Class: RuboCop::Cop::Lint::EmptyInterpolation

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

Overview

Checks for empty interpolation.

Examples:


# bad

"result is #{}"

# good

"result is #{some_result}"

Constant Summary collapse

MSG =
'Empty interpolation detected.'

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, 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?, #message, #offenses, #on_investigation_end, #on_new_investigation, #on_other_file, #parse, #ready, #relevant_file?, 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/empty_interpolation.rb', line 25

def on_interpolation(begin_node)
  return unless begin_node.children.empty?

  add_offense(begin_node) { |corrector| corrector.remove(begin_node.loc.expression) }
end