Class: RuboCop::Cop::Style::UnpackFirst
- Extended by:
- TargetRubyVersion
- Defined in:
- lib/rubocop/cop/style/unpack_first.rb
Overview
This cop checks for accessing the first element of ‘String#unpack` which can be replaced with the shorter method `unpack1`.
Constant Summary collapse
- MSG =
'Use `%<receiver>s.unpack1(%<format>s)` instead of '\ '`%<receiver>s.unpack(%<format>s)%<method>s`.'
Constants included from Util
Instance Attribute Summary
Attributes inherited from Cop
#config, #corrections, #offenses, #processed_source
Instance Method Summary collapse
Methods included from TargetRubyVersion
minimum_target_ruby_version, support_target_ruby_version?
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/unpack_first.rb', line 46 def autocorrect(node) unpack_and_first_element?(node) do |unpack_call, _unpack_arg| lambda do |corrector| corrector.remove(first_element_range(node, unpack_call)) corrector.replace(unpack_call.loc.selector, 'unpack1') end end end |
#on_send(node) ⇒ Object
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# File 'lib/rubocop/cop/style/unpack_first.rb', line 35 def on_send(node) unpack_and_first_element?(node) do |unpack_call, unpack_arg| range = first_element_range(node, unpack_call) = format(MSG, receiver: unpack_call.receiver.source, format: unpack_arg.source, method: range.source) add_offense(node, message: ) end end |