Class: RuboCop::Cop::Style::VariableInterpolation

Inherits:

Base

• Object
• Base
• RuboCop::Cop::Style::VariableInterpolation

Extended by:

AutoCorrector

Includes:

Interpolation

Defined in:

lib/rubocop/cop/style/variable_interpolation.rb

Overview

This cop checks for variable interpolation (like “#@ivar”).

Examples:

# bad
"His name is #$name"
/check #$pattern/
"Let's go to the #@store"

# good
"His name is #{$name}"
/check #{$pattern}/
"Let's go to the #{@store}"

Constant Summary

MSG =

'Replace interpolated variable `%<variable>s` ' \
'with expression `#{%<variable>s}`.'

Constants inherited from Base

Base::RESTRICT_ON_SEND

Constants included from Util

Util::LITERAL_REGEX

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary

• #on_node_with_interpolations(node) ⇒ Object

Methods included from AutoCorrector

support_autocorrect?

Methods included from Interpolation

#on_dstr, #on_interpolation

Methods inherited from Base

#add_global_offense, #add_offense, autocorrect_incompatible_with, badge, callbacks_needed, #callbacks_needed, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, department, documentation_url, exclude_from_registry, #excluded_file?, #external_dependency_checksum, inherited, #initialize, joining_forces, lint?, match?, #offenses, #on_investigation_end, #on_new_investigation, #on_other_file, #ready, #relevant_file?, support_autocorrect?, support_multiple_source?, #target_rails_version, #target_ruby_version

Methods included from AutocorrectLogic

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

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

add_parentheses, args_begin, args_end, begins_its_line?, comment_line?, comment_lines?, double_quotes_required?, escape_string, first_part_of_call_chain, indent, interpret_string_escapes, line_range, needs_escaping?, on_node, parentheses?, same_line?, to_string_literal, to_supported_styles, trim_string_interporation_escape_character

Methods included from PathUtil

absolute?, hidden_dir?, hidden_file?, hidden_file_in_not_hidden_dir?, match_path?, maybe_hidden_file?, relative_path, smart_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Base

Instance Method Details

#on_node_with_interpolations(node) ⇒ Object

# File 'lib/rubocop/cop/style/variable_interpolation.rb', line 25

def on_node_with_interpolations(node)
  var_nodes(node.children).each do |var_node|
    add_offense(var_node) do |corrector|
      corrector.replace(var_node, "{#{var_node.source}}")
    end
  end
end