active_support_notification_exclude_bang.rb

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  # Activate the gem you are reporting the issue against.
  gem "activesupport", "6.0.3"
end

require "active_support"
require "active_support/core_ext/object/blank"

events = []

ActiveSupport::Notifications.subscribe(/^(?!\!)\w+$/) do |*args|
  events << ActiveSupport::Notifications::Event.new(*args)
end

ActiveSupport::Notifications.instrument('!render', extra: :information) do
  p '!render'
end

ActiveSupport::Notifications.instrument('render', extra: :information) do
  p 'render'
end

pp events
=begin
[#<ActiveSupport::Notifications::Event:0x00007fb8fd2d9430
  @allocation_count_finish=0,
  @allocation_count_start=0,
  @children=[],
  @cpu_time_finish=0,
  @cpu_time_start=0,
  @end=2020-08-02 18:18:00.068077 +0200,
  @name="render",
  @payload={:extra=>:information},
  @time=2020-08-02 18:18:00.068057 +0200,
  @transaction_id="2ee4830665b61ab5d72e">]
=end