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# frozen_string_literal: true require_relative 'base_detector' module Reek module SmellDetectors # # A variant on LongParameterList that checks the number of items # passed to a block by a +yield+ call. # # See {file:docs/Long-Yield-List.md} for details. class LongYieldList < BaseDetector # The name of the config field that sets the maximum number of # parameters permitted in any method or block. MAX_ALLOWED_PARAMS_KEY = 'max_params'.freeze DEFAULT_MAX_ALLOWED_PARAMS = 3 def self.default_config super.merge MAX_ALLOWED_PARAMS_KEY => DEFAULT_MAX_ALLOWED_PARAMS end # # Checks the number of parameters in the given scope. # # @return [Array<SmellWarning>] # # :reek:FeatureEnvy # :reek:DuplicateMethodCall: { max_calls: 2 } def sniff(ctx) max_allowed_params = value(MAX_ALLOWED_PARAMS_KEY, ctx) ctx.local_nodes(:yield).select do |yield_node| yield_node.args.length > max_allowed_params end.map do |yield_node| count = yield_node.args.length smell_warning( context: ctx, lines: [yield_node.line], message: "yields #{count} parameters", parameters: { count: count }) end end end end end
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6 entries across 6 versions & 1 rubygems