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# frozen_string_literal: true
module GraphQL
module Define
# This object delegates most methods to a dictionary of functions, {@dictionary}.
# {@target} is passed to the specified function, along with any arguments and block.
# This allows a method-based DSL without adding methods to the defined class.
class DefinedObjectProxy
# The object which will be defined by definition functions
attr_reader :target
def initialize(target)
@target = target
@dictionary = target.class.dictionary
end
# Provides shorthand access to GraphQL's built-in types
def types
GraphQL::Define::TypeDefiner.instance
end
# Allow `plugin` to perform complex initialization on the definition.
# Calls `plugin.use(defn, **kwargs)`.
# @param plugin [<#use(defn, **kwargs)>] A plugin object
# @param kwargs [Hash] Any options for the plugin
def use(plugin, **kwargs)
# https://bugs.ruby-lang.org/issues/10708
if kwargs == {}
plugin.use(self)
else
plugin.use(self, **kwargs)
end
end
# Lookup a function from the dictionary and call it if it's found.
def method_missing(name, *args, &block)
definition = @dictionary[name]
if definition
definition.call(@target, *args, &block)
else
msg = "#{@target.class.name} can't define '#{name}'"
raise NoMethodError, msg, caller
end
end
def respond_to_missing?(name, include_private = false)
@dictionary[name] || super
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems