class RuboCop::Cop::Performance::RedundantSortBy
This cop 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
Public Instance Methods
autocorrect(node)
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# File lib/rubocop/cop/performance/redundant_sort_by.rb, line 34 def autocorrect(node) send, = *node ->(corrector) { corrector.replace(sort_by_range(send, node), 'sort') } end
on_block(node)
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# File lib/rubocop/cop/performance/redundant_sort_by.rb, line 24 def on_block(node) redundant_sort_by(node) do |send, var_name| range = sort_by_range(send, node) add_offense(node, location: range, message: format(MSG, var_name, var_name)) end end
Private Instance Methods
sort_by_range(send, node)
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# File lib/rubocop/cop/performance/redundant_sort_by.rb, line 41 def sort_by_range(send, node) range_between(send.loc.selector.begin_pos, node.loc.end.end_pos) end