Class: Spoom::Deadcode::Plugins::ActiveRecord

Inherits:
Base
  • Object
show all
Defined in:
lib/spoom/deadcode/plugins/active_record.rb

Constant Summary collapse

CALLBACKS = 
[
  "after_commit",
  "after_create_commit",
  "after_create",
  "after_destroy_commit",
  "after_destroy",
  "after_find",
  "after_initialize",
  "after_rollback",
  "after_save_commit",
  "after_save",
  "after_touch",
  "after_update_commit",
  "after_update",
  "after_validation",
  "around_create",
  "around_destroy",
  "around_save",
  "around_update",
  "before_create",
  "before_destroy",
  "before_save",
  "before_update",
  "before_validation",
].freeze
CALLBACK_CONDITIONS =

: Array

[
  "if",
  "unless",
].freeze
CRUD_METHODS =

: Array

[
  "assign_attributes",
  "create",
  "create!",
  "insert",
  "insert!",
  "new",
  "update",
  "update!",
  "upsert",
].freeze
ARRAY_METHODS =

: Array

[
  "insert_all",
  "insert_all!",
  "upsert_all",
].freeze

Instance Attribute Summary

Attributes inherited from Base

#index

Instance Method Summary collapse

Methods inherited from Base

ignore_classes_inheriting_from, ignore_classes_named, ignore_constants_named, ignore_methods_named, ignore_modules_named, #initialize, #internal_on_define_accessor, #internal_on_define_class, #internal_on_define_constant, #internal_on_define_method, #internal_on_define_module, #on_define_accessor, #on_define_class, #on_define_constant, #on_define_method, #on_define_module

Constructor Details

This class inherits a constructor from Spoom::Deadcode::Plugins::Base

Instance Method Details

#on_send(send) ⇒ Object

: (Send send) -> void



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# File 'lib/spoom/deadcode/plugins/active_record.rb', line 69

def on_send(send)
  if send.recv.nil? && CALLBACKS.include?(send.name)
    # Process direct symbol arguments
    send.each_arg(Prism::SymbolNode) do |arg|
      @index.reference_method(arg.unescaped, send.location)
    end

    # Process hash arguments for conditions like if: :method_name
    send.each_arg_assoc do |key, value|
      key = key.slice.delete_suffix(":")

      case key
      when *CALLBACK_CONDITIONS
        if value&.is_a?(Prism::SymbolNode)
          @index.reference_method(value.unescaped, send.location)
        end
      end
    end

    return
  end

  return unless send.recv

  case send.name
  when *CRUD_METHODS
    send.each_arg_assoc do |key, _value|
      key = key.slice.delete_suffix(":")
      @index.reference_method("#{key}=", send.location)
    end
  when *ARRAY_METHODS
    send.each_arg(Prism::ArrayNode) do |arg|
      arg.elements.each do |part|
        next unless part.is_a?(Prism::HashNode)

        part.elements.each do |assoc|
          next unless assoc.is_a?(Prism::AssocNode)

          key = assoc.key.slice.delete_suffix(":")
          @index.reference_method("#{key}=", send.location)
        end
      end
    end
  end
end