Class: RuboCop::Cop::Lint::LiteralInInterpolation

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
Interpolation, PercentLiteral, RangeHelp
Defined in:
lib/rubocop/cop/lint/literal_in_interpolation.rb

Overview

Checks for interpolated literals.

Examples:


# bad
"result is #{10}"

# good
"result is 10"

Constant Summary collapse

MSG = 
'Literal interpolation detected.'
COMPOSITE = 
%i[array hash pair irange erange].freeze

Constants inherited from Base

Base::RESTRICT_ON_SEND

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary collapse

Methods included from AutoCorrector

support_autocorrect?

Methods included from Interpolation

#on_dstr, #on_node_with_interpolations

Methods inherited from Base

#active_support_extensions_enabled?, #add_global_offense, #add_offense, #always_autocorrect?, autocorrect_incompatible_with, badge, #begin_investigation, #callbacks_needed, callbacks_needed, #config_to_allow_offenses, #config_to_allow_offenses=, #contextual_autocorrect?, #cop_config, cop_name, #cop_name, department, documentation_url, exclude_from_registry, #excluded_file?, #external_dependency_checksum, inherited, #initialize, #inspect, joining_forces, lint?, match?, #message, #offenses, #on_investigation_end, #on_new_investigation, #on_other_file, #parse, #parser_engine, #ready, #relevant_file?, requires_gem, #string_literals_frozen_by_default?, support_autocorrect?, support_multiple_source?, #target_rails_version, #target_ruby_version

Methods included from ExcludeLimit

#exclude_limit

Methods included from AutocorrectLogic

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

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

silence_warnings

Constructor Details

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

Instance Method Details

#on_interpolation(begin_node) ⇒ Object 



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# File 'lib/rubocop/cop/lint/literal_in_interpolation.rb', line 24

def on_interpolation(begin_node)
  final_node = begin_node.children.last
  return unless offending?(final_node)

  # %W and %I split the content into words before expansion
  # treating each interpolation as a word component, so
  # interpolation should not be removed if the expanded value
  # contains a space character.
  expanded_value = autocorrected_value(final_node)
  expanded_value = handle_special_regexp_chars(begin_node, expanded_value)

  return if in_array_percent_literal?(begin_node) && /\s|\A\z/.match?(expanded_value)

  add_offense(final_node) do |corrector|
    return if final_node.dstr_type? # nested, fixed in next iteration

    corrector.replace(final_node.parent, expanded_value)
  end
end