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# frozen_string_literal: true
module Types
class BaseArgument < GraphQL::Schema::Argument
include Gitlab::Graphql::Deprecations
attr_reader :doc_reference
def initialize(*args, **kwargs, &block)
@doc_reference = kwargs.delete(:see)
# our custom addition `nullable` which allows us to declare
# an argument that must be provided, even if its value is null.
# When `required: true` then required arguments must not be null.
@gl_required = !!kwargs[:required]
@gl_nullable = kwargs[:required] == :nullable
# Only valid if an argument is also required.
if @gl_nullable
# Since the framework asserts that "required" means "cannot be null"
# we have to switch off "required" but still do the check in `ready?` behind the scenes
kwargs[:required] = false
end
super(*args, **kwargs, &block)
end
def accepts?(value)
# if the argument is declared as required, it must be included
return false if @gl_required && value == :not_given
# if the argument is declared as required, the value can only be null IF it is also nullable.
return false if @gl_required && value.nil? && !@gl_nullable
true
end
end
end
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