Class: GraphQL::Introspection::InputValueType

Inherits:
Introspection::BaseObject
  • Object
show all
Defined in:
lib/graphql/introspection/input_value_type.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.resolve_default_value(object, context) ⇒ Object 



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# File 'lib/graphql/introspection/input_value_type.rb', line 24

def self.resolve_default_value(object, context)
  if object.default_value?
    value = object.default_value
    if value.nil?
      'null'
    else
      if (object.type.kind.list? || (object.type.kind.non_null? && object.type.of_type.kind.list?)) && !value.respond_to?(:map)
        # This is a bit odd -- we expect the default value to be an application-style value, so we use coerce result below.
        # But coerce_result doesn't wrap single-item lists, which are valid inputs to list types.
        # So, apply that wrapper here if needed.
        value = [value]
      end
      coerced_default_value = object.type.coerce_result(value, context)
      serialize_default_value(coerced_default_value, object.type, context)
    end
  else
    nil
  end
end

.resolve_is_deprecated(object, context) ⇒ Object 



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# File 'lib/graphql/introspection/input_value_type.rb', line 16

def self.resolve_is_deprecated(object, context)
  !!object.deprecation_reason
end

.serialize_default_value(value, type, context) ⇒ Object

Recursively serialize, taking care not to add quotes to enum values



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# File 'lib/graphql/introspection/input_value_type.rb', line 52

def self.serialize_default_value(value, type, context)
  if value.nil?
    'null'
  elsif type.kind.list?
    inner_type = type.of_type
    "[" + value.map { |v| serialize_default_value(v, inner_type, context) }.join(", ") + "]"
  elsif type.kind.non_null?
    serialize_default_value(value, type.of_type, context)
  elsif type.kind.enum?
    value
  elsif type.kind.input_object?
    "{" +
      value.map do |k, v|
        arg_defn = type.get_argument(k, context)
        "#{k}: #{serialize_default_value(v, arg_defn.type, context)}"
      end.join(", ") +
      "}"
  else
    GraphQL::Language.serialize(value)
  end
end

Instance Method Details

#default_value ⇒ Object 



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# File 'lib/graphql/introspection/input_value_type.rb', line 44

def default_value
  self.class.resolve_default_value(object, context)
end

#is_deprecated ⇒ Object 



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# File 'lib/graphql/introspection/input_value_type.rb', line 20

def is_deprecated
  self.class.resolve_is_deprecated(object, context)
end