Contents

require File.expand_path('../../../templates/each_to_map', __FILE__)
require File.expand_path('../../../templates/each_to_select', __FILE__)

class Exercism
  module Analyzers

    class IterMutation < Analyzer

      processor Processors::IterMutationProcessor

      def call
        feedback = processor.result.map do |mutation|
          Feedback.from_src(:iter_mutation, mutation.iter.src_extract, mutation_replacement(mutation)) unless mutation.mutators.empty?
        end
        Result.new(:iter_mutation, feedback.compact)
      end

      private

      def mutation_replacement(mutation)
        if filter?(mutation)
          Templates::EachToSelect.render(mutation)
        else
          Templates::EachToMap.render(mutation)
        end
      end

      def filter?(mutation)
        mutation.iter.block.params.each_param.any? do |param|
          mutation.mutators.map { |m| m.exp.body.value }.include?(param.value)
        end
      end

    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
exercism-analysis-0.1.1	lib/exercism-analysis/analyzers/ruby/iter_mutation.rb