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# frozen_string_literal: true
module Gitlab
module Graphql
module FindArgumentInParent
# Searches up the GraphQL AST and returns the first matching argument
# passed to a node
def self.find(parent, argument, limit_depth: nil)
argument = argument.to_s.camelize(:lower).to_sym
depth = 0
while parent.respond_to?(:parent)
args = node_args(parent)
return args[argument] if args.key?(argument)
depth += 1
return if limit_depth && depth >= limit_depth
parent = parent.parent
end
end
class << self
private
def node_args(node)
node.irep_node.arguments
end
end
end
end
end
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