brew/Library/Homebrew/rubocops/cask/array_alphabetization.rb

70 lines
2.7 KiB
Ruby

# typed: true
# frozen_string_literal: true
module RuboCop
module Cop
module Cask
class ArrayAlphabetization < Base
extend AutoCorrector
def on_send(node)
return unless [:zap, :uninstall].include?(name = node.method_name)
node.each_descendant(:pair).each do |pair|
symbols = pair.children.select(&:sym_type?).map(&:value)
# For `zap`s, we only care about `trash` arrays.
next if name == :zap && !symbols.include?(:trash)
# Don't order `uninstall` arrays that contain commands.
next if name == :uninstall && (symbols & [:signal, :script, :early_script, :args, :input]).any?
pair.each_descendant(:array).each do |array|
if array.children.length == 1
add_offense(array, message: "Avoid single-element arrays by removing the []") do |corrector|
corrector.replace(array.source_range, array.children.first.source)
end
end
next if array.children.length <= 1
sorted_array = sort_array(array.source.split("\n")).join("\n")
next if array.source == sorted_array
add_offense(array, message: "The array elements should be ordered alphabetically") do |corrector|
corrector.replace(array.source_range, sorted_array)
end
end
end
end
def sort_array(source)
# Combine each comment with the line below it so that they remain connected to the line they comment
combined_source = source.each_with_index.map do |line, index|
if line.strip.start_with?('#') && index < source.length - 1
"#{line}\n#{source[index + 1]}"
elsif source[index - 1]&.strip&.start_with?('#')
nil
else
line
end
end.compact
# Separate the lines into those that should be sorted and those that should not
# ie. skip the opening and closing brackets of the array
to_sort, to_keep = combined_source.partition { |line| !line.include?('[') && !line.include?(']') }
# Sort the lines that should be sorted
to_sort.sort! do |a, b|
a_non_comment = a.split("\n").reject { |line| line.strip.start_with?('#') }.first
b_non_comment = b.split("\n").reject { |line| line.strip.start_with?('#') }.first
a_non_comment.downcase <=> b_non_comment.downcase
end
# Merge the sorted lines and the unsorted lines, preserving the original positions of the unsorted lines
combined_source.map { |line| to_keep.include?(line) ? line : to_sort.shift }
end
end
end
end
end