Class: RuboCop::Cop::Rails::I18nLazyLookup

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
VisibilityHelp
Defined in:
lib/rubocop/cop/rails/i18n_lazy_lookup.rb

Overview

Checks for places where I18n “lazy” lookup can be used.

Examples:

# en.yml
# en:
#   books:
#     create:
#       success: Book created!

# bad
class BooksController < ApplicationController
  def create
    # ...
    redirect_to books_url, notice: t('books.create.success')
  end
end

# good
class BooksController < ApplicationController
  def create
    # ...
    redirect_to books_url, notice: t('.success')
  end
end

Constant Summary collapse

MSG = 
'Use "lazy" lookup for the text used in controllers.'
RESTRICT_ON_SEND = 
%i[translate t].freeze

Instance Method Summary collapse

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/rails/i18n_lazy_lookup.rb', line 43

def on_send(node)
  translate_call?(node) do |key_node|
    key = key_node.value
    return if key.to_s.start_with?('.')

    controller, action = controller_and_action(node)
    return unless controller && action

    scoped_key = get_scoped_key(key_node, controller, action)
    return unless key == scoped_key

    add_offense(key_node) do |corrector|
      unscoped_key = key_node.value.to_s.split('.').last
      corrector.replace(key_node, "'.#{unscoped_key}'")
    end
  end
end