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rails--rails/actioncable/lib/action_cable/channel/naming.rb
Ryuta Kamizono 528b62e386 Address to false negative for Performance/DeletePrefix,DeleteSuffix
Follow up to c07dff7227.

Actually it is not the cop's fault, but we mistakenly use `^`, `$`, and
`\Z` in much places, the cop doesn't correct those conservatively.

I've checked all those usage and replaced all safe ones.
2020-06-14 13:04:47 +09:00

25 lines
850 B
Ruby

# frozen_string_literal: true
module ActionCable
module Channel
module Naming
extend ActiveSupport::Concern
module ClassMethods
# Returns the name of the channel, underscored, without the <tt>Channel</tt> ending.
# If the channel is in a namespace, then the namespaces are represented by single
# colon separators in the channel name.
#
# ChatChannel.channel_name # => 'chat'
# Chats::AppearancesChannel.channel_name # => 'chats:appearances'
# FooChats::BarAppearancesChannel.channel_name # => 'foo_chats:bar_appearances'
def channel_name
@channel_name ||= name.delete_suffix("Channel").gsub("::", ":").underscore
end
end
# Delegates to the class' <tt>channel_name</tt>
delegate :channel_name, to: :class
end
end
end