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# frozen_string_literal: true module RuboCop module Cop # This module handles measurement and reporting of complexity in methods. module MethodComplexity include ConfigurableMax extend NodePattern::Macros def on_def(node) check_complexity(node, node.method_name) end alias on_defs on_def def on_block(node) define_method?(node) do |name| check_complexity(node, name) end end private def_node_matcher :define_method?, <<-PATTERN (block (send nil? :define_method ({sym str} $_)) args _) PATTERN def check_complexity(node, method_name) # Accepts empty methods always. return unless node.body max = cop_config['Max'] complexity = complexity(node.body) return unless complexity > max msg = format(self.class::MSG, method: method_name, complexity: complexity, max: max) add_offense(node, message: msg) do self.max = complexity.ceil end end def complexity(body) body.each_node(*self.class::COUNTED_NODES).reduce(1) do |score, n| score + complexity_score_for(n) end end end end end
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6,805 entries across 6,799 versions & 26 rubygems