Appease the RuboCop

discordrb.gemspec

@@ -37,9 +37,9 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'redcarpet', '~> 3.5.0' # YARD markdown formatting
   spec.add_development_dependency 'rspec', '~> 3.11.0'
-  spec.add_development_dependency 'rspec_junit_formatter', '~> 0.4.1'
+  spec.add_development_dependency 'rspec_junit_formatter', '~> 0.5.1'
   spec.add_development_dependency 'rspec-prof', '~> 0.0.7'
-  spec.add_development_dependency 'rubocop', '~> 1.27.0'
+  spec.add_development_dependency 'rubocop', '~> 1.28.2'
   spec.add_development_dependency 'rubocop-performance', '~> 1.0'
   spec.add_development_dependency 'rubocop-rake', '~> 0.6.0'
   spec.add_development_dependency 'simplecov', '~> 0.21.0'

examples/slash_commands.rb

@@ -2,7 +2,7 @@
 
 require 'discordrb'
 
-bot = Discordrb::Bot.new(token: ENV['SLASH_COMMAND_BOT_TOKEN'], intents: [:server_messages])
+bot = Discordrb::Bot.new(token: ENV.fetch('SLASH_COMMAND_BOT_TOKEN', nil), intents: [:server_messages])
 
 # We need to register our application comomands separately from the handlers with a special DSL.
 # This example uses server specific commands so that they appear immediately for testing,
@@ -11,7 +11,7 @@
 #
 # You may want to have a separate script for registering your commands so you don't need to do this every
 # time you start your bot.
-bot.register_application_command(:example, 'Example commands', server_id: ENV['SLASH_COMMAND_BOT_SERVER_ID']) do |cmd|
+bot.register_application_command(:example, 'Example commands', server_id: ENV.fetch('SLASH_COMMAND_BOT_SERVER_ID', nil)) do |cmd|
   cmd.subcommand_group(:fun, 'Fun things!') do |group|
     group.subcommand('8ball', 'Shake the magic 8 ball') do |sub|
       sub.string('question', 'Ask a question to receive wisdom', required: true)
@@ -29,7 +29,7 @@
   end
 end
 
-bot.register_application_command(:spongecase, 'Are you mocking me?', server_id: ENV['SLASH_COMMAND_BOT_SERVER_ID']) do |cmd|
+bot.register_application_command(:spongecase, 'Are you mocking me?', server_id: ENV.fetch('SLASH_COMMAND_BOT_SERVER_ID', nil)) do |cmd|
   cmd.string('message', 'Message to spongecase')
   cmd.boolean('with_picture', 'Show the mocking sponge?')
 end

lib/discordrb.rb

@@ -10,7 +10,7 @@ module Discordrb
   Thread.current[:discordrb_name] = 'main'
 
   # The default debug logger used by discordrb.
-  LOGGER = Logger.new(ENV['DISCORDRB_FANCY_LOG'])
+  LOGGER = Logger.new(ENV.fetch('DISCORDRB_FANCY_LOG', false))
 
   # The Unix timestamp Discord IDs are based on
   DISCORD_EPOCH = 1_420_070_400_000

lib/discordrb/data/channel.rb

@@ -609,7 +609,7 @@ def users
       if text?
         server.online_members(include_idle: true).select { |u| u.can_read_messages? self }
       elsif voice?
-        server.voice_states.map { |id, voice_state| server.member(id) if !voice_state.voice_channel.nil? && voice_state.voice_channel.id == @id }.compact
+        server.voice_states.filter_map { |id, voice_state| server.member(id) if !voice_state.voice_channel.nil? && voice_state.voice_channel.id == @id }
       end
     end
 

lib/discordrb/permissions.rb

@@ -127,7 +127,7 @@ def initialize(bits = 0, writer = nil)
     #   permissions.defined_permissions #=> [:create_instant_invite, :administrator]
     # @return [Array<Symbol>] the permissions
     def defined_permissions
-      FLAGS.collect { |value, name| (@bits & (1 << value)).positive? ? name : nil }.compact
+      FLAGS.filter_map { |value, name| (@bits & (1 << value)).positive? ? name : nil }
     end
 
     # Comparison based on permission bits