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Contents
# frozen_string_literal: true
module GraphQL
# Raised automatically when a field's resolve function returns `nil`
# for a non-null field.
class InvalidNullError < GraphQL::RuntimeTypeError
# @return [GraphQL::BaseType] The owner of {#field}
attr_reader :parent_type
# @return [GraphQL::Field] The field which failed to return a value
attr_reader :field
# @return [nil, GraphQL::ExecutionError] The invalid value for this field
attr_reader :value
def initialize(parent_type, field, value)
@parent_type = parent_type
@field = field
@value = value
super("Cannot return null for non-nullable field #{@parent_type.graphql_name}.#{@field.graphql_name}")
end
# @return [Hash] An entry for the response's "errors" key
def to_h
{ "message" => message }
end
# @deprecated always false
def parent_error?
false
end
class << self
attr_accessor :parent_class
def subclass_for(parent_class)
subclass = Class.new(self)
subclass.parent_class = parent_class
subclass
end
def inspect
if (name.nil? || parent_class&.name.nil?) && parent_class.respond_to?(:mutation) && (mutation = parent_class.mutation)
"#{mutation.inspect}::#{parent_class.graphql_name}::InvalidNullError"
else
super
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems