Class: RuboCop::Cop::Performance::SortWithBlock
- Defined in:
- lib/rubocop/cop/performance/sort_with_block.rb
Overview
This cop identifies places where ‘sort { |a, b| a.foo <=> b.foo }` can be replaced by `sort_by(&:foo)`.
Constant Summary collapse
- MSG =
'Use `sort_by(&:%s)` instead of ' \ '`sort { |%s, %s| %s.%s <=> %s.%s }`.'.freeze
Constants included from Util
Util::ASGN_NODES, Util::BYTE_ORDER_MARK, Util::EQUALS_ASGN_NODES, Util::LITERAL_REGEX, Util::OPERATOR_METHODS, Util::SHORTHAND_ASGN_NODES
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
Methods inherited from Cop
#add_offense, all, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #correct, #debug?, #details, #display_cop_names?, #display_style_guide?, #duplicate_location?, #excluded_file?, #extra_details?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, non_rails, #parse, qualified_cop_name, #reference_url, #relevant_file?, #style_guide_url, #target_ruby_version
Methods included from Sexp
Methods included from NodePattern::Macros
#def_node_matcher, #def_node_search, #node_search, #node_search_all, #node_search_body, #node_search_first
Methods included from AutocorrectLogic
#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?
Methods included from IgnoredNode
#ignore_node, #ignored_node?, #part_of_ignored_node?
Methods included from Util
begins_its_line?, block_length, comment_line?, directions, double_quotes_acceptable?, double_quotes_required?, effective_column, ends_its_line?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_distance, line_range, move_pos, needs_escaping?, numeric_range_size, on_node, operator?, parentheses?, parenthesized_call?, preceed?, range_between, range_with_surrounding_comma, range_with_surrounding_space, same_line?, source_range, strip_quotes, stripped_source_upto, to_string_literal, to_symbol_literal, within_node?
Methods included from PathUtil
absolute?, match_path?, relative_path
Constructor Details
This class inherits a constructor from RuboCop::Cop::Cop
Instance Method Details
#autocorrect(node) ⇒ Object
37 38 39 40 41 42 43 44 |
# File 'lib/rubocop/cop/performance/sort_with_block.rb', line 37 def autocorrect(node) send, = *node lambda do |corrector| method = node.children.last.children.last.children.last corrector.replace(sort_range(send, node), "sort_by(&:#{method})") end end |
#on_block(node) ⇒ Object
28 29 30 31 32 33 34 35 |
# File 'lib/rubocop/cop/performance/sort_with_block.rb', line 28 def on_block(node) sort(node) do |send, var_a, var_b, method| range = sort_range(send, node) add_offense(node, range, format(MSG, method, var_a, var_b, var_a, method, var_b, method)) end end |