method

concerns

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: Concerns

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8 (0)
4.2.1 (0)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2
7.1.3.4
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v6.0.0) is shown here.

These similar methods exist in v7.1.3.2:

ActionDispatch::Routing::Mapper::Mapping::Scoping::Concerns#concerns

concerns(*args) public

Use the named concerns

resources :posts do
  concerns :commentable
end

Concerns also work in any routes helper that you want to use:

namespace :posts do
  concerns :commentable
end

Show source

# File actionpack/lib/action_dispatch/routing/mapper.rb, line 2059
        def concerns(*args)
          options = args.extract_options!
          args.flatten.each do |name|
            if concern = @concerns[name]
              concern.call(self, options)
            else
              raise ArgumentError, "No concern named #{name} was found!"
            end
          end
        end

concerns

Related methods

Method deprecated or moved