Method: GraphQL::Schema::Resolver.null

Defined in:
lib/graphql/schema/resolver.rb

.null(allow_null = nil) ⇒ Object

If true (default), then the return type for this resolver will be nullable. If false, then the return type is non-null.

Parameters:

  • allow_null (Boolean) (defaults to: nil) —

    Whether or not the response can be null

See Also:

  • which sets the return type of this field and accepts a `null:` option


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# File 'lib/graphql/schema/resolver.rb', line 319

def null(allow_null = nil)
  if !allow_null.nil?
    @null = allow_null
  end

  @null.nil? ? (superclass.respond_to?(:null) ? superclass.null : true) : @null
end