class RuboCop::Cop::Style::RedundantSortBy

Identifies places where ‘sort_by { … }` can be replaced by `sort`.

@example

# bad
array.sort_by { |x| x }
array.sort_by do |var|
  var
end

# good
array.sort

Constants

MSG_BLOCK
MSG_NUMBLOCK

Public Instance Methods

on_block(node) click to toggle source
# File lib/rubocop/cop/style/redundant_sort_by.rb, line 25
def on_block(node)
  redundant_sort_by_block(node) do |send, var_name|
    range = sort_by_range(send, node)

    add_offense(range, message: format(MSG_BLOCK, var: var_name)) do |corrector|
      corrector.replace(range, 'sort')
    end
  end
end
on_numblock(node) click to toggle source
# File lib/rubocop/cop/style/redundant_sort_by.rb, line 35
def on_numblock(node)
  redundant_sort_by_numblock(node) do |send|
    range = sort_by_range(send, node)

    add_offense(range, message: format(MSG_NUMBLOCK)) do |corrector|
      corrector.replace(range, 'sort')
    end
  end
end

Private Instance Methods

sort_by_range(send, node) click to toggle source
# File lib/rubocop/cop/style/redundant_sort_by.rb, line 57
def sort_by_range(send, node)
  range_between(send.loc.selector.begin_pos, node.loc.end.end_pos)
end