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Contents
# frozen_string_literal: true
require 'pathname'
module RuboCop
module Formatter
# This formatter displays the list of offensive files, sorted by number of
# offenses with the worst offenders first.
#
# Here's the format:
#
# 26 this/file/is/really/bad.rb
# 3 just/ok.rb
# --
# 29 Total
class WorstOffendersFormatter < BaseFormatter
attr_reader :offense_counts
def started(target_files)
super
@offense_counts = {}
end
def file_finished(file, offenses)
return if offenses.empty?
path = Pathname.new(file).relative_path_from(Pathname.new(Dir.pwd))
@offense_counts[path] = offenses.size
end
def finished(_inspected_files)
report_summary(@offense_counts)
end
# rubocop:disable Metrics/AbcSize
def report_summary(offense_counts)
per_file_counts = ordered_offense_counts(offense_counts)
total_count = total_offense_count(offense_counts)
output.puts
per_file_counts.each do |file_name, count|
output.puts "#{count.to_s.ljust(total_count.to_s.length + 2)}" \
"#{file_name}\n"
end
output.puts '--'
output.puts "#{total_count} Total"
output.puts
end
# rubocop:enable Metrics/AbcSize
def ordered_offense_counts(offense_counts)
Hash[offense_counts.sort_by { |k, v| [-v, k] }]
end
def total_offense_count(offense_counts)
offense_counts.values.inject(0, :+)
end
end
end
end
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