method

modules_for_helpers

v4.1.8 - Show latest stable - 0 notes - 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:

String or Symbol

: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.

Show source

# File actionpack/lib/abstract_controller/helpers.rb, line 146
      def modules_for_helpers(args)
        args.flatten.map! do |arg|
          case arg
          when String, Symbol
            file_name = "#{arg.to_s.underscore}_helper"
            begin
              require_dependency(file_name)
            rescue LoadError => e
              raise AbstractController::Helpers::MissingHelperError.new(e, file_name)
            end
            file_name.camelize.constantize
          when Module
            arg
          else
            raise ArgumentError, "helper must be a String, Symbol, or Module"
          end
        end
      end

modules_for_helpers

Related methods

Parameters

Returns