Class: RuboCop::Cop::Style::Strip

Inherits:
Cop
  • Object
show all
Includes:
RangeHelp
Defined in:
lib/rubocop/cop/style/strip.rb

Overview

This cop identifies places where `lstrip.rstrip` can be replaced by `strip`.

Examples:

# bad
'abc'.lstrip.rstrip
'abc'.rstrip.lstrip

# good
'abc'.strip

Constant Summary collapse

MSG =
'Use `strip` instead of `%<methods>s`.'

Constants included from Util

Util::LITERAL_REGEX

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

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, #disable_uncorrectable, #duplicate_location?, #excluded_file?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #message, #messages, #parse, qualified_cop_name, #reason_to_not_correct, #relevant_file?, #target_rails_version, #target_ruby_version

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 AST::Sexp

#s

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #correctable?, #disable_offense, #disable_uncorrectable?, #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


37
38
39
40
41
42
# File 'lib/rubocop/cop/style/strip.rb', line 37

def autocorrect(node)
  range = range_between(node.receiver.loc.selector.begin_pos,
                        node.source_range.end_pos)

  ->(corrector) { corrector.replace(range, 'strip') }
end

#on_send(node) ⇒ Object


26
27
28
29
30
31
32
33
34
35
# File 'lib/rubocop/cop/style/strip.rb', line 26

def on_send(node)
  lstrip_rstrip(node) do |first_send, method_one, method_two|
    range = range_between(first_send.loc.selector.begin_pos,
                          node.source_range.end_pos)
    add_offense(node,
                location: range,
                message: format(MSG,
                                methods: "#{method_one}.#{method_two}"))
  end
end