Module: ViewComponent::PolymorphicSlots::ClassMethods

Defined in:
lib/view_component/polymorphic_slots.rb

Instance Method Summary collapse

Instance Method Details

#register_polymorphic_slot(slot_name, types, collection:) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/view_component/polymorphic_slots.rb', line 38

def register_polymorphic_slot(slot_name, types, collection:)
  unless types.empty?
    getter_name = slot_name

    define_method(getter_name) do
      get_slot(slot_name)
    end

    define_method("#{getter_name}?") do
      get_slot(slot_name).present?
    end
  end

  renderable_hash = types.each_with_object({}) do |(poly_type, poly_callable), memo|
    memo[poly_type] = define_slot(
      "#{slot_name}_#{poly_type}", collection: collection, callable: poly_callable
    )

    setter_name =
      if collection
        "#{ActiveSupport::Inflector.singularize(slot_name)}_#{poly_type}"
      else
        "#{slot_name}_#{poly_type}"
      end

    define_method("with_#{setter_name}") do |*args, &block|
      set_polymorphic_slot(slot_name, poly_type, *args, &block)
    end
    ruby2_keywords(:"with_#{setter_name}") if respond_to?(:ruby2_keywords, true)
  end

  registered_slots[slot_name] = {
    collection: collection,
    renderable_hash: renderable_hash
  }
end

#renders_many(slot_name, callable = nil) ⇒ Object 



31
32
33
34
35
36
 
# File 'lib/view_component/polymorphic_slots.rb', line 31

def renders_many(slot_name, callable = nil)
  return super unless callable.is_a?(Hash) && callable.key?(:types)

  validate_plural_slot_name(slot_name)
  register_polymorphic_slot(slot_name, callable[:types], collection: true)
end

#renders_one(slot_name, callable = nil) ⇒ Object 



24
25
26
27
28
29
 
# File 'lib/view_component/polymorphic_slots.rb', line 24

def renders_one(slot_name, callable = nil)
  return super unless callable.is_a?(Hash) && callable.key?(:types)

  validate_singular_slot_name(slot_name)
  register_polymorphic_slot(slot_name, callable[:types], collection: false)
end