Module: GraphQL::Schema::Member::HasFields Private

Included in:
Interface::DefinitionMethods, GraphQL::Schema::Mutation, Object, Subscription
Defined in:
lib/graphql/schema/member/has_fields.rb

Overview

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

Shared code for Object and Interface

Constant Summary collapse

CONFLICT_FIELD_NAMES =

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

A list of field names that we should advise users to pick a different resolve method name.

Set.new([
  # GraphQL-Ruby conflicts
  :context, :object,
  # Ruby built-ins conflicts
  :method, :class
])

Instance Method Summary collapse

Instance Method Details

#add_field(field_defn) ⇒ void

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.

This method returns an undefined value.

Register this field with the class, overriding a previous one if needed.

Parameters:



55
56
57
58
59
60
61
 
# File 'lib/graphql/schema/member/has_fields.rb', line 55

def add_field(field_defn)
  if CONFLICT_FIELD_NAMES.include?(field_defn.original_name) && field_defn.original_name == field_defn.resolver_method
    warn "#{self.graphql_name}'s `field :#{field_defn.original_name}` conflicts with a built-in method, use `resolver_method:` to pick a different resolver method for this field (for example, `resolver_method: :resolve_#{field_defn.original_name}` and `def resolve_#{field_defn.original_name}`)"
  end
  own_fields[field_defn.name] = field_defn
  nil
end

#field(*args, **kwargs, &block) ⇒ void

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.

This method returns an undefined value.

Add a field to this object or interface with the given definition

See Also:

  • for method signature


10
11
12
13
14
 
# File 'lib/graphql/schema/member/has_fields.rb', line 10

def field(*args, **kwargs, &block)
  field_defn = field_class.from_options(*args, owner: self, **kwargs, &block)
  add_field(field_defn)
  nil
end

#field_class(new_field_class = nil) ⇒ Class

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.

Returns The class to initialize when adding fields to this kind of schema member

Returns:

  • (Class) —

    The class to initialize when adding fields to this kind of schema member



64
65
66
67
68
69
70
71
72
73
74
75
 
# File 'lib/graphql/schema/member/has_fields.rb', line 64

def field_class(new_field_class = nil)
  if new_field_class
    @field_class = new_field_class
  elsif @field_class
    @field_class
  elsif self.is_a?(Class)
    superclass.respond_to?(:field_class) ? superclass.field_class : GraphQL::Schema::Field
  else
    ancestor = ancestors[1..-1].find { |a| a.respond_to?(:field_class) && a.field_class }
    ancestor ? ancestor.field_class : GraphQL::Schema::Field
  end
end

#fields ⇒ Hash<String => GraphQL::Schema::Field>

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.

Returns Fields on this object, keyed by name, including inherited fields

Returns:

  • (Hash<String => GraphQL::Schema::Field>) —

    Fields on this object, keyed by name, including inherited fields



17
18
19
20
21
22
23
24
25
26
 
# File 'lib/graphql/schema/member/has_fields.rb', line 17

def fields
  # Local overrides take precedence over inherited fields
  all_fields = {}
  ancestors.reverse_each do |ancestor|
    if ancestor.respond_to?(:own_fields)
      all_fields.merge!(ancestor.own_fields)
    end
  end
  all_fields
end

#get_field(field_name) ⇒ 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. 



28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/graphql/schema/member/has_fields.rb', line 28

def get_field(field_name)
  if (f = own_fields[field_name])
    f
  else
    for ancestor in ancestors
      if ancestor.respond_to?(:own_fields) && f = ancestor.own_fields[field_name]
        return f
      end
    end
    nil
  end
end

#global_id_field(field_name) ⇒ 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. 



77
78
79
80
81
82
83
 
# File 'lib/graphql/schema/member/has_fields.rb', line 77

def global_id_field(field_name)
  id_resolver = GraphQL::Relay::GlobalIdResolve.new(type: self)
  field field_name, "ID", null: false
  define_method(field_name) do
    id_resolver.call(object, {}, context)
  end
end

#own_fields ⇒ Array<GraphQL::Schema::Field>

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.

Returns Fields defined on this class specifically, not parent classes

Returns:



86
87
88
 
# File 'lib/graphql/schema/member/has_fields.rb', line 86

def own_fields
  @own_fields ||= {}
end