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# frozen_string_literal: true
module GraphQL
module StaticValidation
module InputObjectNamesAreUnique
def on_input_object(node, parent)
validate_input_fields(node)
super
end
private
def validate_input_fields(node)
input_field_defns = node.arguments
input_fields_by_name = Hash.new { |h, k| h[k] = [] }
input_field_defns.each { |a| input_fields_by_name[a.name] << a }
input_fields_by_name.each do |name, defns|
if defns.size > 1
error = GraphQL::StaticValidation::InputObjectNamesAreUniqueError.new(
"There can be only one input field named \"#{name}\"",
nodes: defns,
name: name
)
add_error(error)
end
end
end
end
end
end
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