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# frozen_string_literal: true
require "graphql/schema/find_inherited_value"
module GraphQL
class Schema
class Member
# DSL methods shared by lots of things in the GraphQL Schema.
# @api private
# @see Classes that extend this, eg {GraphQL::Schema::Object}
module BaseDSLMethods
include GraphQL::Schema::FindInheritedValue
# Call this with a new name to override the default name for this schema member; OR
# call it without an argument to get the name of this schema member
#
# The default name is implemented in default_graphql_name
# @param new_name [String]
# @return [String]
def graphql_name(new_name = nil)
if new_name
GraphQL::NameValidator.validate!(new_name)
@graphql_name = new_name
else
@graphql_name ||= default_graphql_name
end
end
# Just a convenience method to point out that people should use graphql_name instead
def name(new_name = nil)
return super() if new_name.nil?
fail(
"The new name override method is `graphql_name`, not `name`. Usage: "\
"graphql_name \"#{new_name}\""
)
end
# Call this method to provide a new description; OR
# call it without an argument to get the description
# @param new_description [String]
# @return [String]
def description(new_description = nil)
if new_description
@description = new_description
elsif defined?(@description)
@description
else
@description = nil
end
end
# This pushes some configurations _down_ the inheritance tree,
# in order to prevent repetitive lookups at runtime.
module ConfigurationExtension
def inherited(child_class)
child_class.introspection(introspection)
child_class.description(description)
child_class.default_graphql_name = nil
if defined?(@graphql_name) && @graphql_name && (self.name.nil? || graphql_name != default_graphql_name)
child_class.graphql_name(graphql_name)
else
child_class.graphql_name = nil
end
super
end
end
# @return [Boolean] If true, this object is part of the introspection system
def introspection(new_introspection = nil)
if !new_introspection.nil?
@introspection = new_introspection
elsif defined?(@introspection)
@introspection
else
false
end
end
def introspection?
!!@introspection
end
# The mutation this type was derived from, if it was derived from a mutation
# @return [Class]
def mutation(mutation_class = nil)
if mutation_class
@mutation = mutation_class
elsif defined?(@mutation)
@mutation
else
nil
end
end
alias :unwrap :itself
# Creates the default name for a schema member.
# The default name is the Ruby constant name,
# without any namespaces and with any `-Type` suffix removed
def default_graphql_name
@default_graphql_name ||= begin
raise GraphQL::RequiredImplementationMissingError, 'Anonymous class should declare a `graphql_name`' if name.nil?
g_name = -name.split("::").last
g_name.end_with?("Type") ? g_name.sub(/Type\Z/, "") : g_name
end
end
def visible?(context)
true
end
def authorized?(object, context)
true
end
def default_relay
false
end
protected
attr_writer :default_graphql_name, :graphql_name
end
end
end
end
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