Class: RuboCop::Cop::Lint::BigDecimalNew

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

Overview

`BigDecimal.new()` is deprecated since BigDecimal 1.3.3. This cop identifies places where `BigDecimal.new()` can be replaced by `BigDecimal()`.

Examples:

# bad
BigDecimal.new(123.456, 3)

# good
BigDecimal(123.456, 3)

Constant Summary collapse

MSG =
'`%<double_colon>sBigDecimal.new()` is deprecated. ' \
'Use `%<double_colon>sBigDecimal()` instead.'
RESTRICT_ON_SEND =
%i[new].freeze

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary collapse

Methods included from AutoCorrector

support_autocorrect?

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?, #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?, #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

#big_decimal_new(node) ⇒ Object


25
26
27
28
# File 'lib/rubocop/cop/lint/big_decimal_new.rb', line 25

def_node_matcher :big_decimal_new, <<~PATTERN
  (send
    (const ${nil? cbase} :BigDecimal) :new ...)
PATTERN

#on_send(node) ⇒ Object


30
31
32
33
34
35
36
37
38
39
40
# File 'lib/rubocop/cop/lint/big_decimal_new.rb', line 30

def on_send(node)
  big_decimal_new(node) do |captured_value|
    double_colon = captured_value ? '::' : ''
    message = format(MSG, double_colon: double_colon)

    add_offense(node.loc.selector, message: message) do |corrector|
      corrector.remove(node.loc.selector)
      corrector.remove(node.loc.dot)
    end
  end
end