Class: RuboCop::Cop::Style::ParallelAssignment
- Includes:
- RescueNode
- Defined in:
- lib/rubocop/cop/style/parallel_assignment.rb
Overview
Checks for simple usages of parallel assignment. This will only complain when the number of variables being assigned matched the number of assigning variables.
Defined Under Namespace
Classes: AssignmentSorter, GenericCorrector, ModifierCorrector, RescueCorrector
Constant Summary collapse
- MSG =
'Do not use parallel assignment.'.freeze
Constants included from Util
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
Methods included from RescueNode
Methods inherited from Cop
#add_offense, all, autocorrect_incompatible_with, badge, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, #correct, department, #duplicate_location?, #excluded_file?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, non_rails, #parse, qualified_cop_name, #relevant_file?, #target_rails_version, #target_ruby_version
Methods included from AST::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?, comment_line?, double_quotes_required?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_range, needs_escaping?, on_node, parentheses?, same_line?, to_string_literal, to_supported_styles, tokens, trim_string_interporation_escape_character
Methods included from PathUtil
absolute?, chdir, hidden_dir?, hidden_file_in_not_hidden_dir?, match_path?, pwd, relative_path, reset_pwd, smart_path
Constructor Details
This class inherits a constructor from RuboCop::Cop::Cop
Instance Method Details
#autocorrect(node) ⇒ Object
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# File 'lib/rubocop/cop/style/parallel_assignment.rb', line 41 def autocorrect(node) lambda do |corrector| left, right = *node left_elements = *left right_elements = [*right].compact order = find_valid_order(left_elements, right_elements) correction = assignment_corrector(node, order) corrector.replace(correction.correction_range, correction.correction) end end |
#on_masgn(node) ⇒ Object
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# File 'lib/rubocop/cop/style/parallel_assignment.rb', line 30 def on_masgn(node) lhs, rhs = *node lhs_elements = *lhs rhs_elements = [*rhs].compact # edge case for one constant return if allowed_lhs?(lhs) || allowed_rhs?(rhs) || allowed_masign?(lhs_elements, rhs_elements) add_offense(node) end |