[1]}_")      else        name      end  end  delegatedend