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# frozen_string_literal: true
module GraphQL
module StaticValidation
module ArgumentNamesAreUnique
include GraphQL::StaticValidation::Error::ErrorHelper
def on_field(node, parent)
validate_arguments(node)
super
end
def on_directive(node, parent)
validate_arguments(node)
super
end
def validate_arguments(node)
argument_defns = node.arguments
if argument_defns.any?
args_by_name = Hash.new { |h, k| h[k] = [] }
argument_defns.each { |a| args_by_name[a.name] << a }
args_by_name.each do |name, defns|
if defns.size > 1
add_error(GraphQL::StaticValidation::ArgumentNamesAreUniqueError.new("There can be only one argument named \"#{name}\"", nodes: defns, name: name))
end
end
end
end
end
end
end
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