method

modules_for_helpers

v3.2.8 - Show latest stable - Class: AbstractController::Helpers::ClassMethods

modules_for_helpers(args)

public

Returns a list of modules, normalized from the acceptable kinds of helpers with the following behavior:

:FooBar or “FooBar” becomes “foo_bar_helper”,

and "foo_bar_helper.rb" is loaded using require_dependency.

Module

No further processing

After loading the appropriate files, the corresponding modules are returned.

Parameters

args - An array of helpers

Returns

Array - A normalized list of modules for the list of helpers provided.

# File actionpack/lib/abstract_controller/helpers.rb, line 130
      def modules_for_helpers(args)
        args.flatten.map! do |arg|
          case arg
          when String, Symbol
            file_name = "#{arg.to_s.underscore}_helper"
            require_dependency(file_name, "Missing helper file helpers/%s.rb")
            file_name.camelize.constantize
          when Module
            arg
          else
            raise ArgumentError, "helper must be a String, Symbol, or Module"
          end
        end
      end

modules_for_helpers

Parameters

Returns

Related methods