Method: GraphQL::Schema::Member::HasDirectives.get_directives

Defined in:
lib/graphql/schema/member/has_directives.rb

.get_directives(schema_member, directives, directives_method) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/graphql/schema/member/has_directives.rb', line 50

def get_directives(schema_member, directives, directives_method)
  case schema_member
  when Class
    inherited_directives = if schema_member.superclass.respond_to?(directives_method)
      get_directives(schema_member.superclass, schema_member.superclass.public_send(directives_method), directives_method)
    else
      GraphQL::EmptyObjects::EMPTY_ARRAY
    end
    if !inherited_directives.empty? && directives
      dirs = []
      merge_directives(dirs, inherited_directives)
      merge_directives(dirs, directives)
      dirs
    elsif directives
      directives
    elsif !inherited_directives.empty?
      inherited_directives
    else
      GraphQL::EmptyObjects::EMPTY_ARRAY
    end
  when Module
    dirs = nil
    schema_member.ancestors.reverse_each do |ancestor|
      if ancestor.respond_to?(:own_directives) &&
          !(anc_dirs = ancestor.own_directives).empty?
        dirs ||= []
        merge_directives(dirs, anc_dirs)
      end
    end
    if directives
      dirs ||= []
      merge_directives(dirs, directives)
    end
    dirs || GraphQL::EmptyObjects::EMPTY_ARRAY
  when HasDirectives
    directives || GraphQL::EmptyObjects::EMPTY_ARRAY
  else
    raise "Invariant: how could #{schema_member} not be a Class, Module, or instance of HasDirectives?"
  end
end