Rails-RedundantReceiverInWithOptions.md

Pattern: Redundant receiver in with_options

Issue: -

Description

This rule checks for redundant receiver in with_options. Receiver is implicit from Rails 4.2 or higher.

Examples

# bad
class Account < ApplicationRecord
  with_options dependent: :destroy do |assoc|
    assoc.has_many :customers
    assoc.has_many :products
    assoc.has_many :invoices
    assoc.has_many :expenses
  end
end

# good
class Account < ApplicationRecord
  with_options dependent: :destroy do
    has_many :customers
    has_many :products
    has_many :invoices
    has_many :expenses
  end
end

# bad
with_options options: false do |merger|
  merger.invoke(merger.something)
end

# good
with_options options: false do
  invoke(something)
end

# good
client = Client.new
with_options options: false do |merger|
  client.invoke(merger.something, something)
end

# ok
# When `with_options` includes a block, all scoping scenarios
# cannot be evaluated. Thus, it is ok to include the explicit
# receiver.
with_options options: false do |merger|
  merger.invoke
  with_another_method do |another_receiver|
    merger.invoke(another_receiver)
  end
end

Further Reading

• RuboCop - Rails/RedundantReceiverInWithOptions