class RuboCop::Cop::RubyLsp::UseRegisterWithHandlerMethod

Avoid using register without handler method, or handler without register.

@example

Register without handler method.¶ ↑

bad¶ ↑

class MyListener def initialize(dispatcher) dispatcher.register( self, :on_string_node_enter, ) end end

good¶ ↑

class MyListener def initialize(dispatcher) dispatcher.register( self, :on_string_node_enter, ) end

def on_string_node_enter(node) end end

@example

Handler method without register.¶ ↑

bad¶ ↑

class MyListener def initialize(dispatcher) dispatcher.register( self, ) end

def on_string_node_enter(node) end end

good¶ ↑

class MyListener def initialize(dispatcher) dispatcher.register( self, :on_string_node_enter, ) end

def on_string_node_enter(node) end end

Constants

>MSG_MISSING_HANDLER
>MSG_MISSING_LISTENER

Public Instance Methods

on_new_investigation()

# File lib/rubocop/cop/ruby_lsp/use_register_with_handler_method.rb, line 84
def on_new_investigation
  return if processed_source.blank?

  listeners = find_all_listeners(processed_source.ast).flat_map { |listener| listener }
  handlers = find_all_handlers(processed_source.ast).flat_map { |handler| handler }

  add_offense_to_listeners_without_handler(listeners, handlers)
  add_offense_handlers_without_listener(listeners, handlers)
end

class RuboCop::Cop::RubyLsp::UseRegisterWithHandlerMethod

Register without handler method.¶ ↑

bad¶ ↑

good¶ ↑

Handler method without register.¶ ↑

bad¶ ↑

good¶ ↑

Constants

Public Instance Methods

on_new_investigation() Show source

on_new_investigation()