Class: RuboCop::Cop::Style::RedundantDoubleSplatHashBraces

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Defined in:
lib/rubocop/cop/style/redundant_double_splat_hash_braces.rb

Overview

Checks for redundant uses of double splat hash braces.

Examples:


# bad
do_something(**{foo: bar, baz: qux})

# good
do_something(foo: bar, baz: qux)

Constant Summary collapse

MSG = 
'Remove the redundant double splat and braces, use keyword arguments directly.'

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 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

#double_splat_hash_braces?(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/redundant_double_splat_hash_braces.rb', line 22

def_node_matcher :double_splat_hash_braces?, "(hash (kwsplat (hash ...)))\n"

#on_hash(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/redundant_double_splat_hash_braces.rb', line 26

def on_hash(node)
  return if node.pairs.empty? || node.pairs.any?(&:hash_rocket?)

  grandparent = node.parent&.parent
  return unless double_splat_hash_braces?(grandparent)

  add_offense(grandparent) do |corrector|
    corrector.replace(grandparent, node.children.map(&:source).join(', '))
  end
end