Class: RuboCop::Cop::AnyCable::StreamFrom

Inherits:
Cop
  • Object
show all
Defined in:
lib/anycable/rails/compatibility/rubocop/cops/anycable/stream_from.rb

Overview

Checks for #stream_from calls with custom callbacks or coders.

# good
 class MyChannel < ApplicationCable::Channel
   def follow
     stream_from "all"
   end
 end

Examples:

# bad
class MyChannel < ApplicationCable::Channel
  def follow
    stream_from("all") {}
  end
end

class MyChannel < ApplicationCable::Channel
  def follow
    stream_from("all", -> {})
  end
end

class MyChannel < ApplicationCable::Channel
  def follow
    stream_from("all", coder: SomeCoder)
  end
end

Instance Method Summary collapse

Instance Method Details

#on_block(node) ⇒ Object 



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# File 'lib/anycable/rails/compatibility/rubocop/cops/anycable/stream_from.rb', line 56

def on_block(node)
  add_callback_offense(node) if stream_from_with_block?(node)
end

#on_send(node) ⇒ Object 



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# File 'lib/anycable/rails/compatibility/rubocop/cops/anycable/stream_from.rb', line 60

def on_send(node)
  if stream_from_with_callback?(node)
    add_callback_offense(node)
    return
  end

  args = args_of_stream_from(node)
  find_coders(args) { |coder| add_custom_coder_offense(coder) }
end